Journal
INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES
Volume 50, Issue -, Pages 199-203Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijadhadh.2014.01.026
Keywords
Soy adhesive; Cross-linker; Water resistance; Plywood
Funding
- National Natural Science Foundation of China [31170530]
- New Century Excellent Talents of Ministry of Education of China [NCET-10-0972]
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To improve the water resistance of soy-based adhesive for wood panels, three kinds of cross-linkers, namely, epoxy resin (EPR), melamine-formaldehyde (MF) and their mixture EPR+MF were used in this paper. The results indicated that all the three cross-linkers improved the water resistance of soy-based adhesive and the hybrid cross-linker EPR+MF, was the best. With press temperature 160 C and press time 8 min, type II and even type I plywood could be prepared when 6.4%EPR+6.4%MF is used as crosslinker of soy-based adhesive. FT-IR indicated that the great improvement of water resistance of soy-based adhesive modified with EPR and MF might be caused by the reaction between epoxy and -OH, and that between MF and -NH. (C) 2014 Elsevier Ltd. All rights reserved.
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