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. 30, 2013
Filed:
Aug. 27, 2009
Ayaka Wakita, Hiroshima, JP;
Toshihiro Kasai, Hiroshima, JP;
Kouichi Shishido, Hiroshima, JP;
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Abstract
Disclosed is a method for producing powder of a vinyl polymer containing a silicone polymer, which comprises the step of spray-drying a latex of the vinyl polymer containing a silicone polymer obtained by polymerization of a vinyl monomer in the presence of a latex of the silicone polymer, wherein 3.0 mmol or less of a sulfate is contained in 100 g of the powder of a vinyl polymer containing a silicone polymer. According to the present invention, a powder which can provide a shaped article excellent in impact resistance and hydrolysis resistance in the case when the powder is blended in a resin such as polycarbonate resin can be obtained.