Patent ID: 8907137
Filing Date: 2014-12-09
Classification: C08G

Abstract:
1. A process comprising: a) contacting bisphenol-A or a polyaliphatic alcohol selected from the group consisting of 1,3-propanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, dipropylene glycol, polypropylene glycol, ethylene glycol, polyethylene glycol, neopentyl glycol, cyclohexane diol, hydrogenated bisphenol A, cyclohexane dimethanol, alkoxylated glycerol, castor oil, sorbitol, glycerol, pentaerthritol, linseed oil, and trimethylolpropane with an epihalohydrin in the presence of a catalyst comprising a Schiff base metal complex selected from the group consisting of a catalyst defined by the formula: in a reaction zone under reaction conditions to produce a first reaction product comprising a halohydrin ether; and b) contacting said halohydrin ether with a base in a reaction zone under reaction conditions to produce a second reaction product comprising an epoxy resin.