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American Chemical Society, Industrial & Engineering Chemistry Research, 48(55), p. 12376-12386, 2016

DOI: 10.1021/acs.iecr.6b02477

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

Journal article published in 2016 by Ana Antunes, Ana Henriques, Filipa Lima, João Ferra, Jorge Martins, Luísa Carvalho, Fernão D. Magalhães ORCID
This paper was not found in any repository; the policy of its publisher is unknown or unclear.
This paper was not found in any repository; the policy of its publisher is unknown or unclear.

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Abstract

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 decor 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.