Hindered phenolic esters of oligomeric glycols as chain terminat

Details Hindered phenolic esters of oligomeric glycols as chain terminat Hindered phenolic esters of oligomeric glycols as chain terminat

1983-04-11

1984-10-16

Henderson, Christopher A.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526209, C08F 238, C08F 242

Patent

active

044776381

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: 3074899 (1963-01-01), Rosahl
patent: 3285855 (1966-11-01), Dexter
patent: 4245073 (1981-01-01), Noel
patent: 4283514 (1981-08-01), Weimer
patent: 4324874 (1982-04-01), Cordes

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