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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 10358542 B1

PDFFull Text
Date of Patent:
Jul. 23, 2019

Filed:

Mar. 26, 2015

Adhesion promoter and curable organopolysiloxane composition containing same

Applicant:

Dow Corning Toray Co., Ltd., Tokyo, JP;

Inventors:

Toyohiko Fujisawa, Chiba, JP;

Harumi Kodama, Chiba, JP;

Assignee:

DOW TORAY CO., LTD., Tokyo, JP;

Attorney:

Warner Norcross & Judd LLP

Primary Examiner:

Robert T Butcher

Int. Cl.
CPC ...
C08K 5/549 (2006.01); C08K 5/5435 (2006.01); C09K 3/10 (2006.01); C08K 9/06 (2006.01); C09J 183/08 (2006.01); C08K 5/5419 (2006.01); C09D 183/04 (2006.01); C09J 183/04 (2006.01); C08K 3/36 (2006.01); C08K 5/5415 (2006.01); C08K 5/56 (2006.01); C08L 83/00 (2006.01); C08G 77/14 (2006.01); C08G 77/26 (2006.01); C08G 77/50 (2006.01);
U.S. Cl.
CPC ...
C08K 5/549 (2013.01); C08K 3/36 (2013.01); C08K 5/5415 (2013.01); C08K 5/5419 (2013.01); C08K 5/5435 (2013.01); C08K 5/56 (2013.01); C08K 9/06 (2013.01); C08L 83/00 (2013.01); C09D 183/04 (2013.01); C09J 183/04 (2013.01); C09J 183/08 (2013.01); C09K 3/1018 (2013.01); C08G 77/14 (2013.01); C08G 77/26 (2013.01); C08G 77/50 (2013.01); C08K 2201/014 (2013.01);
Abstract

An adhesion promoter that can achieve excellent initial adhesion improvement effects towards various types of substrates, a curable organopolysiloxane composition containing the adhesion promoter, and a protective agent or adhesive composition for electric and electronic components, are provided. The adhesion promoter comprises the following components (A) to (C) in a specific weight ratio: (A) a reaction mixture of an organoalkoxysilane having an amino group and an organoalkoxysilane having an epoxy group; (B) an organic compound having at least two alkoxysilyl groups in a molecule and having a bond other than a silicone-oxygen bond between these silyl groups; and (C) a silane containing an epoxy group or a partially hydrolyzed condensate thereof.

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