Novel silicon-modified phenolic novolacs and their biofiber-reinforced composites: Preparation, characterization and performance

被引：28

作者：

Li, Cheng ^{[1
]}

Fan, Hong ^{[1
]}

Wang, De-Yi ^{[2
]}

Hu, Jijiang ^{[1
]}

Wan, Jintao ^{[1
]}

Li, Bogeng ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Chem & Biol Engn, State Key Lab Chem Engn, Hangzhou 310027, Peoples R China

[2] Madrid Inst Adv Studies Mat IMDEA Mat, Getafe 28906, Spain

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2013年 / 87卷

关键词：

Polymer-matrix composites; Curing; Electrical properties; DSC; DMTA; DIFFERENTIAL SCANNING CALORIMETRY; KINETIC-ANALYSIS; ISOCONVERSIONAL METHOD; RESIN; BEHAVIOR; MISCIBILITY; MATRICES; FIBERS; BLENDS;

D O I：

10.1016/j.compscitech.2013.08.016

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

4,4'-(1,3-Dipropyl-tetramethyldisiloxane)bis-2-methoxyphenol (SIE), a novel silicone-contained biphenol type monomer, is synthesized from eugenol and 1,1,3,3-tetramethyldisiloxane, and used to modify phenolic novolac through copolymerization with phenol and formaldehyde to yield SIE-modified resins (SPNs). Then, the SPNs are used as resin matrix, while surface-treated chopped sisal fiber is used as the reinforced filler to produce the novel phenolic molding composites. Eugenol and sisal are biobased renewable materials. Due to modification of SIE, the ultimate composites expressed excellent electrical resistance, low water absorption and high thermal stability compared to the normal composites. Our work provides a facile and effective way to prepare the silicone modified, biofiber-reinforced phenolic composites with improved water resistance and electric property. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：189 / 195

页数：7

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