介绍了使用DMC催化剂生产低不饱和度聚醚时存在的问题。
The problems in production of low unsaturation polyether with DMC catalyst were introduced.
讨论了聚合物多元醇和水用量、低不饱和度聚醚等因素对泡沫性能的影响。
The effects of amounts of polymer polyol and water, low unsaturated polyether polyol on properties of foam were discussed.
介绍了高分子量低不饱和度聚醚的制备方法及其在聚氨酯泡沫、弹性体中的应用。
The synthesis of high molecular weight polyether polyol as well as the applications of such polyol are introduced in the paper.
本发明主要涉及一种用于合成高分子量低不饱和度聚醚多元醇的新型双金属氰化物催化剂(DMC)及其制备方法。
This invention relates to a new duplex metal cyanide catalyst (DMC) used in synthesizing polyether polyol with high molecular weight and low degree of unsaturation and method for making same.
用双金属氰化物(DMC)络合催化剂可制得相对分子质量高、相对分子质量分布窄和不饱和度低的聚醚多元醇。
The polyether polyols which has higher molecular weight, narrower molecular weight distribution and lower unsaturation can be prepared by using double metal cyanide (DMC) complex catalysts.
实验发现，用DMC催化剂合成的聚醚与用KOH催化剂合成的聚醚相比不饱和度低，相对分子质量高，相对分子质量分布窄。
The polyether polyols prepared by these DMC catalysts are of low unsaturation, high relative molecular mass, narrow molecular distribution compared with traditional KOH catalysts.
实验发现，用DMC催化剂合成的聚醚与用KOH催化剂合成的聚醚相比不饱和度低，相对分子质量高，相对分子质量分布窄。
The polyether polyols prepared by these DMC catalysts are of low unsaturation, high relative molecular mass, narrow molecular distribution compared with traditional KOH catalysts.
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