Process for the suspension polymerization of vinyl chloride with

Details Process for the suspension polymerization of vinyl chloride with Process for the suspension polymerization of vinyl chloride with

1976-02-23

1978-04-18

Henderson, Jr., Christopher A.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526196, 526200, 526204, 526236, 526344, C08F 220, C08F 200, C08F 1406

Patent

active

040852679

ABSTRACT:
The invention relates to reduction of polymer buildup during the suspension polymerization of vinyl chloride, either alone or with other olefinically unsaturated monomers copolymerizable therewith. There is employed a particular combination of ingredients in the polymerization recipe, the essential features being the use of a water phase inhibitor and an oil phase inhibitor along with a substantially water-insoluble polymerization initiator and operating at a high pH. A multiplicity of charges may be polymerized in the reactor without opening the same.

REFERENCES:
patent: 3669946 (1972-06-01), Koyanagi
patent: 3817959 (1974-06-01), Balwe
patent: 3900455 (1975-08-01), Kraft
patent: 3926910 (1975-12-01), Mowdood

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