【摘要】 以二异氰酸酯、聚四氢呋喃醚多元醇为主要原料,通过添加环氧树脂进行接枝改性,合成了环氧树脂改性聚氨酯弹性体。该弹性体力学性能优良、透水系数低。更多还原

【Abstract】 With diisocyanate,poly four tetrahydrofuran ether polybasic alcohol as main raw material,by adding epoxy resin modified by grafting,the synthesis of epoxy resin modified polyurethane prepolymer.The elastic mechanical performance,low permeability coefficient.更多还原