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Title:
HEAVY RELEASE ADDITIVE FOR RELEASE SHEET, ORGANOPOLYSILOXANE COMPOSITION FOR RELEASE SHEET, AND RELEASE SHEET
Document Type and Number:
WIPO Patent Application WO/2016/060084
Kind Code:
A1
Abstract:
　Provided are: a heavy release additive for a release sheet, for imparting an excellent release coating whereby heavy release force is obtained, curability is not reduced, low-temperature curing is possible, and there is also minimal reduction in residual adhesion rate of a released adhesive sheet; an addition-reaction-type organopolysiloxane composition; and a release sheet. A heavy release additive for a release sheet, containing an acrylic-silicone-based graft copolymer having a weight-average molecular weight of 30,000-2,000,000 obtained by radical polymerization of an organopolysiloxane compound (A) having a radical-polymerizable group, and a radical-polymerizable monomer (B) having an acrylic group and/or a methacrylic group, the heavy release additive for a release sheet wherein the component (A) includes an organopolysiloxane compound (A1) having one radical-polymerizable group in each molecule thereof, and the component (B) includes a radical-polymerizable monomer (B2) having two or more radical-polymerizable groups in each molecule thereof.

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Inventors:
YAMAMOTO KENJI (JP)
KANAI TOMOYA (JP)
SAKUTA KOJI (JP)
NAKAJIMA TSUTOMU (JP)
Application Number:
PCT/JP2015/078790
Publication Date:
April 21, 2016
Filing Date:
October 09, 2015
Export Citation:
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Assignee:
SHINETSU CHEMICAL CO (JP)
International Classes:
C09K3/00; B32B27/00; C08F30/08; C08F290/06; C08J7/043; C08L55/00; C08L83/05; C08L83/07; C09D7/65
Foreign References:
JPS6429459A1989-01-31
JPH11315252A1999-11-16
JPH03255183A1991-11-14
JP2010037557A2010-02-18
JPH11100509A1999-04-13
JP2000034326A2000-02-02
JPH08302306A1996-11-19
JP2008050549A2008-03-06
JPH04323284A1992-11-12
JPH08301954A1996-11-19
Other References:
See also references of EP 3208322A4
Attorney, Agent or Firm:
KOJIMA Takashi et al. (JP)
Takashi Kojima (JP)
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