Abstract
Phenol–formaldehyde (PF) resins were prepared with a level of 10, 20 and 30 % substitution of the phenol in the resin by three types of wheat gluten protein hydrolysates having different characteristics, namely (1) an enzymatic hydrolysate, (2) a lower molecular weight enzymatic hydrolysate, and (3) a middle sized molecular weight acid hydrolysate. All these resins were characterized by their pH, their viscosities and by thermo mechanical analysis. The mixed protein–phenolic oligomer species distribution formed in the preparation of these resins were identified by matrix assisted laser desorption ionization time of flight (MALDI-TOF) mass spectrometry.
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Acknowledgments
This paper was partially funded by the company Tereos Syral. All the authors, therefore, acknowledge the support of Tereos Syral. This paper was partially funded by King Abdulaziz University (KAU), under grant No (6-130-1434-HiCi). The second and the last authors, therefore, acknowledge the support of KAU. The LERMAB is supported by a grant overseen by the French National Research Agency (ANR) as part of the “Investissements d’Avenir” program (ANR-11-LABX-0002-01, Lab of Excellence ARBRE).
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Lagel, M.C., Pizzi, A., Redl, A. et al. Phenol-wheat protein-formaldehyde thermoset wood adhesives. Eur. J. Wood Prod. 73, 439–448 (2015). https://doi.org/10.1007/s00107-015-0904-2
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DOI: https://doi.org/10.1007/s00107-015-0904-2