Postformable and Self-Healing Finish Foil Based on Polyurethane-Impregnated Paper

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• 作者：Ana Antunes ; Ana Henriques ; Filipa Lima ; João Ferra ; Jorge Martins ; Luísa Carvalho ; Fernão D. Magalhães
• 刊名：Industrial & Engineering Chemistry Research
• 出版年：2016
• 出版时间：December 7, 2016
• 年：2016
• 卷：55
• 期：48
• 页码：12376-12386
• 全文大小：656K
• ISSN：1520-5045

文摘

Polyurethane moisture-curable resins obtained from isophorone diisocyanate (IPDI) and polypropylene glycol (PPG) with different molecular weights (400, 1000, and 2000 g/mol) were used for impregnating décor paper. In addition to providing the same level of physicomechanical surface performance and visual appearance as the traditional melamine-formaldehyde impregnated paper, these finish foils are postformable and self-healing. The influence of the NCO/OH molar ratio and polyol molecular weight on the physical properties of the resultant polymers and composite foils was investigated in detail, namely using dynamic mechanical analysis, tensile-strain testing, and contact angle measurements. The most promising polyurethane-impregnated papers were additionally tested according to European Standard EN 438-2.