在固化剂中的异氰酸酯基(-NCO)是活泼的1应性基团,它除了能与主剂分子中的活泼氢反应外,也呆以跟被粘材料表面物质分子中的活泼氢反应,生成化学键,使胶粘剂分...
基于1548个网页-相关网页
关键词:二正丁胺 聚氨酯 异氰酸酯基 [gap=648]Key words:di-n-Butylamine; Polyurethane; Isocyanate group ...
基于58个网页-相关网页
含异氰酸酯基 NCO
或异氰酸酯基 NCO
端异氰酸酯基聚丁二烯 ITPB
端异氰酸酯基丁腈橡胶 ITBN
制备端异氰酸酯基聚酯 ITPE
甲基丙烯酸异氰基乙酯 Isocyanatoethyl methacrylate ; Methacryloyloxyethyl isocyanate ; Isocyanatoethylmethacrylate
异氰酸对氟苯基酯 Fluorophenylisocyanate
异氰酸3-氰基苯酯 cyanophenyl isocyanate
异氰酸4-氰基苯酯 Cyanophenyl isocyanate
扩链剂是用来将聚二甲基硅氧烷两端活性较弱的羟基转变为高活性的异氰酸酯基。
The chain extender is used to convert the low-activity hydroxy groups of both ends of the polydimethylsiloxane into high-activity isocyanate groups.
用含有异氰酸酯基的预聚体对热塑性淀粉材料(T PS)表面进行了疏水化处理。
The surface of thermoplastic starch(TRS) is hydrophobicated with prepolymers having —NCO groups.
最后,当然,利息的主要反应是异氰酸酯基和羟基的聚酯或聚醚组反应形成聚氨酯组。
Lastly, of course, the main reaction of interest is the formation of urethane groups by reaction of isocyanate groups and hydroxy - groups of the polyester or polyether.
应用推荐