Silicone gel composition

Details Silicone gel composition Silicone gel composition

2005-05-06

2010-11-09

Gulakowski, Randy (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

C528S031000

Reexamination Certificate

active

07829648

ABSTRACT:
Provided is a silicone gel composition including (A) an organopolysiloxane containing at least one alkenyl group bonded to a silicon atom within each molecule, represented by an average composition formula: RaR1bSiO(4-a-b)/2(wherein, each R group represents, independently, an alkenyl group, each R1group represents, independently, an unsubstituted or substituted monovalent hydrocarbon group that contains no aliphatic unsaturated bonds, a represents a positive number from 0.0001 to 0.2, b represents a positive number from 1.7 to 2.2, and a+b represents a number within a range from 1.9 to 2.4), (B) an organohydrogenpolysiloxane containing at least two hydrogen atoms bonded to silicon atoms within each molecule, and (C) a platinum-based catalyst. Also provided is the silicone gel composition stated above, in which a penetration value of a cured product of this composition, as defined in JIS K2220, is within a range from 20 to 200. The silicone gel composition generates a silicone gel cured product which displays a low elastic modulus and low stress, and suffers no oil bleeding over time.

REFERENCES:
patent: 3020260 (1962-02-01), Nelson
patent: 4100627 (1978-07-01), Brill, III
patent: 4455691 (1984-06-01), Van Aken Redinger et al.
patent: 4720431 (1988-01-01), Wong
patent: 4720521 (1988-01-01), Spielvogel et al.
patent: 4831080 (1989-05-01), Blizzard et al.
patent: 4861804 (1989-08-01), Nakanishi
patent: 5015691 (1991-05-01), Lewis et al.
patent: 5025073 (1991-06-01), Lewis et al.
patent: 5079300 (1992-01-01), Dubrow et al.
patent: 5092922 (1992-03-01), Kuwata et al.
patent: 5096990 (1992-03-01), Takayanagi et al.
patent: 5132385 (1992-07-01), Sumpter et al.
patent: 5132442 (1992-07-01), Sumpter et al.
patent: 5142035 (1992-08-01), Lewis
patent: 5190827 (1993-03-01), Lin
patent: 5206329 (1993-04-01), Sumpter et al.
patent: 5215635 (1993-06-01), Stein et al.
patent: 5239035 (1993-08-01), Maxson
patent: 5281656 (1994-01-01), Thayer et al.
patent: 5412004 (1995-05-01), Tachibana et al.
patent: 5432280 (1995-07-01), Hara et al.
patent: 5530060 (1996-06-01), Fujiki et al.
patent: 5548038 (1996-08-01), Enami et al.
patent: 5770298 (1998-06-01), Nakamura et al.
patent: 6111221 (2000-08-01), Miyakoshi et al.
patent: 6552096 (2003-04-01), Meguriya
patent: 6645638 (2003-11-01), Fujiki et al.
patent: 6780518 (2004-08-01), Azechi et al.
patent: 6887932 (2005-05-01), Azechi
patent: 6967221 (2005-11-01), Meguriya
patent: 7119143 (2006-10-01), Jarnjevic et al.
patent: 7128977 (2006-10-01), Yamamoto et al.
patent: 2001/0016609 (2001-08-01), Meguriya et al.
patent: 2001/0039323 (2001-11-01), Achenbach et al.
patent: 2002/0014712 (2002-02-01), Meguriya
patent: 2002/0028335 (2002-03-01), Fujiki et al.
patent: 2002/0032270 (2002-03-01), Azechi
patent: 2002/0082377 (2002-06-01), Bohin et al.
patent: 2002/0132891 (2002-09-01), Azechi et al.
patent: 2002/0150768 (2002-10-01), Lewis et al.
patent: 2003/0045615 (2003-03-01), Nakamura et al.
patent: 2003/0105262 (2003-06-01), Mueller et al.
patent: 2005/0038183 (2005-02-01), Ahn et al.
patent: 2005/0038217 (2005-02-01), Ahn et al.
patent: 0 732 373 (1996-09-01), None
patent: 1 424 364 (2004-06-01), None
patent: 1 437 382 (2004-07-01), None
patent: 5-105814 (1993-04-01), None
patent: 6-234922 (1994-08-01), None
patent: 9-138606 (1997-05-01), None
patent: 2000-169714 (2000-06-01), None
patent: 2000-198930 (2000-07-01), None
patent: 2001-081324 (2001-03-01), None
patent: 2003-192909 (2003-07-01), None
patent: 2004-101851 (2004-04-01), None
patent: 2004-231824 (2004-08-01), None
Bruce B. Hardman and Arnold Torkelson “Silicon Compounds (Silicones)”, Encyclopedia of Chemical Technology, vol. 20, 3rdedition, John Wiley & Sons, Inc. 1982, pp. 936-937.
Gelest Technical Catalog “Reactive Silicones: Forging New Polymer Links” 64 pages, 2004.
U.S. Appl. No. 12/233,781, filed Sep. 19, 2008, Tanaka et al.

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