IDiyas

For the Inventor, By the Inventor

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 12187931 B1

PDFFull Text
Date of Patent:
Jan. 07, 2025

Filed:

Apr. 04, 2019

Release film for pressure-sensitive silicone adhesive and production method therefor

Applicant:

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

Inventors:

Koichi Yamaguchi, Annaka, JP;

Yuji Yamane, Annaka, JP;

Assignee:

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

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Ramsey Zacharia

Int. Cl.
CPC ...
B32B 27/00 (2006.01); C08G 65/00 (2006.01); C08G 65/22 (2006.01); C08G 65/336 (2006.01); C08G 77/00 (2006.01); C08G 77/14 (2006.01); C09J 7/38 (2018.01); C09J 7/40 (2018.01); C09J 7/50 (2018.01);
U.S. Cl.
CPC ...
C09J 7/401 (2018.01); B32B 27/00 (2013.01); C08G 65/007 (2013.01); C08G 65/226 (2013.01); C08G 65/336 (2013.01); C08G 77/00 (2013.01); C08G 77/14 (2013.01); C09J 7/38 (2018.01); C09J 7/40 (2018.01); C09J 7/403 (2018.01); C09J 7/50 (2018.01); C09J 2427/005 (2013.01); C09J 2483/003 (2013.01);
Abstract

A release film for pressure-sensitive silicone adhesives which comprises: any of various bases; a primer layer (first layer) disposed on at least one surface of the base, the primer layer having a specific thickness and comprising as a main component an organosilicon compound having a plurality of silanol groups in the molecule; and a release layer (second layer) disposed on the outer surface of the primer layer, the release layer having a specific thickness and comprising as a main component a cured object obtained from a hydrolyzable fluorinated compound. A release coating film having excellent releasing properties can be stably and easily imparted to various bases, and the primer layer and the release layer can be formed even by room-temperature (25° C.) application.

Find Patent Forward Citations

Loading…