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聚氨酯防水涂料（２）赵守佳（北京市三原建筑粘合材料厂１０００７１）第二讲聚氨酯防水涂料中的化学目前，国内生产的聚氨酯防水涂料大多为双组份化学反应固化型，基中甲组份是由聚醚（或／和聚酯）多元醇和异氰酸酯经缩合聚合而形成的异氰酸酯基封端的预聚体。乙组份是...
Polyurethane waterproof coating (2) Zhao Shoujia (Beijing Sanyuan Building Adhesive Material Factory 100071) Lecture 2 polyurethane waterproof coating chemical At present, the domestic production of polyurethane waterproof coating mostly two-component chemical reaction curing type, base A component Is an isocyanate group-terminated prepolymer formed by condensation polymerization of a polyether (or / and polyester) polyol and an isocyanate. Part B is ...