C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/366, 402/453
C08F 8/24 (2006.01) C08F 8/32 (2006.01)
Patent
CA 1147897
ABSTRACT OF THE DISCLOSURE Improved process for the chloromethylation of cross- linked vinyl aromatic polymers and copolymers wherein a chlorine generator is incorporated into the reactants and a metallic chloride replaces part or all of the sulfuric acid used in forming the chloromethylating complex. The chloromethylated polymer may be further functionalized to produce an ion-exchange resin.
319996
Boutier Jacques L.
Grammont Paul D.a.
Herbin Jean E.e.
Diamond - Shamrock Corporation
Gowling Lafleur Henderson Llp
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