159results about "Polycarbonate coatings" patented technology

To provide a thermoplastic resin composition for fused deposition modeling, capable of obtaining a modeled body which is excellent in modeling performance and antistatic performance, which can be colored into various colors, and which has diverse design properties, a modeled body which is obtained with the thermoplastic resin composition by fused deposition modeling, and which not only is excellent in antistatic performance and but also has excellent design properties by coloration, and a method for producing the modeled body. A thermoplastic resin composition for fused deposition modeling, containing 3 to 45 parts by mass of one or more kinds of a polymeric compound (G) having the following polyether segment (A) and polymer segment (B), based on 100 parts by mass of a thermoplastic resin:Polyether segment (A): a polyether segment derived from a compound (a) having one or more ethyleneoxy groups and having a hydroxyl group at each of both ends;Polymer segment (B): one or more polymer segments selected from the group consisting of a polyester segment (D) and a polyamide segment (E).

Provided are a novel ultraviolet absorber that has an excellent absorbing property for UV-A or UV-B, furthermore specifically absorbs only ultraviolet ray at a specific wavelength, and is capable of being used for general purposes, and an ultraviolet absorbing resin excellent in bleed-out resistance in addition to the characteristics described above. The ultraviolet absorber is a fluorene compound represented by the general formula (1) or a resin comprising the fluorene compound as a constituent unit.

To provide a polyol composition excellent in coating stability even after storage.SOLUTION: The polyol composition contains a polyol (A), a basic substance (B), and a metal catalyst (C) and has a pH of 7-10. The polyol (A) contains a polycarbonate polyol and has a weight average molecular weight of 8,000 or less and a hydroxyl value of 30-300 mg KOH / g.SELECTED DRAWING: None

The invention relates to the field of polymer composite materials, and discloses a heat-conducting thin polymer-based composite material containing one-dimensional aluminum nitride and a modifier thereof and a preparation method of the heat-conducting thin polymer-based composite material, and the composite material is composed of a polymer matrix and a one-dimensional aluminum nitride heat-conducting filler located in the polymer matrix. In the invention, by introducing the one-dimensional aluminum nitride filler and the modifier thereof, the comprehensive performance of the thin polymer-based composite material is remarkably improved, and the one-dimensional aluminum nitride filler forms an efficient heat-conducting network penetrating through the upper and lower surfaces in a polymer matrix by virtue of the one-dimensional morphology and large length-diameter ratio characteristics in a single-crystal or polycrystal state, so that the heat conductivity of the thin polymer-based composite material is improved. The high-temperature side and the low-temperature side of the composite material can be directly bridged to form an efficient heat conduction path, so that the heat resistance is greatly reduced, rapid heat conduction is realized, and the overall heat conduction capability of the material is remarkably improved; meanwhile, the strength, toughness, elasticity and flexibility of the thin polymer-based composite material are greatly improved; the steric hindrance effect of the one-dimensional morphology has the effects of preventing segregation, preventing cracking and inhibiting oil leakage.

The invention discloses a polycarbonate-based non-isocyanate polyurethane ultraviolet curing coating and a preparation method of the polycarbonate-based non-isocyanate polyurethane ultraviolet curing coating. The photocureable coating is prepared from the following components: 10 to 60 percent of polycarbonate acrylate, 5 to 20 percent of urethane acrylate, 10 to 60 percent of reactive diluent, 1 to 5 percent of photoinitiator and 0 to 60 percent of solvent. Comprising the following steps: (1) reacting polycarbonate diol with methacrylic anhydride to obtain polycarbonate acrylate; (2) carbonating the allyl glycidyl ether by using carbon dioxide to obtain corresponding five-membered cyclic carbonate, and reacting with diamine to obtain urethane acrylate; and (3) uniformly mixing the obtained product with a reactive diluent and a photoinitiator to obtain the ultraviolet curing coating. The polycarbonate-based non-isocyanate polyurethane ultraviolet curing coating obtained by the invention is a biodegradable environment-friendly coating, a non-isocyanate polyurethane synthesis route is adopted, the use of isocyanate is avoided, and the coating shows excellent flexibility and pencil hardness on a PC (polycarbonate) base material.

To provide a method for manufacturing a laminated sheet which is excellent in interlayer adhesion between a fiber layer and a resin layer, and a method for manufacturing a laminate using the laminated sheet which is obtained by the method for manufacturing the laminated sheet.SOLUTION: A method for manufacturing a laminated sheet having a resin layer (1A) and a fiber layer in this order on at least one surface of a thermoplastic resin base material includes the following steps 1 to 3. Step 1: a step of coating a coating liquid for forming the resin layer (1A) containing a resin and a block isocyanate compound onto at least one surface of the thermoplastic resin base material, drying the coating liquid at a specific temperature, and forming a resin layer (1a). Step 2: a step of coating a coating liquid for forming a fiber layer containing a resin and a fine fibrous cellulose having a fiber width of 1 nm or more and 1,000 nm or less onto a surface opposite to the thermoplastic resin base material of the resin layer (1a), drying the coating liquid at a specific temperature, and forming a fiber layer. Step 3: heating a sheet where the fiber layer is formed at a specific temperature, and forming the resin layer (1A).SELECTED DRAWING: Figure 2

The invention belongs to the technical field of infrared radiation materials, and particularly relates to an infrared radiation material and a preparation method and application thereof. The infrared radiation material comprises a base material layer, a metal layer, an ink layer and a polymer protection layer which are sequentially stacked, the ink layer comprises modified vanadium dioxide; the modified vanadium dioxide is obtained by modifying vanadium oxydichloride by adopting a metal compound. According to the invention, the multi-layer metal layer with high infrared reflection and low infrared radiance is used as the bottom layer, and the multi-layer metal layer shows strong reflection and low absorption effects in mid-infrared and far-infrared bands; infrared rays can penetrate through the ink layer and are reflected on the surface of the metal layer to be less absorbed, the modified vanadium dioxide is added into the ink layer, the phase change temperature can be greatly reduced through doping modification of a metal material in the vanadium dioxide, the phase change is reduced to the room temperature or below, and then the infrared radiance is obviously reduced. And all the layers act together to obtain the infrared radiation material with lower infrared radiance.

The invention discloses a dual-curing rubbing primer as well as a preparation method and application thereof, and relates to the technical field of coatings. The dual-curing rubbing primer comprises a component A and a component B, the component A is prepared from the following raw materials in parts by weight: 3 to 12 parts of solvent-containing acrylate oligomer, 8 to 17 parts of polyurethane polycarbonate resin, 3 to 12 parts of polyurethane acrylic resin, 3 to 7 parts of bifunctional acrylic monomer, 8 to 22 parts of hydroxyl-containing UV polyurethane resin, 1 to 2 parts of photoinitiator, 0 to 0.5 part of flatting agent and 50 to 60 parts of diluent; the component B is prepared from the following raw materials in parts by weight: 65 to 75 parts of aliphatic polyisocyanate and 25 to 35 parts of solvent. The coating can be stably attached to the surface of the epoxy glass fiber composite board, and is high in adhesive force and good in covering power and boiling resistance.

Provided is a laminate which is provided with a base sheet and a metal particle-containing layer that is laminated on the base sheet and contains metal particles, the base sheet having a contact surface that is in contact with the metal particle-containing layer, and the Young's modulus of the base sheet at 23 DEG C as determined by measuring the contact surface by a nanoindentation method being 0.01-10 GPa.

According to the present invention, it is possible to provide a polycarbonate resin that contains a constituent unit (A) derived from a monomer represented by general formula (1), a constituent unit (B) derived from a monomer represented by general formula (2) and a constituent unit (C) derived from a monomer represented by general formula (3). Relative to the total amount of constituent units (A), (B) and (C) that constitute the polycarbonate resin, the proportion of constituent unit (A) is 20-50 mol %, the proportion of constituent unit (B) is 5-20 mol %, and the proportion of constituent unit (C) is 30-75 mol %.

Provided is a polyurethane aqueous dispersion that, when used as an additive for imparting adhesion, can be used to produce adhesives, coatings, and the like that form a cured film (i.e., an adhesive layer) whose physical properties, such as strength, are less susceptible to change even with temperature fluctuations, and has excellent storage stability. The polyurethane aqueous dispersion comprises resin particles formed from a polyurethane having terminal hydroxyl groups and water as a dispersion medium. The polyurethane comprises structural units derived from a polyol including a polyether polyol; structural units derived from a polyisocyanate including an aliphatic polyisocyanate and an alicyclic polyisocyanate; and structural units derived from a polyol containing an acidic group. The polyurethane has an acid value of 40 mgKOH / g or less, and is obtained by reacting a polyisocyanate with a polyol at a ratio of 0.5 ≤ [NCO group / OH group (molar ratio)] ≤ 0.95.

According to the present invention, it is possible to provide a resin composition including: a polycarbonate resin comprising a structural unit represented by general formula (1) (in the formula, R1-R4 and R11-R14 each independently represent hydrogen, fluorine, chlorine, bromine, iodine, etc., a is an integer of 1-1,000, and X represents –S-, etc.); and a carbonate-based organic solvent, wherein the content of the polycarbonate resin in the resin composition is 0.05-50 mass%, the content of the carbonate-based organic solvent in the resin composition is 50-99.5 mass%, and the molar ratio of the total of structural units represented by general formulae (2)-(4) to all the structural units represented by general formula (1) is 0-75%.

A multilayer coating film comprising a first base coating film, a second base coating film, and a transparent coating film, wherein the water-based first base coating composition comprises a glossy pigment and two or more coloring pigments, and the solid content concentration NV1 is 20-35% by mass, wherein the glossy pigment has a PWC (partial wcage) of 20-35%. G1 The PwC of the coloring pigment is 1-25%. C1 The concentration of the water-based second base coating composition is 0.1% to 5.0%, comprising a glossy pigment and two or more color pigments with the same color index name as the color pigments contained in the water-based first base coating composition, and the solid content concentration NV2 is 7% to 30% by mass, wherein the PWC of the glossy pigment is... G2 The PwC of the coloring pigment is 5-35%. C2 The concentration is 0.5% to 20.0%, the ratio of the thickness T1 of the first base coating to the thickness T2 of the second base coating (T1 / T2) is 1.5 / 1 to 5 / 1, the ratio of the solid component concentration NV1 to the solid component concentration NV2 (NV1 / NV2) is 1.3 / 1 to 3 / 1, and the PWC of the glossy pigment is... G1 PWC with the glossy pigment G2 The ratio (PwC) G1 / PWC G2 The PwC of the coloring pigment is 1 / 10 to 1 / 1. C1 PWC with the coloring pigment C2 The ratio (PwC) C1 / PWC C2 The value is 1 / 5 to 1 / 1.

The present application provides a resin composition containing a polycarbonate resin and capable of improving adhesion, and the like. The above technical problem is solved by a polycarbonate resin composition containing: a polycarbonate resin (A) having a structural unit represented by the following general formula (1); and a silane coupling agent (B) represented by the following general formula (2), containing the above silane coupling agent (B) 0.06 parts by mass or more with respect to 100 parts by mass of the polycarbonate resin (A). [In formulae (1) and (2), R 21 ~R 23 , X, Y, m are as described in the specification.]

At least one resin selected from the group consisting of aromatic polycarbonates and polyarylates, said resin characterized by comprising a bond between polymer chains obtained by Diels-Alder reaction.

This application provides a protective layer composition and its application, as well as an electronic device and its manufacturing method. The protective layer composition includes a resin and an organic solvent. The resin comprises a structured polyaryl ester and a second polymer, with the polyaryl ester and the second polymer comprising 80%-99% and 1%-20% of the resin by mass, respectively. The second polymer comprises polycarbonate with repeating units and / or a polymer with repeating units. This protective layer composition can reduce metal contamination of the non-patterned areas of the substrate caused by metal-based patterned materials or their associated layer materials during the formation of patterned thin films. Furthermore, the contaminant can be easily removed subsequently, improving the fabrication yield and performance reliability of the electronic device.

Polycarbonate polymers comprising non-aromatic cyclic groups bonded with carbonate linking groups are described. A portion of the non-aromatic cyclic groups comprise a substituent having siloxane repeat units. Representative formulas of the substituents having siloxane repeat units include —CH2—CH2—Si(R4)2—(OSi(R4)2—R5, and —CH[Si(R4)2—(OSi(R4)2)m—R5]—CH3; wherein m is the number of siloxane repeat units; and R4 and R5 are independently alkyl, aryl, aralkyl or aralkylene. The polycarbonate polymer C typically comprises a high concentration of carbonate linking group, for example in an amount of at least 85 or 90 mol % or greater N based on the total linking groups of the polymer. Also described are compositions comprising the polycarbonate polymer and methods of making.

A resist composition contains a resin including a structural unit having an acid-labile group, a photosensitive agent, and an acid generator. The acid generator contains a compound in which a maximum molar absorption coefficient in the wavelength range of 355 to 375 nm is 6,000 (L / (mol·cm)) or less The content of the photosensitive agent is 10% by mass or less in the solid content of the resist composition. When a film is formed from the resist composition with the film thickness used, a minimum transmittance of radiation of the film in the wavelength range of 355 to 375 nm is 23% or more. Also described are a method for producing a resist pattern, and a method for producing a plated molded article.

The present invention provides a polycarbonate-based coating resin composition having high adhesiveness, more specifically provides a polycarbonate resin composition that contains not less than 0.1 parts by mass of a polyisocyanate compound and 100 parts by mass of a terminal-modified polycarbonate resin (A) having a structural unit (2) and a terminal structure represented by structural formula (1).　[In formula (1) and formula (2), R1-R7, X, Y, Z, and a are as described in the description.]

To provide a thermosetting coating composition capable of forming a cured coating film excellent in extensibility, toughness and shielding properties.SOLUTION: The thermosetting coating composition according to the present invention comprises a polycarbonate polyol (A) and / or a polyether polyol (B), a carbodiimide-modified diphenylmethane diisocyanate (C), at least one selected from the group consisting of a trimethylolpropane adduct isocyanate (D), a biuret isocyanate (E), and an allophanate isocyanate (F), and a color pigment (G).SELECTED DRAWING: Figure 1

The application discloses a kind of point spray varnish for vehicle, including the following mass components: 10~30 parts carboxylated polycarbonate, 35~60 parts epoxy polyacrylate resin, 6~12 parts crosslinking agent, 0.1~8.0 parts auxiliary agent, 2~4 parts initiator, relate to the technical field of automobile varnish.The application utilizes carboxylated polycarbonate, epoxy polyacrylate resin to build varnish crosslinking network, and introduces polycarbonate structure, to improve the impact resistance, water resistance, chemical corrosion resistance and other properties of paint film;And the spraying repair process of point spray varnish is optimized, the original car paint is retained to a greater extent, and excessive maintenance is avoided.

The invention relates to a sheet for sintering and bonding, a composition, a varnish, and a dicing tape with the sheet for sintering and bonding. Provided is a sheet for sintering bonding, which is not susceptible to the occurrence of particle unevenness in the sheet, cracks during processing, and defects. A sheet for sintering bonding, which contains a binder and sinterable particles containing a conductive metal, and which is characterized in that the distance (Db) between the Hansen solubility parameter of the sinterable particles and the Hansen solubility parameter of the binder is less than 15.0.

The invention provides a Micro-LED (Light Emitting Diode) huge transfer and release material as well as a preparation method and application thereof. The Micro-LED huge transfer and release material is prepared from the following raw materials: triazene resin, auxiliary material resin, a coupling agent, an antioxidant, a flatting agent and a solvent. The Micro-LED huge transfer release material can overcome chip offset caused by high temperature generated by the technology in the huge transfer process, the triazene resin is matched with the auxiliary material resin and other auxiliaries, the strong alkali resistance is achieved, the technology process using high temperature and strong alkali can be resisted, no adhesive residue exists on the chip after the process is completed, and the chip is not prone to being damaged. And the chip can be cleaned without residual glue, high-efficiency chip transfer is realized, the chip is successfully lightened in the subsequent process, and the transfer yield is up to 99.99% or above.

To provide a novel compound useful as a raw material for a urethane resin and the like.SOLUTION: Provided is a compound represented by the following formula (A1-1). In formula (A1-1), R1 is a hydrogen atom, an alkyl group, or a hydroxyalkyl group, R2 is an alkanediyl group, R3 is an alkanediyl group, or *1-Ra-C(=O)-O-Rb-*2, R4 is an alkanediyl group, *1-O-Rc-*2, or *1-Ra-C(=O)-O-Rb-*2, Ra, Rb, and Rc are each independently an alkanediyl group, *1 is a binding site to a carbonyl group, *2 is a binding site to an oxygen atom, and n1 and m1 are each an integer of 0 or more. When there are multiple R4s, they may be the same or different.SELECTED DRAWING: None

The present application relates to the field of powder coating technology, specifically a high-brightness luminous thermosetting powder coating and its preparation method, comprising the following raw materials in parts by weight: 20-30 parts of glycidyl acrylate modified polycarbonate, 15-25 parts of hydrogenated bisphenol A epoxy resin, 15-25 parts of tetraphenol ethane epoxy resin, 2-5 parts of curing agent, 1-2 parts of transmittance enhancer, 1-3 parts of auxiliary agent, 6-10 parts of phosphor, and 0.5-1 parts of antioxidant; the auxiliary agent includes a dispersant and an anti-settling agent in a weight ratio of (1-3):1; the preparation method comprises the steps of mixing, stirring, and grinding the raw materials. By combining the specific raw materials, the powder coating prepared in the present application not only improves the brightness of the luminous thermosetting powder coating, but also has good mechanical strength and yellowing resistance, and its long-term performance is not affected.

The invention discloses spot-spray varnish for a vehicle, which comprises the following components in parts by mass: 10-30 parts of carboxylated polycarbonate, 35-60 parts of epoxy polyacrylate resin, 6-12 parts of a cross-linking agent, 0.1-8.0 parts of an auxiliary agent and 2-4 parts of an initiator, and relates to the technical field of automobile varnish. According to the invention, carboxylated polycarbonate and epoxy polyacrylate resin are utilized to construct a varnish cross-linked network, and a polycarbonate structure is introduced to improve the impact resistance, water resistance, chemical erosion resistance and other properties of a paint film; and the spraying repair process of spot-spraying varnish is optimized, original vehicle paint is reserved to a greater extent, and excessive maintenance is avoided.

The invention relates to the technical field of coatings, and discloses a modified polycarbonate coating for a photosensitive drum and a preparation method thereof.The modified polycarbonate coating for the photosensitive drum comprises the following raw materials in parts by weight: 74.95-81.99 parts of a solvent, 10-15 parts of modified polycarbonate resin, 8-10 parts of a charge transport material and 0.01-0.05 part of silicone oil, the preparation method comprises the following steps: adding the modified polycarbonate resin into a tetrahydrofuran solvent, stirring and dispersing, adding the charge transport material and the silicone oil, and stirring and mixing uniformly to obtain the modified polycarbonate coating for the photosensitive drum. The prepared modified polycarbonate coating can solve the problem of bottom ash caused by long-time charging and discharging in the prior art, and has a wide application prospect in photosensitive drums.

The invention provides a Micro-LED (Light Emitting Diode) laser mass transfer and release material as well as a preparation method and application thereof. The Micro-LED laser mass transfer and release material comprises the following components in percentage by mass: 10 to 30 percent of azobenzene group-containing compound, 10 to 30 percent of auxiliary resin, 0.1 to 5 percent of coupling agent and 0.05 to 2 percent of flatting agent. The specific composition of the Micro-LED laser mass transfer and release material is designed, and a compound containing an azobenzene group is further used, so that the technical problem that in the Micro-LED mass transfer process, the used laser mass transfer and release material is poor in adhesive force under a strong alkali condition and is not resistant to a high-temperature process, so that the release defect is caused is solved.

The invention relates to the technical field of high polymer materials, and particularly discloses an automotive trim film resistant to press resilience and a preparation method thereof. The pressing-resilience-resistant automotive interior film sequentially comprises a foaming layer, a modified PVC surface layer and a surface coating from bottom to top, and the modified PVC surface layer is prepared from the following raw materials in parts by weight: 90-100 parts of PVC resin powder, 10-15 parts of ABS particles, 5-9 parts of an elastomer, 53-84 parts of a plasticizer, 13-30 parts of a stabilizer and 3-9 parts of titanium dioxide; the foaming layer comprises the following raw materials in parts by weight: 55-75 parts of polypropylene and 15-23 parts of a foaming agent. The pressing-resilience-resistant automobile interior thin film can be used for preparing an automobile interior skin wrapping layer, and has the advantages of good texture, pressing resistance, excellent resilience and low preparation cost.