It was found that the water disperse polyisocynates can be obtained from the HDI trimer and PEG 1000.The amount of the PEG1000 used should be greater than 20% of the isocynates by weight.

• 通过不同的异氰酸酯与不同的乳化剂反应,考察了所生成的交联剂在水中的分散情况,发现HDI三聚体与PEG1000反应所得交联剂在水中的分散效果较好。