Process for preparing colorless hydroxyl epihalohydrin polymers

Details Process for preparing colorless hydroxyl epihalohydrin polymers Process for preparing colorless hydroxyl epihalohydrin polymers

C - Chemistry, Metallurgy

07

C

260/632.1

C07C 43/13 (2006.01) C08G 18/50 (2006.01) C08G 65/10 (2006.01) C08G 65/24 (2006.01) C08G 65/30 (2006.01)

Patent

CA 1187515

ABSTRACT OF THE DISCLOSURE In a process for the polymerization of an epiha- lohydrin wherein the catalyst (initiator) employed is a trialkyl oxonium salt of an HMF6 acid wherein M is a Group V element selected from the group consisting of phosphorus, arsenic and antimony, and the polymerization is conducted in the presence of controlled amounts of water or a polyol to obtain hydroxyl containing low molecular weight polymers, a colorless polymer is ob- tained when the reaction product is washed with an aqueous solution of an alkal metal carbonate.

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