Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tetsuji Kawazura0
Makoto Ashiura0
Date of Patent
April 20, 2010
0Patent Application Number
122402010
Date Filed
September 29, 2008
0Patent Primary Examiner
Patent abstract
A modified butyl rubber composition comprising a butyl rubber modified by mixing, under heating, (a) a compound having a nitroxide-free radical in the molecule thereof, which is stable at an ordinary temperature even in the presence of oxygen, (b) a radical initiator, and (c) a bi- or more-functional radical polymerizable monomer and further by compounded with (d) a bi- or more-functional radical polymerizable monomer, which is different from the ingredient (c).
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