In this paper,W amino polyoxyalkylene were synthesized by two steps.In the first step,polyoxyalkylene were brominated.In the second,the brominated polyoxyalkylene were aminated.
本文用聚乙二醇先溴代,再氨化的二步法,了胺基单取代聚乙二醇衍生物。
In this paper,W amino polyoxyalkylene were synthesized by two steps.In the first step,polyoxyalkylene were brominated.In the second,the brominated polyoxyalkylene were aminated.
本文用聚乙二醇先溴代,再氨化的二步法,了胺基单取代聚乙二醇衍生物。
while polyoxyalkylene was prepared with propenol as initiator and sodium hydroxide as catalyst;then polyoxyalkylene was used to the graft modification of the low hydrogen-containing silicone fluid.
时,以丙烯醇为起始剂、碱为催化剂,进乙烷、丙烷的开共聚,制端烯丙基聚烯醚;
声明:以上例句、词性分类均由互联网资源自动生,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。