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:
Jul. 14, 2015

Filed:

Feb. 21, 2012
Applicants:

Junko Sakai, Otsu, JP;

Kenji Shiga, Otsu, JP;

Inventors:

Junko Sakai, Otsu, JP;

Kenji Shiga, Otsu, JP;

Assignee:

TOYOBO CO., LTD., Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 67/07 (2006.01); C09K 3/10 (2006.01); C08G 63/64 (2006.01); B29C 39/00 (2006.01); H01L 23/29 (2006.01); H01G 9/10 (2006.01); H01G 4/224 (2006.01); C08L 69/00 (2006.01); B29K 75/00 (2006.01); B29K 105/12 (2006.01);
U.S. Cl.
CPC ...
C09K 3/1006 (2013.01); B29C 39/006 (2013.01); C08G 63/64 (2013.01); C08L 69/005 (2013.01); C09K 3/10 (2013.01); H01G 4/224 (2013.01); H01G 9/10 (2013.01); H01L 23/293 (2013.01); B29K 2075/00 (2013.01); B29K 2105/122 (2013.01); C09K 2200/0655 (2013.01); H01L 2924/0002 (2013.01);
Abstract

It is provided that a polyester composition for electrical/electronic part-sealing material having melt fluidity, initial peel strength, and initial dielectric breakdown strength that are required for electrical/electronic part-sealing material while also having excellent heat resistance, resistance to thermal aging, and durability with respect to hot-cold cycling. A polyester resin composition for electrical/electronic part-sealing material, comprising, as a main component, a copolymer polyester elastomer containing 50 weight % or more and 70 weight % or lower of an aliphatic polycarbonate segment and having 6 equivalents/10g or more and 50 equivalents/10g or lower of terminal vinyl groups.


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