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.

Date of Patent:
Mar. 25, 2025

Filed:

May. 22, 2020
Applicant:

Toray Industries, Inc., Tokyo, JP;

Inventors:

Takuya Shibata, Ichihara, JP;

Takanori Suga, Ichihara, JP;

Takayuki Hase, Ichihara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 279/06 (2006.01); C08L 25/12 (2006.01); C08L 25/14 (2006.01); C08L 83/04 (2006.01);
U.S. Cl.
CPC ...
C08F 279/06 (2013.01); C08L 25/12 (2013.01); C08L 25/14 (2013.01); C08L 83/04 (2013.01); C08L 2201/10 (2013.01); C08L 2203/30 (2013.01); C08L 2205/03 (2013.01);
Abstract

A transparent thermoplastic resin composition includes: 100 parts by mass of a transparent thermoplastic resin composition composed of 10 to 60 parts by mass of a graft copolymer (A) obtained by graft-copolymerizing a monomer mixture (a) containing at least an aromatic vinyl-based monomer (a1) and a (meth)acrylic acid ester-based monomer (a2) in the presence of a rubbery polymer (r), and 40 to 90 parts by mass of a vinyl-based copolymer (B) obtained by copolymerizing a monomer mixture (b) containing at least an aromatic vinyl-based monomer (b1), a (meth)acrylic acid ester-based monomer (b2), and a vinyl cyanide-based monomer (b3); and 15 ppm or more and 40 ppm or less of a polydimethyl siloxane gum (C) having a weight-average molecular weight of 300,000 or more.


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