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Patent Searching and Data


Title:
PREPARATION OF VINYL-SILICONE COPOLYMER
Document Type and Number:
Japanese Patent JP03088815
Kind Code:
A
Abstract:

PURPOSE: To obtain the subject copolymer with a distinctive release characteristics and being useful as a release coating advantageously in cost by copolymerizing a specified free-radical polymerizable monomer and a mercapto-functional silicone compd. in the presence of an initiator.

CONSTITUTION: A free-radical polymerizable monomer (A) mixed with a solvent for obtaining a feeding material with an effective dielectric const. of at least 2.5, a mercapto-functional silicone compd. (B) of formula [wherein R1 is an alkyl, etc.; R2 and R4 are each divalent bonding value; R3 is an alkyl, an aryl, etc.; R5 and R6 are each an alkyl, an aryl and -ZSH (wherein Z is a divalent bonding group); x and q are each 0-3; y≥10] and an initiator (C) which can form a free radical by being exposed to a polymn. initiating means (pref., thermal decomposition, etc.,) are mixed to initiate free-radical polymn. and the polymn. is continued until an aimed copolymer is formed.


Inventors:
Kantner, Steven S.
Kumar, Ramesh C.
Eian, Gilbert L.
Application Number:
JP1990000214216
Publication Date:
April 15, 1991
Filing Date:
August 13, 1990
Export Citation:
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Assignee:
MINNESOTA MINING & MFG CO <3M>
International Classes:
C08F283/12; C08F293/00; C08F297/00; C08G77/28; C08G77/392; C08G77/442; C09D5/20; C09D151/00; C09D151/08; C09D153/00; C09D183/10; C08F283/00; C08F293/00; C08F297/00; C08G77/00; C09D5/20; C09D151/00; C09D151/08; C09D153/00; C09D183/10; (IPC1-7): C08F283/12; C08F293/00; C09D5/20; C09D151/08; C09D153/00