Process for producing low molecular weight isoolefin polymers
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United States of America Patent
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Nov 16, 1993
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app pub date -
Feb 25, 1993
filing date -
Aug 23, 1990
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Abstract
A process is provided for producing a low molecular weight isoolefin polymer by contacting at conversion conditions a higher molecular weight saturated isoolefin polymer, for example, polyisobutylene or a copolymer of a C.sub.4 to C.sub.7 isoolefin and a para-alkylstyrene, in the melt phase, with an initiator, such as an oxygen-containing gas, an organic peroxide or an azo compound.
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