Two series of thermotropic liquid crystalline polyureas were synthesized by the copolymerization of benzidine (or o-tolidine),1,6-hexane diamine and 2,4-toluene diisocyanate.
为型热致液晶聚脲,以含液晶基元的联苯二(或联邻甲苯)、1,6-己二、2,4-甲苯二氰酸为原料进行。
Two series of thermotropic liquid crystalline polyureas were synthesized by the copolymerization of benzidine (or o-tolidine),1,6-hexane diamine and 2,4-toluene diisocyanate.
为型热致液晶聚脲,以含液晶基元的联苯二(或联邻甲苯)、1,6-己二、2,4-甲苯二氰酸为原料进行。
Toluene diisocyanate (TDI) is one of the most useful kinds of isocyanateth that is produced by the method of phosgenation of amine.
甲苯二氰酸(TDI)氰酸化物中应用最广泛的品种之一,其工业生产主要采用光化法。
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。