Polyurethane has several advantages,such as nontoxic.do not pollute the environment,good adhesion. It showed good value in eco-friendly ink applications. Modification recent advances in waterborne polyurethane resin for eco-friendly ink were described which were modified by synthesized monomer and agricultural products. The choice of colorants,additives and dispersants for waterborne polyurethane ink link material applications were also described. Finally, development direction of polyurethane for water-based ink link material was pointed out, and to provide reference for application of polyurethane in water-based ink.%聚氨酯具有无毒、不易污染环境、附着力好等优点,在环保水性油墨中已显示出优异的应用价值,其研究正受到人们的关注.简述了用合成单体和农副产品等对水性聚氨酯连结料的改性研究进展,以及水性聚氨酯连结料在油墨生产中对着色剂、助剂和分散剂的选择,展望了聚氨酯作为水墨连结料未来发展方向,为聚氨酯在水性油墨中的应用研究提供参考.
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