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:
Jul. 21, 2020
Filed:
Sep. 27, 2018
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
Toshiki Kawabata, Kamisu, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a polyvinyl chloride-based resin molded product obtained by molding a resin mixture containing 3 to 15 parts by weight of calcium carbonate having an average primary particle size of 0.01 to 0.3 μm and 2 to 4 parts by weight of an impact modifier per 100 parts by weight of a polyvinyl chloride-based resin, wherein a Charpy impact strength at 23° C. is 20 kJ/mor more, and a weight reduction ratio is 1.5 mg/cmor less when the molded product is immersed in a 93% by weight sulfuric acid aqueous solution for 14 days in accordance with JIS K 6745, and a method for manufacturing the polyvinyl chloride-based resin molded product.