FLOWABLE ISOOLEFIN POLYMERS CONTAINING BROMINE AND PROCESS FOR PRODUCTION THEREOF
First Claim
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2. The process of claim 1 wherein the ozone treated polymer in solution is contacted with water prior to recovery of the flowable polymer.
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Abstract
Brominated isoolefin polymers are ozonized in solution to yield flowable bromine-containing polymers of an isoolefin which may be cured with polyfunctional curing agents.
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Citations
5 Claims
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2. The process of claim 1 wherein the ozone treated polymer in solution is contacted with water prior to recovery of the flowable polymer.
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3. The process of claim 1 wherein the isoolefin of the high molecular weight polymer is isobutylene and the conjugated diolefin is isoprene, said isobutylene being from about 95 to 99.5 mole per cent and said isoprene being from about 5 to 0.5 mole per cent of said high molecular weight polymer.
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4. The process of claim 3 wherein the high molecular weight polymer contains from about 1 to about 12 weight per cent of bromine and said flowable polymer has a molecular weight of from about 1,000 to about 12,000.
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5. The process of claim 1 wherein said polyfunctional curing agent is selected from toluene di-isocyanate and tris(1-(2 methyl)-aziridinyl) phosphite.
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