Vapor phase synthesis of cis-1, 4-Polyisoprene

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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526 88, 526142, 526129, 526159, 526168, 5263402, 5263404, 526901, 524722, 524856, 528501, C08F 234, C08F13606, C08F13608

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060667052

ABSTRACT:
By utilizing the vapor phase polymerization techniques of the present invention, numerous distinct and highly beneficial advantages are realized. For instance, cis-1,4-polyisoprene rubber and high cis-1,4-polybutadiene rubber having a consistent and controllable molecular weight can be easily and practically prepared without utilizing a solvent. The subject invention more specifically discloses a method for vapor phase polymerizing isoprene into cis-1,4-polyisoprene in a process comprising the steps of:

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