摘要:
Disclosed is a thermoplastic resin composition comprising (A) an amorphous resin and further comprising, per 100 parts by weight of the amorphous resin,0.01 to 20 parts by weight of (B) an epoxy group-containing ethylene copolymer, and0.01 to 20 parts by weight of at least one member selected from the group consisting of (C) a polyfunctional compound and (D) a carboxylic acid metal salt, wherein the polyfunctional compound contains, per molecule, at least two identical or different functional groups selected from the group consisting of carboxyl group, amino group, carboxylic acid anhydride group and a unit represented by the formula (1) ##STR1## wherein X and Y are identical and each represents oxygen atom or sulfur atom, or one of X and Y is an oxygen atom and the other is a sulfur atom, or wherein the polyfunctional compound contains, per molecule, at least one unit represented by the formula (2) ##STR2## wherein Z represents oxygen atom or sulfur atom.
摘要:
Disclosed is a thermoplastic resin composition comprising (A) an amorphous resin and further comprising, per 100 parts by weight of the amorphous resin,0.01 to 20 parts by weight of (B) an epoxy group containing ethylene copolymer, and0.01 to 20 parts by weight of at least one member selected from the group consisting of (C) a polyfunctional compound and (D) a carboxylic acid metal salt, wherein the polyfunctional compound contains, per molecule, at least two identical or different functional groups selected from the group consisting of carboxyl group, amino group, carboxylic acid anhydride group and a unit represented by the formula (1) ##STR1## wherein X and Y are identical and each represents oxygen atom or sulfur atom, or one of X and Y is an oxygen atom and the other is a sulfur atom, or wherein the polyfunctional compound contains, per molecule, at least one unit represented by the formula (2) ##STR2## wherein Z represents oxygen atom or sulfur atom.
摘要:
A thermoplastic elastomer composition which is useful for bumper, boot, sound absorbing gear, sports shoes etc. is provided by mixing the following (A)-(D).A: 30-58 parts by wt of saturated polyester resin,B: 42-70 parts by wt of an epoxy group-containing ethylene copolymer ofa) 50-99% by wt of ethylene unit,b) 0.1-30% by wt of unsaturated carboxylic acid glycidyl ester unit or unsaturated glycidyl ether unit andc) 0-49% by wt of ethylenically unsaturated ester unitC: 0.01-20 parts by wt of specific polyfunctional compound containing two or more functional groups, andD: 1-30 parts by wt of block copolyether ester elastomer.The amounts of C and D are based on 100 parts of A and B.
摘要:
A novel graft copolymer having a number-average molecular weight of about 1,500 to about 1,000,000, produced by graft-copolymerizing an alkylene oxide and a cyclic ester to a saponified ethylene-saturated carboxylic acid vinyl ester copolymer; a process for production thereof; and a plasticizer comprising said graft copolymer as the active component.
摘要:
A process for producing a reinforced crystalline engineering plastic composition is disclosed, comprising melt-kneading (A) from 60 to 97 parts by weight of a crystalline engineering plastic and (B) from 5 to 100 parts by weight, per 100 parts by weight of the sum of (A) and (C), of glass fibers and melt-kneading the resulting mixture with (C) from 3 to 40 parts by weight of an epoxy- or acid anhydride-containing ethylene copolymer. The composition obtained provides, with excellent moldability, a molded article having an improved appearance while exhibiting well-balanced mechanical and thermal properties.
摘要:
An adhesive resin composition is obtained by mixing at least one member (C) selected from the group consisting of unsaturated carboxylic acids and the derivatives thereof, a free-radical initiator (D), and a mixture consisting of a crystalline polyolefin resin (A) and an amorphous or low crystalline olefin copolymer of ethylene and an .alpha.-olefin (B), to obtain a precursor mixture, melt-kneading the precursor mixture in the first half of an extruder having at least one side feeder, to obtain a modified precursor mixture, and feeding a crystalline polyolefin resin (E) from the side feeder of the extruder and mixing the resin (E) with the modified precursor mixture.The adhesive resin composition has good extrudability and exhibits high adhesive property to polar materials such as polar polymeric materials and the like.
摘要:
A process for producing a graft copolymer comprising melt-blending:(A) 1 to 90 parts by weight of an ethylene copolymer, based on the weight of the graft copolymer, comprising (a) 40 to 99.9% by weight of ethylene units, (b) 0 to 60% by weight of .alpha.,.beta.-unsaturated carboxylic acid alkyl ester units, and (c) 0.1 to 10% by weight of maleic anhydride units;(B) 0.1 to 10 moles of a lactam metal salt compound per mole of the maleic anhydride units (c) of the ethylene copolymer (A); and(C) 10 to 99 parts by weight of a lactam compound, based on the weight of the graft copolymer,which results in a graft copolymer having high impact strength, high flexibility, satisfactory dyeability, and well-balanced physical properties over a wide temperature range.
摘要:
A novel ethylene copolymer and a process for producing said copolymer are disclosed. This ethylene copolymer contains from 40 to 95% by weight of ethylene, from 60 to 5% by weight of at least one dialkylaminoalkyl acrylamide comonomer represented by formula (A): ##STR1## wherein the symbols are as defined in the appended claims, and 0 to 20% by weight of at least one ethylenically unsaturated comonomer, and has a number average molecular weight of from 5,000 to 50,000.
摘要:
An adhesive resin composition is described, comprising: (A) a thermoplastic copolyester resin prepared from (1) a dicarboxylic acid component comprising from 40 to 100 mol % of terephthalic acid and from 0 to 60 mol % of other aromatic dicarboxylic acid and (2) a low molecular weight glycol component comprising from 40 to 100 mol % of 1,4-butanediol and from 0 to 60 mol % of diethylene glycol or 1,6-hexanediol and further from 0 to 10 mol %, based on the total carboxylic acid, of polytetramethylene glycol having a molecular weight of from 600 to 6,000, which has a melting point of from 90.degree. to 160.degree. C. and a reduced viscosity of at least 0.5; and (B) an ethylene copolymer having at least one functional group selected from an epoxy group, a carboxylic acid group, and a dicarboxylic anhydride group; and if desired, (C) a thermoplastic resin other than the resin (A), and if further desired, (D) a polyfunctional epoxy compound. This composition exhibits excellent adhesion to synthetic resins such as polyvinyl chloride, polyesters, and polyolefins and also to metals such as aluminum and has excellent adhesive durability against moisture.
摘要:
A dyeable poly-.alpha.-olefin composition having improved dyeablity, is disclosed, comprising a melt kneaded mixture of(A) 100 parts by weight of a poly-.alpha.-olefin;(B) from 1 to 20 parts by weight of an ethylene copolymer having a melt index as defined in JIS K-6760 at 190.degree. C. in the range of from 1 to 1,000 g/10 min, which is composed of(a) from 40 to 95% by weight of ethylene and(b) from 5 to 60% by weight of at least one dialkylaminoalkyl acrylamides comonomer represented by the formula: ##STR1## wherein R.sub.1 represents hydrogen or a methyl group; R.sub.2 and R.sub.3 each represents hydrogen or an alkyl group having from 1 to 4 carbon atoms; and n represents an integer of from 2 ro 4; and(C) from 0 to 3 parts by weight of at least one alkali metal salt of an organic carboxylic acid having from 7 to 24 carbon atoms.