Process for the control of free radical polymerization

Details Process for the control of free radical polymerization Process for the control of free radical polymerization

1979-12-27

1981-11-10

Wong, Jr., Harry

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

428402, 525287, 526275, C08F21406, C08F23002

Patent

active

042999405

ABSTRACT:
The free radical copolymerization of vinyl chloride, vinyl acetate, and bis(hydrocarbyl)vinyl phosphonate in emulsion is moderated by the addition at the beginning of the reaction of an electronically resonating additive such as alphamethylstyrene. The use of such an additive limits the increase in viscosity of the system without retarding the rate of polymerization.

REFERENCES:
patent: 3983294 (1976-09-01), Goswami
patent: 3993715 (1976-11-01), Hwa et al.
patent: 4014837 (1977-03-01), Kraft et al.
patent: 4031045 (1977-06-01), Goswami
patent: 4035571 (1977-07-01), Brunner et al.
patent: 4097663 (1978-06-01), Gallagher et al.

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