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Synthesis and Curing Kinetics of UV-Curable Waterborne Bisphenol-S Epoxy Acrylate/Polyurethane-Acrylate Coating

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Abstract:

In ouder to prepare the waterborne UV-curable polyurethane acrylate coatings, the anionic polyurethane acrylate emulsifier and bisphenol-S eopxy acrylate were synthesized. The curing process, kinetics and properties of waterborone UV-curable epoxy acrylate/polyurethanes acrylate coating were investigated by FTIR, DSC and DMA. The results show that the static initial curing temperature Ti is 52.36 oC, peak temperature Tp is 71.58 oC, the finished temperature Tf is 89.15 oC. The curing reaction can be described by two-parameter autocatalytic Šesták-Berggren (S-B) model.This coating has a better UV-curing property. The dynamic mechanical analysis showed that the glass transition temperature Tg of coating film is 52.70 oC.

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Periodical:

Advanced Materials Research (Volume 549)

Pages:

457-461

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.549.457

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Online since:

July 2012

Authors:

Jun Gang Gao, Feng Li Zhu, Jiang Bo Yang, Xiao Qian Liu

Keywords:

Bisphemol-S Epoxy Acrylate, Polyurethane-Acrylate, Waterborine Coating

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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