112results about "Polycarbonate coatings" patented technology

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.

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.

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.

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.

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 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 present application relates to a display device comprising a display member comprising a first zone, a second zone and a third zone defined between the first zone and the second zone; a first coating disposed on a first surface of the first zone of the display member; and a second coating disposed on a first surface of the second zone of the display member, wherein a first modulus of the first coating is less than a second modulus of the second coating.

A resin composition containing a copolymer, the copolymer including a constituent unit represented by a formula (1) below and 0.3 mol % or more and 20.0 mol % or less of a constituent unit represented by a formula (2) below,where, in the formulae (1) and (2): R1 is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; L1 and L2 are each independently a single bond or an alkylene group having 1 to 3 carbon atoms; and X1 is a reactive group selected from groups represented by a structural formula (2-1) and a structural formula (2-2) below.

A decorative sheet with improved heat resistance, scratch resistance, and stain resistance is provided. The decorative sheet (1) includes a primary film layer (2) and a surface protective layer, in which the surface protective layer includes a first gloss-adjustment layer (5) provided on the primary film layer (2) and containing a cured product of a first ionizing radiation-curable resin, and a second gloss-adjustment layer (6) partially covering the upper surface of the first gloss-adjustment layer (5) and containing a cured product of a second ionizing radiation-curable resin, the second gloss-adjustment layer has an upper surface with an uneven structure having a ratio RSm / Ra of a mean width RSm of roughness profile elements to an arithmetic mean roughness Ra that is in the range of 10 or more and 600 or less, and the uneven structure includes a plurality of ridge portions each protruding in a ridge shape.

An ophthalmic lens comprising an embedded functional wafer coated with a coating layer on one or both sides, and a method for manufacturing the same. The coating layer may provide adhesion between the functional wafer and the surrounding resin used to form the lens. The coating layer may also protect the functional wafer from degradation during manufacturing, such as chemical attack during thermoforming or exposure to heat. The coating layer may be applied to a flat functional sheet and then molded to a curvature matching the lens, or the coating layer may be applied to a functional wafer that is already curved. The coating layer may comprise a variety of compositions known to provide adhesion, protection from heat, and / or protection from chemicals.

The invention relates to the technical field of coating preparation, in particular to a formula of a cold zinc spraying anticorrosive coating. The high-performance zinc-aluminum alloy material is prepared by mixing the following raw materials in parts by weight: 1400 to 2700 parts of zinc powder, 1100 to 1500 parts of zinc silicate, 1300 to 2500 parts of aluminum powder, 1100 to 2100 parts of acrylic resin, 1600 to 2000 parts of graphene oxide, 1500 to 1800 parts of polycarbonate and 1000 to 1300 parts of ethylene glycol monomethyl ether. The invention has the following beneficial effects: the zinc powder is used as a main functional filler, can play a role in sacrificial anode protection on the substrate metal under the conditions of coating damage and the like, and delays the corrosion process of the substrate metal through preferential corrosion of the zinc powder; zinc silicate contributes to improving the structural stability of the coating, meanwhile, the zinc silicate and zinc powder have a synergistic effect in an anti-corrosion system, the protection effect on a substrate is enhanced, part of micro-pores in the coating can be filled, and invasion of a corrosive medium is blocked; and the aluminum powder can further improve the oxidation resistance of the coating and the adhesive force to substrate metal, and can participate in formation of a stable protective film layer to a certain extent, so that the overall corrosion resistance is improved.

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).

The present invention relates to curable photochromic compositions comprising: at least a difunctional oxazoline functional material; at least a difunctional first carboxylic acid functional material; an optional second carboxylic acid functional material having at least three carboxylic acid groups, optionally comprising a carboxylic acid functional polymer; and a photochromic compound. The curable photochromic compositions have an equivalent ratio of oxazoline equivalents of the oxazoline functional material to total carboxylic acid equivalents of the first and optional second carboxylic acid functional materials of from 0.5:1 to 10:1 when the second carboxylic acid functional material is absent and from 0.5:1 to 3:1 when the second carboxylic acid functional material is present. More particularly, the present invention relates to curable photochromic adhesive compositions and curable photochromic coating compositions.

An aqueous polyol dispersion and preparation method thereof and application thereof is provided. The aqueous polyol dispersion of the present application includes a polycarbonate diol, a non-ionic emulsifier and water; wherein, the polycarbonate diol is at least one type of a polycarbonate diol including (a), (b) and (c), wherein: (a) is a terminal hydroxyl group; (b) is a repeating unit represented by formula; (c) is at least one of a repeating unit represented by formula, a repeating unit represented by formula and a repeating unit represented by formula; the non-ionic emulsifier is at least one emulsifier including alternating polyoxyethylene segment and polyoxypropylene segment, and a molar ratio of the polyoxyethylene segment to a sum of the polyoxyethylene segment and the polyoxypropylene segment is 35-85%.

The invention provides a polymerizable eutectic antistatic agent as well as a preparation method and application thereof in decorative paper. The antistatic agent is prepared from the following raw materials in parts by weight: 20 to 30 parts of polyurethane, 30 to 40 parts of polyaniline, 15 to 25 parts of n-butyl alcohol, 1 to 3 parts of catalyst, 12 to 16 parts of diethanol amine, 24 to 30 parts of graphite, 15 to 25 parts of polycarbonate, 20 to 40 parts of modified epoxy resin, 18 to 28 parts of glycerol, 15 to 25 parts of acetone, 8 to 14 parts of curing agent, 15 to 25 parts of sodium hydroxide solution, 10 to 20 parts of diethyl carbonate and 18 to 26 parts of bisphenol A. An oil film formed by the obtained antistatic agent is stable in performance, the resistivity value only changes slightly along with time, and the antistatic effect is lasting.

The application provides a Micro-LED laser mass transfer release material and a preparation method and application thereof.The Micro-LED laser mass transfer release material comprises the following components with mass percentage: a compound containing an azobenzene group 10-30%, an auxiliary resin 10-30%, a coupling agent 0.1-5%, and a leveling agent 0.05-2%.The application solves the technical problem of release defects caused by poor adhesion and poor high-temperature process resistance of the laser mass transfer release material used in the Micro-LED mass transfer process by designing the specific composition of the Micro-LED laser mass transfer release material and using the compound containing the azobenzene group.

The invention belongs to the technical field of automobile films, and particularly relates to a novel automobile film which comprises a back glue layer, a glue layer, a TPU base material layer, a self-repairing coating and a PET protective layer, the glue layer is arranged at the upper end of the back glue layer, the TPU base material layer is arranged at the upper end of the glue layer, the self-repairing coating is arranged at the upper end of the TPU base material layer, and the PET protective layer is arranged at the lower end of the TPU base material layer. Compared with a traditional automobile film, the automobile film can be tightly attached to the outer portion of paint, meanwhile, when the automobile film needs to be torn off, the viscosity between the automobile film and the automobile paint does not cause damage to the paint on the surface of an automobile, and therefore the use effect is better, the service life is prolonged, and the service life of the automobile film is prolonged. And the paint has more excellent protectiveness on automobile paint, and is more suitable for new energy automobiles at the present stage.

The application 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 weight components: 74.95-81.99 parts of a solvent, 10-15 parts of a modified polycarbonate resin, 8-10 parts of a charge transport material, and 0.01-0.05 parts of silicon oil. The preparation method comprises the following steps: adding the modified polycarbonate resin into tetrahydrofuran solvent, stirring and dispersing, adding the charge transport material and the silicon oil into the tetrahydrofuran solvent, and stirring and uniformly mixing to obtain the modified polycarbonate coating for the photosensitive drum. The prepared modified polycarbonate coating can solve the problem of bottom ash appearing in long-time charging and discharging in the prior art, and has a wide application prospect in the photosensitive drum.