Study on Preparation of One-component Waterborne Modified AcrylicResin Topcoat and Its Application

YU Guo[1];LIAO Zhi-gang[1];QIAN Hai-bo[1];LI Jia-qing[1];ZHANG Peng-long[1];DU Li-feng[1];WANG Li-ming[2]

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Modern Paint & Finishing ›› 2022, Vol. 25 ›› Issue (8) : 6-9.

Study on Preparation of One-component Waterborne Modified AcrylicResin Topcoat and Its Application

YU Guo[1];LIAO Zhi-gang[1];QIAN Hai-bo[1];LI Jia-qing[1];ZHANG Peng-long[1];DU Li-feng[1];WANG Li-ming[2]

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Abstract

Firstly,the acrylic resin was modified by dimethylamino ethyl methacrylate(DMAEMA)to realize the good miscibility with waterbome alkyd resin.And then the gloss,fllness and salt spray resistance of one-component waterborne acrylic topcoat were improved by introducing castor oil modified waterborme alkyd resin.Lastly,the optimal one-component waterborne acrylic topcoat was developed by adjusting DMAEMA ratio in acrylic resin,adding amount of alkyd resin,acid value,T_(g) of acrylic resin and co-solvent.

Key words

waterborne modified acrylic resin;waterborne castor oil modified alkyd resin;modified;topcoat

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YU Guo[1];LIAO Zhi-gang[1];QIAN Hai-bo[1];LI Jia-qing[1];ZHANG Peng-long[1];DU Li-feng[1];WANG Li-ming[2]. Study on Preparation of One-component Waterborne Modified AcrylicResin Topcoat and Its Application[J]. Modern Paint & Finishing. 2022, 25(8): 6-9