Evaluation of epoxy resins synthesized from steam-exploded bamboo lignin

被引：122

作者：

Sasaki, Chizuru ^{[1
]}

Wanaka, Mio ^{[1
]}

Takagi, Hitoshi ^{[2
]}

Tamura, Satoshi ^{[3
]}

Asada, Chikako ^{[1
]}

Nakamura, Yoshitoshi ^{[1
]}

机构：

[1] Univ Tokushima, Inst Sci & Technol, Dept Life Syst, Tokushima 7708506, Japan

[2] Univ Tokushima, Inst Sci & Technol, Dept Adv Mat, Tokushima 7708506, Japan

[3] Natl Fisheries Univ, Dept Ocean Mech Engn, Shimonoseki, Yamaguchi 7596595, Japan

来源：

INDUSTRIAL CROPS AND PRODUCTS | 2013年 / 43卷

关键词：

Bamboo lignin; Steam explosion; Epoxy resin; EXPLOSION PRETREATMENT; ETHANOL;

D O I：

10.1016/j.indcrop.2012.08.018

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

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.

引用

页码：757 / 761

页数：5

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