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:
Jun. 19, 1990
Filed:
Dec. 02, 1988
Makoto Fukuda, Kasukabe, JP;
Yukio Ichikawa, Iwaki, JP;
Takayuki Katto, Iwaki, JP;
Toshikatsu Nitoh, Fuji, JP;
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Polyplastics Co., Ltd., Osaka, JP;
Abstract
The present invention discloses a composition comprising a mixture containing 100 parts by weight of substantially linear polyphenylene sulfide which is treated with an aqueous solution of an acid or a salt of a strong acid and a weak base and which has not less than 70 mol % of a repeating unit of ##STR1## 0.05 to 5 parts by weight of at least one aminoalkoxysilane compound and, if necessary, 0.01 to 3 parts by weight of a releasing agent, the mixture being kneaded under heating at a temperature higher than the melting point of the polyphenylene sulfide, said composition exhibiting excellent impact strength and weld strength and providing molded product with small amount of flash generated during molding. The invention also discloses a composition which further comprises a fibrous reinforcing material and/or an inorganic powdered or granular filler, according to necessity, as well as disclosing a method of producing said composition.