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Polymers 2016, 8(7), 256;

Study on the Soy Protein-Based Wood Adhesive Modified by Hydroxymethyl Phenol

1,* , 1,2
Yunnan Provincial Key Laboratory of Wood Adhesives and Glued Products, Southwest Forestry University, Kunming 650224, Yunnan, China
Material Science and Technology College, Beijing Forestry University, Beijing 100083, China
Authors to whom correspondence should be addressed.
Academic Editor: Antonio Pizzi
Received: 17 May 2016 / Revised: 4 July 2016 / Accepted: 7 July 2016 / Published: 12 July 2016
(This article belongs to the Special Issue Renewable Polymeric Adhesives)
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To explain the reason why using phenol-formaldehyde (PF) resin improves the water resistance of soy-based adhesive, the performance of soy-based adhesive cross-linked with hydroxymethyl phenol (HPF) and the reaction between HPF and a common dipeptide N-(2)-l-alanyl-l-glutamine (AG) being used as a model compound were studied in this paper. The DSC and DMA results indicated the reaction between HPF and soy-based adhesive. The soy-based adhesive cross-linked with HPF cured at a lower temperature than the adhesive without HPF. The former showed better mechanical performance and heat resistance than the latter. The ESI-MS, FT-IR and 13C-NMR results proved the reaction between HPF and AG. Because of the existence of branched ether groups in the 13C-NMR results of HPF/AG, the reaction between HPF and AG might mainly happened between hydroxymethyl groups and amino groups under a basic condition. View Full-Text
Keywords: hydroxymethyl phenol; soy-based adhesive; cross-linker; dipeptide hydroxymethyl phenol; soy-based adhesive; cross-linker; dipeptide

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Lei, H.; Wu, Z.; Cao, M.; Du, G. Study on the Soy Protein-Based Wood Adhesive Modified by Hydroxymethyl Phenol. Polymers 2016, 8, 256.

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