Resin composition, molded body, optical member, and method for producing resin composition

Abstract

The present application provides a resin composition comprising filler-containing particles containing a cyclic olefin polymer (A) and a filler (B), and an additive (C), the additive (C) being present on at least a part of the surface of the filler-containing particles, the amount of the additive (C) present on at least a part of the surface of the filler-containing particles being 0.001 parts by mass or more and 10 parts by mass or less, based on 100 parts by mass of the total amount of the resin composition.

Description

Technical Field

[0001] This invention relates to resin compositions, molded articles, optical components, and methods for manufacturing resin compositions. Background Technology

[0002] Molding materials used for optical components are known to be mainly composed of cyclic olefin polymers.

[0003] Patent document 1 describes "a molded body for use in optical components selected from fθ lenses, imaging lenses or light guide plates, of a polymer having an alicyclic structure in part or all of a repeating structural unit, wherein, when the molded body is immersed in cyclohexane at a concentration of 1 g / mL at 23°C with stirring for 6 hours, the number of insoluble particles with a particle size of 1 μm or more and 2 μm or less contained in the cyclohexane, as measured by a liquid particle counter, is 200 particles / ml or less."

[0004] In addition, Patent Document 1 describes that "in this invention, the objective is to provide a molded body for optical components with excellent appearance quality".

[0005] Existing technical documents

[0006] Patent documents

[0007] Patent Document 1: Japanese Patent Application Publication No. 2013-216908 Summary of the Invention

[0008] The problem that the invention aims to solve

[0009] The present invention provides a resin composition that balances performance in terms of improving surface smoothness and adhesion to aluminum vapor deposition.

[0010] Methods for solving problems

[0011] According to the present invention, a resin composition, a molded article, an optical component, and a method for manufacturing the resin composition are provided.

[0012] 1. A resin composition comprising filler-containing particles containing a cyclic olefin polymer (A) and a filler (B), and an additive (C),

[0013] The additive (C) is present in at least a portion of the surface of the particles containing the filler material.

[0014] When the total amount of the resin composition is set to 100 parts by mass, the amount of the additive (C) present on at least a portion of the surface of the particles containing the filler material is 0.001 parts by mass or more and 10 parts by mass or less.

[0015] 2. The resin composition according to 1, wherein when the content of the cyclic olefin polymer (A) is set to 100 parts by mass, the content of the filler material (B) is 0.01 parts by mass or more and 5 parts by mass or less.

[0016] 3. The resin composition according to 1 or 2, wherein the filler material (B) comprises carbon black.

[0017] 4. The resin composition according to any one of 1. to 3., wherein the resin composition comprises a thermoplastic resin.

[0018] 5. The resin composition according to 4, wherein the thermoplastic resin comprises one or more selected from the group consisting of low-density polyethylene (LDPE), linear low-density polyethylene (LLDPE), high-density polyethylene (HDPE), polypropylene (PP), polystyrene (PS), acrylonitrile-butadiene-styrene resin (ABS), polymethyl methacrylate (PMMA), ethylene propylene diene monomer (EPDM), and elastomers.

[0019] 6. The resin composition according to any one of 1 to 5, wherein the cyclic olefin polymer (A) comprises a norbornene polymer.

[0020] 7. The resin composition according to any one of 1 to 6, wherein the cyclic olefin polymer (A) comprises a copolymer (A1) of ethylene or α-olefin with a cyclic olefin.

[0021] 8. The resin composition according to 7, wherein the copolymer (A1) of the ethylene or α-olefin with the cyclic olefin has:

[0022] At least one repeating unit (a) derived from an olefin, as shown in the general formula (I) below; and

[0023] At least one repeating unit (b) derived from a cyclic olefin is selected from the group consisting of repeating units represented by general formula (II), general formula (III), general formula (IV), general formula (V), and general formula (VI).

[0024] [Chemistry 1]

[0025]

[0026] (In the general formula (I), R) 300 A straight-chain or branched hydrocarbon group representing 1 to 29 hydrogen or carbon atoms.

[0027] [Chemistry 2]

[0028]

[0029] (In the general formula (II), u is 0 or 1, v is 0 or a positive integer, w is 0 or 1, R 61 ~R 78 and R a1 and R b1 They can be the same or different, and can be hydrogen atoms, halogen atoms, alkyl groups with 1 to 20 carbon atoms, haloalkyl groups with 1 to 20 carbon atoms, cycloalkyl groups with 3 to 15 carbon atoms, or aromatic hydrocarbon groups with 6 to 20 carbon atoms, R 75 ~R 78 They can bond with each other to form single or multiple rings.

[0030] [Chemistry 3]

[0031]

[0032] (In the general formula (III), x and d are integers greater than or equal to 0 or 1, y and z are 0, 1 or 2, and R 81 ~R 99 They can be the same or different, consisting of hydrogen atoms, halogen atoms, aliphatic hydrocarbon groups as alkyl groups with 1 to 20 carbon atoms or cycloalkyl groups with 3 to 15 carbon atoms, aromatic hydrocarbon groups or alkoxy groups with 6 to 20 carbon atoms, R 89 and R 90 The bonded carbon atom and R 93 The bonded carbon atoms or R 91 The bonded carbon atoms can be directly bonded or bonded via alkylene groups with 1 to 3 carbon atoms. Additionally, when y=z=0, R... 95 With R 92 or R 95 With R 99 They can bond with each other to form monocyclic or polycyclic aromatic rings.

[0033] [Chemistry 4]

[0034]

[0035] (In the general formula (IV), n and m are independently 0, 1, or 2, q is 1, 2, or 3, and R 18 ~R 31 Each of the following can be independently represented by a hydrogen atom, a halogen atom other than a fluorine atom, or a hydrocarbon group with 1 to 20 carbon atoms that can be substituted by a halogen atom other than a fluorine atom. Additionally, when q=1, R 28 With R 29 R 29 With R 30 R 30 With R 31They can bond with each other to form single or multiple rings. Additionally, when q=2 or 3, R... 28 With R 28 R 28 With R 29 R 29 With R 30 R 30 With R 31 R 31 With R 31 They can bond with each other to form single or multiple rings. Furthermore, the single or multiple rings can also be aromatic rings.

[0036] [Chemistry 5]

[0037]

[0038] (In the general formula (V), R) 100 R 101 These can be the same or different, representing hydrocarbon groups with 1 to 5 hydrogen or carbon atoms, where f is 1 ≤ f ≤ 18.

[0039] [Chemistry 6]

[0040]

[0041] (In the general formula (VI), q is 1, 2 or 3, R) 32 ~R 39 Each of the following can be independently composed of a hydrogen atom, a halogen atom other than a fluorine atom, or a hydrocarbon group with 1 to 20 carbon atoms that can be substituted by a halogen atom other than a fluorine atom. Additionally, when q=1, R 36 With R 37 R 37 With R 38 R 38 With R 39 They can bond together to form single or multiple rings. Additionally, when q=2 or 3, R... 36 With R 36 R 36 With R 37 R 37 With R 38 R 38 With R 39 R 39 With R 39 They can bond with each other to form single or multiple rings. The single or multiple rings may have double bonds. Additionally, the single or multiple rings may be aromatic rings.

[0042] 9. The resin composition according to 8, wherein the copolymer of ethylene or α-olefin with cyclic olefin (A1) comprises repeating units represented by general formula (II) and structural units (C) derived from cyclic olefins having aromatic rings.

[0043] The repeating unit shown in general formula (II) does not contain an aromatic ring.

[0044] The cyclic olefin having an aromatic ring comprises one or more compounds selected from the group consisting of compounds shown in formula (C-1), formula (C-2), and formula (C-3).

[0045] [Chemistry 7]

[0046]

[0047] (In the above equation (C-1), n ​​and q are independently 0, 1, or 2, R) 1 ~R 17 R is a hydrocarbon group consisting of 1 to 20 carbon atoms, which can be independently replaced by hydrogen atoms, halogen atoms other than fluorine atoms, or halogen atoms other than fluorine atoms. 10 ~R 17 One of them is a bond; in addition, when q=0, R 10 With R 11 R 11 With R 12 R 12 With R 13 R 13 With R 14 R 14 With R 15 R 15 With R 10 They can bond together to form single or multiple rings. Additionally, when q=1 or 2, R... 10 With R 11 R 11 With R 17 R 17 With R 17 R 17 With R 12 R 12 With R 13 R 13 With R 14 R 14 With R 15 R 15 With R 16 R 16 With R 16 R 16 With R 10They can bond with each other to form single or multiple rings. Furthermore, the single or multiple rings can have double bonds, and can also be aromatic rings.

[0048] [Chemistry 8]

[0049]

[0050] (In the above formula (C-2), n and m are independently 0, 1, or 2, q is 1, 2, or 3, and R 18 ~R 31 Each of the following can be independently represented by a hydrogen atom, a halogen atom other than a fluorine atom, or a hydrocarbon group with 1 to 20 carbon atoms that can be substituted by a halogen atom other than a fluorine atom. Additionally, when q=1, R 28 With R 29 R 29 With R 30 R 30 With R 31 They can bond together to form single or multiple rings. Additionally, when q=2 or 3, R... 28 With R 28 R 28 With R 29 R 29 With R 30 R 30 With R 31 R 31 With R 31 They can bond with each other to form single or multiple rings. The single or multiple rings may have double bonds. Additionally, the single or multiple rings may be aromatic rings.

[0051] [Chemistry 9]

[0052]

[0053] (In the formula (C-3), q is 1, 2 or 3, R 32 ~R 39 Each of the following can be independently composed of a hydrogen atom, a halogen atom other than a fluorine atom, or a hydrocarbon group with 1 to 20 carbon atoms that can be substituted by a halogen atom other than a fluorine atom. Additionally, when q=1, R 36 With R 37 R 37 With R 38 R 38 With R 39 They can bond together to form single or multiple rings. Additionally, when q=2 or 3, R... 36 With R 36 R 36 With R 37 R 37 With R 38 R38 With R 39 R 39 With R 39 They can bond with each other to form single or multiple rings. The single or multiple rings may have double bonds. Additionally, the single or multiple rings may be aromatic rings.

[0054] 10. The resin composition according to any one of 1. to 9, wherein the additive (C) comprises one or more of the group consisting of phenolic stabilizers, higher fatty acid metal salts, antioxidants, ultraviolet absorbers, hindered amine light stabilizers, hydrochloric acid absorbers, metal passivators, antistatic agents, antifogging agents, lubricants, slip agents, nucleating agents, plasticizers, and flame retardants.

[0055] 11. The resin composition according to any one of 1. to 10., wherein the additive (C) has a melting point of 50°C or higher and 180°C or lower.

[0056] 12. The resin composition according to any one of 1. to 11., wherein the particle size of the additive (C), as determined according to JIS Z 8815:1994, is 50 μm or more and 1000 μm or less.

[0057] 13. The resin composition according to any one of 1. to 12. wherein the glass transition temperature Tg of the resin composition is 120°C or higher and 170°C or lower.

[0058] 14. The resin composition according to any one of 1. to 13, wherein the resin composition is in the form of particles.

[0059] 15. The resin composition according to any one of 1. to 14, wherein the resin composition is used for an optical component.

[0060] 16. A molded article obtained by molding the resin composition described in any one of 1. to 15.

[0061] 17. An optical component comprising the molded body described in 16.

[0062] 18. The optical component according to 17 is a reflector.

[0063] 19. A method for manufacturing a resin composition, wherein the resin composition is as described in any one of 1. to 15, comprising step 1: attaching an additive (C) to the surface of filler-containing particles containing a cyclic olefin polymer (A) and a filler (B),

[0064] When the resin composition is set to 100 parts by weight, the amount of additive (C) adhering to the surface of the particles containing filler material in step 1 is 0.001 parts by weight or more and 10 parts by weight or less.

[0065] 20. A method for manufacturing the resin composition according to 19, comprising step 2: mixing a masterbatch containing a filler material (B) into a cyclic olefin polymer (A).

[0066] Invention Effects

[0067] According to the present invention, a resin composition capable of balancing improved surface smoothness and adhesion to aluminum vapor deposition can be provided. Detailed Implementation

[0068] In this embodiment, unless otherwise specified, "A~B" representing a numerical range means above A and below B.

[0069] In this embodiment, unless otherwise specified, "having substituents" for alkyl groups means that hydrogen atoms present in their structure are replaced by substituents. The position and number of substituents are not particularly limited. It should be noted that when a substituent has carbon atoms, the number of carbon atoms in the group having the substituent does not include the number of carbon atoms in the substituent. For example, in the case of an ethyl group having a phenyl substituent, it is considered an alkyl group with two carbon atoms.

[0070] Furthermore, the various monomers in this embodiment can be derived from fossil raw materials, biomass or other biological materials, or mixtures thereof.

[0071] 1. Resin composition

[0072] The resin composition of this embodiment will be described below.

[0073] The resin composition of this embodiment is a resin composition comprising a cyclic olefin polymer (A) and filler (B) containing filler particles, and an additive (C). In this embodiment, the additive (C) is present on at least a portion of the surface of the filler particles. When the total amount of the resin composition of this embodiment is set to 100 parts by mass, the amount of additive (C) present on at least a portion of the surface of the filler particles in this embodiment is 0.001 parts by mass or more and 10 parts by mass or less.

[0074] From the viewpoint of achieving a performance balance that further improves surface smoothness and adhesion to aluminum vapor deposition, regarding the amount of additive (C) present on at least a portion of the surface of the filler material particles in this embodiment, when the total amount of the resin composition of this embodiment is set to 100 parts by mass, it is preferably 0.002 parts by mass or more, more preferably 0.003 parts by mass or more, even more preferably 0.004 parts by mass or more, even more preferably 0.005 parts by mass or more, even more preferably 0.006 parts by mass or more, even more preferably 0.007 parts by mass or more, even more preferably 0.008 parts by mass or more, even more preferably 0.009 parts by mass or more, even more preferably 0.01 parts by mass or more, even more preferably 0.02 parts by mass or more, even more preferably 0.03 parts by mass or more, even more preferably 0.04 parts by mass or more, even more preferably 0.05 parts by mass or more, and preferably 9 parts by mass or less, more preferably 8 parts by mass or less, even more preferably 7 parts by mass or less, even more preferably 6 parts by mass or less, even more preferably 5 parts by mass or less, even more preferably... The amount is selected as 4 parts by weight or less, more preferably 3 parts by weight or less, more preferably 2 parts by weight or less, more preferably 1 part by weight or less, and preferably 0.002 parts by weight or more and 9 parts by weight or less, more preferably 0.003 parts by weight or more and 8 parts by weight or less, more preferably 0.004 parts by weight or more and 7 parts by weight or less, more preferably 0.005 parts by weight or more and 6 parts by weight or less, more preferably 0.006 parts by weight or more and 6 parts by weight or less, and more preferably 0.007 parts by weight or more and 6 parts by weight or less. More preferably, the amount is 0.008 parts by weight or more and 6 parts by weight or less, more preferably 0.009 parts by weight or more and 6 parts by weight or less, more preferably 0.01 parts by weight or more and 5 parts by weight or less, more preferably 0.02 parts by weight or more and 4 parts by weight or less, more preferably 0.02 parts by weight or more and 3 parts by weight or less, more preferably 0.03 parts by weight or more and 2 parts by weight or less, more preferably 0.04 parts by weight or more and 1 part by weight or less, more preferably 0.05 parts by weight or more and 1 part by weight or less.

[0075] From the viewpoint of achieving a performance balance that further improves surface smoothness and adhesion to aluminum vapor deposition, regarding the amount of additive (C) present on at least a portion of the surface of the filler material particles in this embodiment, when the filler material particles in this embodiment are set to 100 parts by weight, it is preferably 0.002 parts by weight or more, more preferably 0.003 parts by weight or more, even more preferably 0.004 parts by weight or more, even more preferably 0.005 parts by weight or more, even more preferably 0.006 parts by weight or more, even more preferably 0.007 parts by weight or more, even more preferably 0.008 parts by weight or more, even more preferably 0.009 parts by weight or more, even more preferably 0.01 parts by weight or more, even more preferably 0.02 parts by weight or more, even more preferably 0.03 parts by weight or more, even more preferably 0.04 parts by weight or more, even more preferably 0.05 parts by weight or more, and preferably 9 parts by weight or less, more preferably 8 parts by weight or less, even more preferably 7 parts by weight or less, even more preferably 6 parts by weight or less, even more preferably 5 parts by weight or less, and even more preferably... The amount is 4 parts by weight or less, more preferably 3 parts by weight or less, more preferably 2 parts by weight or less, more preferably 1 part by weight or less, and preferably 0.002 parts by weight or more and 9 parts by weight or less, more preferably 0.003 parts by weight or more and 8 parts by weight or less, more preferably 0.004 parts by weight or more and 7 parts by weight or less, more preferably 0.005 parts by weight or more and 6 parts by weight or less, more preferably 0.006 parts by weight or more and 6 parts by weight or less, and more preferably 0.007 parts by weight or more and 6 parts by weight or less. More preferably, the amount is 0.008 parts by weight or more and 6 parts by weight or less, more preferably 0.009 parts by weight or more and 6 parts by weight or less, more preferably 0.01 parts by weight or more and 5 parts by weight or less, more preferably 0.02 parts by weight or more and 4 parts by weight or less, more preferably 0.02 parts by weight or more and 3 parts by weight or less, more preferably 0.03 parts by weight or more and 2 parts by weight or less, more preferably 0.04 parts by weight or more and 1 part by weight or less, more preferably 0.05 parts by weight or more and 1 part by weight or less.

[0076] The shape of the filler material particles in this embodiment is not particularly limited; for example, they can be granules.

[0077] The filler material particles of this embodiment may contain additives (C) inside the filler material particles of this embodiment.

[0078] The mechanism by which the resin composition of this embodiment can improve the balance between surface smoothness and adhesion to aluminum vapor deposition is not yet clear, but it is speculated that: because at least a portion of the surface containing filler particles in this embodiment contains a certain amount of additive (C), the additive (C) functions as a lubricant, suppressing shear acting on the resin composition during molding, thereby inhibiting the deterioration of the resin composition and improving surface smoothness. Furthermore, it is speculated that by containing filler (B), a layer composed of filler (B) is formed on the surface of the molded body, improving properties such as conductivity, thereby improving adhesion to aluminum vapor deposition.

[0079] <Cyclic Olefin Polymers (A)>

[0080] The cyclic olefin polymer (A) of this embodiment will be described below.

[0081] From the viewpoint of achieving a balance between improving surface smoothness and adhesion to aluminum vapor deposition, the cyclic olefin polymer (A) of this embodiment preferably comprises a norbornene polymer.

[0082] The norbornene polymer of this embodiment is a polymer or its derivative obtained by polymerizing a norbornene monomer that is a monomer having a norbornene skeleton, for example, one or more of the group consisting of copolymers of ethylene or α-olefins and cyclic olefins (A1) and ring-opening polymers of cyclic olefins (A2).

[0083] (A1) Copolymers of ethylene or α-olefins with cyclic olefins

[0084] The cyclic olefin compound constituting the copolymer (A1) of ethylene or α-olefin and cyclic olefin (hereinafter, sometimes referred to as copolymer (A1)) in this embodiment is not particularly limited, and examples include the cyclic olefin monomers described in paragraphs 0037 to 0063 of International Publication No. 2006 / 118261.

[0085] From the viewpoint of achieving a balance between improving surface smoothness and adhesion to aluminum vapor deposition, the cyclic olefin polymer (A) of this embodiment preferably comprises a copolymer (A1) of ethylene or α-olefin with a cyclic olefin.

[0086] From the viewpoint of achieving a performance balance that can further improve surface smoothness and adhesion to aluminum vapor deposition, it is preferable that the copolymer (A1) of ethylene or α-olefin and cyclic olefin of this embodiment has at least one repeating unit (a) derived from an olefin as shown in the following general formula (I); and at least one repeating unit (b) derived from a cyclic olefin selected from the group consisting of repeating units shown in the following general formula (II), repeating units shown in the following general formula (III), repeating units shown in the following general formula (IV), repeating units shown in the following general formula (V), and repeating units shown in the following general formula (VI).

[0087] [Chemistry 10]

[0088]

[0089] In general formula (I), R 300 A straight-chain or branched hydrocarbon group representing 1 to 29 hydrogen or carbon atoms.

[0090] [Chemistry 11]

[0091]

[0092] In general formula (II), u is 0 or 1, v is 0 or a positive integer, preferably an integer greater than or equal to 0 and less than or equal to 2, more preferably 0 or 1, w is 0 or 1, and R 61 ~R 78 and R a1 and R b1 They can be the same or different, and can be hydrogen atoms, halogen atoms, alkyl groups with 1 to 20 carbon atoms, haloalkyl groups with 1 to 20 carbon atoms, cycloalkyl groups with 3 to 15 carbon atoms, or aromatic hydrocarbon groups with 6 to 20 carbon atoms, R 75 ~R 78 They can bond with each other to form single or multiple rings.

[0093] [Chemistry 12]

[0094]

[0095] In general formula (III), x and d are integers of 0 or 1 or higher, preferably integers of 0 or higher and less than 2, more preferably 0 or 1, y and z are 0, 1 or 2, and R 81 ~R 99 They can be the same or different, consisting of hydrogen atoms, halogen atoms, aliphatic hydrocarbon groups as alkyl groups with 1 to 20 carbon atoms or cycloalkyl groups with 3 to 15 carbon atoms, aromatic hydrocarbon groups or alkoxy groups with 6 to 20 carbon atoms, R 89 and R 90 The bonded carbon atom and R 93 The bonded carbon atoms or R 91The bonded carbon atoms can be directly bonded or bonded via alkylene groups with 1 to 3 carbon atoms. Additionally, when y=z=0, R... 95 With R 92 or R 95 With R 99 They can bond with each other to form monocyclic or polycyclic aromatic rings.

[0096] [Chemistry 13]

[0097]

[0098] In general formula (IV), n and m are independently 0, 1, or 2, and q is 1, 2, or 3. m is preferably 0 or 1, more preferably 1. n is preferably 0 or 1, more preferably 0. q is preferably 1 or 2, more preferably 1.

[0099] R 18 ~R 31 R is a hydrocarbon group consisting of 1 to 20 carbon atoms, which can be independently replaced by hydrogen atoms, halogen atoms other than fluorine atoms, or halogen atoms other than fluorine atoms. 18 ~R 31 Each is preferably a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and more preferably a hydrogen atom.

[0100] Additionally, when q=1, R 28 With R 29 R 29 With R 30 R 30 With R 31 They can bond together to form single or multiple rings. Additionally, when q=2 or 3, R... 28 With R 28 R 28 With R 29 R 29 With R 30 R 30 With R 31 R 31 With R 31 They can bond with each other to form monocyclic or polycyclic rings. In addition, the monocyclic or polycyclic rings mentioned above can also be aromatic rings.

[0101] [Chemistry 14]

[0102]

[0103] In general formula (V), R 100 R 101 They can be the same or different, representing hydrocarbon groups with 1 to 5 hydrogen or carbon atoms, where f is 1 ≤ f ≤ 18.

[0104] [Chemistry 15]

[0105]

[0106] In general formula (VI), q is 1, 2, or 3, and R 32 ~R 39 Each of the following can be independently composed of a hydrogen atom, a halogen atom other than a fluorine atom, or a hydrocarbon group with 1 to 20 carbon atoms that can be substituted by a halogen atom other than a fluorine atom. Additionally, when q=1, R 36 With R 37 R 37 With R 38 R 38 With R 39 They can bond together to form single or multiple rings. Additionally, when q=2 or 3, R... 36 With R 36 R 36 With R 37 R 37 With R 38 R 38 With R 39 R 39 With R 39 They can bond with each other to form single or multiple rings. The single or multiple rings can have double bonds. In addition, the single or multiple rings can also be aromatic rings.

[0107] The olefin monomer used as one of the copolymer raw materials for the copolymer (A1) in this embodiment is a monomer that undergoes addition copolymerization to form the structural unit shown in the above general formula (I). Specifically, the olefin monomer shown in the following general formula (Ia), which corresponds to the above general formula (I), can be used.

[0108] [Chemistry 16]

[0109]

[0110] In the above general formula (Ia), R 300This refers to a straight-chain or branched hydrocarbon group having 1 to 29 hydrogen atoms or carbon atoms. Examples of olefin monomers represented by the above general formula (Ia) include ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 3-methyl-1-butene, 3-methyl-1-pentene, 3-ethyl-1-pentene, 4-methyl-1-pentene, 4-methyl-1-hexene, 4,4-dimethyl-1-hexene, 4,4-dimethyl-1-pentene, 4-ethyl-1-hexene, 3-ethyl-1-hexene, 1-octene, 1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene, and 1-eicosene. From the viewpoint of obtaining molded articles with superior heat resistance, mechanical properties, and optical properties, at least one of these is preferably selected from the group consisting of ethylene and propylene, and more preferably ethylene. Two or more olefin monomers represented by the above general formula (Ia) may be used.

[0111] When the total structural unit of the copolymer (A1) constituting this embodiment is set to 100 mol%, the proportion of repeating unit (a) derived from olefin is preferably 5 mol% or more and 95 mol% or less, more preferably 20 mol% or more and 90 mol% or less, even more preferably 40 mol% or more and 85 mol% or less, and even more preferably 50 mol% or more and 80 mol% or less.

[0112] It should be noted that the proportion of repeating units (a) derived from olefins can be determined by... 13 C-NMR measurements.

[0113] The cyclic olefin monomer (b), one of the copolymer raw materials for the copolymer (A1) in this embodiment, is a monomer derived from a cyclic olefin and formed by addition copolymerization to form repeating units (b) of the above-described general formulas (II), (III), (IV), (V), or (VI). Specifically, cyclic olefin monomers (b) of general formulas (IIa), (IIIa), (IVa), (Va), and (VIa), which correspond to the above-described general formulas (II), (III), (IV), (V), and (VIa), respectively, can be used.

[0114] [Chemistry 17]

[0115]

[0116] In the above general formula (IIa), u is 0 or 1, v is 0 or a positive integer, preferably an integer greater than or equal to 0 and less than or equal to 2, more preferably 0 or 1, w is 0 or 1, and R 61 ~R 78 and R a1 and R b1They can be the same or different, and can be hydrogen atoms, halogen atoms, alkyl groups with 1 to 20 carbon atoms, haloalkyl groups with 1 to 20 carbon atoms, cycloalkyl groups with 3 to 15 carbon atoms, or aromatic hydrocarbon groups with 6 to 20 carbon atoms, R 75 ~R 78 They can bond with each other to form single or multiple rings.

[0117] [Chemistry 18]

[0118]

[0119] In the above general formula (IIIa), x and d are integers of 0 or 1 or higher, preferably integers of 0 or higher and less than 2, more preferably 0 or 1, y and z are 0, 1 or 2, and R 81 ~R 99 They can be the same or different, consisting of hydrogen atoms, halogen atoms, aliphatic hydrocarbon groups as alkyl groups with 1 to 20 carbon atoms or cycloalkyl groups with 3 to 15 carbon atoms, aromatic hydrocarbon groups or alkoxy groups with 6 to 20 carbon atoms, R 89 and R 90 The bonded carbon atom and R 93 The bonded carbon atoms or R 91 The bonded carbon atoms can be directly bonded or bonded via alkylene groups with 1 to 3 carbon atoms. Additionally, when y=z=0, R... 95 With R 92 or R 93 With R 99 They can bond with each other to form monocyclic or polycyclic aromatic rings.

[0120] [Chemistry 19]

[0121]

[0122] In the above general formula (IVa), n and m are independently 0, 1, or 2, and q is 1, 2, or 3. m is preferably 0 or 1, more preferably 1. n is preferably 0 or 1, more preferably 0. q is preferably 1 or 2, more preferably 1.

[0123] R 18 ~R 31 R is a hydrocarbon group consisting of 1 to 20 carbon atoms, which can be independently replaced by hydrogen atoms, halogen atoms other than fluorine atoms, or halogen atoms other than fluorine atoms. 18 ~R 31 Each is preferably a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and more preferably a hydrogen atom.

[0124] Additionally, when q=1, R 28 With R 29 R 29 With R 30R 30 With R 31 They can bond together to form single or multiple rings. Furthermore, when q=2 or 3, R... 28 With R 28 R 28 With R 29 R 29 With R 30 R 30 With R 31 R 31 With R 31 They can bond with each other to form monocyclic or polycyclic rings. In addition, the monocyclic or polycyclic rings mentioned above can also be aromatic rings.

[0125] [Chemistry 20]

[0126]

[0127] In the above general formula (Va), R 100 R 101 They can be the same or different, representing hydrocarbon groups with 1 to 5 hydrogen or carbon atoms, where f is 1 ≤ f ≤ 18.

[0128] [Chemistry 21]

[0129]

[0130] In the above general formula (VIa), q is 1, 2 or 3, preferably 1 or 2, and more preferably 1.

[0131] R 32 ~R 39 Each of the following groups is independently a hydrogen atom, a halogen atom other than a fluorine atom, or a hydrocarbon group with 1 to 20 carbon atoms that can be replaced by a halogen atom other than a fluorine atom.

[0132] R 32 ~R 39 Each is preferably a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and more preferably a hydrogen atom.

[0133] Additionally, when q=1, R 36 With R 37 R 37 With R 38 R 38 With R 39 They can bond together to form single or multiple rings. Additionally, when q=2 or 3, R... 36 With R 36 R 36 With R 37 R 37 With R 38 R 38 With R 39R 39 With R 39 They can bond with each other to form single or multiple rings. The single or multiple rings can have double bonds. In addition, the single or multiple rings can also be aromatic rings.

[0134] Furthermore, examples of hydrocarbon groups with 1 to 20 carbon atoms include alkyl groups with 1 to 20 carbon atoms, cycloalkyl groups with 3 to 15 carbon atoms, and aromatic hydrocarbon groups. More specifically, examples of alkyl groups include methyl, ethyl, propyl, isopropyl, pentyl, hexyl, octyl, decyl, dodecyl, and octadecyl; examples of cycloalkyl groups include cyclohexyl; and examples of aromatic hydrocarbon groups include aryl or aralkyl groups such as phenyl, tolyl, naphthyl, benzyl, and phenylethyl. These hydrocarbon groups can be substituted with halogen atoms other than fluorine atoms.

[0135] By using olefin monomers represented by the above general formula (Ia), cyclic olefin monomers (b) represented by general formulas (IIa), (IIIa), (IVa), (Va) or (VIa) as copolymerizing components, the solubility of cyclic olefin polymers (A) in solvents is further improved, thus improving moldability and increasing the yield of finished products.

[0136] For specific examples of cyclic olefin monomers (b) represented by general formulas (IIa), (IIIa) or (Va), compounds described in paragraphs 0037 to 0063 of International Publication No. 2006 / 118261 may be used.

[0137] Specifically, examples include bicyclic-2-heptene derivatives (bicyclic hept-2-ene derivatives), tricyclic-3-decene derivatives, tricyclic-3-undecene derivatives, tetracyclic-3-dodecene derivatives, pentacyclic-4-pentadecaene derivatives, pentacyclic pentadecadiene derivatives, pentacyclic-3-pentadecaene derivatives, pentacyclic-4-hexadecene derivatives, pentacyclic-3-hexadecene derivatives, hexacyclic-4-heptadecene derivatives, and heptacyclic-5-eicosene derivatives. Compounds, heptacyclic-4-eicosene derivatives, heptacyclic-5-docosene derivatives, octacyclic-5-docosene derivatives, nonacyclic-5-pentacyclic derivatives, nonacyclic-6-hexacyclic derivatives, cyclopentadiene-acenaphthene adducts, 1,4-methylene-1,4,4a,9a-tetrahydrofluorene derivatives, 1,4-methylene-1,4,4a,5,10,10a-hexahydroanthracene derivatives, and cycloalkylene derivatives with 3 to 20 carbon atoms, etc.

[0138] Among the cyclic olefin monomers (b) represented by general formula (IIa), (IIIa), (IVa), (Va) or (VIa), the cyclic olefin represented by general formula (IIa) is preferred.

[0139] In addition, it is preferred to use any one of the cyclic olefins represented by general formula (IIa) and general formulas (IIIa), (IVa), (Va) or (VIa).

[0140] As the cyclic olefin monomer (b) represented by the above general formula (IIa), it is preferable to use a monomer selected from bicyclo[2.2.1]-2-heptene (also known as norbornene) and tetracyclo[4.4.0.1]. 2,5 .1 7,10 At least one of the group consisting of ]-3-dodecene (also known as tetracyclic dodecene), more preferably tetracyclic [4.4.0.1] 2,5 .1 7,10 3-Dodecene. Due to the rigid ring structure of these cyclic olefins, they have the advantage of easily maintaining the elastic modulus of the copolymer and the molded body.

[0141] As the cyclic olefin monomer (b) shown in the above general formula (VIa), it is preferable to use a monomer with q=1 in formula (VIa). These cyclic olefins have one benzene ring, and therefore have the advantage of easily obtaining a resin composition that is not easily colored compared to the case with two or more benzene rings. Benzonorbornene is particularly preferred. The advantage of using benzonorbornene is that, due to the presence of an aromatic ring, the refractive index of the resin composition can be increased.

[0142] When the total structural unit of the copolymer (A1) constituting this embodiment is set to 100 mol%, the proportion of repeating unit (b) derived from the cyclic olefin monomer (b) is preferably 5 mol% or more and 95 mol% or less, more preferably 10 mol% or more and 80 mol% or less, even more preferably 15 mol% or more and 60 mol% or less, and even more preferably 20 mol% or more and 50 mol% or less.

[0143] The copolymer type of the copolymer (A1) in this embodiment is not particularly limited, and examples include random copolymers and block copolymers. In this embodiment, from the viewpoint of obtaining high-precision optical components with excellent optical properties such as transparency, refractive index, and birefringence, a random copolymer is preferably used as the copolymer (A1) in this embodiment.

[0144] The copolymer (A1) in this embodiment preferably comprises a mixture selected from ethylene and tetracyclo[4.4.0.1]. 2,5 .1 7,10 Random copolymers of 3-dodecene, random copolymers of ethylene with bicyclo[2.2.1]-2-heptene, and random copolymers of ethylene with tetracyclo[4.4.0.1]-3-dodecene. 2 ,5 .1 7,10At least one of the group consisting of random copolymers of 3-dodecene and benzonorbornene, more preferably comprising ethylene and tetracyclo[4.4.0.1] 2,5 .1 7,10 Random copolymers of 3-dodecene and ethylene with tetracyclo[4.4.0.1] 2,5 .1 7,10 At least one of the group consisting of random copolymers of 3-dodecene and benzonorbornene.

[0145] From the viewpoint of achieving a balance between improving surface smoothness and adhesion to aluminum vapor deposition, the copolymer (A1) of ethylene or α-olefin and cyclic olefin of this embodiment preferably contains a repeating unit as shown in general formula (II) of this embodiment and a structural unit (C) derived from a cyclic olefin having an aromatic ring. The repeating unit as shown in general formula (II) of this embodiment does not contain an aromatic ring, and the cyclic olefin having an aromatic ring of this embodiment contains one or more of the compounds selected from the group consisting of the compounds shown in formula (C-1), the compounds shown in formula (C-2), and the compounds shown in formula (C-3).

[0146] [Chemistry 22]

[0147]

[0148] In formula (C-1), n ​​and q are independently 0, 1, or 2. n is preferably 0 or 1, more preferably 0. q is preferably 0 or 1, more preferably 0.

[0149] R 1 ~R 17 R is a hydrocarbon group consisting of 1 to 20 carbon atoms, which can be independently replaced by hydrogen atoms, halogen atoms other than fluorine atoms, or halogen atoms other than fluorine atoms. 10 ~R 17 One of them is a bonding bond, preferably R. 15 For bonding.

[0150] R 1 ~R 17 Each is preferably a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and more preferably a hydrogen atom.

[0151] Additionally, when q=0, R 10 With R 11 R 11 With R 12 R 12 With R 13 R 13 With R 14 R 14 With R 15 R15 With R 10 They can bond together to form single or multiple rings. Additionally, when q=1 or 2, R... 10 With R 11 R 11 With R 17 R 17 With R 17 R 17 With R 12 R 12 With R 13 R 13 With R 14 R 14 With R 15 R 15 With R 16 R 16 With R 16 R 16 With R 10 They can bond with each other to form single or multiple rings. In addition, the single or multiple rings can have double bonds, and they can also be aromatic rings.

[0152] In the above formula (C-1), the compound shown in formula (C-1A) is preferred.

[0153] [Chemistry 23]

[0154]

[0155] [Chemistry 24]

[0156]

[0157] In formula (C-2), n and m are independently 0, 1, or 2, and q is 1, 2, or 3. m is preferably 0 or 1, more preferably 1. n is preferably 0 or 1, more preferably 0. q is preferably 1 or 2, more preferably 1.

[0158] R 18 ~R 31 Each of the following groups is independently a hydrogen atom, a halogen atom other than a fluorine atom, or a hydrocarbon group with 1 to 20 carbon atoms that can be replaced by a halogen atom other than a fluorine atom.

[0159] R 18 ~R 31 Each is preferably a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and more preferably a hydrogen atom.

[0160] Additionally, when q=1, R 28 With R 29 R 29 With R 30 R 30With R 31 They can bond together to form single or multiple rings. Additionally, when q=2 or 3, R... 28 With R 28 R 28 With R 29 R 29 With R 30 R 30 With R 31 R 31 With R 31 They can bond with each other to form single or multiple rings. The single or multiple rings can have double bonds. In addition, the single or multiple rings can also be aromatic rings.

[0161] [Chemistry 25]

[0162]

[0163] In formula (C-3), q is 1, 2 or 3, preferably 1 or 2, and more preferably 1.

[0164] R 32 ~R 39 Each of the following groups is independently a hydrogen atom, a halogen atom other than a fluorine atom, or a hydrocarbon group with 1 to 20 carbon atoms that can be replaced by a halogen atom other than a fluorine atom.

[0165] R 32 ~R 39 Each is preferably a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and more preferably a hydrogen atom.

[0166] Additionally, when q=1, R 36 With R 37 R 37 With R 38 R 38 With R 39 They can bond together to form single or multiple rings. Additionally, when q=2 or 3, R... 36 With R 36 R 36 With R 37 R 37 With R 38 R 38 With R 39 R 39 With R 39 They can bond with each other to form single or multiple rings. The single or multiple rings can have double bonds. In addition, the single or multiple rings can also be aromatic rings.

[0167] Furthermore, examples of hydrocarbon groups with 1 to 20 carbon atoms include alkyl groups with 1 to 20 carbon atoms, cycloalkyl groups with 3 to 15 carbon atoms, and aromatic hydrocarbon groups. More specifically, examples of alkyl groups include methyl, ethyl, propyl, isopropyl, pentyl, hexyl, octyl, decyl, dodecyl, and octadecyl; examples of cycloalkyl groups include cyclohexyl; and examples of aromatic hydrocarbon groups include aryl or aralkyl groups such as phenyl, tolyl, naphthyl, benzyl, and phenylethyl. These hydrocarbon groups can be substituted with halogen atoms other than fluorine atoms.

[0168] Among them, the cyclic olefin having an aromatic ring in this embodiment is preferably selected from at least one of benzonorbornadiene, indnorbornene and methylphenylnorbornene.

[0169] (Ring-opening polymers of cyclic olefins (A2))

[0170] Alternatively, as a cyclic olefin polymer (A), an open-ring polymer of a cyclic olefin (A2) can be used.

[0171] Ring-opening polymers (A2) of cyclic olefins include, for example, ring-opening polymers of norbornene monomers, as well as ring-opening polymers of norbornene monomers and other monomers that can be copolymerized with them, and their hydrides.

[0172] Examples of norbornene monomers include, for instance, bicyclic [2.2.1]hept-2-ene (common name: norbornene) and its derivatives (substances with substituents on the ring), tricyclic [4.3.0]... 1,6 .1 2,5 [Dec-3,7-diene (common name: dicyclopentadiene) and its derivatives, 7,8-benzotricyclo[4.3.0.1] 2,5 ] Dec-3-ene (common name: methylene tetrahydrofluorene; also known as 1,4-methylene-1,4,4a,9a-tetrahydrofluorene) and its derivatives, tetracyclic [4.4.0.1] 2,5 .1 7,10 ]-3-Dodecene (common name: tetracyclododecene) and its derivatives, etc.

[0173] Examples of substituents that replace the ring in these derivatives include alkyl, alkylene, vinyl, alkoxycarbonyl, and alkylidene groups. It should be noted that there can be one or more substituents. An example of such derivatives with substituents on the ring is 8-methoxycarbonyl-tetracyclo[4.4.0.1]. 2,5 .1 7,10 [Dodecyl-3-ene, 8-methyl-8-methoxycarbonyl-tetracyclo[4.4.0.1]] 2,5 .1 7,10[Dodecyl-3-ene, 8-ethylidene-tetracyclo[4.4.0.1]] 2,5 .1 7,10 Dodecyl-3-ene, etc.

[0174] These norbornene monomers can be used individually or in combination of two or more.

[0175] Ring-opening polymers of norbornene monomers, or ring-opening polymers of norbornene monomers and other monomers that can be ring-opened copolymerized with them, can be obtained by polymerizing the monomer components in the presence of a known ring-opening polymerization catalyst.

[0176] As ring-opening polymerization catalysts, for example, catalysts composed of halides of metals such as ruthenium and osmium, nitrates or acetylacetone compounds and reducing agents can be used; catalysts composed of halides of metals such as titanium, zirconium, tungsten, and molybdenum or acetylacetone compounds and organoaluminum compounds can also be used.

[0177] Other monomers that can undergo ring-opening copolymerization with norbornene monomers include, for example, monocyclic cyclic olefin monomers such as cyclohexene, cycloheptene, and cyclooctene.

[0178] Hydrogenates of ring-opening polymers of norbornene monomers, and hydrides of ring-opening polymers of norbornene monomers and other monomers that can be ring-opened copolymerized with them, can usually be obtained by adding a known hydrogenation catalyst containing transition metals such as nickel and palladium to the polymerization solution of the above-mentioned ring-opening polymers to hydrogenate the carbon-carbon unsaturated bonds.

[0179] In this embodiment, the cyclic olefin polymer (A) can be used alone or in combination of two or more.

[0180] The copolymer (A1) of this embodiment can be manufactured, for example, by selecting appropriate conditions according to the methods disclosed in Japanese Patent Application Publication Nos. 60-168708, 61-120816, 61-115912, 61-115916, 61-271308, 61-272216, 62-252406, and 62-252407.

[0181] The ring-opening polymer (A2) of the cyclic olefin of this embodiment can be manufactured, for example, by selecting appropriate conditions according to the methods of Japanese Patent Application Publication No. 60-26024, Japanese Patent Application Publication No. 9-268250, Japanese Patent Application Publication No. 63-145324, Japanese Patent Application Publication No. 2001-72839, etc.

[0182] The glass transition temperature (Tg) of the cyclic olefin polymer (A) in this embodiment is preferably 130°C or higher and 170°C or lower, more preferably 135°C or higher and 165°C or lower, even more preferably 140°C or higher and 160°C or lower, and even more preferably 145°C or higher and 155°C or lower.

[0183] <Filling Material (B)>

[0184] The filling material (B) of this embodiment will be described below.

[0185] When the content of the cyclic olefin polymer (A) in this embodiment is set to 100 parts by mass, from the viewpoint of further improving the adhesion with aluminum vapor deposition, the content of the filler material (B) in this embodiment is preferably 0.01 parts by mass or more, more preferably 0.05 parts by mass or more, even more preferably 0.1 parts by mass or more, even more preferably 0.2 parts by mass or more, even more preferably 0.3 parts by mass or more, even more preferably 0.35 parts by mass or more. From the viewpoint of further improving the balance between surface smoothness and adhesion with aluminum vapor deposition, it is preferably 5 parts by mass or less. More preferably, it is 3 parts by mass or less, even more preferably 2 parts by mass or less, and even more preferably 1 part by mass or less. From the viewpoint of being able to further improve the performance balance between surface smoothness and adhesion to aluminum vapor deposition, it is preferably 0.01 parts by mass or more and 5 parts by mass or less, more preferably 0.05 parts by mass or more and 3 parts by mass or less, even more preferably 0.1 parts by mass or more and 2 parts by mass or less, even more preferably 0.2 parts by mass or more and 1 part by mass or less, even more preferably 0.3 parts by mass or more and 1 part by mass or less, and even more preferably 0.35 parts by mass or more and 1 part by mass or less.

[0186] The content of filler material (B) in this embodiment can also be specified as the amount of particles (hereinafter sometimes referred to as fatty acid ester-containing particles) containing the cyclic olefin polymer (A) and fatty acid esters of this embodiment.

[0187] When the fatty acid ester particles of this embodiment are set to 100 parts by weight, from the viewpoint of further improving the adhesion with aluminum vapor deposition, the content of filler material (B) in this embodiment is preferably 0.01 parts by weight or more, more preferably 0.05 parts by weight or more, even more preferably 0.1 parts by weight or more, even more preferably 0.2 parts by weight or more, even more preferably 0.3 parts by weight or more, even more preferably 0.35 parts by weight or more. From the viewpoint of further improving the balance between surface smoothness and adhesion with aluminum vapor deposition, it is preferably 5 parts by weight or less, more preferably... The content is 3 parts by mass or less, more preferably 2 parts by mass or less, more preferably 1 part by mass or less. From the viewpoint of further improving the balance between surface smoothness and adhesion to aluminum vapor deposition, it is preferably 0.01 parts by mass or more and 5 parts by mass or less, more preferably 0.05 parts by mass or more and 3 parts by mass or less, more preferably 0.1 parts by mass or more and 2 parts by mass or less, more preferably 0.2 parts by mass or more and 1 part by mass or less, more preferably 0.3 parts by mass or more and 1 part by mass or less, and more preferably 0.35 parts by mass or more and 1 part by mass or less.

[0188] The filler material (B) in this embodiment is not particularly limited, and may include one or more of the following: carbon black, titanium dioxide, talc, barium sulfate, mica, and silicon dioxide.

[0189] From the viewpoint of further improving the adhesion with aluminum vapor deposition, it is preferable that the filler material (B) of this embodiment contains carbon black.

[0190] <Additive (C)>

[0191] The following is an explanation of additive (C).

[0192] From the viewpoint of further improving the balance between surface smoothness and adhesion to aluminum vapor deposition, the additive (C) preferably comprises one or more of the following: phenolic stabilizers, higher fatty acid metal salts, antioxidants, ultraviolet absorbers, hindered amine light stabilizers, hydrochloric acid absorbers, metal passivators, antistatic agents, antifogging agents, lubricants, slip agents, nucleating agents, plasticizers, and flame retardants. More preferably, it comprises one or more of the following: phenolic stabilizers and lubricants. Even more preferably, it comprises phenolic stabilizers.

[0193] From the viewpoint of achieving a balance between improving surface smoothness and adhesion to aluminum vapor deposition, the melting point of the additive (C) is preferably 50°C or higher, more preferably 55°C or higher, even more preferably 60°C or higher, even more preferably 65°C or higher, even more preferably 70°C or higher, even more preferably 75°C or higher, even more preferably 85°C or higher, and preferably below 180°C, more preferably below 175°C, even more preferably below 170°C, even more preferably below 165°C, even more preferably below 160°C. The temperature is preferably below 155°C, more preferably below 150°C, even more preferably below 145°C, and preferably above 50°C and below 180°C, more preferably above 55°C and below 175°C, even more preferably above 60°C and below 170°C, even more preferably above 65°C and below 165°C, even more preferably above 70°C and below 160°C, even more preferably above 75°C and below 155°C, even more preferably above 80°C and below 150°C, and even more preferably above 85°C and below 145°C.

[0194] From the viewpoint of achieving a balance between improving surface smoothness and adhesion to aluminum vapor deposition, the particle size of the additive (C), as determined according to JIS Z 8815:1994, is preferably 50 μm or more and 1000 μm or less, more preferably 60 μm or more and 800 μm or less, even more preferably 70 μm or more and 600 μm or less, even more preferably 80 μm or more and 500 μm or less, and even more preferably 85 μm or more and 400 μm or less.

[0195] From the viewpoint of preventing foaming during molding or volatilization from the surface of the molded part at high temperatures, the vapor pressure of additive (C) at 20°C is preferably 10. -6 Below Pa.

[0196] The following is a description of the components of additive (C).

[0197] (Phenolic stabilizer)

[0198] The phenolic stabilizer of this embodiment includes, for example, one or more compounds selected from the group consisting of 3,5-dimethyl-4-hydroxyphenyl, 2,4-dimethyl-3-hydroxyphenyl, 3-methyl-2-hydroxyphenyl, 3,5-di-tert-butyl-4-hydroxyphenyl (the upper left formula in the following four chemical formulas), 3-methyl-5-tert-butyl-4-hydroxyphenyl (the upper right formula in the following four chemical formulas), 2,6-dimethyl-4-tert-butyl-3-hydroxyphenyl (the lower left formula in the following four chemical formulas), and 3,5-di-tert-pentyl-6-hydroxyphenyl (the lower right formula in the following four chemical formulas), preferably containing 3,5-di-tert-butyl-4-hydroxyphenyl.

[0199] [Chemistry 26]

[0200]

[0201] The phenolic stabilizer of this embodiment includes, for example, one or more of the following groups: 1,6-hexanediol-bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate], pentaerythritol-tetra[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate], octadecyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene, and tetra[methylene-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]methane.

[0202] From the viewpoint of achieving a balance between improving surface smoothness and adhesion to aluminum vapor deposition, the phenolic stabilizer in this embodiment preferably includes pentaerythritol tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate].

[0203] The phenolic stabilizer in this embodiment includes, for example, one or more of the group consisting of hindered phenolic antioxidants selected from Adekastab AO-20, Adekastab AO-60, Adekastab AO-80, Adekastab AO-330 (the above four are manufactured by Asahi Electric Chemical Co., Ltd.), Irganox 1010 (manufactured by BASF, compound name: pentaerythritol tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]).

[0204] From the viewpoint of achieving a balance between improving surface smoothness and adhesion to aluminum vapor deposition, the phenolic stabilizer in this embodiment preferably includes Irganox 1010.

[0205] The phenolic stabilizers in this embodiment also include antioxidants that have a phosphate ester structure and a phenolic structure within one molecule, as are usually classified as phosphorus stabilizers, such as 6-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propoxy]-2,4,8,10-tetratert-butyldibenzo[d,f][1.3.2]dioxaphosphacycloheptane, etc.

[0206] The melting point range (Tm1 (lower limit, unit: °C) ~ Tm2 (upper limit, unit: °C)) of the phenolic stabilizer of this embodiment can be determined by known methods. For example, a sample is collected in a capillary at a thickness of about 2 to 3 mm, and the temperature at which melting begins when heated in a bath is defined as Tm1 (lower limit, unit: °C), and the temperature at which melting ends is defined as Tm2 (upper limit, unit: °C). The melting point range is not limited, but the lower limit (Tm1) is preferably 50 °C or higher, more preferably 100 °C or higher, and the upper limit (Tm2) is preferably 150 °C or lower, more preferably 140 °C or lower. Furthermore, the melting point range (Tm2 - Tm1) is preferably 20 °C or lower, more preferably 10 °C or lower.

[0207] If the melting point and melting point range are within this range, the phenolic stabilizer that adheres to the surface of the particles in this embodiment due to drying operations before molding can be prevented from melting and falling off. Furthermore, the material melts before the resin melts when it is fed into the molding machine, thus dispersing it evenly in the molding machine and obtaining a uniform molded body.

[0208] (Higher fatty acid metal salts)

[0209] The higher fatty acid metal salts of this embodiment include, for example, one or more selected from the group consisting of calcium stearate, zinc stearate, magnesium stearate, barium stearate, aluminum stearate, and complexes thereof, preferably one or more selected from the group consisting of calcium stearate, zinc stearate, and magnesium stearate.

[0210] (Antioxidants)

[0211] The antioxidants in this embodiment include, for example, one or more selected from the group consisting of phenolic antioxidants, phosphorus antioxidants, sulfur antioxidants, and thioether antioxidants.

[0212] The phenolic antioxidant of this embodiment includes, for example, one or more compounds selected from the group consisting of: 2-tert-butyl-6-(3-tert-butyl-2-hydroxy-5-methylbenzyl)-4-methylphenyl acrylate, 2,4-di-tert-pentyl-6-(1-(3,5-di-tert-pentyl-2-hydroxyphenyl)ethyl)phenyl acrylate, etc., acrylate-based phenolic compounds described in Japanese Patent Application Publication No. 63-179953 and Japanese Patent Application Publication No. 1-168643; 2,6-di-tert-butyl-4-methylphenol, 2,6-di-tert-butyl-4-ethylphenol, deca-... Octyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, 2,2'-methylene-bis(4-methyl-6-tert-butylphenol), 4,4'-butylene-bis(6-tert-butyl-m-cresol), 4,4'-thiobis(3-methyl-6-tert-butylphenol), bis(3-cyclohexyl-2-hydroxy-5-methylphenyl)methane, 3,9-bis(2-(3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionyloxy)-1,1-dimethylethyl)-2,4,8,10-tetraoxaspiro[5,5]undecane, 1,1,3-tris(2- alkyl-substituted phenolic compounds such as methyl-4-hydroxy-5-tert-butylphenyl)butane, 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene, tetra(methylene-3-(3',5'-di-tert-butyl-4'-hydroxyphenylpropionate)methane [i.e., pentaerythritol methyl-tetra(3-(3,5-di-tert-butyl-4-hydroxyphenylpropionate)], triethylene glycol bis(3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate), and tocopherol; 6-(4-hydroxy-3,5-di-tert-butylaniline)-2,4-bisoctyl Thio-1,3,5-triazine, 6-(4-hydroxy-3,5-dimethylaniline)-2,4-bisoctylthio-1,3,5-triazine, 6-(4-hydroxy-3-methyl-5-tert-butylaniline)-2,4-bisoctylthio-1,3,5-triazine, 2-octylthio-4,6-bis-(3,5-di-tert-butyl-4-oxyaniline)-1,3,5-triazine and other triazine-containing phenolic compounds, preferably including one or more of the group consisting of acrylate phenolic compounds and alkyl-substituted phenolic compounds, more preferably including alkyl-substituted phenolic compounds.

[0213] The phosphorus-based antioxidant of this embodiment includes, for example, one or more compounds selected from the group consisting of: triphenyl phosphite, diphenyl isodecyl phosphite, phenyl diisodecyl phosphite, tris(nonylphenyl) phosphite, tris(dinonylphenyl) phosphite, tris(2,4-di-tert-butylphenyl) phosphite, tris(2-tert-butyl-4-methylphenyl) phosphite, tris(cyclohexylphenyl) phosphite, and 2,2-methylenebis(4,6-di-tert-butyl) phosphite. Monophosphite compounds such as butylphenyl octyl ester, 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, 10-(3,5-di-tert-butyl-4-hydroxybenzyl)-9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, and 10-decyloxy-9,10-dihydro-9-oxa-10-phosphaphenanthrene; 4,4'-butylenebis(3-methyl-6-tert-butylphenyl bis(tetrazyl)phosphite), 4,4'-isobutylenebis(3-methyl-6-tert-butylphenyl bis(tetrazyl)phosphite, and 4,4'-isobutylenebis(3-methyl-6-tert-butylphenyl bis(tetrazyl)phosphite) Propylbis(phenyl dialkyl (C12-C15) phosphite), 4,4'-isopropylidenebis(diphenyl monoalkyl (C12-C15) phosphite), 1,1,3-tris(2-methyl-4-bis(tert-tert-butylphenyl)butane), tetra(2,4-di-tert-butylphenyl)-4,4'-biphenyl diphosphite, cyclic neopentanetetramethylbis(isodecyl phosphite), cyclic neopentanetetramethylbis(nonylphenyl phosphite), cyclic neo The compounds include diphosphite compounds such as pentanetetramethylbis(2,4-di-tert-butylphenyl phosphite), cyclic neopentanetetramethylbis(2,4-dimethylphenyl phosphite), and cyclic neopentanetetramethylbis(2,6-di-tert-butylphenyl phosphite); preferably, they include monophosphite compounds, more preferably, they include one or more compounds selected from the group consisting of tris(nonylphenyl) phosphite, tris(dinonylphenyl) phosphite, and tris(2,4-di-tert-butylphenyl) phosphite.

[0214] The sulfur-based antioxidants of this embodiment include, for example, one or more selected from the group consisting of dilauryl 3,3-thiodipropionate, dimyristyl 3,3'-thiodipropionate, distearate 3,3-thiodipropionate, lauryl stearate 3,3-thiodipropionate, pentaerythritol tetra(β-lauryl thiopropionate), and 3,9-bis(2-dodecylthioethyl)-2,4,8,10-tetraoxaspiro[5,5]undecane.

[0215] The thioether-based antioxidants of this embodiment include, for example, one or more selected from the group consisting of tetramethylene-3-(lauryl thio)propionate}methane, bis[methyl-4-{3-n-alkyl (C12 or C14) thiopropionate}-5-tert-butylphenyl] thioether and 3,3'-thiodipropionate ditridecyl ester.

[0216] (UV absorber)

[0217] The ultraviolet absorber in this embodiment includes, for example, one or more of the group consisting of benzophenone-based ultraviolet absorbers, salicylic acid-based ultraviolet absorbers, benzotriazole-based ultraviolet absorbers, acrylate-based ultraviolet absorbers, and metal complex salt-based ultraviolet absorbers.

[0218] The benzophenone-based ultraviolet absorber of this embodiment includes, for example, one or more selected from the group consisting of 2,4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid trihydrate, 2-hydroxy-4-octoxybenzophenone, 4-dodecyloxy-2-hydroxybenzophenone, 4-benzyloxy-2-hydroxybenzophenone, 2,2',4,4'-tetrahydroxybenzophenone, and 2,2'-dihydroxy-4,4'-dimethoxybenzophenone.

[0219] The salicylic acid-based ultraviolet absorber of this embodiment includes, for example, one or more of the group consisting of phenyl salicylate, 2-hydroxybenzoic acid-4-tert-butylphenyl ester, 2-hydroxybenzoic acid phenyl ester, 3,5-di-tert-butyl-4-hydroxybenzoic acid-2,4-di-tert-butylphenyl ester and 3,5-di-tert-butyl-4-hydroxybenzoic acid hexadecyl ester.

[0220] The benzotriazole-based ultraviolet absorber of this embodiment includes, for example, selected from 2-(2-hydroxy-5-methylphenyl)2H-benzotriazole, 2-(3-tert-butyl-2-hydroxy-5-methylphenyl)-5-chloro-2H-benzotriazole, 2-(3,5-di-tert-butyl-2-hydroxyphenyl)-5-chloro-2H-benzotriazole, 2-(3,5-di-tert-butyl-2-hydroxyphenyl)-5-chloro-2H-benzotriazole, 2-(3,5-di-tert-butyl-2-hydroxyphenyl)-2H-benzotriazole, 5-chloro-2-(3,5-di-tert-butyl-2-hydroxyphenyl)-2H-benzotriazole, 2-(3,5-di-tert-butyl-2-hydroxyphenyl)-2H-benzotriazole, 2-(3,5-di-tert-butyl-2-hydroxyphenyl)-2H-benzotriazole, etc. One or more of the following groups: 2-(2-hydroxy-5-tert-octylphenyl)-2H-benzotriazole, 2-(2-hydroxy-4-octylphenyl)-2H-benzotriazole, 2-(2H-benzotriazole-2-yl)-4-methyl-6-(3,4,5,6-tetrahydrophthaloylmethyl)phenol, and 2,2'-methylenebis[4-(1,3,3,-tetramethylbutyl)-6-[(2H-benzotriazole-2-yl)phenol]].

[0221] The acrylate-based ultraviolet absorber of this embodiment includes, for example, one or more selected from the group consisting of ethyl 2-cyano-3,3-diphenylacrylate and 2'-ethylhexyl 2-cyano-3,3-diphenylacrylate.

[0222] The metal complex salt-based ultraviolet absorber of this embodiment includes, for example, one or more of the following groups: nickel [2,2'-thiobis(4-tert-octyl)phenol] n-butylamine, nickel dibutyldithiocarbamate, nickel bis[o-ethyl-3,5-(di-tert-butyl-4-hydroxybenzyl)] phosphate, cobalt dicyclohexyl dithiophosphate, and nickel [1-phenyl,3-methyl,4-decanoyl,pyrazole(5)2] phosphate.

[0223] (Hindered amine light stabilizers)

[0224] The hindered amine light stabilizer of this embodiment includes, for example, one or more compounds selected from the group consisting of 3,5-di-tert-butyl-4-hydroxyphenyl, 2,2,6,6-tetramethylpiperidinyl and 1,2,2,6,6-pentamethyl-4-piperidinyl.

[0225] The hindered amine-based light stabilizer of this embodiment includes, for example, one or more selected from the group consisting of: 2,2,6,6-tetramethyl-4-piperidinyl stearate, 1,2,2,6,6-pentamethyl-4-piperidinyl stearate, 2,2,6,6-tetramethyl-4-piperidinyl benzoate, N-(2,2,6,6-tetramethyl-4-piperidinyl)dodecyl succinimide, 1-[(3,5-di-tert-butyl-4-hydroxyphenyl)] [2,2,6,6-Tetramethyl-4-piperidinyl-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, bis(1,2,2,6,6-pentamethyl-4-piperidinyl)sebacate, bis(1,2,2,6,6-pentamethyl-4-piperidinyl)-2-butyl-2-(3,5-di-tert-butyl-4-hydroxybenzyl)malonate, N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)hexamethylenedimethyldimethylpropionate Amine, tetra(2,2,6,6-tetramethyl-4-piperidinyl)-1,2,3,4-butanetetracarboxylate, tetra(1,2,2,6,6,-pentamethyl-4-piperidinyl)-1,2,3,4-butanetetracarboxylate, bis(2,2,6,6-tetramethyl-4-piperidinyl)-bis(tetranyl)-1,2,3,4-butanetetracarboxylate, bis(1,2,2,6,6-pentamethyl-4-piperidinyl)-bis(tetranyl)-1,2, 3,4-Butanetetracarboxylate, 3,9-bis[1,1-dimethyl-2-{tris(2,2,6,6-tetramethyl-4-piperidoxycarbonyloxy)butylcarbonyloxy}ethyl]-2,4,8,10-tetraoxaspiro[5.5]undecane, 3,9-bis[1,1-dimethyl-2-{tris(1,2,2,6,6-pentamethyl-4-piperidoxycarbonyloxy)butylcarbonyloxy}ethyl]-2,4,8,10-tetraoxaspiro[5.5]5] Undecane, 1,5,8,12-tetra[4,6-bis{N-(2,2,6,6-tetramethyl-4-piperidinyl)butylamino}-1,3,5-triazin-2-yl]-1,5,8,12-tetraazadodecane, 1-(2-hydroxyethyl)-2,2,6,6-tetramethyl-4-piperidinol / dimethyl succinate condensate, 2-tert-octylamino-4,6-dichlorotriazine / N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)hexamethylenediamine condensate, N,N'-bis(2,2,6,6-tetramethyl)hexamethylenediamine condensate, -4-piperidinyl)hexamethylenediamine / dibromoethane condensate, 2,2,6,6-tetramethyl-4-hydroxypiperidin-N-oxy radical, bis(2,2,6,6-tetramethyl-N-oxypiperidinyl) sebacate, tetra(2,2,6,6-tetramethyl-N-oxypiperidinyl)butane-1,2,3,4-tetracarboxylate, 3,9-bis(1,1-dimethyl-2-(tris(2,2,6,6-tetramethyl-N-oxypiperidinyl-4-oxycarbonyl)butylcarbonyloxy)ethyl)2,4,6,10-tetraoxazolo[5].5] Undecane, 1,6-bis(2,2,6,6-tetramethyl-4-piperidinylamino)hexane / dibromoethane condensate, 1,6-bis(2,2,6,6-tetramethyl-4-piperidinylamino)hexane / 2,4-dichloro-6-tert-octylaminotriazine condensate, 1,6-bis(2,2,6,6-tetramethyl-4-piperidinylamino)hexane / 2,4-dichloro-6-morpholinotriazine condensate, condensate of 2,2,6,6-tetramethyl-4-piperidinol, tridecanool, and 1,2,3,4-butanetetracarboxylic acid, 2,2,6,6- Condensations of tetramethyl-4-piperidinol with 1,2,3,4-butanetetracarboxylic acid, condensations of 1,2,2,6,6-pentamethyl-4-piperidinol with tridecanoic acid and 1,2,3,4-butanetetracarboxylic acid, condensations of 1,2,2,6,6-pentamethyl-4-piperidinol with 1,2,3,4-butanetetracarboxylic acid, 1-[2-[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyloxy]ethyl]-4-[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyloxy]-2,6,6-tetramethylpiperidin (e.g., SANOL) LS-2626 (manufactured by Sankyo), bis(1,2,2,6,6-pentamethyl-4-piperidinyl) ester of 2-(3,5-di-tert-butyl-4-hydroxybenzyl)-2-n-butylmalonate (e.g., Tinuvin 144, manufactured by Ciba-Geigy, Japan), bis(2,2',6,6'-tetramethyl-4-piperidinyl) sebacate (e.g., TINUVIN 770, manufactured by Ciba-Geigy, Japan), and poly[6-(1,1,3,3-tetramethylbutyl)imino-1,3,5-triazine-2,4-diyl][(2,2,6,6-tetramethyl-4-piperidinyl)imino]hexamethylene[(2,2,6,6-tetramethyl-4-piperidinyl)imino] (e.g., Chimassor B944, manufactured by Ciba-Geigy, Japan).

[0226] (Hydrochloric acid absorbent)

[0227] The hydrochloric acid absorbent of this embodiment includes, for example, one or more of the following: sodium stearate, magnesium stearate, calcium stearate, zinc stearate, lithium stearate, barium stearate, aluminum stearate, sodium 12-hydroxystearate, calcium 12-hydroxystearate, magnesium 12-hydroxystearate, zinc 12-hydroxystearate, and other higher fatty acid metal salts; epoxidized octyl stearate, epoxidized soybean oil, and other epoxy compounds; and inorganic compounds such as magnesium hydroxide, calcium hydroxide, and hydrotalcite.

[0228] (Metal passivating agent)

[0229] The metal passivating agent of this embodiment includes, for example, one or more selected from the group consisting of N,N'-diphenyloxamide, N-salicylal-N'-salicylic acid hydrazide, N,N'-bis(salicylic acid) hydrazide, N,N'-bis(3,5-di-tert-butyl-4-hydroxyphenylpropionyl) hydrazide, 3-salicylic acid amino-1,2,4-triazole, bis(benzylidene)oxalyl dihydrazide, oxaloyl aniline, isophthaloyl dihydrazide, sebacate bisphenyl hydrazide, N,N'-bis(salicylic acid)oxalyl dihydrazide, and N,N'-bis(salicylic acid)thiopropionyl dihydrazide.

[0230] (Antistatic agent, antifogging agent)

[0231] The antistatic agent and antifogging agent of this embodiment include one or more of the group consisting of cationic surfactants, anionic surfactants, amphoteric surfactants and nonionic surfactants.

[0232] The cationic surfactant in this embodiment includes, for example, one or more of the group consisting of tetraalkylammonium salts selected from lauryltrimethylammonium chloride, stearyltrimethylammonium chloride, etc.

[0233] The anionic surfactant of this embodiment includes, for example, one or more of the following: sodium decanesulfonate, sodium undecanesulfonate, sodium dodecanesulfonate, sodium tridecanesulfonate, sodium tetradecanesulfonate, sodium pentadecanesulfonate, sodium hexadecanesulfonate, sodium heptadecanesulfonate, sodium octadecanesulfonate, sodium nonadecanesulfonate, sodium dodecanesulfonate, potassium decanesulfonate, potassium undecanesulfonate, potassium dodecanesulfonate, potassium tridecanesulfonate, potassium tetradecanesulfonate, potassium pentadecanesulfonate, potassium hexadecanesulfonate, potassium heptadecanesulfonate, potassium octadecanesulfonate, potassium nonadecanesulfonate, potassium dodecanesulfonate, etc.; alkylbenzenesulfonate, sodium decylbenzenesulfonate, sodium undecylbenzenesulfonate, sodium dodecylbenzenesulfonate, sodium tridecylbenzenesulfonate, sodium tetradecylbenzenesulfonate, sodium pentadecylbenzenesulfonate, sodium hexadecylbenzenesulfonate, sodium heptadecanesulfonate, sodium octadecylbenzenesulfonate, etc.; and alkyl phosphates.

[0234] The amphoteric surfactant of this embodiment includes, for example, one or more of the following groups: betaine compounds selected from lauryl betaine, stearyl betaine, laurylamidopropyl betaine, stearylamidopropyl betaine, dimethyl amine oxide compounds such as lauryl dimethyl amine oxide, stearyl dimethyl amine oxide, N-stearoyl-α-alanine ester, N-lauryl-α-alanine ester, etc.

[0235] The nonionic surfactant of this embodiment includes, for example, one or more selected from the group consisting of: glyceryl monolaurate, glyceryl palmitate, glyceryl stearate, glyceryl oleate, glyceryl behenate, glyceryl caprylate, glyceryl cocoate, diglyceryl laurate, diglyceryl palmitate, diglyceryl stearate, diglyceryl oleate, diglyceryl behenate, diglyceryl caprylate, diglyceryl cocoate, triglyceride laurate, triglyceride palmitate, triglyceride stearate, triglyceride oleate, triglyceride behenate, triglyceride caprylate, and triglyceride cocoate. Fatty acid esters of pentaerythritol, including pentaerythritol monolaurate, pentaerythritol monostearate, pentaerythritol dilaurate, pentaerythritol distearate, pentaerythritol tristearate, pentaerythritol tetrastearate, and pentaerythritol tetralaurate; fatty acid esters of polyols, including sorbitol monolaurate, sorbitol monostearate, sorbitol fatty acid esters, polyethylene glycol monolaurate, polyethylene glycol monostearate, polyethylene glycol monooleate, and polyethylene glycol distearate; and diethanolamides, including lauric acid diethanolamide, stearic acid diethanolamide, and cocoyl acid diethanolamide.

[0236] (Lubricant)

[0237] The lubricant (sometimes also called a slip agent) in this embodiment comprises, for example, one or more of the following groups: waxes, oils, decanoic acid, lauric acid, myristic acid, palmitic acid, heptadecanic acid, stearic acid, arachidic acid, behenic acid, and other higher fatty acids or their metal salts, namely lithium salts, calcium salts, sodium salts, magnesium salts, potassium salts, etc.; aliphatic alcohols such as palmitol, cetyl alcohol, stearyl alcohol; aliphatic amides such as hexamidamide, octamidamide, decamidamide, lauramide, myristicamide, palmitamide, stearamide, ethylene bis-stearamide, etc.; esters of fatty acids and alcohols; fluoroalkyl carboxylic acids or their metal salts; fluoroalkyl sulfonic acid metal salts, etc., preferably including metal salts selected from higher fatty acids and... The product comprises one or more of the group consisting of aliphatic amides, more preferably one or more of the group consisting of magnesium laurate, magnesium myristate, magnesium palmitate, magnesium stearate, magnesium arachidate, ethylene bislaurate, ethylene bismyristate, ethylene bispalmitate, ethylene bisstearate (ethylene bisstearate), and ethylene bisarachidate, more preferably one or more of the group consisting of magnesium palmitate, magnesium stearate, magnesium arachidate, ethylene bispalmitate, ethylene bisstearate, and ethylene bisarachidate, more preferably one or two of the group consisting of magnesium stearate and ethylene bisstearate.

[0238] The waxes in this embodiment include, for example, one or more of the following groups: mineral waxes such as lignite wax, peat wax, terrestrial wax / microcrystalline wax, and petroleum wax; polyolefin waxes such as polyethylene wax and polypropylene wax; synthetic waxes such as Fischer-Tropsch wax, chemically modified hydrocarbon waxes, and substituted amide waxes; plant waxes; and animal waxes.

[0239] The oils in this embodiment include, for example, one or more of the group consisting of natural and synthetic oils such as mineral oil, vegetable oil, and silicone oil selected from aromatic oils, cycloalkane oils, and alkane oils.

[0240] (Nucleating agent)

[0241] The nucleating agent in this embodiment includes, for example, one or more selected from the group consisting of: sodium 2,2'-methylenebis(4,6-di-tert-butylphenyl) phosphate, aluminum bis(4,6-di-tert-butylphenyl) phosphate, aluminum bis(4,6-di-tert-butylphenyl) phosphate, aluminum tri[2,2'-methylenebis(4,6-di-tert-butylphenyl) phosphate], sodium bis(4-tert-butylphenyl) phosphate, sodium benzoate and other benzoate metal salts, aluminum p-tert-butylbenzoate, 1,3:2,4-bis(O-benzyl)sorbitol, 1,3:2,4-bis(O-methylbenzyl)sorbitol, etc. 1,3:2,4-bis(O-ethylbenzyl)sorbitol, 1,3-O-3,4-dimethylbenzyl-2,4-O-benzylsorbitol, 1,3-O-benzyl-2,4-O-3,4-dimethylbenzylsorbitol, 1,3:2,4-bis(O-3,4-dimethylbenzyl)sorbitol, 1,3-O-p-chlorobenzyl-2,4-O-3,4-dimethylbenzylsorbitol, 1,3-O-3,4-dimethylbenzyl-2,4-O-p-chlorobenzylsorbitol, 1,3:2,4-bis(O-p-chlorobenzyl)sorbitol, and mixtures thereof.

[0242] (Plasticizer)

[0243] The plasticizer in this embodiment includes, for example, one or more selected from the group consisting of: tricresyl phosphate, tri(xyl) phosphate, triphenyl phosphate, tri(ethylphenyl) phosphate, diphenyltolyl phosphate, monophenyl di(xyl) phosphate, di(xyl) mono(xyl) phosphate, arylalkyl phosphate, diphenyl mono(xyl) phosphate, morpholine phosphate, trioctyl phosphate, tri(isopropylphenyl) phosphate, and other triphosphate-based plasticizers; phthalates Phthalate ester plasticizers include dimethyl phthalate, diethyl phthalate, dibutyl phthalate, diheptyl phthalate, di-n-octyl phthalate, di(2-ethylhexyl) phthalate, diisononyl phthalate, octyldecyl phthalate, and butyl benzyl phthalate; fatty acid monocarboxylate plasticizers include butyl oleate and glyceryl monooleate; dibutyl adipate and di-n-fatty acid dicarboxylate plasticizers; diol ester plasticizers; and oxyacid ester plasticizers.

[0244] (Flame retardant)

[0245] The flame retardant in this embodiment includes, for example, one or more selected from the group consisting of calcium hydroxide, magnesium hydroxide, halogenated flame retardants, and phosphorus-based flame retardants.

[0246] The halogen-based flame retardant in this embodiment includes, for example, one or more of the group consisting of chlorine-based and bromine-based flame retardants.

[0247] From the perspectives of flame retardant effect, heat resistance during molding, dispersibility in resin, and influence on resin properties, the halogen-based flame retardant of this embodiment preferably includes one or more of the following: hexabromobenzene, pentabromoethylbenzene, hexabromobiphenyl, decabromobiphenyl, hexabromodiphenyl oxide, octabromodiphenyl oxide, decabromodiphenyl oxide, pentabromocyclohexane, tetrabromobisphenol A and its derivatives [e.g., tetrabromobisphenol A-bis(hydroxyethyl ether), tetrabromobisphenol A-bis(2,3-dibromopropyl ether), tetrabromobisphenol A-bis(bromoethyl ether), tetrabromobisphenol A-bis(allyl ether), etc.], tetrabromobisphenol S and its derivatives [e.g., tetrabromobisphenol S-bis(hydroxyethyl ether), tetrabromobisphenol S-bis(allyl ether), etc.]. (2,3-Dibromopropyl ether, etc.), tetrabromophthalic anhydride and its derivatives [e.g., tetrabromophthalimide, ethylene bis(tetrabromophthalimide, etc.], ethylene bis(5,6-dibromonorbornene-2,3-dicarboximide), tris(2,3-dibromopropyl-1)isocyanurate, Diels-Alder adducts of hexachlorocyclopentadiene, tribromophenyl glycidyl ether, tribromophenyl acrylate, ethylene bis(tribromophenyl ether), ethylene bis(pentabromophenyl ether), tetradecylbromodiphenoxybenzene, brominated polystyrene, brominated polyphenyl ether, brominated epoxy resin, brominated polycarbonate, polypentabromobenzyl polyacrylate, octabromonaphthalene, hexabromocyclododecane, bis(tribromophenyl)fumaramide, N-methylhexabromodiphenylamine.

[0248] The phosphorus-based flame retardant of this embodiment includes, for example, one or more selected from the group consisting of: trichloroethyl phosphate, tris(2,3-dichloropropyl) phosphate, tris(2-chloropropyl) phosphate, tris(2,3-bromopropyl) phosphate, tris(bromochloropropyl) phosphate, 2,3-dibromopropyl-2,3-chloropropyl phosphate, tris(tribromophenyl) phosphate, tris(dibromophenyl) phosphate, tris(tribromoneopentyl) phosphate, and other halogen-containing phosphate flame retardants; trimethyl phosphate, triethyl phosphate, tributyl phosphate, phosphorus... Non-halogenated phosphate flame retardants include aliphatic phosphates such as trioctyl phosphate and tributoxyethyl phosphate; and aromatic phosphates such as triphenyl phosphate, toluyl diphenyl phosphate, di(tolyl)phenyl phosphate, tri(tolyl) phosphate, tri(xyl) phosphate, tri(xyl) diphenyl phosphate, tri(isopropylphenyl) phosphate, isopropylphenyl diphenyl phosphate, diisopropylphenyl phosphate, tri(trimethylphenyl) phosphate, tri(tert-butylphenyl) phosphate, hydroxyphenyl diphenyl phosphate, and octyl diphenyl phosphate.

[0249] (Phosphorus-based stabilizer)

[0250] The phosphorus stabilizer of this embodiment includes, for example, one or more of the following groups: tris(2,4-di-tert-butylphenyl) phosphite, tetra(2,4-di-tert-butylphenyl)-4,4'-biphenyl diphosphite, bis(2,6-di-tert-butyl-4-methylphenyl) pentaerythritol diphosphite, bis(2,4-di-tert-butyl) pentaerythritol diphosphite, 2,2'-methylenebis(4,6-di-tert-butylphenyl) octyl phosphite, 2,2'-ethylidene bis(4,6-di-tert-butylphenyl) fluorophosphite, tris(mononylphenyl) phosphite, and tris[2-[[2,4,8,10-tetra-tert-butyldibenzo[d,f][1,3,2]dioxaphosphatane-6-yl]oxy]ethyl]amine.

[0251] The compounds of this embodiment that have a phosphate ester structure and a phenolic structure within one molecule include, for example, 6-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propoxy]-2,4,8,10-tetratert-butyldibenzo[d,f][1,3,2]dioxaphosphazenecycloheptane.

[0252] The resin composition of this embodiment may contain any components without prejudice to the purpose of the present invention. For example, the resin composition of this embodiment may contain additives such as thermoplastic resins, UV stabilizers, antistatic agents such as amines, esters of aliphatic alcohols, partial esters of polyols, and lubricants such as partial ethers. Additionally, the resin composition of this embodiment may contain resins such as vinyl polymers and rubber polymers.

[0253] From the viewpoint of achieving a balance between improving surface smoothness and adhesion to aluminum vapor deposition, the resin composition of this embodiment preferably comprises a thermoplastic resin.

[0254] From the viewpoint of achieving a balance between improving surface smoothness and adhesion to aluminum vapor deposition, the thermoplastic resin of this embodiment preferably comprises one or more selected from the group consisting of low-density polyethylene (LDPE), linear low-density polyethylene (LLDPE), high-density polyethylene (HDPE), polypropylene (PP), polystyrene (PS), acrylonitrile-butadiene-styrene resin (ABS), polymethyl methacrylate (PMMA), ethylene propylene diene monomer (EPDM), and elastomers.

[0255] From the viewpoint of achieving a balance between improving surface smoothness and adhesion to aluminum vapor deposition, the glass transition temperature (Tg) of the resin composition in this embodiment is preferably 120°C or higher and 170°C or lower, more preferably 125°C or higher and 165°C or lower, even more preferably 130°C or higher and 160°C or lower, even more preferably 135°C or higher and 155°C or lower, and even more preferably 140°C or higher and 150°C or lower.

[0256] The resin composition in this embodiment is preferably granules. By using granules, the surface area can be increased, thereby promoting the adhesion of the additive (C) to the surface of the filler-containing particles, and further improving the balance between surface smoothness and adhesion to aluminum vapor deposition.

[0257] Optical components need to accurately guide light, thus requiring a smooth surface. Furthermore, optical components are sometimes coated with aluminum, requiring good adhesion to the aluminum deposit. The resin composition of this embodiment achieves a good balance between surface smoothness and adhesion to the aluminum deposit, making it preferred for use in optical components.

[0258] The optical components of this embodiment include, for example, one or more selected from the group consisting of a mirror, a lens, and a light guide plate, preferably a mirror.

[0259] If the optical component is large, the impact of surface smoothness on image distortion and other properties becomes more pronounced. The resin composition of this embodiment improves surface smoothness and is therefore preferably used for large optical components such as mirrors for HUDs (Head-Up Displays). It should be noted that, in this embodiment, a large optical component refers to an optical component with a diameter of 100 mm or more, more preferably 200 mm or more, and even more preferably 300 mm or more.

[0260] Furthermore, regarding the surface smoothness of optical components, there is a problem that the surface smoothness of optical components can easily be damaged when they are formed by injection molding. The resin composition of this embodiment can improve surface smoothness, and is therefore preferably used for optical components formed by injection molding.

[0261] 2. Molded body

[0262] The molded body of this embodiment will be described below.

[0263] The molded body of this embodiment is obtained by molding the resin composition of this embodiment.

[0264] The shape of the molded body in this embodiment is not particularly limited, and can be spherical, rod-shaped, plate-shaped, cylindrical, tubular, fibrous, film-shaped, or sheet-shaped.

[0265] The manufacturing method of the molded article in this embodiment is not particularly limited, and known methods can be used. Depending on its application and shape, methods such as injection molding, extrusion molding, blow molding, vacuum forming, and slush molding can be applied. Among these, injection molding is preferred from the viewpoint of moldability and productivity. Furthermore, the molding conditions can be appropriately selected according to the intended use or molding method. For example, the resin temperature in injection molding is 150°C or higher and 400°C or lower, preferably 200°C or higher and 350°C or lower, and more preferably 230°C or higher and 330°C or lower.

[0266] 3. Optical components

[0267] The optical components of this embodiment will now be described.

[0268] The optical component of this embodiment includes the molded body of this embodiment.

[0269] The optical components of this embodiment include, for example, one or more selected from the group consisting of a mirror, a lens, and a light guide plate, preferably a mirror.

[0270] 4. Method for manufacturing resin composition

[0271] The method for manufacturing the resin composition of this embodiment will be described below.

[0272] The method for manufacturing the resin composition of this embodiment includes step 1: attaching an additive (C) to the surface of a particle containing a cyclic olefin polymer (A) and a filler (B); when the resin composition of this embodiment is set to 100 parts by mass, the amount of additive (C) attached to the surface of the particle containing the filler in step 1 of this embodiment is 0.001 parts by mass or more and 10 parts by mass or less.

[0273] From the viewpoint of achieving a balance between improving surface smoothness and adhesion to aluminum vapor deposition, the amount of additive (C) adhering to the surface of the filler-containing particles in step 1 of this embodiment is preferably 0.003 parts by mass or more and 8 parts by mass or less, more preferably 0.005 parts by mass or more and 6 parts by mass or less, even more preferably 0.01 parts by mass or more and 5 parts by mass or less, even more preferably 0.02 parts by mass or more and 3 parts by mass or less, even more preferably 0.03 parts by mass or more and 2 parts by mass or less, and even more preferably 0.05 parts by mass or more and 1 part by mass or less.

[0274] The mechanism by which the additive (C) adheres to the surface of the filler-containing material particles in this embodiment is not particularly limited, as long as the additive (C) is maintained on the surface of the filler-containing material particles in this embodiment through anchoring effect, surface tension, electrostatic force, etc.

[0275] The method for attaching the additive (C) to the surface of the filler-containing material particles of this embodiment is not particularly limited. For example, the filler-containing material particles of this embodiment and the additive (C) can be dry-mixed together using a drum mixer, Henschel mixer, etc., to achieve adhesion. In addition, an adhesive agent or the like can be used to improve the adhesion of the additive (C).

[0276] It should be noted that the spreading agent in this embodiment includes, for example, one or more of the following: animal oils such as tallow and whale oil, vegetable oils such as rapeseed oil and soybean oil, petroleum-based lubricating oils such as spindle oil and engine oil; synthetic lubricating oils such as dimethyl silicone, pentaerythritol ester, poly(α-olefin), polyethylene glycol, polypropylene glycol, and polyphenylene ether; ionic surfactants such as alkylbenzene sulfonates; nonionic surfactants such as polyoxyethylene alkyl ethers, polyoxyethylene alkylphenyl ethers, polyoxyethylene fatty acid esters, polyoxyethylene sorbitan fatty acid esters, glycerol fatty acid esters, polyglycerol fatty acid esters, sorbitan fatty acid esters, and higher alcohol fatty acid esters; fatty acids such as decanoic acid and oleic acid; aliphatic alcohols such as decanol; polyols such as 1,5-pentanediol and glycerol; fatty acid amides such as linoleic acid amide; and fatty acid esters such as butyl stearate.

[0277] The spreading agent in this embodiment preferably comprises an organic compound that becomes liquid at the operating temperature of the resin composition in this embodiment.

[0278] The spreading agent in this embodiment preferably contains an organic compound with an HLB (hydrophile-lipophile balance) of 10 or more, and more preferably contains one or two of the groups selected from polyethylene glycol and polyoxyethylene sorbitan fatty acid esters.

[0279] The method for manufacturing the resin composition of this embodiment may include a step of mixing the filler material (B) of this embodiment into the cyclic olefin polymer (A) of this embodiment to obtain the filler material-containing particles of this embodiment.

[0280] When mixing the filler material (B) of this embodiment into the cyclic olefin polymer (A) of this embodiment, the state of the filler material (B) of this embodiment is not particularly limited. It can be mixed with a masterbatch containing the filler material (B) of this embodiment, or it can be mixed directly with the filler material (B) of this embodiment itself. It should be noted that when directly mixing the filler material (B) itself, it is preferable to use a dispersant.

[0281] From the viewpoint of achieving a balance between improving surface smoothness and adhesion to aluminum vapor deposition, the method for manufacturing the resin composition of this embodiment preferably includes step 2: mixing a masterbatch containing filler material (B) into a cyclic olefin polymer (A).

[0282] From the viewpoint of achieving a balance between improving surface smoothness and adhesion to aluminum vapor deposition, the masterbatch containing filler material (B) in this embodiment comprises a thermoplastic resin.

[0283] The thermoplastic resin contained in the masterbatch of this embodiment preferably includes one or more selected from the group consisting of low-density polyethylene (LDPE), linear low-density polyethylene (LLDPE), high-density polyethylene (HDPE), polypropylene (PP), polystyrene (PS), acrylonitrile-butadiene-styrene resin (ABS), polymethyl methacrylate (PMMA), ethylene propylene diene monomer (EPDM), and elastomers. More preferably, it includes one or more selected from the group consisting of low-density polyethylene (LDPE), linear low-density polyethylene (LLDPE), and high-density polyethylene (HDPE). More preferably, it includes low-density polyethylene (LDPE).

[0284] From the viewpoint of further improving the balance between surface smoothness and adhesion to aluminum vapor deposition, when the masterbatch of this embodiment is set to 100% by mass, the ratio of filler material (B) of this embodiment is preferably 10% by mass or more and 90% by mass or less, more preferably 20% by mass or more and 70% by mass or less, and even more preferably 30% by mass or more and 50% by mass or less.

[0285] From the viewpoint of further improving the balance between surface smoothness and adhesion to aluminum vapor deposition, when the cyclic olefin polymer (A) of this embodiment is set to 100 parts by mass, the amount of masterbatch in this embodiment is preferably 0.1 parts by mass or more and 10 parts by mass or less, more preferably 0.2 parts by mass or more and 5 parts by mass or less, and even more preferably 0.5 parts by mass or more and 2 parts by mass or less.

[0286] In step 2, which involves mixing a masterbatch containing filler material (B) into a cyclic olefin polymer (A), the state of the cyclic olefin polymer (A) in this embodiment is not particularly limited. The cyclic olefin polymer (A) of this embodiment can be used on its own, or a substance formed by adding additives such as fatty acid esters to the cyclic olefin polymer (A) of this embodiment.

[0287] The embodiments of the present invention have been described above, but these are merely examples, and various configurations other than those described can also be employed. Furthermore, the present invention is not limited to the embodiments described above, and modifications and alterations within the scope of achieving the objectives of the present invention are included in the present invention.

[0288] Example

[0289] Next, the present invention will be specifically described through embodiments, but the present invention is not limited to these embodiments. It should be noted that in this embodiment, various physical properties are measured or evaluated by the following methods.

[0290] [Examples 1-4]

[0291] <Preparation of Resin Compositions>

[0292] (1) Preparation of catalyst

[0293] Dilute ethyl sesquichloride (Al(C2H5)) with cyclohexane. 1.5 Cl 1.5 ), to prepare organoaluminum compound catalyst solutions.

[0294] (2) Aggregation

[0295] In a stirred polymerizer, an organoaluminum compound catalyst solution prepared by the above method is used as a catalyst to react ethylene with tetracyclic [4.4.0.1]. 2,5 .1 7,10 The copolymerization of 3-dodecene (hereinafter referred to as TD) yields a copolymer solution. Here, ethylene and hydrogen are supplied together into the polymerizer.

[0296] (3)Deashing

[0297] Water and an aqueous sodium hydroxide solution were added to the obtained copolymer solution to stop the polymerization reaction and remove catalyst residues (de-ashing) from the copolymer solution. Pentaerythritol tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate] was added as a stabilizer to the de-ashed solution, and the mixture was stirred in a stirred tank for 1 hour.

[0298] (4) Desolventization

[0299] The solution with added stabilizer was heated to 180°C to remove the solvent and unreacted monomers, thereby obtaining a molten cyclic olefin copolymer (1) (a random copolymer of ethylene and TD).

[0300] It should be noted that the obtained cyclic olefin copolymer (1) was evaluated by the method described later, and the results showed that the glass transition temperature Tg was 155℃, the ratio of repeating units derived from ethylene was 65mol%, and the ratio of repeating units derived from TD was 35mol%.

[0301] (5) Extrusion

[0302] 100 parts by mass of the obtained cyclic olefin copolymer (1) and 0.9 parts by mass of fatty acid ester (RIKEMAL DO-100, manufactured by Riken Vitamin Co., Ltd.) were mixed and granulated. The resulting granules were dried with hot air at 100°C for 4 hours to obtain fatty acid ester-containing particles (1). The glass transition temperature (Tg) of the fatty acid ester-containing particles (1) was 142°C.

[0303] (6) Extrude again

[0304] 100 parts by weight of fatty acid ester granules (1) and 1 part by weight of black masterbatch granules (product name: MFP-CMB45LFR, manufactured by Sanfuku Kogyo Co., Ltd.) were dry-mixed, and then re-granulated by kneading. The resulting granules were dried with hot air at 100°C for 4 hours to obtain granules (1) containing filler material. It should be noted that the black masterbatch granules contain 0.4 parts by weight of carbon black and 0.6 parts by weight of LDPE.

[0305] (7) Additive (C)

[0306] The filler-containing particles (1) and the phenolic stabilizer (1) (compound name: pentaerythritol tetra[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate], product name: Irganox 1010, manufactured by BASF, particle size: 265 μm, melting point: 110 °C) were placed in a plastic bag. Nitrogen gas was then introduced into the plastic bag to expand it, the bag was sealed tightly, and the bag was shaken to homogenize the contents, allowing the amount of phenolic stabilizer (1) listed in Table 1 to adhere to the surface of the filler-containing particles (1), thus obtaining a resin composition.

[0307] It should be noted that the amount of additive (C) attached as recorded in Table 1 was determined by the method described later.

[0308] It should be noted that the glass transition temperature (Tg) of the resin composition was evaluated by the method described later, and the results for Examples 1 to 4 were all 142°C.

[0309] Examples 5 and 6

[0310] Lubricant (1) (compound name: ethylene bis-stearamide, product name: KAOWAX EB-FF, manufactured by Kao Corporation, particle size: 342 μm, melting point: 140 °C) was used instead of phenolic stabilizer (1), and otherwise the same method as in Example 1 was used.

[0311] It should be noted that the glass transition temperature Tg of the resin composition was evaluated by the method described later, and the results for Examples 5 and 6 were both 142°C.

[0312] Examples 7 and 8

[0313] Lubricant (2) (compound name: magnesium stearate, product name: magnesium stearate, manufactured by KISHIDA Chemical Company, particle size: 87 μm, melting point: 88 °C) was used instead of phenolic stabilizer (1), and otherwise the same method as in Example 1 was used.

[0314] It should be noted that the glass transition temperature Tg of the resin composition was evaluated by the method described later, and the results for Examples 7 and 8 were both 142°C.

[0315] Examples 9 and 10

[0316] (1) Extrusion

[0317] 100 parts by weight of a cyclic olefin copolymer (2) (a copolymer of ethylene and norbornene, product name: TOPAS 5013L-10, Polyplastics Co., Ltd.) and 1 part by weight of black masterbatch granules (product name: MFP-CMB45LFR, manufactured by Sanfuku Kogyo Co., Ltd.) were dry-mixed, and then re-granulated by kneading. The resulting granules were dried with hot air at 100°C for 4 hours to obtain granules (2) containing filler material. It should be noted that the black masterbatch granules contain 0.4 parts by weight of carbon black and 0.6 parts by weight of LDPE.

[0318] (2) Additive (C)

[0319] The filler material particles (2) and the phenolic stabilizer (1) were placed in a plastic bag. Then, nitrogen gas was introduced into the plastic bag to make it expand, the opening of the plastic bag was tied tightly, and the bag was shaken to make it uniform, so that the amount of phenolic stabilizer (1) recorded in Table 1 adhered to the surface of the filler material particles (2) to obtain a resin composition.

[0320] It should be noted that the amount of additive (C) attached as recorded in Table 1 was determined by the method described later.

[0321] It should be noted that the glass transition temperature Tg of the resin composition was evaluated by the method described later, and the results for Examples 9 and 10 were both 134°C.

[0322] Comparative Example 1

[0323] Except that no re-extrusion was performed and no additives (C) were added, the process was carried out in the same manner as in Example 1.

[0324] Comparative Example 2

[0325] Except for the absence of external additives (C), the procedure was carried out using the same method as in Example 1.

[0326] Comparative Example 3

[0327] Cyclic olefin copolymers (2) were evaluated.

[0328] Comparative Example 4

[0329] Except for the absence of external additives (C), the procedure was carried out in the same manner as in Example 9.

[0330] <Measurement Conditions>

[0331] (1) Glass transition temperature (Tg)

[0332] The glass transition temperature (Tg) of the cyclic olefin copolymer (1) and the resin composition (1) was determined from the endothermic curves obtained under the following conditions.

[0333] Measurement device: DSC-7020 (Hitachi High Technology Co., Ltd.)

[0334] Atmosphere: Nitrogen atmosphere

[0335] Temperature conditions: First, heat the temperature from room temperature to 200°C at a rate of 10°C / min and hold for 5 minutes. Then, cool the temperature to -40°C at a rate of 10°C / min and hold for 5 minutes. Next, heat the temperature to 200°C at a rate of 10°C / min.

[0336] (2) Ratio of repeating units

[0337] Based on the following conditions 13 C-NMR spectra were used to determine the ratio of repeating units derived from ethylene to repeating units derived from TD in the cyclic olefin copolymer (1).

[0338] Measurement apparatus: ECA500 nuclear magnetic resonance spectrometer (JEOL Ltd., Japan)

[0339] Solvent: Deuterated tetrachloroethane

[0340] Sample concentration: 50~100g / L - solvent

[0341] Pulse repetition time: 5.5 seconds

[0342] Total number of times: 6000~16000

[0343] Measurement temperature: 120℃

[0344] (3) Particle size of additive (C)

[0345] The particle size was determined using the sieve specified in JIS Z 8801-1:2019, in accordance with JIS Z 8815:1994.

[0346] (4) Melting point of additive (C)

[0347] The measurement was performed using a differential scanning calorimeter (Discovery DSC 2500, manufactured by TA Instruments) under a nitrogen atmosphere, and the temperature at which the endothermic peak caused by melting was determined was taken as the melting point.

[0348] (5) Adhesion amount of additive (C)

[0349] Prepare 100 capsules of the resin composition obtained by the above method (each capsule weighing approximately 10 mg), determine the mass, and use this as the mass before cleaning.

[0350] Next, the additive (C) present on the surface of the resin composition was cleaned with ethanol, dried at 50°C for 5 hours, and the mass was measured and taken as the mass after cleaning.

[0351] The difference between the mass before and after cleaning is taken as the amount of additive (C) attached.

[0352] <Evaluation>

[0353] (1) Evaluation of the manufacturing of the sample

[0354] The resin composition obtained by the above method was injection molded under the following conditions, and the resulting square plate was used as an evaluation sample for the following evaluation.

[0355] Molding machine: SE-30DUZ, manufactured by Sumitomo Heavy Industries, Ltd.

[0356] Mold: 65mm×35mm×1mm thick square plate

[0357] Barrel temperature: 260℃

[0358] Back pressure: 30 kgf / cm 2

[0359] Screw speed: 30 rpm

[0360] (2) Surface smoothness

[0361] The surface of the square panels was visually inspected and evaluated according to the following evaluation criteria. The results are shown in Table 1.

[0362] A: No dent is visible upon visual inspection.

[0363] B: A slight indentation is visible upon visual inspection.

[0364] C: A noticeable indentation is visible upon visual inspection.

[0365] (3) Surface roughness (Sa)

[0366] First, the surface of the square plate was visually observed, and the portion corresponding to C in the surface smoothness evaluation criterion (2) above was designated as an abnormal part, while the portion other than the abnormal part was designated as a normal part. Next, the surface roughness (Sa) of the square plate in the normal and abnormal parts was evaluated using a white interferometer (NEWVIEW 9000: ZYGO Corporation). The results are shown in Table 1.

[0367] (4) Adhesion to aluminum vapor deposition

[0368] The square plate was left to stand for 48 hours at 23°C and 50%RH. Then, it was placed in a bell-shaped vacuum evaporation apparatus for aluminum evaporation. Next, a high-temperature and high-humidity test (85°C, 85%RH, 1008h) was conducted on the aluminum-evaporated square plate. The adhesion of the aluminum evaporation was visually confirmed, and the evaluation was performed according to the following evaluation criteria. The results are shown in Table 1.

[0369] A: Visual inspection reveals no peeling of the vapor deposition.

[0370] B: Minor vapor deposition peeling is visible upon visual inspection.

[0371] C: Visual inspection reveals significant vapor deposition peeling.

[0372] [Table 1]

[0373]

[0374] As described above, in the embodiments, the performance balance between surface smoothness and adhesion to aluminum vapor deposition is improved compared to the comparative examples. Therefore, it can be seen that the resin composition according to this embodiment can improve the performance balance between surface smoothness and adhesion to aluminum vapor deposition.

[0375] The application claims priority based on Japanese Application No. 2024-174974, filed on October 4, 2024, the entire contents of which are incorporated herein by reference.

Claims

1. A resin composition comprising filler particles containing a cyclic olefin polymer (A) and a filler (B), and an additive (C), The additive (C) is present in at least a portion of the surface of the particles containing the filler material. When the total amount of the resin composition is set to 100 parts by mass, the amount of the additive (C) present on at least a portion of the surface of the particles containing the filler material is 0.001 parts by mass or more and 10 parts by mass or less.

2. The resin composition according to claim 1, wherein, When the content of the cyclic olefin polymer (A) is set to 100 parts by mass, the content of the filler material (B) is 0.01 parts by mass or more and 5 parts by mass or less.

3. The resin composition according to claim 1 or 2, wherein, The filler material (B) comprises carbon black.

4. The resin composition according to any one of claims 1 to 3, wherein, The resin composition comprises a thermoplastic resin.

5. The resin composition according to claim 4, wherein, The thermoplastic resin comprises one or more of the following groups: low-density polyethylene (LDPE), linear low-density polyethylene (LLDPE), high-density polyethylene (HDPE), polypropylene (PP), polystyrene (PS), acrylonitrile-butadiene-styrene resin (ABS), polymethyl methacrylate (PMMA), ethylene propylene diene monomer (EPDM), and elastomers.

6. The resin composition according to any one of claims 1 to 5, wherein, The cyclic olefin polymer (A) includes norbornene polymers.

7. The resin composition according to any one of claims 1 to 6, wherein, The cyclic olefin polymer (A) comprises a copolymer (A1) of ethylene or α-olefin with a cyclic olefin.

8. The resin composition according to claim 7, wherein, The copolymer (A1) of ethylene or α-olefin with cyclic olefin has: At least one repeating unit (a) derived from an olefin, as shown in the general formula (I) below; and At least one repeating unit (b) derived from a cyclic olefin is selected from the group consisting of repeating units represented by general formula (II), general formula (III), general formula (IV), general formula (V), and general formula (VI). [Chemistry 1] In the general formula (I), R 300 A straight-chain or branched hydrocarbon group representing 1 to 29 hydrogen or carbon atoms. [Chemistry 2] In the general formula (II), u is 0 or 1, v is 0 or a positive integer, w is 0 or 1, and R 61 ~R 78 and R a1 and R b1 They can be the same or different, and can be hydrogen atoms, halogen atoms, alkyl groups with 1 to 20 carbon atoms, haloalkyl groups with 1 to 20 carbon atoms, cycloalkyl groups with 3 to 15 carbon atoms, or aromatic hydrocarbon groups with 6 to 20 carbon atoms, R 75 ~R 78 They can bond with each other to form single or multiple rings. [Chemistry 3] In the general formula (III), x and d are integers greater than or equal to 0 or 1, y and z are 0, 1 or 2, and R 81 ~R 99 They can be the same or different, consisting of hydrogen atoms, halogen atoms, aliphatic hydrocarbon groups as alkyl groups with 1 to 20 carbon atoms or cycloalkyl groups with 3 to 15 carbon atoms, aromatic hydrocarbon groups or alkoxy groups with 6 to 20 carbon atoms, R 89 and R 90 The bonded carbon atom and R 93 The bonded carbon atoms or R 91 The bonded carbon atoms can be directly bonded or bonded via alkylene groups with 1 to 3 carbon atoms. Additionally, when y=z=0, R... 95 With R 92 or R 95 With R 99 They can bond with each other to form monocyclic or polycyclic aromatic rings. [Chemistry 4] In the general formula (IV), n and m are independently 0, 1, or 2, q is 1, 2, or 3, and R 18 ~R 31 Each of the following can be independently represented by a hydrogen atom, a halogen atom other than a fluorine atom, or a hydrocarbon group with 1 to 20 carbon atoms that can be substituted by a halogen atom other than a fluorine atom. Additionally, when q=1, R 28 With R 29 R 29 With R 30 R 30 With R 31 They can bond with each other to form single or multiple rings. Additionally, when q=2 or 3, R... 28 With R 28 R 28 With R 29 R 29 With R 30 R 30 With R 31 R 31 With R 31 They can bond with each other to form single or multiple rings. Furthermore, the single or multiple rings can also be aromatic rings. [Chemistry 5] In the general formula (V), R 100 R 101 They can be the same or different, representing hydrocarbon groups with 1 to 5 hydrogen or carbon atoms, where f is 1 ≤ f ≤ 18. [Chemistry 6] In the general formula (VI), q is 1, 2, or 3, and R 32 ~R 39 Each of the following can be independently composed of a hydrogen atom, a halogen atom other than a fluorine atom, or a hydrocarbon group with 1 to 20 carbon atoms that can be substituted by a halogen atom other than a fluorine atom. Additionally, when q=1, R 36 With R 37 R 37 With R 38 R 38 With R 39 They can bond together to form single or multiple rings. Additionally, when q=2 or 3, R... 36 With R 36 R 36 With R 37 R 37 With R 38 R 38 With R 39 R 39 With R 39 They can bond with each other to form a single ring or multiple rings. The single ring or multiple rings can have double bonds. In addition, the single ring or multiple rings can also be aromatic rings.

9. The resin composition according to claim 8, wherein, The copolymer of ethylene or α-olefin with cyclic olefin (A1) comprises repeating units represented by general formula (II) and structural units (C) derived from cyclic olefins having aromatic rings. The repeating unit shown in general formula (II) does not contain an aromatic ring. The cyclic olefin having an aromatic ring comprises one or more compounds selected from the group consisting of compounds shown in formula (C-1), formula (C-2), and formula (C-3). [Chemistry 7] In equation (C-1), n ​​and q are independently 0, 1, or 2, respectively, and R 1 ~R 17 R is a hydrocarbon group consisting of 1 to 20 carbon atoms, which can be independently replaced by hydrogen atoms, halogen atoms other than fluorine atoms, or halogen atoms other than fluorine atoms. 10 ~R 17 One of them is a bond; in addition, when q=0, R 10 With R 11 R 11 With R 12 R 12 With R 13 R 13 With R 14 R 14 With R 15 R 15 With R 10 They can bond together to form single or multiple rings. Additionally, when q=1 or 2, R... 10 With R 11 R 11 With R 17 R 17 With R 17 R 17 With R 12 R 12 With R 13 R 13 With R 14 R 14 With R 15 R 15 With R 16 R 16 With R 16 R 16 With R 10 They can bond with each other to form single or multiple rings. Furthermore, the single or multiple rings can have double bonds, and they can also be aromatic rings. [Chemistry 8] In equation (C-2), n and m are independently 0, 1, or 2, q is 1, 2, or 3, and R 18 ~R 31 Each of the following can be independently represented by a hydrogen atom, a halogen atom other than a fluorine atom, or a hydrocarbon group with 1 to 20 carbon atoms that can be substituted by a halogen atom other than a fluorine atom. Additionally, when q=1, R 28 With R 29 R 29 With R 30 R 30 With R 31 They can bond together to form single or multiple rings. Additionally, when q=2 or 3, R... 28 With R 28 R 28 With R 29 R 29 With R 30 R 30 With R 31 R 31 With R 31 They can bond together to form single or multiple rings, and the single or multiple rings may have double bonds. In addition, the single or multiple rings may also be aromatic rings. [Chemistry 9] In the formula (C-3), q is 1, 2, or 3, and R 32 ~R 39 Each of the following can be independently composed of a hydrogen atom, a halogen atom other than a fluorine atom, or a hydrocarbon group with 1 to 20 carbon atoms that can be substituted by a halogen atom other than a fluorine atom. Additionally, when q=1, R 36 With R 37 R 37 With R 38 R 38 With R 39 They can bond together to form single or multiple rings. Additionally, when q=2 or 3, R... 36 With R 36 R 36 With R 37 R 37 With R 38 R 38 With R 39 R 39 With R 39 They can bond with each other to form a single ring or multiple rings. The single ring or multiple rings can have double bonds. In addition, the single ring or multiple rings can also be aromatic rings.

10. The resin composition according to any one of claims 1 to 9, wherein, The additive (C) comprises one or more of the following groups: phenolic stabilizers, higher fatty acid metal salts, antioxidants, ultraviolet absorbers, hindered amine light stabilizers, hydrochloric acid absorbers, metal passivators, antistatic agents, antifogging agents, lubricants, slip agents, nucleating agents, plasticizers, and flame retardants.

11. The resin composition according to any one of claims 1 to 10, wherein, The additive (C) has a melting point above 50°C and below 180°C.

12. The resin composition according to any one of claims 1 to 11, wherein, The particle size of the additive (C), as determined according to JIS Z 8815:1994, is 50 μm or more and 1000 μm or less.

13. The resin composition according to any one of claims 1 to 12, wherein, The glass transition temperature (Tg) of the resin composition is above 120°C and below 170°C.

14. The resin composition according to any one of claims 1 to 13, wherein, The resin composition is in the form of particles.

15. The resin composition according to any one of claims 1 to 14, wherein, The resin composition is used in optical components.

16. A molded article obtained by molding the resin composition according to any one of claims 1 to 15.

17. An optical component comprising the molded body of claim 16.

18. The optical component according to claim 17, wherein it is a reflector.

19. A method for manufacturing a resin composition, comprising the method for manufacturing the resin composition according to any one of claims 1 to 15, comprising step 1: attaching an additive (C) to the surface of filler-containing particles containing a cyclic olefin polymer (A) and a filler (B), When the resin composition is set to 100 parts by weight, the amount of additive (C) adhering to the surface of the particles containing filler material in step 1 is 0.001 parts by weight or more and 10 parts by weight or less.

20. A method for manufacturing the resin composition according to claim 19, comprising step 2: mixing a masterbatch containing filler material (B) into a cyclic olefin polymer (A).

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