Investigation on Properties of a New CB/WPUA Composite Coating

Abstract:

By grafting carbon black (CB) with multifunctional waterborne polyurethane acrylate (WPUA), a series of environmental-friendly CB/WPUA black coatings with different CB contents were prepared in this study. The chemical structures of the products at different synthesis stages were analyzed by Fourier-transform infrared spectroscopy (FT-IR), and the influence of carbon black content on the properties of coatings was systemically investigated. The experimental results demonstrated that the WPUA/CB composite coatings with more CB contents had higher viscosities and impaired unsaturation conversions of WPUA. However, the coating containing 4 wt% of CB obtained the best water resistance and tensile strength owing to incorporate organic-inorganic structures, which is of importance for practical application.

• Periodical: Advanced Materials Research (Volumes 328-330)
• Pages: 1610-1613
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.328-330.1610
• Online since: September 2011
• Authors: Tong Zhang, Wen Jian Wu, Liang Zhang, Xiao Dong Dai
• Keywords: Carbon Black (CB), Composite Coating, Polyurethane-Acrylate, UV-Curable, Waterborne

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