Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1985-04-17
1986-02-11
Wong, Jr., Harry
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526249, 526253, 526254, 526255, C08F 1422
Patent
active
045699780
ABSTRACT:
Vinylidene fluoride polymers having a wide range of molecular weights are produced with reduced initiator consumption by using trichlorofluoromethane as a chain transfer agent in the emulsion polymerization process. Vinylidene fluoride homopolymers made by the process have a significantly reduced tendency to generate cavities at high temperatures and a greater resistance to discoloration at high temperatures.
REFERENCES:
patent: 3475396 (1969-10-01), McCain et al.
patent: 3616371 (1971-10-01), Ukihashi et al.
patent: 4123602 (1978-10-01), Ukihashi et al.
Pennwalt Corporation
Wong, Jr. Harry
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