摘要:
There is provided a polymer composition having improved discoloration resistance upon exposure to light comprising a polyphenylene ether, a polyamide, and a combination of (a), a inorganic filler selected from the group consisting of titanium oxide, zinc oxide, zinc sulfide, aluminum oxide, magnesium oxide, titanium oxide coated mica, and metal particles, and (b), an organic dye or pigment which bleaches upon exposure to light, in an amount effective to improve the discoloration resistance.
摘要:
A thermoplastic resin composition having a good balance among rigidity, impact strength and adhesion of coating is provided, which comprises:a total of 100 parts by weight of (a)-(c) wherein (a) is 1-60% by weight of a polyphenylene ether, (b) 0-60% by weight of an alkenyl aromatic resin excluding unhydrogenated alkenyl aromatic block copolymer of tile following component (e) and (c) 40-99% by weight of a polyamide,(d) 1-50 parts by weight of a polyolefin having a modulus of 10000 kg/cm2 or more at room temperature,(e) 1-50 parts by weight of an unhydrogenated alkenyl aromatic block copolymer, and(f) a compatibilizing agent in an amount necessary to improve compatibility of the above components (a) and (c), said (d)-(f) being every 100 parts by weight of (a)-(c), and wherein the thermoplastic resin composition is obtained by melt kneading firstly said (a), (d) and (f) and then secondly said (c) therewith.
摘要:
A resin composition having improved resistance to discoloration by sunlight comprising (A) a polymer mixture which comprises a polyphenylene ether, a polyamide and optionally a polystyrene and/or an agent to improve the impact resistance, and (B) an inorganic powder whose mean particle size is less than or equql to 5 micrometer, in an amount of more than or equal to 15 parts by weight based on 100 parts by weight of the polyphenylene ether in the polymer mixture (A), which is selected from the group consisting of titanium oxide, mica coated with titanium oxide, barium sulphate, zinc oxide and zinc sulfide.
摘要:
The present invention provides a thermoplastic resin composition improved in stability at the time of processing which comprises (a) 100 parts by weight of a polyphenylene ether resin and (b) 0.001-15 parts by weight of at least one 4-amino-2,2,6,6-tetramethylpiperidyl compound represented by the following formula (I) or (II): ##STR1## wherein R.sub.1 represents a hydrogen atom, an oxygen atom (oxy radical), a hydroxyl group, an alkyl group, a cycloalkyl group, an allyl group, a benzyl group, an aryl group, an alkanoyl group, an alkenoyl group, an alkyloxy group or a cycloalkyloxy group;R.sub.2 represents a hydrogen atom, an alkyl group or ##STR2## where X represents a direct bond, --O-- or --NH--, R.sub.4 represents a direct bond, a straight or branched alkylene group, an alkylidene group or an arylene group, R.sub.5 represents a hydrogen atom, an alkyl group, an aryl group, ##STR3## n represents an integer of 1 to 4, p represents an integer of 2 to 6, andR.sub.3 represents a hydrogen atom or an n valent organic group.
摘要翻译:本发明提供了加工时稳定性提高的热塑性树脂组合物,其包含(a)100重量份的聚苯醚树脂和(b)0.001-15重量份的至少一种4-氨基-2, 由下式(I)或(II)表示的2,6-六甲基哌啶化合物:其中R 1表示氢原子,氧原子(氧基),羟基 烷基,环烷基,烯丙基,苄基,芳基,烷酰基,烯酰基,烷氧基或环烷氧基; R 2表示氢原子,烷基或X,其中X表示直接键,-O-或-NH-,R 4表示直接键,直链或支链亚烷基,亚烷基或亚芳基,R 5 表示氢原子,烷基,芳基,n表示1〜4的整数,p表示2〜6的整数,R 3表示氢原子或n价的有机基团。
摘要:
A resin composition having improved resistance to discoloration caused by exposure to light, which comprises (a) 5-95% by weight of a polyphenylene ether alone or in combination with a styrene polymer, (b) 95-5% by weight of a polyamide, and based on 100 parts by weight of the sum of (a) and (b), (c) 0.01-30 parts by weight of one or more agents to improve the compatibility of a polyphenylene ether and a polyamide, (d) 0-50 parts by weight of one or more agents to improve the impact resistance, and (e) 0.1-15 parts by weight of metal particles having 10 .mu.m or less of weight average particle size and 3 or more of aspect ratio, and 60% by weight or more of (e) metal particles being included in (b) a polyamide.
摘要:
A novel thermoplastic resin composition excellent in heat resistance, mechanical properties and processability is provided which comprises a composition containing (A) a dispersing phase of polyphenylene ether obtained by oxidation polymerization of at least one phenol compound represented by the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 each represents a hydrogen atom, a halogen atom or a substituted or unsubstituted hydrocarbon residue and at least one of them is a hydrogen atom and (B) a crystalline thermoplastic resin matrix phase and (C) a mutual compatibilizer compatible with (A) and/or (B) , an average particle diameter in said dispersing phase having of 0.01-10 .mu..
摘要:
A novel thermoplastic resin composition excellent in heat resistance, mechanical properties and processability is provided which comprises a composition containing (A) a dispersing phase of polyphenylene ether obtained by oxidation polymerization of at least one phenol compound represented by the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 each represents a hydrogen atom, a halogen atom or a substituted or unsubstituted hydrocarbon residue and at least one of them is a hydrogen atom and (B) a crystalline thermoplastic resin matrix phase and (C) a mutual compatibilizer compatible with (A) and/or (B), an average particle diameter in said dispersing phase having of 0.01-10.mu..
摘要:
A novel thermoplastic composition having improved paint adhesion strength and excellent impact strength comprising,A) from about 5 to 95 weight % of at least one polyphenylene ether,B) from about 95 to 5 weight % of at least one polyamide,C) from about 5 to 50 parts by weight based on 100 parts by weight of the total of polyphenylene ether and polyamide, of at least one elastomeric material selected from ethylene .alpha.-olefin (diene) copolymers with at least one vinyl aromatic monomer and at least one unsaturated functional monomer selected from unsaturated nitrile monomers and alkyl(meth)acrylates grafted thereto, andD) from about 0.01 to 30 parts by weight of at least one compatibilizer, based on 100 parts by weight of the total of polyphenylene ether and polyamide.
摘要:
A resin composition prepared by melting and kneading (A) a thermoplastic resin comprising a polyolefin resin together with (B) a functional compound having one or more bond(s) or one or more functional group(s) selected from the group consisting of non-aromatic carbon-carbon multiple bonds, oxirane groups and substituted carboxyl groups, and subsequently mixing thereinto (C) a polar compound having in one molecule one or more polar group(s) selected from the group consisting of substituted carboxyl groups, substituted hydroxyl groups, substituted amino groups, substituted mercapto groups, substituted sulfonic acid groups, oxazoline groups, isocyanato groups and oxirane groups, provided that at least one of the polar groups of (C) is different from at least one of the functional groups of the functional compound (B), as well as a process for producing said resin composition.
摘要:
Disclosed is a thermoplastic resin composition comprising a polyphenylene ether and a polyamide and excellent in impact strength wherein an impact strength modifier having structure A--B--A (A or B is styrene) is partially dispersed in said polyphenylene ether and has layered or spherical structure of about 0.02-0.07 .mu.m.A process for producing the thermoplastic resin composition is also disclosed which comprises (1) previously melt kneading (i) at least one compatibilizing agent in an amount effective for compatibilization and (ii) a polyphenylene ether, and then (2) adding (iii) a polyamide in an amount necessary for formation of continuous phase and (iv) an impact strength modifier having structure A--B--A (A or B is styrene) and melt kneading the mixture at a maximum shear rate of 700 sec.sup.-1 or more.