ABS-Type thermoplastic resin composition and method for producing the same
申请人:NIPPON PETROCHEMICALS COMPANY, LIMITED
公开号:EP0493814A2
公开(公告)日:1992-07-08
An ABS-type thermoplastic resin composition prepared by subjecting a thermoplastic resin containing a copolymer to dynamic heat treatment in the presence of a carbon radical inducing agent, wherein the above thermoplastic resin containing a copolymer is prepared by graft polymerizing a polymer containing one or more of diene monomers, multivinyl compounds and multiallyl compounds with at least one vinyl monomer selected from the group consisting of aromatic vinyl monomers, methacrylic ester monomers and vinyl cyanide monomers. The resin composition of the invention excels in tensile strength, flexural modulus, impact resistance and moldability.
Improved thermoplastic resin composition and method for producing the same
申请人:NIPPON PETROCHEMICALS COMPANY, LIMITED
公开号:EP0493811A2
公开(公告)日:1992-07-08
An improved thermoplastic resin composition obtained by subjecting a mixture of at least an engineering plastic and a rubber material containing an α,β-unsaturated carboxylic acids or their derivatives, to dynamic heat treatment in the presence of a carbon radical inducing agent. The thermoplastic resin composition of the invention excels in thermal resistance, rigidity, impact resistance, and moldability.
Surface-modified molded product of synthetic resin and process for producing it
申请人:Mitsubishi Chemical Corporation
公开号:EP0585662A1
公开(公告)日:1994-03-09
A process for producing a surface-modified molded product of synthetic resin, which comprises contacting a fluorine-containing gas to the surface of a molded product of synthetic resin and then contacting a polymerizable monomer to form a new polymer layer on the surface of the molded product.
A lubricating oil composition comprises (A) a base oil, (B) a 3-methyl-5-tert-butyl-4-hydroxyphenyl substituted fatty acid ester in an amount of 0.1 - 5 percent by mass and (C) an auxiliary component, said auxiliary component being one member of the group of (a) a nitrogen-containing compound in an amount of 0.001 - 1 percent by mass, (b) a sulfur and/or phosphorus-containing compound in an amount of 0.1 - 5.0 percent by mass or (c) a phenolic compound in an amount of 0.1 - 5.0 percent by mass. This composition features the combination with a base oil of these specified components whereby there is provided synergistic effect conducive to inhibition or prevention of both oxidation and sludge formation while in use under elevated temperature conditions over extended periods of time.
FLUORINE-CONTAINING COPOLYMER, METHOD FOR PRODUCING SAME, WATER REPELLENT OIL REPELLENT AGENT COMPOSITION, AND ARTICLE
申请人:AGC INC.
公开号:EP3932959A1
公开(公告)日:2022-01-05
To provide a fluorinated copolymer capable of obtaining an article excellent in water and oil repellency, and friction durability of water and oil repellency. A fluorinated copolymer having units based on the following monomer a and units based on the following monomer b, wherein the proportion of the units based on the monomer a is from 20 to 50 mol% based on the total number of moles of units constituting the fluorinated copolymer, the mass average molecular weight is from 20,000 to 100,000, and the ratio of the half-width W1 of the peak of the fluorinated copolymer to the peak width W2 in a chromatogram obtainable by high performance liquid chromatography measurement is from 0.35 to 0.55:
Monomer a: a compound represented by CH2=CH-Rf (Rf: a C1-8 perfluoroalkyl group;
Monomer b: a monomer copolymerizable with the monomer a.
提供一种氟化共聚物,该共聚物能够获得憎水性和憎油性以及憎水性和憎油性摩擦耐久性优异的物品。一种氟化共聚物,具有基于以下单体 a 的单元和基于以下单体 b 的单元,其中基于单体 a 的单元的比例为构成氟化共聚物的单元摩尔总数的 20 至 50 摩尔%,质量平均分子量为 20,000 至 100,000,通过高效液相色谱测量得到的色谱图中,氟化共聚物峰的半宽 W1 与峰宽 W2 之比为 0.35 至 0.55:
单体 a:由 CH2=CH-Rf 表示的化合物(Rf:C1-8 全氟烷基);
单体 b:可与单体 a 共聚的单体。