Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1977-01-26
1979-03-20
Henderson, C. A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526176, 526180, 526181, 526335, 526340, 526919, C08F 408, C08F 416, C08F 3606, C08F 3608
Patent
active
041454987
ABSTRACT:
Continuous or incremental addition of a coupling agent, such as silicon tetrachloride, during the polymerization step of organolithium initiated polymerization processes results in polymers of improved processability, as well as other improved properties such as high green strength, low die swell, and minimal shrinkage on extrusion.
REFERENCES:
patent: 3595941 (1971-07-01), Farrar
patent: 3624057 (1971-11-01), Farrar
patent: 3651025 (1972-03-01), Bean, Jr.
patent: 3652516 (1972-03-01), Farrar
patent: 3776893 (1973-12-01), Naylor
Henderson C. A.
Phillips Petroleum Company
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