用本体加成-聚合工艺,合成了一种新型单组分、无溶剂、室温湿固化端异氰酸酯-聚丙烯酸酯共聚物。考察了合成工艺、NCO/OH摩尔比、异氰酸酯种类、丙烯酸酯单体对其粘接性能及丙烯酸酯转化率的影响,用红外光谱对生成物的结构进行了表征。...用本体加成-聚合工艺,合成了一种新型单组分、无溶剂、室温湿固化端异氰酸酯-聚丙烯酸酯共聚物。考察了合成工艺、NCO/OH摩尔比、异氰酸酯种类、丙烯酸酯单体对其粘接性能及丙烯酸酯转化率的影响,用红外光谱对生成物的结构进行了表征。实验表明,M D I/PM D I质量比为1/2,NCO/OH摩尔比为15/1,丙烯酸酯单体采用半连续加料法,过氧化环己酮/N,N-二甲基苯胺复合引发,丙烯酸酯单体转化率可达到100%。用于橡木/聚丙烯(PP)粘接,PP破坏,剥离强度可达到15.4 N/cm。展开更多
Seven new compounds of the type of N substituted phenyl N′ [6 (2 chlorobenzothiazol)yl]urea,were synthesized with yield 74%～88% by a series of reactions of 2 nitrochlorobenzol with substituted phenylamine respective...Seven new compounds of the type of N substituted phenyl N′ [6 (2 chlorobenzothiazol)yl]urea,were synthesized with yield 74%～88% by a series of reactions of 2 nitrochlorobenzol with substituted phenylamine respectively,the structures of compounds were characterized by elemental analysis, 1HNMR and IR.展开更多
文摘用本体加成-聚合工艺,合成了一种新型单组分、无溶剂、室温湿固化端异氰酸酯-聚丙烯酸酯共聚物。考察了合成工艺、NCO/OH摩尔比、异氰酸酯种类、丙烯酸酯单体对其粘接性能及丙烯酸酯转化率的影响,用红外光谱对生成物的结构进行了表征。实验表明,M D I/PM D I质量比为1/2,NCO/OH摩尔比为15/1,丙烯酸酯单体采用半连续加料法,过氧化环己酮/N,N-二甲基苯胺复合引发,丙烯酸酯单体转化率可达到100%。用于橡木/聚丙烯(PP)粘接,PP破坏,剥离强度可达到15.4 N/cm。
文摘Seven new compounds of the type of N substituted phenyl N′ [6 (2 chlorobenzothiazol)yl]urea,were synthesized with yield 74%～88% by a series of reactions of 2 nitrochlorobenzol with substituted phenylamine respectively,the structures of compounds were characterized by elemental analysis, 1HNMR and IR.
