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Polymers 2016, 8(7), 256; doi:10.3390/polym8070256

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

1,* , 1,2
,
1
and
1,*
1
Yunnan Provincial Key Laboratory of Wood Adhesives and Glued Products, Southwest Forestry University, Kunming 650224, Yunnan, China
2
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)
View Full-Text   |   Download PDF [3807 KB, uploaded 12 July 2016]   |  

Abstract

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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