A cation polyurethane emulsion for glass fibers is prepared from TDI, polyether diol, castor oil,diethylene glycol, hydrophile extender, etc.

• 以甲苯二异氰酸酯、聚醚多元醇、蓖麻油、一缩二乙二醇及亲水性扩链剂等为原料制得一种阳离子型聚氨酯乳液，用于玻璃纤维浸润剂。