Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1979-11-20
1981-07-07
Hamrock, William F.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526340, C08F 456
Patent
active
042775914
ABSTRACT:
Random copolymers of at least one conjugated diene and at least one alpha-methylstyrene type monomer are produced by solution polymerization in the presence of an organolithium initiator and at least one of selected sodium, potassium, rubidium, and cesium compounds.
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Hamrock William F.
Phillips Petroleum Company
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