Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1988-01-22
1989-07-25
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C08F25900
Patent
active
048514799
ABSTRACT:
Heterogeneous copolymers of vinylidene fluoride and chlorotrifluoroethylene are obtained by copolymerization in suspension or emulsion in two stages. In a first stage the vinylidene fluoride and the chlorotrifluroethylene are copolymerized, and in a second stage the polymerization of vinylidene fluoride is continued after discontinuance of the introduction of chlorotrifluoroethylene.
REFERENCES:
patent: 3580975 (1971-05-01), Rademacher
patent: 3798287 (1974-03-01), Murayawa et al.
patent: 3929934 (1975-12-01), Moore et al.
patent: 4151225 (1979-04-01), Buning
patent: 4469846 (1984-09-01), Khan et al.
patent: 4612351 (1986-09-01), Caporiccio et al.
Blaise Jean
Kappler Patrick
Atochem
Sarofim N.
Schofer Joseph L.
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