摘要:
A polyolefin resin composition of the present invention comprises 0.01 to 2.0 parts by weight of an anti-blocking agent and 100 parts by weight of a polyolefin resin, wherein the anti-blocking agent has a weight-based particle size distribution having two or more maximum values in which the difference between the particle diameter giving the largest maximum value and the particle diameter giving the smallest maximum value is not less than 3.0 µm.
摘要:
An elastomer composition for light-resistant covering materials, and covering materials for industrial parts which comprise the composition, are obtainable by partially cross-linking a mixture comprising (A) 100 parts by weight in total of at least one terpolymer rubber having a 100°C Mooney viscosity (ML₁₊₄ 100°C) of 30 to 350 selected from ethylene-propylene-dicyclopentadiene terpolymer rubbers and ethylene-butene-1-dicyclopentadiene terpolymer rubbers, (B) 5 to 150 parts by weight of an olefinic polymer and (C) 0 to 150 parts by weight of a mineral oil or a mixture comprising 40 to 95% by weight of an oil-extended ethylene terpolymer rubber and 5 to 60% by weight of an olefinic polymer, the oil-extended ethylene terpolymer rubber comprising a terpolymer rubber component comprising at least one ethylene terpolymer rubber having a 100°C Mooney viscosity (ML₁₊₄ 100°C) of 30 to 350 ethylene propylene-dicyclopentadiene terpolymer rubbers and ethylene-butene-1-dicyclopentadiene terpolymer rubbers and 150 parts by weight or less of a mineral oil per 100 parts by weight of the terpolymer rubber component.
摘要:
A thermoplastic resin composition containing a polyamide resin composition (C) consisting of a polyamide resin (A) and another thermoplastic resin (B) and at least one modifier (D) is excellent in coatability, mechanical properties, linear expansion coefficient and appearance, can be molded into an article which comprises the polyamide resin (C), wherein the ratio of the percent occupied area of the polyamide resin on the surface of the article to the weight percentage of the polyamide in the polyamide resin composition (C) is not less than l.2, and/or the ratio of the percent concentration of the polyamide resin on the surface of the article determined on the basis of the nitrogen concentration on the surface of the article to the weight percentage of the polyamide in the polyamide resin composition (C) is not less than l,2, which article is suited for electric and electronic parts and automobile parts such as a bumper, fender and wheel cover.
摘要:
The invention provides a packaging film for retorted food comprising a polyethylene resin composition comprising 70 to 92% by weight of a component (A) and 30 to 8% by weight of a component (B) wherein: component (A) is an ethylene-α-olefin copolymer comprising ethylene and an α-olefin having 3 to 18 carbon atoms, said copolymer having a density of 0.920 to 0.940 g/cm³ and a melt flow rate of 0.1 to 20 g/10 minutes at a temperature of 190°C under a load of 2.16 kg; component (B) is a high-density polyethylene having a density of 0.945 g/cm³ or more and a melt flow rate of 0.1 to 20 g/10 minutes at a temperature of 190°C under a load of 2.16 kg.
摘要翻译:本发明提供了一种用于蒸煮食品的包装膜,其包含包含70至92重量%的组分(A)和30至8重量%的组分(B)的聚乙烯树脂组合物,其中:组分(A)为乙烯 - 包含乙烯和具有3至18个碳原子的α-烯烃的α-烯烃共聚物,所述共聚物的密度为0.920至0.940g / cm 3,熔体流动速率为0.1至20g / 10分钟,温度为 190℃,负荷2.16kg; 组分(B)是在190℃,2.16kg负荷下,密度为0.945g / cm 3以上,熔体流动速率为0.1〜20g / 10分钟的高密度聚乙烯。
摘要:
A thermoplastic elastomer composition which comprises: (i) 55 - 100% by weight of a thermoplastic elastomer I obtainable by partially crosslinking a mixture consisting essentially of (A) 50 - 90 parts by weight of an oil-extended olefinic copolymer rubber containing 60 - 150 parts by weight of a mineral oil per 100 parts by weight of an olefinic copolymer rubber having a 100°C Mooney viscosity (ML₁₊₄ 100°C) of 200 - 350 and (C) 50 - 10 parts by weight of an olefinic polymer resin; (ii) 45-0% by weight of a thermplastic elastomer II obtainable by partially crosslinking a mixture consisting essentially of (B) 50 - 80 parts by weight of an oil-extended olefinic copolymer rubber containing 10 - 60 parts by weight of a mineral oil per 100 parts by weight of an olefinic copolymer rubber having a 100°C Mooney viscosity (ML₁₊₄ 100°C) of 120 or higher and lower than 200 and (D) 50 - 20 parts by weight of an olefinic polymer resin; and (iii) (E) 0 - 30% by weight of an olefinic polymer resin, said composition having a 90% stress relaxation time of 0.1 - 10 seconds in measurement of viscoelasticity at 180°C.
摘要:
A thermoplastic resin containing 10 to 90 parts by weight of a polycarbonate resin and 90 to 10 parts by weight of a copolymer which comprises 1 to 50 % by weight of a N-substituted maleimide and 99 to 50 % by weight of an alkyl ester of an unsaturated carboxylic acid, which has good property balance among heat resistance, impact resistance, stiffness, processability and transparency.
摘要:
A thermoplastic resin composition having good moldability and yielding molded articles having well-balanced physical properties comprises:
(a) a polyphenylene ether resin or a resin composition containing a polyphenylene ether, (b) (i) a modified propylene polymer obtainable by grafting a propylene polymer with a styrene-based monomer or a mixture of a styrene-based monomer and a monomer copolymerizable with the styrene-based monomer or (ii) a composition containing said modified propylene polymer and a propylene polymer, and (c) a rubbery substance.
The number mean particle size of the components (a) and (c) in the dispersion phase is from 0.01 to 20 µm, the proportion of the component (a) to the sum of the components (a) and (b) being 1 to 80% by weight, that of the component (b) to the sum of the components (a) and (b) being 99 to 20% by weight, and the proportion of the component (c) to the sum of the components (a) and (b) being 1 to 50 parts by weight per 100 parts by weight of (a) plus (b).
摘要:
A novel thermoplastic resin composition comprising a matrix of polyamide resin (E) and a disperse phase of a composition (D), said composition (D) comprising a polyphenylene ether (A), a rubber-like material (B) and a mutual compatibilizer (C), said polyphenylene ether (A) being obtained from at least one phenol compound represented by the formula: wherein R₁, R₂, R₃, R₄ and R₅ represent a hydrogen atom, a halogen atom or a substituted or unsubstituted hydrocarbon residue, with a proviso that at least one of them is a hydrogen atom, and said polyphenylene ether (A) having a reduced viscosity η sp/c of 0.40 - 0.58 deciliter/gram, said mutual compatibilizer (C) being compatible or reactive with said polyphenylene ether and reactive with said polyamide resin, and said polyamide resin (E) having a number average molecular weight of 14,000 - 40,000 and an end amino group content of 50 - 95 mmole/kg, wherein the thermoplastic resin composition constitutes 1 - 65 wt.% of said polyphenylene ether (A), 1 - 20 wt.% of said rubber-like material (B), 0.01 - 5 wt.% of said mutual compatibilizer (C) and 35 - 97.99 wt.% of said polyamide resin (E), based on the total weight of said thermoplastic resin composition, and the weight average particle size of said disperse phase is 2 micron or less.