简要介绍了不饱和端羟基聚醚的封端方法。
The method of blocking unsaturated polyether has been described.
简要介绍了不饱和端羟基聚醚的封端方法。讨论了封端剂用量、反应温度和时间等因素对封端反应的影响问题。
The method of blocking unsaturated polyether has been described. The effects of amounts of blocking agent, temperature and time on the blocking reaction were studied.
其次对双羟基聚醚的端烯丙基化反应进行研究，讨论了反应时间、反应温度、聚醚分子量、烯丙基化试剂的种类和用量对反应的影响。
The terminal allylation reaction was studied which was influenced by reaction time, reaction temperature, category and dosage of allylation reagent and molecular weight of polyether.
其次，本文用正交实验设计和单因素寻优等有关实验方法对端羟基环氧环己烷-四氢呋喃共聚醚的合成工艺进行了研究。
Secondly, with the orthogonal design method and single-factor-experiment, the technics of synthesizing Hydroxyl-terminated copolymer of CHO -thf have been studied in this paper.
首先，本文借助正交实验设计和单因素寻优等有关实验方法对端羟基环氧环己烷均聚醚的合成工艺进行了研究。
Firstly, with the orthogonal design method and single-factor-experiment, the technics of synthesizing Hydroxyl-terminated poly (l, 2-cyclohexene oxide) have been studied in this paper.
以羟基作为聚醚链端基的的催化活性最高，在相同条件下，其表观一级速率常数约为的3倍， 为的30倍。
Under the same condition, the pseudo-first-order rate constant kobs (s-1) of BNPP hydrolysis catalyzed by is about 3 times that of , and about 30 times that of , respectively.
以羟基作为聚醚链端基的的催化活性最高，在相同条件下，其表观一级速率常数约为的3倍， 为的30倍。
Under the same condition, the pseudo-first-order rate constant kobs (s-1) of BNPP hydrolysis catalyzed by is about 3 times that of , and about 30 times that of , respectively.
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