Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1981-08-31
1982-11-23
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526255, 524545, 524805, C08K 505
Patent
active
043606520
ABSTRACT:
Vinylidene fluoride polymers of high quality are prepared consistently by an emulsion polymerization process in which the monomer, chain transfer agent (isopropyl alcohol), and an aqueous emulsion of the initiator (diisopropylperoxydicarbonate) containing a fluoro surfactant of a limited class are fed incremently to an aqueous reaction medium containing a fluoro surfactant.
REFERENCES:
patent: 3061401 (1962-12-01), Gallagher
patent: 3839305 (1974-10-01), Moore
patent: 3857827 (1974-12-01), Dohany
patent: 4092470 (1978-05-01), Oosterwijk et al.
Lipman Bernard
Pennwalt Corporation
Schofer Joseph L.
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