Journal
INDUSTRIAL CROPS AND PRODUCTS
Volume 43, Issue -, Pages 757-761Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.indcrop.2012.08.018
Keywords
Bamboo lignin; Steam explosion; Epoxy resin
Categories
Funding
- Forestry Agency of the Ministry of Agriculture, Forestry and Fisheries in Japan
- Grants-in-Aid for Scientific Research [22310048] Funding Source: KAKEN
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Lignin extracted from steam-exploded bamboo has been used as resource material for the production of cured epoxy resins. In this study, 3 types of cured epoxy resin were prepared. The bamboo lignin extracted with methanol from steam-exploded bamboo (steam pressure 35 atm: steaming time 5 min) was epoxidized with epichlorohydrin and then cured with the general curing agent 1-(2-cyanoethyl)2-ethyl-4-methylimidazole (2E4MZ-CN) and bamboo lignin. General epoxy resin, cured with diglycidyl ether bisphenol A (DGEBA) and 2E4MZ-CN, was simultaneously synthesized as a petroleum-derived epoxy resin control. The mechanical and thermal properties of lignin-based epoxy resins were compared with petroleum epoxy resins. As indicated by their thermal decomposition properties (Td5), the lignin-based epoxy resins exceeded the dip-solder resistance (250-280 degrees C). Furthermore, lignin-based epoxy resin showed 70% of the flexural strength of the petroleum-based epoxy resin. (c) 2012 Elsevier B.V. All rights reserved.
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