Research Progress of Hydrophilic Modification of Polyurethanes Curing Agent

ZHONG Bin[1];WANG Ru[1];ZHANG Zhong-hui[1];ZHANG Ya-ting[1];ZHOU Chun-yu[1];SUN Chu-feng[1]

ZHONG Bin[1];WANG Ru[1];ZHANG Zhong-hui[1];ZHANG Ya-ting[1];ZHOU Chun-yu[1];SUN Chu-feng[1]

Modern Paint & Finishing ›› 2020, Vol. 23 ›› Issue (5) : 26-28.

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Modern Paint & Finishing ›› 2020, Vol. 23 ›› Issue (5) : 26-28.

Research Progress of Hydrophilic Modification of Polyurethanes Curing Agent

ZHONG Bin[1];WANG Ru[1];ZHANG Zhong-hui[1];ZHANG Ya-ting[1];ZHOU Chun-yu[1];SUN Chu-feng[1]

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Abstract

The sealing mechanism of blocking curing agents and the types of blocking agents are introduced.The hydrophilic modification methods(nonionic modification,anionic modification,cation modification and semi-mixed modification)of several polyurethane curing agents are summarized.Finally,some shortcomings and future development trends of several modification methods are summarized.

Key words

waterborne;sealer;polyurethane curing agent

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ZHONG Bin[1];WANG Ru[1];ZHANG Zhong-hui[1];ZHANG Ya-ting[1];ZHOU Chun-yu[1];SUN Chu-feng[1]. Research Progress of Hydrophilic Modification of Polyurethanes Curing Agent[J]. Modern Paint & Finishing. 2020, 23(5): 26-28