The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 2009
Filed:
Apr. 28, 2004
Hideo Matsuoka, Ichinomiya, JP;
Mitsushige Hamaguchi, Nagoya, JP;
Toru Nishimura, Nagoya, JP;
Toray Industries, Inc., , JP;
Abstract
This invention is a polyester resin composition comprising 100 parts by weight of a resin composition consisting of 60 to 95 wt % of (a) a polyester resin and 5 to 40 wt % of (b) an olefin-based resin, and 0.5 to 30 parts by weight of (c) one or more resins selected from polyphenylene sulfide resins and liquid crystal resins, wherein said olefin-based resin (b) is composed of (b-1) a functional group-containing olefin copolymer having at least one kind of functional groups selected from carboxylic acid groups, carboxylic anhydride groups, carboxylic ester groups, metal carboxylate groups and epoxy groups and (b-2) an ethylene/α-olefin copolymer obtained by copolymerizing ethylene and an a-olefin with 3 to 20 carbon atoms; and the polyester resin (a) forms a continuous phase, while the olefin-based resin (b) is dispersed as particles with an average particle size of 0.01 to 2 μm in the composition. This invention provides a polyester resin composition having excellent flexibility and impact resistance in a low-temperature atmosphere, also having excellent flowability and chemicals resistance, and suitable for injection molding.