Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1978-05-24
1980-02-05
Wong, Jr., Harry
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526344, 528487, 260318HA, C08F11406
Patent
active
041873637
ABSTRACT:
A method of achieving chain transfer in the polymerization of a vinyl chloride monomer to polyvinyl chloride, utilizing aldehydes of 3 to 6 carbon atoms as the chain transfer agent and treating the polymerization mixture with an alkali bisulfite, such as sodium bisulfite or potassium bisulfite solution after the vinyl chloride monomer has been stripped from the polymerization mixture to obtain modified polyvinyl chloride having improved compounded physical properties.
REFERENCES:
patent: 2414934 (1947-01-01), Denny
patent: 4060677 (1977-11-01), Walker
Cich Frank A.
Marshall Richard A.
Smith Edwin S.
The Goodyear Tire & Rubber Company
Wolfe J.D.
Wong, Jr. Harry
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