Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1973-06-28
1979-09-04
Levin, Stanford M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526330, 5263442, C08F 438
Patent
active
RE0300900
ABSTRACT:
Process for the polymerization of vinyl chloride or the copolymerization of vinyl chloride and vinyl acetate at temperatures of less than about 70.degree. C., in the presence of a polymerization initiator which is a blend of an acetyl alkylsulfonyl peroxide with (A) a peroxydicarbonate, (B) a diacyl peroxide and a tertiary-alkyl neoacid peroxyester or (C) a diacyl peroxide and a peroxydicarbonate.
REFERENCES:
patent: RE25763 (1965-04-01), Marous et al.
patent: 3205204 (1965-09-01), Heckmaier et al.
patent: 3373150 (1968-03-01), Pears et al.
patent: 3420807 (1969-01-01), Harrison et al.
patent: 3717621 (1973-02-01), Hauss et al.
Hechmer, Jr. Carl A.
Levin Stanford M.
Pennwalt Corporation
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