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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 9771475 B1

PDFFull Text
Date of Patent:
Sep. 26, 2017

Filed:

Mar. 18, 2013

Liquid crystal polyester composition, method for producing liquid crystal polyester composition, and molded article

Applicant:

Sumitomo Chemical Company, Limited, Tokyo, JP;

Inventors:

Shintaro Komatsu, Ibaraki, JP;

Hiroshi Harada, Singapore, SG;

Assignee:

Sumitomo Chemical Company, Limited, Tokyo, JP;

Attorney:

Panitch Schwarze Belisario & Nadel LLP

Primary Examiner:

Chanceity Robinson

Int. Cl.
CPC ...
C08L 67/04 (2006.01); B29B 7/48 (2006.01); B29B 7/72 (2006.01); B29B 7/84 (2006.01); B29B 7/90 (2006.01); C08K 3/34 (2006.01); C08K 7/14 (2006.01); B29C 47/40 (2006.01); B29C 47/92 (2006.01); B29C 47/38 (2006.01); B29C 47/60 (2006.01); C08K 7/08 (2006.01); C08K 7/10 (2006.01); C09K 19/38 (2006.01); B29C 45/00 (2006.01); B29C 47/10 (2006.01); B29C 47/82 (2006.01); C09K 19/52 (2006.01); B29K 67/00 (2006.01); B29L 31/34 (2006.01);
U.S. Cl.
CPC ...
C08L 67/04 (2013.01); B29B 7/482 (2013.01); B29B 7/726 (2013.01); B29B 7/845 (2013.01); B29B 7/90 (2013.01); B29C 45/0001 (2013.01); B29C 47/38 (2013.01); B29C 47/40 (2013.01); B29C 47/6031 (2013.01); B29C 47/6062 (2013.01); B29C 47/92 (2013.01); C08K 3/34 (2013.01); C08K 7/08 (2013.01); C08K 7/10 (2013.01); C08K 7/14 (2013.01); C09K 19/3809 (2013.01); B29C 47/1045 (2013.01); B29C 47/1081 (2013.01); B29C 47/822 (2013.01); B29C 47/825 (2013.01); B29C 2947/92704 (2013.01); B29K 2067/00 (2013.01); B29L 2031/3493 (2013.01); C08K 2201/003 (2013.01); C08K 2201/004 (2013.01); C08K 2201/016 (2013.01); C09K 2019/521 (2013.01);
Abstract

A liquid crystal polyester composition contains: a liquid crystal polyester in an amount of 100 parts by mass as well as a fibrous filler and a plate-like filler in an amount of not less than 65 parts by mass and not more than 100 parts by mass in total. The fibrous filler in the composition has a number average fiber diameter of not less than 5 μm and not more than 15 μm and a number average fiber length of more than 200 μm and less than 400 μm. The mass ratio of the fibrous filler to the plate-like filler in the composition is not less than 3 and not more than 15. The flow starting temperature of the composition is not lower than 250° C. and lower than 314° C.

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