High performance epoxy composites cured with ionic liquids

被引：21

作者：

Maka, Honorata ^{[1
]}

Spychaj, Tadeusz ^{[1
]}

Zenker, Marek ^{[2
]}

机构：

[1] West Pomeranian Univ Technol, Inst Polymer, PL-70322 Szczecin, Poland

[2] West Pomeranian Univ Technol, Dept Electrotechnol & Diagnost, PL-70313 Szczecin, Poland

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2015年 / 31卷

关键词：

Epoxy resin; Ionic liquid; Carbon nanotubes; Curing reaction; Thermomechanical and conductive properties; CARBON NANOTUBES; DECOMPOSITION MECHANISMS; RESIN; IMIDAZOLIUM; GRAPHENE; ENHANCEMENT; DISPERSION; FILLERS;

D O I：

10.1016/j.jiec.2015.06.023

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two ionic liquids (ILs) with the same dicyanamide anion and various cation types: imidazolium and phosphonium as catalytic agents of epoxy resin have been compared. Neat epoxy materials cured with imidazolium IL exhibited above 45 days latency, high thermal performance, i.e. glass transition temperature (above 190 degrees C), low tan delta (0.17), and stability (395 degrees C/5% weight loss), whereas with phosphonium IL - pot life above 70 days, similar tan delta value and high transparency (85%). Carbon nanotubes modified epoxy composites cured with imidazolium dicyanamide IL showed bulk electrical resistivity in a range 10(7)-10(3) Omega.m for carbon filler content 0.0625-0.25 wt.%. These features designate developed materials for various engineering applications. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：192 / 198

页数：7

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