C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/20 (2006.01) C08C 19/12 (2006.01) C08F 6/24 (2006.01)
Patent
CA 2119244
A process for halogenating star-branched butyl rubber is provided wherein water and a wetting agent or wetting agent prec- ursor are added to a solution comprising the star-branched butyl rubber, solid particles of branching agent and an organic solvent prior to the neutralization step to increase the rate of neutralization of the hydrogen halide by-product of the halogenation reac- tion.
Fusco James V.
Mcdonald Michael F. Jr.
Powers Kenneth W.
Vanbrackle Hans F.
Wang Hsien-Chang
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
Exxonmobil Chemical Patents Inc.
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