C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
403/2, 400/5050
C08J 5/20 (2006.01) B01J 39/20 (2006.01) B01J 41/14 (2006.01) C08F 257/02 (2006.01) C08F 285/00 (2006.01) C08F 291/00 (2006.01)
Patent
CA 1207950
ABSTRACT OF THE DISCLOSURE A process for preparing copolymer beads suitable for conversion to ion exchange resins, comprising forming a polymeric matrix containing a plurality of free radicals, and continuously adding to said matrix, under conditions suitable for polymerizing a monomer feed which is imbibed by and polymerized within the matrices. Ion exchange resins prepared from beads made by such process exhibit improved osmotic and mechanical properties.
433375
Smart & Biggar
The Dow Chemical Company
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