Patent ID: 8912363
Filing Date: 2014-12-16
Classification: C07C,C08G

Abstract:
1. A process for producing a chlorinated polyether, the process comprising conducting ring-opening polymerization of a chlorinated epoxy compound represented by the following formula (3) in the presence of an acid catalyst in the range of 1×10 −5 to 0.1 mol per mol of the chlorinated epoxy compound represented by the formula (3) using as a polymerization initiator an active hydrogen-containing compound which is at least one selected from the group consisting of ethylene glycol, propylene glycol, glycerol, pentaerythritol and sorbitol; wherein the amount of polymerization initiator provides 0.02 to 1.5 mol of active hydrogen per mol of the chlorinated epoxy compound represented by the formula (3), wherein the acid catalyst is selected from the group consisting of a boron halide compound and an organoboron compound, and the chlorinated polyether consists of: repeating units of a chlorinated-ether residue represented by the following formula (1) and a chlorinated-ether residue represented by the following formula (2); residue units derived from said polymerization initiator; and hydroxyl groups at the ends of the chlorinated polyether; wherein a molar ratio of the chlorinated-ether residue represented by the following formula (1) to the chlorinated-ether residue represented by the following formula (2) is from 20/80 to 80/20,