Vapor phase synthesis of rubbery polymers

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, 526129, 526137, 526141, 526159, 526168, 5261691, 526901, 5263402, 5263404, 526903, 524722, 524741, 524856, C08F 234, C08F13606, C08F13608




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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