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Coatings 2019, 9(3), 161; https://doi.org/10.3390/coatings9030161

A Comparison of the Performance of Two Kinds of Waterborne Coatings on Bamboo and Bamboo Scrimber

1,2,3,†
,
1,†
,
1
,
1
,
1,*
,
1,2,*
and
3
1
Research Institute of Wood Industry, Chinese Academy of Forestry, Haidian, Beijing 100091, China
2
Research Institute of Forestry New Technology, Chinese Academy of Forestry, Haidian, Beijing 100091, China
3
Department of Chemical Engineering, University of New Brunswick, Fredericton NB E3B 5A3, Canada
*
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Received: 20 December 2018 / Revised: 19 February 2019 / Accepted: 27 February 2019 / Published: 1 March 2019
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Abstract

For this paper, two kinds of waterborne coatings, polyurethane acrylate (PUA) and epoxy resin, were synthesized and then coated onto neat bamboo and bamboo scrimber (BS), respectively. The coating performance of the samples was investigated. The results showed that, for the two kinds of coatings, there was a chemical reaction occurring between both coatings and the substrates. The permeability with respect to bamboo was higher than that of BS, while that of the epoxy resin coating was better than PUA. However, the PUA film was smoother than epoxy resin. The epoxy resin coating on bamboo had the best adhesion, which was at a 1 level. The abrasion values of the four samples varied in the same substrate. A higher hardness of the coating film was obtained when coated with PUA. In general, the coating performance of bamboo scrimber was poorer than that of bamboo, either coated with PUA or epoxy resin. The epoxy resin had a better coating performance than PUA. View Full-Text
Keywords: bamboo scrimber; coating performance; waterborne coating; polyurethane acrylate; epoxy resin bamboo scrimber; coating performance; waterborne coating; polyurethane acrylate; epoxy resin
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Xu, J.; Liu, R.; Wu, H.; Qiu, H.; Yu, Y.; Long, L.; Ni, Y. A Comparison of the Performance of Two Kinds of Waterborne Coatings on Bamboo and Bamboo Scrimber. Coatings 2019, 9, 161.

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