发明授权
US5371243A Polyethercyclicpolyols from epihalohydrins, polyhydric alcohols, and metal hydroxides 失效
来自表卤代醇,多元醇和金属氢氧化物的聚醚环多元醇

Polyethercyclicpolyols from epihalohydrins, polyhydric alcohols, and
metal hydroxides
摘要:
Method for preparing polyethercyclicpolyol by heating a reaction mixture of an alkali or alkaline earth metal hydroxide with a polyol, adding epihalohydrin to initiate an addition reaction, and heating the mixture until the reaction is complete.
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