Abstract: Disclosed is a resin composition which is usable for an exterior article without being coated on its surface when molded into the article and is excellent in the color tone and has good impact resistance and weatherability, said composition comprising (I) 10 to 70% by weight of a high-rubber-content graft polymer obtained by polymerizing 50 to 10% by weight of a monomer mixture (C) comprising 10 to 90% by weight of at least one aromatic vinyl monomer and 90 to 10% by weight of at least one ethylenically unsaturated monomer represented by the following general formula:CH.sub.2 .dbd.CRXwherein R stands for a hydrogen atom or methyl group, and X stands for a group --CN or --COOR.sub.1 in which R.sub.1 stands for an alkyl group having 1 to 8 carbon atoms, in the presence of a latex of a multi-layer crosslinked acrylic rubber particles containing 5 to 30% by weight of a rigid crosslinked resin (A) having a core particle size of 0.15 to 0.40.mu.

Abstract: A coating composition curable by an activation energy ray, which comprises (a) 100 parts by weight of a monomer mixture (A) comprising at least 30% by weight of a compound having at least 3 acryloyloxy and/or methacryloyloxy groups in the molecule and up to 70% by weight of a compound having 1 to 2 .alpha.,.beta.-ethylenically unsaturated bonds in the molecule, (b) 0.01 to 6.0 parts by weight of at least one photosensitizer and (c) 0.5 to 30 parts by weight of an emulsion type crosslinked polymer or copolymer of a reactive monomer having one .alpha.,.beta.-ethylenically unsaturated bond in the molecule and a reactive monomer having at least two .alpha.,.beta.-ethylenically unsaturated bonds in the molecule.

Abstract: In a process comprising adding an ethylenic monomer or monomer mixture (B) to a rubbery polymer (A) latex, emulsion-polymerizing it to produce a graft copolymer (C) latex, then adding an acidic substance or an electrolyte to said graft copolymer (C) latex to partially coagulate the latex, thereafter either first adding an ethylenic monomer or monomer mixture (D) and then adding a suspension polymerization stabilizer or simultaneously adding an ethylenic monomer or monomer mixture (D) and a suspension polymerization stabilizer, and carrying out suspension polymerization to obtain a graft copolymer (E) in the form of beads, a process for producing an impact-resistant resin wherein:(1) said rubbery polymer (A) contains at least 60% by weight of a diene monomer component and has a degree of swelling of 10-35, a gel content of 70% by weight or more and a weight average particle diameter of 0.2-0.5.mu. and the major part of the particles has a particle diameter ranging from 0.03.mu. to 1.0.mu.

Abstract: A polymer composition in which an organic polymer and carbon fiber are strongly combined and a process for producing the polymer composition by the electrolytic polymerization of a reactive monomer using the carbon fiber as an electrode, which process is characterized in that the polymerization is carried out by adding an aliphatic epoxy compound, alicyclic epoxy compound, organic titanate compound, or vinylsilane compound, as part or all of the reactive monomer.

Abstract: A multi-layer structure polymer composition having a gel content of at least 50% which is constituted of an innermost layer polymer (A) consisting mainly of alkyl acrylate and having a degree of swelling of 10 or lower, and having a glass transition temperature lower than 10.degree. C., a crosslinked elastomer polymer (B) consisting mainly of alkyl acrylate and having a degree of swelling slightly higher than that of said polymer (A) and having a glass transition temperature not higher than 0.degree. C., said innermost layer polymer (A) and said crosslinked elastomer polymer (B) constituting a double layer elastomer structure polymer, as well as an outermost layer polymer (C) consisting mainly of alkyl methacrylate and having a glass transition temperature not lower than 60.degree. C.

Abstract: Flame retardant reinforced with polyester resin compositions are disclosed glass fiber and a system of flame retardants represented by the following general formulas (I) and (II), together with antimony trioxide. The flame retardant system is a blend of 1-20 parts by weight of component (I), and 2-30 parts by weight of component (II), provided the weight ratio (I)/(II) of the flame retardant component (I) to (II) is in the range of 0.2<(I)/(II)<4, and that the total amount of flame retardants (I) plus (II) is in the range of 3-40 parts by weight. From 2 to 30 parts by weight of antimony trioxide is present and 5 to 60% by weight of glass fiber is also present, these two percentages being expressed on the basis of the weight of the total resin composition. The resin compositions exhibit outstanding mechanical, thermal properties and moldability in addition to being fire retardant.

Abstract: A process for producing an impact resistant graft polymer which comprises first polymerizing a portion of monomer mixture (b) consisting of specified unsaturated acid, alkyl acrylate having C.sub.1 -C.sub.12 alkyl and other copolymerizable monomer (said portion of monomer mixture (b) does not contain said unsaturated acid), followed by consecutively polymerizing the residual portion of monomer mixture (b) (said residual portion of monomer mixture (b) contains said unsaturated acid) to obtain an acid residue-containing copolymer (B) latex, adding 0.

Abstract: A delustered thermoplastic resin composition obtained by incorporating in 100 parts by weight of a thermoplastic resin up to 40 parts by weight of a cross-linked polymer having an average particle diameter of 35-500.mu. which polymer is obtained by suspension-polymerizing a non-crosslinking monomer composition comprising 50-70 wt. % of a vinyl aromatic monomer, 10-40 wt. % of at least one monomer selected from the group consisting of alkyl acrylates having 1-13 carbon atoms in the alkyl group, 10-40 wt. % of a monomer selected from alkyl methacrylates having 1-4 carbon atoms in the alkyl group and 0-40 wt. % of another monoethylenically unsaturated monomer with 0.5-5 parts by weight, per 100 parts by weight of the non-cross-linking monomer composition, of a cross-linking monomer having at least two double bonds in the molecule.

Abstract: A delustered thermoplastic resin composition which comprises 100 parts by weight of a thermoplastic resin (B); and 0.

Abstract: A novel acrylic thermoplastic resin composition, transparent and excellent in flexibility, consisting of at least two different multi-layer structure polymers. Polymer [I] contains an inner layer of crosslinked acrylic elastomer and an outer layer of acrylic resin, wherein the amount of elastomeric inner layer is minor in comparison with the amount of the resin outer layer; polymer [II] has the same fundamental polymer structure as multi-layer structure polymer [I] except that the amount of crosslinked elastomer inner layer is a major amount as compared to the amount of resin outer layer. It is preferred that an intermediate layer having an intermediate property exist between the inner and outer layers of the multi-layer structure polymers.

Abstract: A polymer composition wherein an inorganic substance and an organic polymer are firmly consolidated, which is characterized by being produced by polymerizing a vinyl monomer susceptible to radical polymerization in a polymerization system containing a dispersed inorganic substance in the presence of at least one monomer selected from sulfonic acid monomers, sulfonate monomers, or carboxylic acid monomers represented by the general formula [I] ##STR1## wherein R.sub.1 is a hydrogen atom, alkyl group having 1 to 20 carbon atoms, phenyl group, derivative of phenyl group, or halogen atom, X is CONH, ##STR2## COO(CH.sub.2).sub.m or (CH.sub.2).sub.n (wherein R.sub.2 and R.sub.3 are each a hydrogen atom or alkyl group having 1 to 15 carbon atoms, R.sub.4 is an alkylene group having 1 to 15 carbon atoms, m is an integer of 1 to 20, and n is an integer of 0 to 20), and Y is a hydrogen atom, ammonium radical, or an alkali metal atom, or by the general formula [II] ##STR3## wherein R.sub.

Abstract: A shaped article of synthetic resins, such as polydiethylene glycol bisallylcarbonate, is coated with the following coating composition and then irradiated with ultraviolet rays, whereby the coating composition deposited on the shaped article is cured to form a coating film having an excellent abrasion resistance, surface smoothness, adhesion to the substrate resin, flexibility, heat resistance, solvent resistance and durability. The coating composition comprised of (a) a mixture of, based on the weight of the mixture, (i) 25-99.95 wt. % of at least one polyfunctional monomer having at least three acryloyloxy or methacryloyloxy groups, (ii) 0-50 wt. % of at least one mono- or bi-functional monomer having one or two polymerizable unsaturated groups and (iii) 0.05-25 wt. % of at least one organic acid which has at least one halogen substituent (fluorine, chlorine or bromine) and which is liquid at normal temperature and pressure, and (b) 0.01-10 wt. parts, based on 100 wt.

Abstract: Reinforced resin compositions exhibiting excellent heat resistance and appearance, and containing by weight: (a) at least 30% of a polyethylene terephthalate-type resin, (b) 5 to 60% glass fiber, (c) 0.03 to 5% of one or more salts of organic carboxylic acids with metals of the Groups Ia and IIa of the Periodic Table, and (d) 0.1 to 20% of a sorbitan derivative are disclosed. Optionally liquid or solid paraffin or polyethylene wax is incorporated in an amount of 0.3 to 5% based on the total composition may be incorporated if a white article is desired.Molded articles prepared from these compositions, high in heat resistance and uniform appearance, even if the thickness of the molded article is small or uneven or the molding operation is carried out at a relatively low mold temperature, are also disclosed. Molding temperature dependence and thickness dependence on the heat distortion temperature of the molded article are remarkably improved as well.

Abstract: A coating composition for the preparation of synthetic resin shaped articles excellent in abrasion resistance and weatherability is described. This composition comprises (a) a polyfunctional monomer mixture comprising (i) 25-75 wt. % of at least one polyfunctional monomer of the formula (I): ##STR1## wherein at least three of X.sub.11, X.sub.12, X.sub.13, X.sub.22, X.sub.23 -X.sub.n2, X.sub.n3 and X.sub.14 are CH.sub.2 .dbd.CH.C00-- and the remaining groups are --OH, and n is an integer of 1-5, (ii) 25-75 wt. % of at least one polyfunctional monomer of the formula (II): ##STR2## wherein at least three of the R groups are CH.sub.2 .dbd.CH COO-- and each of the remaining is H or --OH, n.sub.1, n.sub.2, n.sub.3, n.sub.4, m.sub.1, m.sub.2, m.sub.3 and m.sub.4 are integers of 0, 1 or 2, and X is an integer of 1 to 10 and (iii) 0 to 50 wt. % of a monomer containing one acryloyloxy group and having a boiling point of at least 150.degree. C. at normal pressure and a viscosity of not higher than 20 cps/20.degree. C.

Abstract: A cytotoxic protein hybrid obtained by covalently bonding an immunoglobulin or its fragment, which is capable of linking selectively with an antigen possessed by a cell to be destroyed, to a protein, which is obtained from Phytolacca americana and has an activity to terminate protein synthesis. This protein hybrid displays remarkable cytotoxicity against target cells.

Abstract: A composition with high impact resistance and little fish eyes content, comprising 97 to 60 parts by weight of a polyvinyl chloride-base resin and 3 to 40 parts by weight of a graft copolymer obtained by the three-stage graft-polymerization of 65 to 25 parts by weight of a monomer combination (B) comprising 12 to 57% by weight of methyl methacrylate, 1 to 24% by weight of at least one of alkyl acrylates having a C.sub.

Abstract: Polyethylene terephthalate type resin-containing molding compositions reinforced with glass fibers also containing from 0.03 to 5 weight percent of an organic caboxylic acid metal salt such as sodium stearate and an ether compound such as polyoxyethylene monononylphenyl ether present in an amount of from 0.1 up to 20 weight percent in which the average number of recurring alkylene oxide units is from 5 to 200 are disclosed. Also a solid or liquid paraffin or polyethylene wax may be included in an amount of from 0.3 to 5 weight percent. Moldings made from the disclosed compositions have a uniform appearance and exhibit improved heat resistance.

Abstract: A resin composition for use in uncoated exterior materials markedly excellent in appearance and having high impact resistance and weather resistance wherein 10-70% by weight of a graft copolymer (I) having a high rubber content, 90-30% by weight of a rigid thermoplastic resin (II) comprising 10-90% by weight of at least one aromatic vinyl monomer and 90-10% by weight of at least one ethylenic unsaturated monomer having the following general formula:CH.sub.2 =CRXwherein R represents hydrogen or CH.sub.3 group and X represents CN or COOR.sub.1 group (R.sub.

Abstract: A coating composition for the preparation of synthetic resin shaped articles excellent in abrasion resistance and weatherability is described. This composition comprises (a) a polyfunctional monomer composition comprising (i) 40-100 wt. % of a polyfunctional monomer containing at least three methacryloyloxy or acryloyloxy groups in the molecule and having a MW of not higher than about 900 and (ii) 0-60 wt. % of a mono- or bi-functional monomer having one or two methacryloyloxy or acryloyloxy groups in the molecule and having a MW of not higher than about 300 per methacryloyloxy or acryloyloxy group, (b) 5-35 parts by wt., based on 100 wt. parts of the monomer composition, of at least one ultraviolet absorber, (c) 0.5-8 wt. parts, based on 100 parts by wt. of the monomer composition, of at least one polymeric material selected from polymers of alkyl methacrylates and alkyl acrylates, and (d) 0.01-6 parts by wt., based on 100 parts by wt. of the monomer composition, of a photosensitizer.

Abstract: A multi-stage sequentially produced polymer structure composition, comprising: an innermost layer (A), and successively seed polymerized thereupon an elastic polymer layer (B), an outermost layer (C) and at least one intermediate layer (D), said layer (A) which has a glass transition temperature (Tg) of at least 10.degree. C. and which constitutes 5-35% by weight of the total polymer composition being the polymerized product of a monomer mixture comprising 51-100 parts by weight of styrene or a styrene derivative, 0-49 parts by weight of a monomer having a copolymerizable double bond, 0-10 parts by weight of a polyfunctional monomer, and 0-5 parts by weight of a graft crosslinking agent; said layer (B) which has a glass transition temperature of 0.degree. C.