Abstract: The present invention relates to an aqueous gravure ink containing a pigment, a water-soluble organic solvent, a surfactant and water, in which the water-soluble organic solvent contains a glycol ether having a boiling point of 100 to 260° C.; the surfactant contains a silicone-based surfactant containing a specific constitutional unit; a content of the water-soluble organic solvent in the ink is 1 to 10% by mass; and a content of water in the ink is 50 to 80% by mass. This ink exhibits a less burden on the environments, and is excellent in optical density and drying properties.

Abstract: An aqueous coating composition having good freeze-thaw stability and providing coatings with good stain resistance.

Abstract: Provided is a laser welded body which can be manufactured without undergoing complicated steps and maintain the characteristics of a resin contained in a resin member, which exhibits high welding strength even when scanned with a laser beam at a high speed, and which can be manufactured at high production efficiency. The laser welded body 10 comprises a first resin member 1 which is a laser-irradiated subject which contains a thermoplastic resin and nigrosine sulfate and has an absorbance a1 of 0.09 to 0.9; and a second resin member 2 which contains a thermoplastic resin as the same kind as or different kind from the thermoplastic resin and a laser beam absorbent, and has an absorbance a2 of 3.0 to 15, wherein the first resin member 1 and the second resin member 2 are laser-welded at a part at which the both resin members are overlapped and/or butted.

Abstract: Provided is a laser welded body which can be integrated through a laser-welding step without undergoing complicated steps even through use of the same or difference resin members each other, which has excellent welding strength between the resin members, which maintains the characteristics of a resin contained in the resin member and which exhibits the high welding strength by improving meltability of the resin members yet under a laser-welding condition of a medium and high scan speed. A laser welded body comprises a resin member(s) which contains a thermoplastic resin and nigrosine sulfate having a sulfate ion concentration of 0.3 to 5.0% by mass and has an absorbance a of 0.09 to 0.9, an adjoined part where the resin member(s) is overlapped and/or butted, and at least a part of the adjoined part is laser-welded.

Abstract: The invention relates to azo pigment mixtures which contain at least one azo pigment of formula (IIIa) and at least one azo pigment of formula (IIIb) where X1, Y, Z1 and V in formula (IIIa) and formula (IIIb) are independent of each other and are defined as described, and the azo pigments of formula (IIIa) and formula (IIIb) are different.

Abstract: Naphthol AS-pigments of formula (I), wherein R1 represents methyl or C3-C8-alkyl; R2 represents hydrogen or C1-C4-alkyl; Y represents C1-C4-alkyl or C1-C4-alkoxy; and Z? represents hydrogen, phenyl, naphthyl, or substituted phenyl or substituted naphthyl, wherein the number of substituents can be 1, 2, 3 or 4 and are selected from the group consisting of halogen, nitro, cyano, C1-C4-alkoxycarbonyl, carbamoyl, C1-C4-alkylcarbamoyl, di(C1-C4)-alkylcarbamoyl, phenylcarbamoyl, sulfamoyl, phenylsulfannoyl, C1-C4-alkylsulfamoyl, di(C1-C4)-alkylsulfamoyl, C1-C4-acylamino, C1-C4-alkyl and C1-C4-alkoxy.

Abstract: A method of joining a metal and a plastic member, a method of joining a CFRP member and a plastic member, a method of joining a metal and a CFRP member through a plastic member, in particular a method of joining members able to join members by a faster joining speed and able to give a joined member excellent in joining strength are provided. A method of joining a metal and a plastic member by overlaying a metal and a plastic member and joining them by firing a laser beam from the plastic member side, comprising overlaying the plastic member and glass through which the laser beam will pass on the metal in that order and firing the laser beam from the plastic member side through the glass at a joining location where the metal and the plastic member are overlaid to join them by a joining speed of 0.5 m to 5.0 m/min.

Abstract: The present invention relates to the use of coating compositions for coating fiber cement boards, which contain at least one acrylate based aqueous polymer dispersions as a binder. The present invention further relates to specific acrylate based aqueous polymer dispersions and to a process for preparing these specific acrylate based aqueous polymer dispersions.

Abstract: A polymeric composition includes a diene elastomer; an azodicarboxy compound; and a reinforcing filler comprising silica. The composition is not foamed. A method for preparing a polymeric composition includes mixing in one or more steps: a diene elastomer; an azodicarboxy compound; and a reinforcing filler. The mixing temperature is less than 160° C. in mixing steps in which the azodicarboxy compound is present. In an embodiment, the mixing temperature is kept below the decomposition temperature of the azodicarboxy compound.

Abstract: A multilayer coating film includes a lower coating film 5 containing a colorant, and an upper coating film 6. If the upper coating film 6 has a refractive index n1 of greater than or equal to 1.2 and less than or equal to 1.5, the ratio n1/n2 of the refractive index n1 of this upper coating film 6 to the refractive index n2 of the lower coating film 5 is set to be greater than or equal to 0.67 and less than or equal to 1. If the upper coating film has a refractive index n1 of greater than or equal to 1.6 and less than or equal to 3.0, the refractive index ratio n1/n2 is set to be greater than 1 and less than or equal to 1.67.

Abstract: The invention relates to a composition for printing ink. The composition relates more particularly, to—a lithographic-printing ink, for instance a so-called heatset ink, suitable for printing newspapers, leaflets, magazines as well as packaging material. On the basis of this composition according to the invention, the use of mineral oil in the composition for printing ink can be substantially dispensed with.

Abstract: An inkjet recording ink, including: water; a water-soluble solvent; a pigment; and a phosphoric acid group-containing copolymer, wherein the phosphoric acid group-containing copolymer contains at least a structural unit represented by General Formula (1) and a structural unit represented by General Formula (2): where in General Formula (1), R1 represents a hydrogen atom or a methyl group, M+ represents a proton, an alkali metal ion, or an organic ammonium ion, k and l are each an integer of 0 to 6, with the proviso that the case where k and l are 0 at the same time is excluded, where in General Formula (2), R2 represents a hydrogen atom or a methyl group, R3 represents an alkyl group having 1 to 4 carbon atoms, n and m are each an integer of 0 to 30, with the proviso that n+m is 2 to 30.

Abstract: Disclosed is an ink composition including: (1) a pigment; (2) a polymerization initiator having a content of 2% by mass or more with respect to a total amount of the composition and having a solubility with respect to pure water at 25° C. of 5 to 8 g/l; (3) a compound A that is at least one selected from the group consisting of dimethylacrylamide, diethylacrylamide, N-isopropylacrylamide, dimethylacetamide, N-ethylpyrrolidone, 1-cyclohexyl-2-pyrrolidone, 1-(2-hydroxyethyl)-2-pyrrolidone, 1,3-dimethyl-2-imidazolidinone, tetramethylurea and gamma-valerolactone; (4) a polymerizable compound having two or more ethylenically unsaturated double bonds; and (5) water having a content of 50% by mass or more with respect to the total amount of the composition.

Abstract: An intermediate transfer member containing a blend of materials including a base polymer and a stimulus-responsive additive, an intermediate transfer member containing a first layer including a base polymer and a second layer grafted onto the first layer and including a stimulus-responsive additive, and a method of printing an image to a substrate.

Abstract: A polymeric dispersant obtained or obtainable by copolymerising a monomer composition comprising at least the components: i) benzyl (meth)acrylate; ii) propylene glycol (meth)acrylate; wherein the weight ratio of component i) to component ii) is greater than 10:1.

Abstract: A photosensitive resin composition contains: (a) an alkali-soluble polyimide; (b) a compound which has two or more epoxy groups and/or oxetanyl groups in each molecule; and (c) a quinonediazide compound. Less than 10 parts by weight of an acrylic resin is contained per 100 parts by weight of the polyimide (a); and the content of the compound (b) is not less than 20 parts by weight per 100 parts by weight of the polyimide (a).

Abstract: An object of the present invention is to provide: a pigment dispersion liquid for inkjet ink, which is stable for a long period of storage and which increases repellency to ink ejection surface. Disclosed is a pigment dispersion liquid for inkjet ink, comprising: a pigment; a pigment dispersing agent; and a compound having an ethylenically unsaturated double bond, wherein the pigment dispersing agent has an amine value of 20 mgKOH/g or less and an acid value of 10 mgKOH/g or less, contains one or more components selected from the group consisting of: a copolymer having a styrene-derived repeating unit, a repeating unit derived from an unsaturated fatty acid having 12 or more carbon atoms, and a repeating unit derived from a polyalkylene oxide having an ethylenically unsaturated double bond; a specific salt of the copolymer and an amine derivative of the copolymer.

Abstract: The present disclosure is directed to a base film having a thickness from 8 to 152 microns, a 60 degree gloss value from 2 to 35, an optical density greater than or equal to 2 and a dielectric strength greater than 1400 V/mil. The base film comprises a chemically converted (partially or wholly aromatic) polyimide in an amount from 63 to 96 weight percent of the base film. The base film further comprises a pigment and a matting agent. The matting agent is present in an amount from 1.6 to 10 weight percent of the base film, has a median particle size from 1.3 to 10 microns, and has a density from 2 to 4.5 g/cc. The pigment is present in an amount from 2 to 35 weight percent of the base film. The present disclosure is also directed to coverlay films comprising the base film in combination with an adhesive layer.

Abstract: Provided is a method of forming an antifouling coating film including the steps of [1] preparing a colored antifouling paint containing a prescribed Si-containing hydrolyzable resin and a color pigment such that a coating film having a target dry film thickness T completely hides a surface of an object to be coated, the colored antifouling paint has a color difference ?E1 between the coating film having the thickness T and a coating film having a dry film thickness of 0.8 T, at least 2.0, and preferably the colored antifouling paint has a color difference ?E2 between the coating film having the thickness T and a coating film having a dry film thickness of 1.2 T, less than 1, and [2] coating a surface of the object with the colored antifouling paint until the surface of the object is completely hidden by the coating film formed from the colored antifouling paint.

Abstract: The present invention is an aqueous pigment dispersion liquid for inkjet comprising a pigment and a pigment dispersant. The pigment dispersant is at least any one of a graft copolymer and a block copolymer each comprising a polymer chain A and a polymer chain B, wherein the polymer chain A comprises 20 to 60 mass % of a constituent unit derived from a first cycloalkyl group-containing (meth)acrylate, 10 to 35 mass % of a constituent unit derived from (meth)acrylic acid, and 5 to 70 mass % of a constituent unit derived from another (meth)acrylate and the polymer chain B comprises at least any one of a constituent unit derived from a second cycloalkyl group-containing (meth)acrylate and a constituent unit derived from a vinyl monomer or (meth)acrylate having an aromatic ring.

Abstract: To provide an inkjet ink containing: a water-dispersible colorant; a surfactant; a penetrating agent; a water-dispersible resin; a wetting agent containing at least polyhydric alcohol having an equilibrium moisture content of 30% by mass or higher at 23° C., 80% RH; a compound represented by the general formula (1); water; and at least one selected from the group consisting of a compound represented by the general formulae (2) to (4), wherein the water-dispersible colorant is at least one selected from the group consisting of a self-dispersible pigment, a pigment dispersed by a pigment dispersing agent, and resin particles each containing a pigment, wherein a total amount of the water-dispersible colorant and the water-dispersible resin is 8% by mass to 35% by mass, and wherein a mass ratio of the water-dispersible resin to the water-dispersible colorant is 2 to 8.

Abstract: The present invention relates to a (meth)acrylated compound (A) prepared from: (i) a polyol constituent, (ii) a polyacid constituent and (iii) one or more (meth)acrylating compounds, wherein the polyol constituent comprises at least 30% by weight of one or more cyclic ether polyols, relative to the total weight of the polyol constituent, and wherein the compound (A) optionally further contains one or more moieties selected from the group consisting of (poly)caprolactone-containing moieties (ai), (poly)lactide- and/or (poly)glycolide-containing moieties (aii), moieties providing epoxide groups (aiii) and moieties providing alkylene oxide groups containing from 2 to 4 carbon atoms (aiv). The compounds of the invention are in particular suited for the making of radiation curable coating compositions and inks less prone to migration.

Abstract: Provided are an aqueous coloring agent dispersion for inkjet which achieves high pigment concentration, exhibits favorable redispersion properties after drying, and does not exhibit changes in ink properties even when stored for a long time; and an ink composition using the aqueous coloring agent dispersion. This aqueous coloring agent dispersion contains a coloring agent (I), a liquid medium (II), and a polymer dispersion agent (III). The polymer dispersion agent (III) is an A-B block polymer obtained by copolymerizing via a living radical polymerization method, by using a mixture of an organic tellurium compound represented by formula (1) and an organic ditellurium compound represented by formula (2), or the like, as a polymerization initiator. Therein, the monomer for configuring the A block is at least one type of monomer represented by formula (3), and the monomer for configuring the B block is benzyl methacrylate and/or benzyl acrylate.

Abstract: This invention relates to coloured polymer particles prepared by a reverse emulsion solvent removal process, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids.

Abstract: Disclosed are a resin-treated pigment characterized in that the resin-treated pigment comprises a pigment and a polymer of an unsaturated bond-containing monomer, a weight ratio of the pigment to the polymer (pigment:polymer) is from 50 to 95 to from 5 to 50, and the polymer is a block copolymer comprising from 5 to 70 mass % of an addition-polymerizable monomer having a UV-absorbing group; a production process of the resin-treated pigment; and a pigment dispersion using the resin-treated pigment.

Abstract: The present invention provides a pigment dispersant that can improve the dispersion of an azo pigment in a water-insoluble solvent. The present invention relates to a compound having a bisazo moiety and a polyester moiety.

Abstract: The ink set of the invention includes a first ink composition and a second ink composition. The first ink composition contains a first pigment and an alkanediol having 6 or less carbon atoms and having a normal boiling point of 245° C. or more. The content of the first pigment is 1.5% by mass or more, and the content of the alkanediol is 3% by mass or more and 20% by mass or less. The second ink composition contains a second pigment and a penetrant other than the alkanediol. The content of the second pigment is less than 1.5% by mass. The penetrant contained in the second ink composition has an osmotic force higher than that of the alkanediol contained in the first ink composition.

Abstract: A description is given of an aqueous polymer dispersion comprising at least one polyurethane, dispersed in aqueous phase and having one or more uretdione groups, and at least one solid polyamine with a deactivated surface, said dispersion being useful as an adhesive, coating material or sealant or for producing adhesive, coating or sealing compositions. The compositions can be activated thermally or by electromagnetic radiation.

Abstract: An inkjet recording ink, including: water; a water-soluble solvent; a pigment; and a phosphate group-containing copolymer, wherein the phosphate group-containing copolymer includes a structural unit represented by the following general formula (1) and a structural unit represented by the following general formula (2): wherein, in the general formula (1), R1 represents either of a hydrogen atom and a methyl group; and M+ represents any of an alkali metal ion, an organic amine ion and a hydrogen ion, one-half or more of the M+ in the copolymer is an alkali metal ion or an organic amine, and the remainder is a hydrogen ion; wherein, in the general formula (2), R2 represents either of a hydrogen atom and a methyl group.

Abstract: An ink set includes a first ink composition, and a second ink composition, in which the first ink composition contains a first pigment, and an alkyl diol having carbon atoms of 6 or less and a normal boiling point of 240° C. or more, the second ink composition contains a second pigment, and the alkyl diol, in the first ink composition, a content of the first pigment is 2.5% by weight or more, and a content of the alkyl diol is 3% by weight to 15% by weight, in the second ink composition, a content of the second pigment is less than 2.5% by weight, and the content of the alkyl diol is 8% by weight to 30% by weight, and the content of the alkyl diol in the second ink composition is greater than the content of the alkyl diol in the first ink composition.

Abstract: Curable compositions are prepared from polyol components containing one or more polyols and isocyanate components containing one or more isocyanates, which compositions contain at least one indicator having at least one quinonoid group, which indicator signifies the degree of curing by a change of color. A method is also provided for indicating the progress of curing in such curable compositions.

Abstract: Encapsulated nanoscale particles of organic pigments include a polymer-based encapsulating material, and one or more nanoscale organic pigment particles encapsulated by the polymer-based encapsulating material. Such encapsulated nanoscale particles of organic pigments can be made by providing nanosized organic pigment particles comprised of surface-associated sterically bulky stabilizer compounds; providing a copolymer material comprising organic pigment-affinic functional groups and non pigment affinic monomer units; associating the nanoscale organic pigment particles with the copolymer material so as to effect a deposited layer or shell of the copolymer material around said nanoscale organic pigment particles, thereby producing an encapsulated nanoscale organic pigment particle; and optionally further reinforcing the encapsulated nanosized organic pigment particle with one or more surface treatments.

Abstract: The invention relates to colorant compositions, and aqueous latex paints or other water-borne coatings made from them, which have a mitigated environmental impact. Levels of solvents, additives and impurities comprising volatile non-aqueous constituents, alkylphenol ethoxylates (and derivatives thereof), crystalline silica, and/or formaldehyde are decreased relative to those typical of preceding generations of colorants and tinted aqueous latex paints and other water-borne coatings. On the other hand, paint-performance as indicated by any of Stormer viscosity stabilization, rheological profile flow/leveling and sag resistance, water sensitivity and color transfer resistance is comparable to a paint in which the aforementioned solvents, additives and impurities are still present.

Abstract: A polylactic acid resin composition excellent in impact resistance, migration resistance, and heat resistance, and excellent in productivity at the time of the mold forming thereof, and a resin molded article thereof. The polylactic acid resin composition includes a polylactic acid; a reaction product of at least one selected from the group consisting of sorbitol, mannitol, and dehydration condensates thereof, an alkylene oxide mainly formed of ethylene oxide, and a fatty acid having 12 to 24 carbon atoms; and a crystal nucleating agent comprising at least one compound selected from: an organic phosphonic acid salt compound, an amide compound having a ring structure, an organic hydrazide compound, an organic sulfonic acid salt compound, a phthalocyanine compound, and a melamine compound.

Abstract: The present invention relates to a fluorine-containing polymer comprising a structure represented by the following general formula (I), as well as the preparation process and use thereof. According to the technical solution of the invention, a novel fluorine-containing polymer with a larger molecular weight and an aromatic side group is obtained through a simple reaction, and it can be used as a non-ionic fluorine carbon surfactant, and especially, is applicable to the preparation of a pigment dispersion. Additionally, the invention further relates to a pigment dispersion and the preparation process thereof.

Abstract: An encapsulating composition for a light emitting element, a light emitting diode (LED) and a liquid crystal display device (LCD) are provided. A silicone-cured product included as a main ingredient and a conductivity-providing agent having excellent compatibility and capable of providing superior conductivity can be used to significantly reduce the surface resistivity of the silicone-cured product. Therefore, the encapsulating composition for a light emitting element, the LED and the LCD can be useful in solving the problems regarding attachment of a foreign substance such as dust due to static electricity, and degradation of transparency since the composition has low surface resistivity when used as a semiconductor encapsulation material for an LED, and also in providing a cured product having excellent properties such as light resistance, heat resistance, durability and optical transparency.

Abstract: Provided is an inkjet pigment ink which contains a pigment that is selected from the group consisting of C.L. Pigment Yellow 74 having a transmittance of 70% or more, C.I. Pigment Red 269 having a transmittance of 70% or more, C.I. Pigment Red 122 having a transmittance of less than 70% and C.I. Pigment Yellow 150; a water-soluble solvent that is selected from the group consisting of glycol ethers and diols; water; and a pigment dispersing resin that is a copolymer which contains a monomer A, a monomer B and a monomer C as unit components. The monomer A is an alkyl (meth)acrylate ester; the monomer B is styrene, ?-methyl styrene or benzyl (meth)acrylate; and the monomer C is (meth)acrylic acid.

Abstract: A yellow ink composition includes a particulate pigment; a dispersant; a water-soluble solvent; and water, wherein the ink composition satisfies the following relationship: 0.02?Y/X?0.07??(1) wherein X represents a maximum absorbance of the ink composition at a wavelength of from 400 to 450 nm; and Y represents an absorbance thereof at a wavelength of 500 mm.

Abstract: The organic EL display element is constituted by having a substrate, a TFT disposed on the substrate, a protective film covering the TFT, an anode disposed on the protective film, an organic luminescent layer disposed on the anode, a bank that defines an arranging area for the organic luminescent layer, and a cathode disposed on the organic luminescent layer. At least one of the protective film and bank is constituted as a cured film that is formed by using a radiation-sensitive resin composition containing a resin and a compound having a quinonediazide structure, contains a resin and at least one of a compound having a quinonediazide structure and a compound having an indenecarboxylic acid structure, and has an excellent patterning property.

Abstract: The invention relates to a solid pigment preparation containing A) 5% to 99% by weight of PY 155 and B) 1% to 95% by weight of copolymer containing the following structural units: (i) 1 to 70 mol % of structural unit B1 (ii) 1 to 70 mol % of structural unit B2 (iii) 1 to 70 mol % of structural unit B3

Abstract: Disclosed is an emulsion binder containing an A-B block copolymer. The A-B block copolymer has a number average molecular weight of 5,000 to 100,000, and a polydispersity index (weight average molecular weight/number average molecular weight) of not greater than 1.7. The polymer block A has an acid value of 0 to 30 mgKOH/g and a glass transition point of not higher than 60° C. The polymer block B has an acid value of 75 to 250 mgKOH/g. The A-B block copolymer has been neutralized with an alkaline material, and has been allowed to self-emulsify in an aqueous medium to form emulsion particles having an average particle size of 30 to 300 nm.

Abstract: This invention provides a rubber composition highly balancing flexibility at a low temperature and a low rolling resistance, which is formed by compounding a low-molecular weight conjugated diene-based polymer (B) having at least one functional group, an aromatic vinyl compound content of less than 5% by mass and a weight average molecular weight as measured without terminating by modification through a gel permeation chromatography and converted to polystyrene of not less than 2,000 but less than 150,000 and a filler (C) into a high-molecular weight rubber component (A) having a weight average molecular weight as measured without terminating by modification through a gel permeation chromatography and converted to polystyrene of not less than 150,000.

Abstract: The present invention relates to an adhesive composition for a wafer processing film, a wafer processing film, and a semiconductor wafer processing method. In the semiconductor wafer processing process such as a dicing process or a back grinding process, a delaminating force with respect to a wafer to be attached may be effectively reduced to improve process efficiency and prevent the wafer from being warped or cracked.

Abstract: A paint comprising a latex base, organic pigment, and an aqueous solution resin solid with improved stability to atmospheric pollutants.

Abstract: A pigment preparation is provided, said preparation comprises an organic pigment comprising a chromophore Q1 and a derivative thereof comprising specific organic substituents via an aliphatic carbon atom in an amount of from 0.1 to 30 mol, based on 100 mol of the organic pigment as well as a process for its preparation and to its use in coloring an organic material such as plastics, coatings or inks.

Abstract: A colloidal pigment dispersion composition comprising: water; dispersed pigment particles; a first polymer dispersant comprising units derived from an acrylate or methacrylate monomer having an alkyl group with 12 or more carbons and units derived from an ethylenicaly unsaturated monomer comprising a carboxylic acid substituent; and a second polymer dispersant comprising units derived from a monomer comprising an aromatic group containing substituent and units derived from an ethylenicaly unsaturated monomer comprising a carboxylic acid substituent, wherein the second polymer dispersant does not comprise units derived from an acrylate or methacrylate monomer having an alkyl group of 12 or more carbons, and wherein the second polymer dispersant has an acid number less than 270.

Abstract: A dispersion of an encapsulated particulate solid is described, which is obtained by a process comprising the steps of providing a dispersion comprising a particulate solid, a liquid medium and a dispersant which is obtained or obtainable by copolymerising a monomer composition; and cross-linking the dispersant in the presence of the particulate solid and the liquid medium, thereby encapsulating each particulate solid particle within a cross-linked dispersant shell.

Abstract: A resin composition, containing: (A) polyolefin; (B) a saponified ethylene-vinyl acetate copolymer having an ethylene content of from 20 to 65 mol % and a degree of saponification of vinyl acetate units of 96% or more; (C) a saponified ethylene-vinyl acetate copolymer having an ethylene content of from 68 to 98 mol % and a degree of saponification of vinyl acetate units of 20% or more; and a pigment (E), wherein a mass ratio (A/B) is from 3 to 99.5, a mass ratio (B/C) is from 1 to 100, a mass ratio (E/C) is from 0.04 to 50, and a content of (C) is from 0.01 to 2.4 parts by mass based on 100 parts by mass of (A) and (B). A molded product, in particular a multilayered structure, obtained by melt molding the resin composition has good dispersibility of the pigment, and improved uneven coloration.

Abstract: Disclosed is a photosensitive resin composition which has excellent transparency, heat resistance, thermal discoloration resistance, adhesion to a substrate and electrical characteristics, while exhibiting good developability and storage stability. Specifically disclosed is a photosensitive resin composition which contains the following components (A), (B) and (C). (A) a copolymer which contains (a1) hydroxyphenyl (meth)acrylate and (a2) an unsaturated epoxy compound as copolymerization components (B) a novolac resin which contains one or more phenols selected from among dimethylphenol, trimethylphenol, methylpropylphenol, dipropylphenol, butylphenol, methylbutylphenol, dibutylphenol, and 4,4?-dihydroxy-2,2?-diphenylpropane (C) a quinonediazide group-containing compound.

Abstract: Heavy metal-free compostable polymers, composites and articles anaerobically biodegrade in landfills in a relatively short time. Heavy metal-free composite polymeric articles and sheets such as indoor or outdoor signs, billboards, banners, images, protective barriers, backdrops and wall coverings have very useful service durations and yet are landfill biodegradable.