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    The objective of this preliminary study was to partially replace phenol in the synthesis of phenol-formaldehyde resin with feather protein. Feather protein–based resins, which contained one part feather protein and two parts phenol, were formulated under the conditions of two feather protein hydrolysis methods (with and without presence of phenol during hydrolysis), two formaldehyde/phenol molar ratios (1.8 and 2.0), and three pH levels (9.5, 10.5, and 11.5). Southern pine fiberboard bonded with feather protein–based resins was fabricated and bending strength, bending stiffness, internal bonding strength, and percent thickness swell were evaluated. Results indicated that the test parameters all significantly affected resin quality. The resin formulated with feather protein hydrolyzed in the presence of phenol, using a F/P ratio of 2.0, and at a pH of 10.5 performed as well as the neat PF resin. Based on our findings, feather protein is a potential cost-effective material for the production of PF-type adhesive resins.

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    Jiang, Zehui; Qin, Daochun; Hse, Chung-Yun; Kuo, Monlin; Luo, Zhaohui; Wang, Ge; Yu, Yan. 2008. Preliminary study on chicken feather protein-based wood adhesives. Journal of Wood Chemistry and Technology 28: 240-246.


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    feather, fiberboard, PF resin, protein hydrolysis

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