Substituted phenol chain terminator for polyvinyl chloride polym

Details Substituted phenol chain terminator for polyvinyl chloride polym Substituted phenol chain terminator for polyvinyl chloride polym

1982-09-16

1986-10-28

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526210, 526211, 526212, 526344, C08F 242, C08F11406

Patent

active

046199780

ABSTRACT:
An improved process for terminating the suspension polymerization reaction of vinyl chloride monomer into polyvinyl chloride which comprises adding hindered phenols of the structure presented hereinafter to the polymerization reaction at a point in time when a predetermined amount of monomer conversion has occurred.

REFERENCES:
patent: 3225108 (1965-12-01), Sturgis
patent: 3502629 (1970-03-01), Matthews
patent: 3926910 (1975-12-01), Mowdood
patent: 4401798 (1983-08-01), Ceprini et al.

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