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:
Aug. 23, 2016

Filed:

Dec. 13, 2013
Applicant:

Dai-ichi Kogyo Seiyaku Co., Ltd., Kyoto-shi, Kyoto, JP;

Inventors:

Masahito Nishiura, Kyoto, JP;

Hideaki Onishi, Kyoto, JP;

Hisanori Semori, Kyoto, JP;

Naomi Toyoshima, Kyoto, JP;

Assignee:

DAI-ICHI KOGYO SEIYAKU CO., LTD., Kyoto-shi, Kyoto, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/00 (2006.01); C08J 9/04 (2006.01); C08K 3/16 (2006.01); C08J 9/14 (2006.01); C08K 3/22 (2006.01); C08K 5/06 (2006.01); C08K 5/3492 (2006.01); C08K 3/26 (2006.01); C08K 3/34 (2006.01); C08K 5/136 (2006.01);
U.S. Cl.
CPC ...
C08J 9/142 (2013.01); C08J 9/0019 (2013.01); C08J 9/0023 (2013.01); C08J 9/0028 (2013.01); C08J 9/0066 (2013.01); C08J 9/0095 (2013.01); C08J 9/04 (2013.01); C08J 9/141 (2013.01); C08K 3/22 (2013.01); C08K 3/26 (2013.01); C08K 3/34 (2013.01); C08K 5/06 (2013.01); C08K 5/136 (2013.01); C08K 5/34924 (2013.01); C08J 2201/03 (2013.01); C08J 2205/00 (2013.01); C08J 2325/06 (2013.01); C08K 2003/2296 (2013.01);
Abstract

Provided is a recyclable flame-retardant foamed styrene resin composition having high flame-retardancy and heat stability by adding little bromine-containing flame retardant. A flame-retardant foamed styrene resin composition containing (A) a styrene resin, (B) a mixture of (B1) tetrabromobisphenol A-bis(2,3-dibromo-2-methylpropyl ether) and (B2) another bromine-containing flame retardant, (C) zinc-modified hydrotalcite, (D) zeolite, and (G) a foaming agent, containing 0.005-0.08 parts by weight of (C) the zinc-modified hydrotalcite per 100 parts by weight of (A) the styrene resin.


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