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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 10597566 B1

PDFFull Text
Date of Patent:
Mar. 24, 2020

Filed:

Mar. 17, 2016

Organopolysiloxane emulsion composition for release paper or release film, method for producing same, and release paper and release film

Applicant:

Shin-etsu Chemical Co., Ltd., Tokyo, JP;

Inventors:

Kenji Yamamoto, Annaka, JP;

Tsutomu Nakajima, Annaka, JP;

Assignee:

SHIN-ETSU CHEMICAL CO., LTD., Tokyo, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Liam J Heincer

Int. Cl.
CPC ...
C09J 183/06 (2006.01); B32B 27/00 (2006.01); C09K 3/00 (2006.01); C09D 5/02 (2006.01); D21H 27/00 (2006.01); C09D 7/40 (2018.01); C09J 7/40 (2018.01); C09D 183/06 (2006.01); C09J 7/20 (2018.01); C09D 183/12 (2006.01); C08L 71/02 (2006.01); C08L 83/06 (2006.01); C08G 77/46 (2006.01); C08G 77/12 (2006.01); C08G 77/20 (2006.01);
U.S. Cl.
CPC ...
C09J 183/06 (2013.01); B32B 27/00 (2013.01); C08L 71/02 (2013.01); C08L 83/06 (2013.01); C09D 5/02 (2013.01); C09D 7/40 (2018.01); C09D 183/06 (2013.01); C09D 183/12 (2013.01); C09J 7/201 (2018.01); C09J 7/401 (2018.01); C09K 3/00 (2013.01); D21H 27/00 (2013.01); D21H 27/001 (2013.01); C08G 77/12 (2013.01); C08G 77/20 (2013.01); C08G 77/46 (2013.01); C08L 2308/00 (2013.01); C09J 2400/283 (2013.01); C09J 2483/005 (2013.01);
Abstract

An organopolysiloxane emulsion composition for release paper or a release film, said composition being produced by dispersing a mixture comprising components (A) to (D) as mentioned below in water: (A) an alkenyl-group-containing diorganopolysiloxane having at least two alkenyl groups per molecule and having a viscosity of 1,000 Pa·s or less at 25° C., in an amount of 100 parts by mass; (B) an organohydrogenpolysiloxane having at least two Si—H groups per molecule and having a viscosity of 1 Pa·s or less at 25° C., in such an amount that the number of moles of an Si—H group can become 0.5 to 10 times the number of moles of an alkenyl group in the component (A); (C) a curing catalyst, in an amount of 0.01 to 3 parts by mass; and (D) a polyether-modified and/or polyol-modified organosilicon compound, in an amount of 0.01 to 10 parts by mass.

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