Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1981-04-20
1982-11-30
Hamrock, William F.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
525265, C08F 434
Patent
active
043616887
ABSTRACT:
Novel peroxydicarbonates are provided in which the alkyl carbonate moiety is 2-alkyl-2-phenyl substituted. The compounds are useful as polymerization initiators of ethylenically unsaturated monomers, such as vinyl chloride, and as catalysts of unsaturated polyester resins. The subject peroxydicarbonates are characterized in that they are solid at room temperature, have ambient temperature stability in spite of a low 10 hour half-life temperature, and can normally be transported and stored without refrigeration.
REFERENCES:
patent: 3636137 (1972-01-01), Gerritsen et al.
patent: 3855351 (1974-10-01), Sanchez
patent: 3985720 (1976-10-01), Manner
patent: 4008175 (1977-02-01), Barter
Halle Reidar
Peterson David
Argus Chemical Corporation
Hamrock William F.
Kulkosky Peter F.
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