The crosslinking polyurethane emulsions were prepared from polyether,stoluene diisocyanate, dimethanol propionic acid, trimethanol propane (TMP), etc.

• 由聚醚、甲苯二异氰酸酯、二羟甲基丙酸及三羟甲基丙烷（TMP）等为原料制备交联型聚氨酯乳液。