【摘要】 用甲苯二异氰酸酯、聚酯和聚醚通过二步法制备了湿固化单组份聚氨酯密封胶。研究了聚酯和聚醚种类、反应温度和时间、填料和催化剂等对密封胶性能的影响，确定了制备工艺条件和配方。更多还原

【Abstract】 A new moisture cure monocomponent polyurethane sealant was prepared by the reaction of hydroxy - termintited polyethers and polyesters with diisocyanate(TDI). The effect of preparing conditions such as hydroxy terminated polymers, the reaction temperature and time, fillers and catalysts have been studied.更多还原