Addition of small proportions of polyamide amine to MF resins for the purpose of resin impregnation yields a considerable improvement in both paper toughness and tensile fracture strength. The fracture strain of impregnated paper with modified resin was enhanced by more than 100% (1.08%) as compared to comparable impregnation with neat MF resin (0.49%) without sacrificing the tensile strength.
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Financial support is acknowledged from The Support Program of Yunnan Provincial Education Department (2017ZZX209); National Natural Science Foundation of China (NSFC 31800481); Yunnan Provincial Reserve Talents for Middle& Young Academic and Technical Leaders (2019HB026); “Ten-Thousand Program”-Youth Talent Support Program.
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Zhou, X., Peng, J., Wang, W. et al. A novel route to enhance the ductile performance of MF resins by addition of polyamide amine (PA). Eur. J. Wood Prod. 78, 835–837 (2020). https://doi.org/10.1007/s00107-020-01555-4
- Melamine-formaldehyde resin
- Ductile performance
- Hyperbranched polyamide-amine