Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1985-02-11
1987-09-22
Henderson, Christopher
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
5263442, C08F 220
Patent
active
046956166
ABSTRACT:
An improved process for the polymerization and copolymerization of vinyl chloride in suspension, characterized by using, together with the normal polymerization agents, a single suspending agent consisting of partially saponified polyvinyl acetate of medium degree of hydrolysis, prepared by the controlled alkaline alcoholysis of polyvinyl acetate in the presence of methyl acetate.
REFERENCES:
patent: 3817959 (1974-06-01), Balwe 526202
Caporossi Adolfo
Del Signore Leonello
ANIC, S.p.A.
Henderson Christopher
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