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Open AccessArticle

Effect of the Concentration of Pigment Slurry on the Film Performances of Waterborne Wood Coatings

1
Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
2
College of Furnishings and Industrial Design, Nanjing Forestry University, Nanjing 210037, China
*
Author to whom correspondence should be addressed.
Coatings 2019, 9(10), 635; https://doi.org/10.3390/coatings9100635
Received: 28 July 2019 / Revised: 25 September 2019 / Accepted: 29 September 2019 / Published: 2 October 2019
Wood surface decoration and protection has become a topic of public concern. In this paper, a temperature-sensitive and reversible thermochromic waterborne wood coating was prepared by using Chinese fir board as the base material and a waterborne wood coating with the pigment slurry of thermochromic microcapsules as the paint base. The optical properties, mechanical properties and chemical resistance of the waterborne wood coating were tested, and its microstructure was analyzed. The results showed that when the concentration of thermochromic pigment slurry was 30.0%, the thermochromic property of the waterborne wood coating was best. The gloss of the waterborne wood coating with 15.0% pigment slurry of thermochromic microcapsules was high. The concentration of thermochromic pigment slurry had no effect on the adhesion, impact resistance, or chemical resistance of the waterborne wood coating. Based on the above results, the waterborne wood coating on Chinese fir had the best comprehensive performance when the concentration of thermochromic pigment slurry was 15.0%. This work will provide a technical reference for the industrialization of the thermochromic coating film on wood. View Full-Text
Keywords: thermochromic pigment slurry; microcapsule; waterborne wood coating; film performance thermochromic pigment slurry; microcapsule; waterborne wood coating; film performance
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MDPI and ACS Style

Yan, X.; Chang, Y.; Qian, X. Effect of the Concentration of Pigment Slurry on the Film Performances of Waterborne Wood Coatings. Coatings 2019, 9, 635.

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