Study on Synthesis of Super Weather Resistance Powder Coatings Based on TGIC and and Its Property

ZENG Hao-hang[1; 2];ZENG Ding[1; 2];MA Zhi-ping[1; 2];ZENG Shao-ling[1; 2];CHEN En-shun[1; 2];CAI Jia-qing[1; 2];LI Yong[1; 2]

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Modern Paint & Finishing ›› 2023, Vol. 26 ›› Issue (8) : 1-4.

Study on Synthesis of Super Weather Resistance Powder Coatings Based on TGIC and and Its Property

ZENG Hao-hang[1,2];ZENG Ding[1,2];MA Zhi-ping[1,2];ZENG Shao-ling[1,2];CHEN En-shun[1,2];CAI Jia-qing[1,2];LI Yong[1,2]

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Abstract

In order to improve the reverse impact resistance of super weather resistance coating,polycaprolactonewasintroduced into the polyester resin formula composed of neopenty1l glycol,trimethylolpropane and isophthalic acid by esterification.The results showed that polycaprolactone reduced the viscosity and glass transition temperature of the resin.The powder coating prepared by polyester resin with 6%polycaprolactone presented excellent reverse impact ability resistance.The incorporation of polycaprolactone presented little influence on boiling water resistance and heat resistance.The coatings still had a good performance on weather resistance.

Key words

polycaprolactone;polyester resin;super weather resistance;TGIC;powder coatings

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ZENG Hao-hang[1,2];ZENG Ding[1,2];MA Zhi-ping[1,2];ZENG Shao-ling[1,2];CHEN En-shun[1,2];CAI Jia-qing[1,2];LI Yong[1,2]. Study on Synthesis of Super Weather Resistance Powder Coatings Based on TGIC and and Its Property[J]. Modern Paint & Finishing. 2023, 26(8): 1-4