VINYLHYDROGENPOLYSILOXANE ADHESIVE COMPOSITION

WIPO Patent Application WO/2010/129123

A3

Vinylhydrogenpolysiloxanes are provided. The vinylhydrogenpolysiloxanes comprise organopolysiloxanes having at least two silicon-bonded hydrogen atoms and at least two silicon-bonded vinyl groups. As a fraction of the total number of silicon atoms in the vinylhydrogenpolysiloxanes, about 25% to about 90% of the silicon atoms are bonded to a hydrogen atom and about 10% to about 45% are bonded to a vinyl group. The ratio of the number of silicon-bonded hydrogen groups to the number of silicon-bonded vinyl groups is about 1.3 to about 6. Also provided are silicone compositions comprising at least one vinylhydrogenpolysiloxane and a hydrosilylation catalyst; silicone adhesives comprising a cured product of at least one vinylhydrogenpolysiloxane; and laminates comprising at least one such silicone adhesive. When subjected to high temperatures or direct flame, the vinylhydrogenpolysiloxanes form chars that retain adhesion to various substrates.

GREER NATHAN (US)
SHOPE MARILYN (US)
SUTO MICHITAKA (US)
ZHONG BIANXIAO (US)
ZHU BIZHONG (US)

PCT/US2010/030023

January 06, 2011

April 06, 2010

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DOW CORNING (US)
GREER NATHAN (US)
SHOPE MARILYN (US)
SUTO MICHITAKA (US)
ZHONG BIANXIAO (US)
ZHU BIZHONG (US)

C08G77/12; B32B7/12; B32B27/00; C08G77/20

WO2008036662A2	2008-03-27
WO2003080753A1	2003-10-02

US4339564A	1982-07-13
EP0490401A2	1992-06-17
US20070265410A1	2007-11-15

MC NEELY, Richard, J. et al. (One South Main Street Suite 1300,Fifth Third Cente, Dayton OH, US)

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