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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.:

US 11987702 B1

PDFFull Text
Date of Patent:
May. 21, 2024

Filed:

Oct. 14, 2020

Thermoplastic resin composition comprising a core-shell resin and a molded resin article composed of the thermoplastic resin composition

Applicant:

Nissin Chemical Industry Co., Ltd., Echizen, JP;

Inventor:

Kentaro Watanabe, Echizen, JP;

Assignee:

NISSIN CHEMICAL INDUSTRY CO., LTD., Echizen, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

David J Buttner

Int. Cl.
CPC ...
C08L 51/08 (2006.01); B29C 45/00 (2006.01); C08F 283/12 (2006.01); C08L 27/06 (2006.01); C08L 33/08 (2006.01); C08L 33/12 (2006.01); C08L 55/02 (2006.01); C08L 67/00 (2006.01); C08L 69/00 (2006.01); C08L 75/04 (2006.01); C08L 75/06 (2006.01); C08L 77/00 (2006.01); C08L 83/04 (2006.01); B29K 33/00 (2006.01); B29K 83/00 (2006.01);
U.S. Cl.
CPC ...
C08L 83/04 (2013.01); B29C 45/0001 (2013.01); C08F 283/12 (2013.01); C08F 283/122 (2013.01); C08L 27/06 (2013.01); C08L 33/08 (2013.01); C08L 33/12 (2013.01); C08L 55/02 (2013.01); C08L 67/00 (2013.01); C08L 69/00 (2013.01); C08L 75/04 (2013.01); C08L 75/06 (2013.01); C08L 77/00 (2013.01); B29K 2033/12 (2013.01); B29K 2083/00 (2013.01); C08L 2207/53 (2013.01);
Abstract

A thermoplastic resin composition comprising 80 to 99.9 parts by mass of a thermoplastic resin (I), and 0.1 to 20 parts by mass of a silicone-acryl core-shell resin (II), a total mass of the thermoplastic resin (I) and the silicone-acryl core-shell resin (II) being 100 parts by mass, wherein a core particle of the silicone-acryl core-shell resin (II) is composed of an organopolysiloxane (A), and a shell layer of the silicone-acryl core-shell resin (II) is composed of a poly (meth) acrylate ester (B), a mass ratio of the organopolysiloxane (A) to the poly (meth) acrylate ester (B) is in a range of 40:60 to 90:10, and a length (β) of the part of a circumference occupied by the poly (meth) acrylate ester in the silicone-acryl core-shell resin (II) accounts for at least 90% of a whole circumferential length (α) of the silicone-acryl core-shell resin (II).

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