POY油剂组成以聚醚、聚氧乙烯脂肪酸酯为主，FDY油剂组成以聚醚、合成酯、聚氧乙烯脂肪醇醚为主。
The finishes for POY mainly contained polyether and polyoxyethylene fatty acid ester, and the finishes for FDY mainly contained polyether, synthetic ester and alkylpolyoxyethylene ether.
该产品通过调整脂肪醇聚氧乙烯醚的环氧乙烷加成数来控制所合 成的表面活性剂的HLB值。
The product controls the HLB value of synthesized surfactant by adjusting the epoxy ethane adduct number of the fatty alcohol polyoxyethylene ether.
考察了几种生物酶作为脂肪醇乙氧基化催化剂的催化活性。实验发现脂肪酶在乙二醇存在的条件下，能使环氧乙烷开环聚合生成脂肪醇聚氧乙烯醚。
Ethoxylation of n_octanol catalyzed by a few of enzymes were studied and the results showed that only lipase with glycol has a certain catalytic activity.
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