シバタ　ミツヒロ   SHIBATA MITSUHIRO   柴田　充弘    所属   千葉工業大学  工学部 応用化学科    千葉工業大学  工学研究科 工学専攻    千葉工業大学  工学研究科 応用化学専攻    職種   教授
言語種別	英語
発行・発表の年月	2010/12
形態種別	学術雑誌
査読	査読あり
標題	Preparation and properties of biocomposites composed of glycerol-based epoxy resins, tannic acid, and wood flour
執筆形態	共著
掲載誌名	Journal of Applied Polymer Science
掲載区分	国外
出版社・発行元	John Wiley & Sons
巻・号・頁	118(5),pp.2998-3004
著者・共著者	Mitsuhiro Shibata, Naozumi Teramoto, Yoshiro Takada, S. Yoshihara
概要	After polyglycerol polyglycidyl ether (PGPE) and glycerol polyglycidyl ether (GPE) were mixed with tannic acid (TA) in ethanol and without solvent, the obtained GPE-TA and PGPE-TA solutions were mixed with wood flour (WF), pre-polymerized, and compressed at 160 degree C. The storage moduli of the biocomposites in the rubbery state were much higher than that of the control cured resins. The PGPE-TA/WF composites had higher tensile modulus and rather lower tensile strength than PGPE-TA. On the other hand, both the tensile modulus and strength of GPE-TA/WF were much higher than those of GPE-TA. Those values of GPE-TA/WF increased with WF content, became maximal values at WF content 60 wt%. FE-SEM analysis of the fractured surface of the biocomposites revealed that WF is tightly incorporated into the crosslinked epoxy resins. The composite with WF content 60 wt% prepared at the epoxy/hydroxy molar ratio of 1/0.8 showed the highest tensile modulus and strength.
DOI	10.1002/app.32695
ISSN	0021-8995