Process for preparing macroreticular resins, copolymers and prod

Details Process for preparing macroreticular resins, copolymers and prod Process for preparing macroreticular resins, copolymers and prod

1980-06-03

1983-05-03

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

521 32, 521 33, 526347, C08F 218, B01J 4114

Patent

active

043821243

ABSTRACT:
A process for preparing reticular crosslinked copolymer beads by suspension copolymerization in an aqueous medium a polyvinylidene monomer and a monovinyl aromatic hydrocarbon monomer in a liquid precipitant which has a low solubility in the aqueous medium, is a solvent for the monomer mixture and does not appreciably swell the copolymer, the liquid precipitant and said polyvinylidene monomer each being present in an amount exceeding the critical concentration of each needed for phase separation of the copolymer from the monomer phase, and the products produced by said process.

REFERENCES:
patent: 3549562 (1970-12-01), Mindick et al.
patent: 3637535 (1972-01-01), Corte et al.
patent: 4224415 (1980-09-01), Meitzner et al.

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