【摘要】 采用拉伸、冲击、扫描电镜等实验方法研究了聚氨酯泡沫体的结构和性能。着重阐述了全水发泡中的主要因素如水的用量、复合催化剂的比例以及异氰酸酯指数对泡沫体性能的影响。更多还原

【Abstract】 It was studied the structure and property of the polyurerathane foams by using tensile test, impact test and SEM,ect. It was affected by the main factors , such as the amount of water, the rate of composite catalyzer and isocyanate index.更多还原