77 results about "Vinylcyanide" patented technology

The present invention provides a thermoplastic resin composition including a first graft copolymer including a conjugated diene-based polymer, an alkyl (meth)acrylate-based monomer, an aromatic vinyl-based monomer, and a vinyl cyanide-based monomer; a second graft copolymer including an alkyl (meth)acrylate-based polymer, an aromatic vinyl-based monomer, a vinyl cyanide-based monomer, and an alkyl (meth)acrylate-based monomer; and a thermoplastic copolymer including an alkyl (meth)acrylate-based monomer, an aromatic vinyl-based monomer, and a vinyl cyanide-based monomer, wherein the first graft copolymer is included in an amount of 5 to 12% by weight, and the weight of the first graft copolymer is less than the weight of the second graft copolymer and at the same time less than the weight of the thermoplastic copolymer, and a molded article manufactured using the thermoplastic resin composition.

The present invention relates to a thermoplastic resin composition including: a base resin including a diene-based graft polymer and a vinyl-based non-grafted polymer including an aromatic vinyl-based monomer unit and a vinyl cyanide-based monomer unit; and an additive including an olefin-based non-grafted polymer including an olefin-based monomer unit, a (meth)acrylate-based monomer unit, and a maleic acid-based monomer unit.

The invention provides a resin composition having excellent impact resistance, fluidity, heat resistance, and good appearance of a molded article, and having a high effect of suppressing tape peeling from the surface of a molded article. The invention is a resin composition, containing: 0.5 to 10 parts by weight of (C) an acrylic block copolymer (component C); 0.01 to 3.0 parts by weight of (D) a phosphorus antioxidant (component D); and 0.01 to 3.0 parts by weight of (E) a hindered phenol antioxidant (component E) relative to 100 parts by weight of a resin component composed of 45 to 90 parts by weight of (A) a polycarbonate resin (component A) and 10 to 55 parts by weight of (B) a copolymer obtained by polymerizing an aromatic vinyl monomer and a vinyl cyanide monomer (component B).

Disclosed is a thermoplastic resin composition, a method of preparing the same, and a molded article including the same. Also disclosed is a thermoplastic resin composition prepared by adding a recycled vinyl cyanide compound-conjugated diene rubber-aromatic vinyl compound copolymer and a recycled polycarbonate resin to a composition including a vinyl cyanide compound-conjugated diene rubber-aromatic vinyl compound graft copolymer, an α-methyl styrene-vinyl cyanide compound-aromatic vinyl compound copolymer, and an aromatic vinyl compound-vinyl cyanide compound copolymer according to a predetermined composition ratio.

Provided are a thermoplastic resin composition and a molded product manufactured therefrom, the thermoplastic resin composition including (A) 10 to 40 wt % of an acrylic graft copolymer that includes a core including an acrylic rubbery polymer, and a shell formed by graft polymerization of a monomer to the core, the monomer including an alkyl (meth)acrylate, an aromatic vinyl compound, a vinyl cyanide compound, or a combination thereof; (B) 30 to 60 wt % of a polyalkyl (meth)acrylate resin; and (C) 10 to 40 wt % of an N-(substituted)maleimide-acrylic copolymer.

A thermoplastic resin composition containing a resin component of 100 parts by mass, the resin component containing: 10 to 50 parts by mass of a rubber-containing graft copolymer (A); and 50 to 90 parts by mass of another resin, the rubber-containing graft copolymer (A) being obtained by graft polymerizing 30 to 80% by mass of a rubbery polymer (a1) with 20 to 70% by mass of a vinyl-based monomer mixture (a2) containing an aromatic vinyl-based monomer and a vinyl cyanide-based monomer wherein a total of the rubbery polymer (a1) and the vinyl-based monomer mixture (a2) is 100% by mass. A content of the vinyl cyanide-based monomer component in a total of an acetone-soluble matter contained in the thermoplastic resin composition is 20 to 40% by mass. A content of a metal oxide (D) in the thermoplastic resin composition is 4500 ppm or less.

The present disclosure relates to a thermoplastic resin having excellent impact strength, gloss, fluidity, and non-whitening properties and a method of preparing the same. The thermoplastic resin including an alkyl acrylate-alkyl methacrylate graft copolymer (A), or an alkyl acrylate-alkyl methacrylate graft copolymer (A) and a matrix resin (B) including one or more selected from the group consisting of an aromatic vinyl compound, a vinyl cyanide compound, an alkyl methacrylate, and an alkyl acrylate, wherein a total content of the alkyl acrylate is 20 to 50% by weight, and a butyl acrylate coverage value (X) as calculated by Equation 1 below is 50 or more.X={(G−Y) / Y}×100  [Equation 1]In Equation 1, G represents the total gel content (%) of the thermoplastic resin, and Y represents the content (% by weight) of butyl acrylate in the gel of the thermoplastic resin.

The present invention provides a functional agent capable of suitably imparting a predetermined function (e.g., heat resistance) to a main polymer to be mixed, and a polymer composition having excellent functionality. [Solution] According to one aspect of the present invention, a functional agent is provided that is used by adding it to a main polymer, and contains a maleimide copolymer having (A) aromatic vinyl monomer units, (B) maleimide monomer units, and (C) vinyl cyanide monomer units, wherein (A) aromatic vinyl monomer units include α-substituted aromatic vinyl monomer units.

The invention provides methyl vinyl cyanopropyl mixed cyclosiloxane as well as a preparation method and application thereof. The methyl vinyl cyanopropyl mixed cyclosiloxane has the following structural general formula: (R1MeSiO) x (R2MeSiO) y (Me2SiO) z, wherein R1 is vinyl, Me is methyl, R2 is cyanopropyl, x, y and z are integers greater than 0, the value range of x is 1-2, the value range of y is 1-4, and the value range of z is 2-5. The polarity of the methyl vinyl cyanopropyl mixed cyclosiloxane provided by the invention is adjustable, the damping coefficient, the high temperature resistance and the oil resistance of silicone rubber can be improved, the viscosity of silicone oil can be reduced, and the low temperature resistance of the silicone oil can be improved.

A resin composition according to an embodiment of the present invention comprises: a graft copolymer including a conjugated diene-based polymer, an alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a vinylcyan-based monomer unit; and a styrene-based copolymer including an alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a maleimide-based monomer unit, wherein the conjugated diene-based polymer may have a degree of crosslinking of 85% or more and a degree of swelling of 14 or less, and the graft copolymer may have a degree of swelling of 5-16.

A graft copolymer obtained by carrying out graft polymerization of monomers including a vinyl cyanide-based monomer and an aromatic vinyl-based monomer on a propylene-based polymer, wherein the propylene-based polymer is a random copolymer, and the melt flow rate of the propylene-based polymer at 230°C and 2.16 kg is greater than or equal to 1.5 g / 10 minutes but less than 8 g / 10 minutes.

According to one embodiment of the present invention, a resin composition may comprise: a graft copolymer composition comprising a first graft copolymer and a second graft copolymer, wherein the first graft copolymer comprises a rubber polymer having a glass transition temperature of -120°C or higher and -90°C or lower, and the second graft copolymer comprises a rubber polymer having a glass transition temperature of -70°C or higher and -40°C or lower; a matrix copolymer composition comprising any one selected from a first matrix copolymer comprising alkyl-substituted aromatic vinyl monomer units, a second matrix copolymer comprising maleimide monomer units, and a third matrix copolymer comprising alkyl-unsubstituted aromatic vinyl monomer units, or mixtures thereof; an elastomer comprising a polyolefin compound; and a third graft copolymer wherein aromatic vinyl monomer units and vinyl cyanide monomer units are grafted onto a polyalkylene backbone.

A thermoplastic resin composition resin composition contains: 1 to 50 parts by mass of a specific polycarbonate resin (A) containing an isosorbide structure; 10 to 45 parts by mass of a graft copolymer (B) obtained by graft polymerizing a rubbery polymer (a) with a monomer (b) containing an aromatic vinyl-based monomer and a vinyl cyanide-based monomer; 5 to 49 parts by mass of an aromatic vinyl-vinyl cyanide-based copolymer (C) obtained by copolymerizing a monomer (c) containing an aromatic vinyl-based monomer and a vinyl cyanide-based monomer; and 0 to 40 parts by mass of an aromatic polycarbonate resin (D). (A total of the polycarbonate resin (A), the graft copolymer (B), the aromatic vinyl-vinyl cyanide-based copolymer (C), and the aromatic polycarbonate resin (D) is 100 parts by mass.) A molded article obtained by molding this thermoplastic resin composition.

Disclosed is a method of preparing a graft copolymer and a method of preparing a thermoplastic resin composition including the prepared graft copolymer. Also disclosed is a method of preparing a graft copolymer including a process of adding an aromatic vinyl monomer and a vinyl cyanide monomer to a conjugated diene rubber latex that is enlarged with a polymer particle diameter control agent that has a specific glass transition temperature and an average particle diameter in a specific ratio to an average particle diameter of a conjugated diene rubber latex, and graft-polymerizing the same; and a method of preparing a thermoplastic resin composition including the prepared graft copolymer.Also disclosed is a graft copolymer prepared using the conjugated diene rubber latex enlarged with the polymer particle diameter control agent exhibiting the synergistic effect of improving both impact strength and fluidity.

Disclosed is an ASA resin composition, a molded article including the ASA resin composition, and a method of manufacturing the molded article. Also disclosed is an ASA resin composition including 20 to 47% by weight of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer containing acrylate rubber having an average particle diameter of 50 to 150 nm as a core; 23 to 55% by weight of an alkyl methacrylate-aromatic vinyl compound-vinyl cyanide compound copolymer; and 25 to 45% by weight of a poly(alkyl methacrylate) resin, a molded article including the ASA resin composition, and a method of manufacturing the molded article. Also disclosed is an ASA resin composition having excellent colorability and transparency even at a processing thickness of a predetermined value while having excellent mechanical properties and processability, a molded article including the ASA resin composition, and a method of manufacturing the molded article are provided.

The present disclosure relates to a thermoplastic resin composition, a method of preparing the same, and a molded article including the same. For example, the present disclosure relates to a thermoplastic resin composition including 35 to 85% by weight of an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A) containing alkyl acrylate rubber having an average particle diameter of 50 to 120 nm and 15 to 65% by weight of a polymethacrylate resin (B). The thermoplastic resin composition has an alkyl acrylate coverage value (X) of 70% or more as calculated by Equation 1. The thermoplastic resin composition may have beneficial mechanical properties, such as impact strength, tensile strength, and flexural strength, surface hardness, transparency, and colorability and may be capable of preventing occurrence of whitening during bending due to beneficial non-whitening properties.

The present disclosure relates to a thermoplastic resin having excellent non-whitening properties, impact strength, gloss, and fluidity, and a method of preparing the thermoplastic resin. The thermoplastic resin includes an alkyl acrylate-alkyl methacrylate graft copolymer (A), or the copolymer (A) and a matrix resin (B) including one or more selected from the group consisting of an aromatic vinyl compound-vinyl cyanide compound-alkyl methacrylate copolymer and an alkyl methacrylate polymer. A transparency measured under a condition of 3 mm thickness is less than 5, the total content of the alkyl acrylate is 20 to 50% by weight, and an alkyl acrylate coverage value (X) as calculated by Equation 1 below is 65 or more:X={(G−Y) / Y}×100,  [Equation 1]wherein G represents the total gel content (%) of the thermoplastic resin, and Y represents the content of alkyl acrylate in the gel contained in the thermoplastic resin.

The present invention relates to a thermoplastic resin composition, a method of preparing the same, and a molded article including the same. More particularly, the present invention relates to a thermoplastic resin composition including 100 parts by weight of a base resin including an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A) containing alkyl acrylate rubber and one or more (B) selected from the group consisting of a (meth)acrylic acid alkyl ester polymer (b-1) and a (meth)acrylic acid alkyl ester compound-aromatic vinyl compound-vinyl cyanide compound copolymer (b-2); and 0.1 to 6 parts by weight of an acrylic copolymer (C), wherein the thermoplastic resin composition has an alkyl acrylate coverage (X) value of 65% by weight or more, a method of preparing the thermoplastic resin composition, and a molded article including the thermoplastic resin composition.

Disclosed is a method for producing a diene-based graft copolymer resin, and a diene-based graft copolymer resin produced therefrom, the method including: adding, into a reactor, a polymerization solution containing a diene-based rubber polymer, an aromatic vinyl-based monomer, a vinyl cyan-based monomer, a polymerization initiator, and a reaction solvent, and polymerizing the polymerization solution to prepare a polymer; recovering a solution containing unreacted monomers and a reaction solvent from the polymerization solution, dispersing a releasing agent in the recovered solution, and then adding the solution into the front end of a volatilization tank; and removing the unreacted monomers and the reaction solvent from the volatilization tank.

The present disclosure relates to a thermoplastic resin composition, a method for producing the same, and a molded article containing the same, and more specifically, to a thermoplastic resin composition comprising at least one selected from the group consisting of (A) (a-1) an alkyl acrylate-aromatic vinyl compound-vinyl cyan compound graft copolymer containing an alkyl acrylate rubber having an average particle size of 50 to 120 nm, (a-2) an alkyl acrylate-aromatic vinyl compound-vinyl cyan compound graft copolymer containing an alkyl acrylate rubber having an average particle size of 150 to 600 nm, and (a-3) an alkyl acrylate-aromatic vinyl compound-vinyl cyan compound graft copolymer containing an alkyl acrylate rubber having an average particle size of 80 nm or more but less than 150 nm, and (B) (b-1) a (meth)acrylic acid alkyl ester polymer and The present invention relates to a thermoplastic resin composition, a method for producing the same, and a molded article comprising the same, the composition comprising: (b-2) 100 parts by weight of a base resin containing one or more selected from the group consisting of (meth)acrylic acid alkyl ester compound-aromatic vinyl compound-vinyl cyan compound copolymers; (C) 0.5 to 3.5 parts by weight of one or more selected from the group consisting of benzotriazole-based UV stabilizers, benzoate-based UV stabilizers, and benzophenone-based UV stabilizers, each having a molecular weight of 280 to 600 g / mol; and (D) more than 0.6 parts by weight and not more than 2 parts by weight of an NH-type HALS-based UV stabilizer having a molecular weight of 300 to 700 g / mol; wherein the (a-1) graft copolymer has an alkyl acrylate coverage (X) value of 65% by weight or more. According to the present invention, there are provided a thermoplastic resin composition which has excellent mechanical properties, transparency, and weather resistance, and which exhibits reduced change over time due to the excellent weather resistance, excellent color stability, and a beautiful appearance; a method for producing the same; and a molded article containing the same.

The present disclosure relates to a method of preparing a polymer including preparing a first polymer mixture by polymerizing while continuously adding a monomer mixture comprising a (meth)acrylate-based monomer, a vinyl aromatic monomer, and a first vinyl cyanide-based monomer to a first reactor; and preparing a second polymer mixture by polymerizing while continuously adding a second vinyl cyanide-based monomer and the first polymer mixture to a second reactor, wherein a starting time of the continuous addition of the second vinyl cyanide-based monomer and the first polymer mixture is a time when a polymerization conversion rate is 40.0 to 55.0%, and a weight ratio of the first vinyl cyanide-based monomer and the second vinyl cyanide-based monomer is 10:90 to 35:65.

The present disclosure provides a resin composition for cleaning a molding machine, which is excellent in terms of workability while exhibiting cleaning properties equal to or higher than those of a conventional one.　A resin composition for cleaning a molding machine according to the present invention is characterized by comprising an acrylonitrile-styrene copolymer (AS) resin, a rubber component, and an aliphatic surfactant and / or an aromatic surfactant, and is also characterized in that the content of the rubber component is 3-15 parts by mass with respect to 100 parts by mass of the AS resin. In addition, it is preferable that the content of a constituent unit derived from a vinyl cyanide compound in the AS resin is 34 mass% or less.

The present invention provides a thermoplastic resin composition which comprises: a diene-based rubber graft polymer; an alkyl-unsubstituted styrene-based polymer; an alkyl-substituted styrene-based polymer comprising an alkyl-substituted styrene-based monomer unit, an alkyl-unsubstituted styrene-based monomer unit, and a vinyl cyanide-based monomer unit; and a maleimide-based polymer having a weight-average molecular weight of 110,000 to 127,000 g / mol.

The invention relates to a thermoplastic resin composition and a molded article using the same. In an embodiment, there is provided a thermoplastic resin composition comprising, with respect to 100 wt% of a base resin (A), a thermoplastic resin (B), base resin (A) including 35 wt% to 45 wt% of acrylate-based graft copolymer (A-1), 20 wt% to 40 wt% of alpha-methylstyrene-aromatic vinyl compound-cyanovinyl compound copolymer (A-2), 10 wt% to 20 wt% of poly (meth) alkyl acrylate resin (A-3) and 0 to 30 wt% of a first aromatic vinyl compound-cyanovinyl compound copolymer (A-4); 2 to 5 parts by weight of a second aromatic vinyl compound-vinyl cyanide compound copolymer (B) having a weight average molecular weight not less than 20 times the weight average molecular weight of the first aromatic vinyl compound-vinyl cyanide compound copolymer (A-4); 0.5 to 2 parts by weight of a monomolecular first light stabilizer (C-1); and 0.5 to 2 parts by weight of a polymeric second light stabilizer (C-2).

Provided is a resin composition for impact-absorbing sheets, the resin composition comprising: (meth)acrylic resin particles which include a structural unit (a) derived from a vinyl cyanide monomer, a structural unit (b) derived from a monomer having a carboxy group, and a structural unit (c) derived from a monomer having an aldehyde group and / or a ketone group, and in which the percentage content of the structural unit (b) is 1.0-4.0 mass% with respect to all structural units, and the percentage content of the structural unit (c) is 1.0-2.0 mass% with respect to all structural units; a hydrazide-based cross-linking agent; and a cross-linking agent other than the hydrazide-based cross-linking agent. The contained amount of the hydrazide-based cross-linking agent is 0.3-1.0 parts by mass with respect to 100 parts by mass of the (meth)acrylic resin particles. Also provided are: a method for producing the resin composition; and an impact-absorbing sheet.

A thermoplastic resin composition includes a base resin with one or more alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A), one or more (meth)acrylic acid alkyl ester (B), 0.5 to 3.5 parts by weight of one or more UV stabilizer (C) selected from the group consisting of a benzotriazole-based UV stabilizer, a benzoate-based UV stabilizer, and a benzophenone-based UV stabilizer, and greater than 0.6 parts by weight and 2 parts by weight or less of an NH-type HALS-based UV stabilizer (D).

The present invention relates to a thermoplastic resin composition including: a diene-based graft polymer; a vinyl-based non-grafted polymer including an alkyl-substituted aromatic vinyl-based monomer unit and a vinyl cyanide-based monomer unit; a first maleimide-based non-grafted polymer including a maleimide-based monomer unit, an alkyl-unsubstituted aromatic vinyl-based monomer unit, and a vinyl cyanide-based monomer unit; and a second maleimide-based non-grafted polymer including a maleimide-based monomer unit and an alkyl-unsubstituted aromatic vinyl-based monomer unit, wherein the first maleimide-based non-grafted polymer has a lower glass transition temperature than the second maleimide-based non-grafted polymer.

A thermoplastic resin composition and a molded body containing the same are disclosed. The resin composition can obtain good dimensional stability and thermal deformation resistance at high temperatures by the introduction of an inorganic filler and an aromatic polyester into a polycarbonate resin and a polycarbonate-polysiloxane copolymer. The resin composition includes: 40 to 80 weight percent (wt %) of a polycarbonate resin; 1 to 20 wt % of a polycarbonate-polysiloxane copolymer resin; 5 to 30 wt % of an aromatic polyester resin; 1 to 20 wt % of a graft copolymer resin in which a rubbery polymer, an aromatic vinyl monomer, and a vinyl cyanide monomer are polymerized through graft polymerization; 5 to 30 wt % of an inorganic filler; 0.01 to 1 wt % of an organophosphate ester compound; and 1 to 5 wt % of a vinyl-based copolymer resin.

The present invention relates to a polycarbonate resin composition comprising 55-90 mass% of a polycarbonate resin (A) having a viscosity average molecular weight of 17,500-30,000 and 10-45 mass% of a graft copolymer (B) comprising an aromatic vinyl monomer component (b1), a vinyl cyanide monomer component (b2), and a diene-based rubber polymer component (b3). The polycarbonate resin composition contains 0.001-0.3 parts by mass of an aryl phosphine oxide (C) and 0.001-0.3 parts by mass of a compound (D) having a phenol structure, based on 100 parts by mass of the total of (A) and (B). The polycarbonate resin composition is characterized in that the compound (D) having a phenol structure contains at least one of 4-tert-butylphenol, 2, 4-di-tert-butylphenol, 4-alpha-cumylphenol, and bisphenol A. The polycarbonate resin composition is also characterized in that: the compound (D) has a phenol structure;