Journal
HOLZFORSCHUNG
Volume 54, Issue 1, Pages 93-97Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/HF.2000.014
Keywords
kiquefied wood; diglycidyl ether of ethylene glycol oligomers; diglycidyl ether of bisphenol A; liquefied wood/epoxy resins; film; compatibility; viscoelastic property; glass transition temperature
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A new resin system was developed by reacting liquefied wood with various epoxy compounds. Examination of the optimum conditions for the synthesis of the resins, and the behavior of liquefied wood in the cured resins were undertaken. Generally, the compatibility and film forming performance of liquefied wood/epoxy resins became better as the wood content increased. The presence of only one broad dispersion peak, due to the glass transition, was observed during dynamic mechanical measurement of resin films suggesting that the different components of the resin were compatible. The glass transition temperature of the cured resins could be modified by changing the kinds of epoxy compounds and the wood contents of liquefied wood. The presence of rubber elasticity at higher temperatures suggests that the resin systems consisted of cross-linking polymer networks.
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