Ceskoslovenska Akademie Ved

Zdenek Tuzar

Vladimir Stoy

Miroslav Stol

A starting monomer mixture containing a minor amount of a cross linking agent is precipitation polymerized in a diluent/precipitant which is an unlimited solvent for the starting monomers but is neither a solvent nor a substantial swelling agent for the resultant polymer. The resultant product falling from the polymerization contains soluble and insoluble hydrophilic polymers and copolymers.

Method of producing glycol methacrylate or glycol acrylate polymers and

A starting monomer mixture containing a minor amount of a cross linking agent is precipitation polymerized in a diluent/precipitant which is an unlimited solvent for the starting monomers but is neither a solvent or a substantial swelling agent for the resultant polymer. The amount of cross linking agent is maintained during polymerization at a critically low percent by volume relative to the entire polymerization mixture. The resultant product falling from the polymerization contains substantially only soluble hydrophilic polymers and copolymers.

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Zdenek Tuzar