常温自交联型水性环氧树脂纳米乳液的研究进展

Progress of ambient self cross-linkable water-borne epoxy resin nano emulsion

详细介绍了常温自交联型水性环氧树脂纳米乳液的研究进展。首先介绍了环氧树脂水性化的途径及各自的特点,主要包括直接乳化法、相反转乳化法、自乳化法和固化剂乳化法等。介绍了常温自干型水性环氧树脂乳液的实现途径,主要包括羰基与酰肼基团室温自交联、硅氧烷室温自交联、不饱和脂肪酸双键室温自氧化交联、异氰酸酯基团室温自交联、基于Michael加成反应的室温交联、氮丙啶与羧基的室温交联、环状碳酸酯与胺基的室温交联、脂环族环氧基团与羧基的室温交联、金属离子与羧基、磺酸基等螯合作用室温交联、辐射固化型常温自交联、常温多重自交联和包埋固化剂型室温自交联等技术,并详细介绍了其机理。最后,指出了常温自交联型水性环氧树脂乳液目前存在的问题,并对其未来的发展方向进行了展望。

The research progress of ambient self cross-linkable modified water-borne epoxy resin nano emulsion were described comprehensively.First,the implement ways of water-based epoxy resin and their characteristics were introduced,including direct emulsification method,phase inversion emulsification method,self-emulsifying method and curing agent emulsification method.Then,the implement ways of ambient self cross-linkable modified water-borne epoxy resin nano emulsion were introduced in detail,including the carbonyl group and hydrazide ambient self-crosslinking,silicone ambient self-crosslinking,the double bonds of unsaturated fatty acid oxidation ambient self-crosslinking,isocyanate group ambient self-crosslinking,crosslinking by michael addition reaction,crosslinking between aziridinyl group or its derivative and carbonyl group,crosslinking of cycllic carbonates with amine,crosslinking between cycloaliphatic diepoxide and carbonyl group,crosslinking by chelation of metal salts with carbonyl and/or sulfo group,ambient multiple self-crosslinking;radiation-curing ambient self-crosslinking,and embedded hardener ambient self-crosslinking technology,and their details mechanism.Finally,some of the basic problems currently existing in the field and some ideas of solutions were advanced and the development trends were prospected.