Abstract: A dyeing method comprising a process of treating a cellulose fiber textile product with cationic compound and another process of treating the thus-treated textile product by immersing it in a dispersion containing thermochromic material and/or photochromic material.

Abstract: A novel methacrylic resin shaped article is made of novel compositions comprising (A) 80 to 99.9% by weight of methyl methacrylate polymer or copolymer, which forms continuous phase, and (B) 0.1 to 20% by weight of a polymer obtained from at least one unsaturated monomer of the general formula ##STR1## wherein R.sub.1 is H or methyl group and R.sub.2 is a hydrocarbon radical of at least two carbon atoms, a derivative or monomer mixture thereof, the respective refractive indexes (n.sub.A) and (n.sub.B) of said (A) and (B) polymers satisfying the relation of 0.998.ltoreq.n.sub.B /n.sub.A .ltoreq.1.002. The above shaped article has a latent mat surface, which therefore may be converted to a mat surface merely by means of stretching at a temperature above heat distortion temperature.

Abstract: A vinyl chloride polymer having an excellent workability, lubricating property, and gelling property comprises (1) from 80 to 99.95 weight % of a polymeric ingredient (I) consisting of polyvinyl chloride and/or a copolymer of 80 weight % or more of vinyl chloride with 20 weight % or less of another comonomer and (2) from 0.05 to 20 weight % of a polymeric ingredient (II) consisting of at least one three-stage emulsion polymerization product prepared by first polymerizing, in the presence of a polymeric component (a) consisting of polymethyl methacrylate and/or a copolymer of 50 weight % or more of methyl methacrylate and 50 weight % or less of another comonomer, from 40 to 70 parts by weight of a first monomeric component (b) consisting of an alkyl acrylate (C.sub.1-18) and/or benzyl acrylate or a mixture of 30 weight % or more of an alkyl acrylate (C.sub.1-18) and/or benzyl acrylate with 70 weight % or less of an alkyl methacrylate (C.sub.

Abstract: A methacrylic resin having reduced water absorption properties, useful in optical instruments and as information recording substrates, is produced by polymerizing a mixture consisting of (A) 50 to 85% by weight of a methyl methacrylate, (B) 15 to 50 by weight of a cyclohexyl methacrylate and (C) 0 to 30% by weight of the other copolymerizable with said monomer (A) and (B), or partially polymerized product thereof.

Abstract: A coating composition comprising a polyfunctional monomer (a) having at least 3 (meth)acryloyloxy groups, a (meth)acrylic acid mono or diester of polyethyleneglycol (b), a sulfonic acid (c), a phosphoric acid ester (d), an ethanolamine (e), organic solvent, and a photosensitizer.

Abstract: A methacrylic resin having a high solar radiant energy absorbing property wherein an organic compound (A) containing cupric ion and a compound (B) having at least one P-O-H bond in a molecule are contained into the methacrylic resin selected from poly(methyl methacrylate) or methacrylic polymers containing at least 50% by weight of a methyl methacrylate unit. A process for producing said methacrylic resin is also disclosed.

Abstract: A radiation-shielding plastic material having an excellent transparency and superior mechanical properties, is produced by polymerizing, in the presence of a lead compound, a mixture of a vinyl monomer component (A) consisting of at least one member selected from alkyl methacrylates and acrylates, hydroxyalkyl methacrylates and acrylates and styrene and an organic acid component (B) containing, as an indispensable ingredient, at least one member selected from the compounds of the formulae (I) through (IV): ##STR1## wherein R.sub.1 =C.sub.1-10 hydrocarbon radical, R.sub.2 =C.sub.1-7 hydrocarbon radical, R.sub.3 and R.sub.4 =H or CH.sub.3, R.sub.5 =C.sub.2-7 hydrocarbon radical, R.sub.6 =C.sub.1-3 hydrocarbon radical and n=0.about.4.

Abstract: Coating compositions comprising a polyfunctional monomer of a mono or polypentaerythritol poly(meth)acrylate, a bifunctional (meth)acrylate having specific monomer structure, an additional (meth)acrylate containing not more than 2 (meth)acryloyloxy groups, a phosphoric acid ester and an ethanolamine all blended together in a suitable organic solvent system together with a photosensitizer are disclosed. The compositions provide a scratch-resistant, hard cross-linked film surface that is dyeable and resists static and fogging to a synthetic resin article, such as polymethyl methacrylate, to which they are applied.

Abstract: A coating composition comprising a monomer mixture of mono- or polypentaerythritol hving at least three (meth) acryloyloxy groups and at least one monofunctional acrylate or methacrylate having at least one ether bond in the molecule, a boiling point above 150.degree. C. under normal pressure and a viscosity below 20 centipoises at 20.degree. C., a photosensitizing agent, at least one silicon containing surface active agent and at least one organic solvent capable of forming a uniform solution upon mixing with the vinyl monomer mixture. Also disclosed is a process of coating surfaces with the coating compositions.

Abstract: A coating composition comprising a polyfunctional monomer (a) having at least 3 (meth)acryloyloxy groups, a (meth)acrylic acid mono or diester of polyethyleneglycol (b), a sulfonic acid (c), a phosphoric acid ester (d), an ethanolamine (e), organic solvent, and a photosensitizer.

Abstract: This invention relates to a coating composition which comprises a polyfunctional monomer having at least three acryloyloxy groups and/or methacryloyloxy groups in one molecule, a monomer having not more than two acryloyloxy groups, and/or methacryloyloxy groups in one molecule and optionally a photosensitizer and which can form a crosslink-hardened film excellent in abrasion resistance upon curing by irradiation with actinic radiation in air and a method for producing a synthetic resin molded product having an abrasion resistant surface.

Abstract: This invention relates to a coating composition which comprises a polyfunctional monomer having at least three acryloyloxy groups and/or methacryloyloxy groups in one molecule, a monomer having not more than two acryloyloxy groups and/or methacryloyloxy groups in one molecule and optionally photosensitizer and which can form a crosslink-hardened film excellent in abrasion resistance upon curing by irradiation with actinic radiation in air and a method for producing a synthetic resin molded product having an abrasion resistant surface.

Abstract: This invention relates to a coating composition which comprises a polyfunctional monomer having at least three acryloyloxy groups and/or methacryloyloxy groups in one molecule, a monomer having not more than two acryloyloxy group and/or methacryloyloxy groups in one molecule and optionally a photosensitizer and which can form a crosslink-hardened film excellent in abrasion resistance upon curing by irradiation with actinic radiation in air and a method for producing a synthetic resin molded product having an abrasion resistant surface.

Abstract: A reinforced fire retardant resin composition of improved electrical characteristics, which comprises:A base resin of polytetramethylene terephthalate alone or in admixture with at least one other polymer, a fire retardant combination of a halogen containing compound and an antimony compound, hydrated silica and a reinforcing filler, wherein said halogen containing compound is present in an amount of 3-50 parts by wt. per 100 parts by weight of said base resin, said antimony compound is present in an amount such that the weight ratio of the halogen containing compound to the antimony compound ranges from 0.25 to 6 and the content of said hydrated silica ranges from 0.5 - 10 wt. % of the total resin composition.

Abstract: A thermoplastic graft polymer composition excellent in weather resistance, impact resistance and appearance is obtained by seed-polymerizing 50 to 95 parts by weight of a mixture (b) of 60% by weight or more of at least one acrylic ester, 39.9% by weight or less of at least one monomer copolymerizable therewith and 0.1 to 10% by weight of at least one crosslinking monomer having at least two non-conjugated C .dbd. C bonds in the presence of 5 to 50 parts by weight (solids) of a latex (particle size: 0.04 to 0.24 .mu.) of a crosslinked rigid resin (a) having a glass transition temperature of at least 50.degree. C., a decomposition temperature of at least 240.degree. C.

Abstract: This invention relates to a flame-resistant resin composition improved in arc resistance, comprising polytetramethylene terephthalate, a flame-retardant halogen compound, and sodium antimonate or a sodium antimonate-antimony trioxide mixture containing 40% by weight or more of sodium antimonate, and optionally talc, the amount of the halogen compound being 3 to 50 parts by weight per 100 parts by weight of polytetramethylene terephthalate, the weight ratio of the halogen compound to the total antimony compound being 0.25 to 6, and the amount of talc being 0 to 60% by weight based on the weight of the composition. This composition may also contain a reinforcing filler.

Abstract: A flame-resistant resin composition consisting essentially of 100 parts by weight of polytetramethylene terephthalate, 3 to 40 parts by weight of a flame retardant represented by the general formula, ##SPC1##Wherein n + m is a number of 0 to 10; X is a bromine or chlorine atom; and i, j, k and l are individually an integer of 1 to 4, and antimony trioxide, the weight ratio of said flame retardant to said antimony trioxide being in the range of from 0.25 to 6. This composition is excellent in mechanical properties, thermal properties and moldability, and causes no spread of fire to other materials even when dripped at the time of combustion.