Synthesis and evaluation of Double-Decker Silsesquioxanes as modifying agent for epoxy resin

被引：29

作者：

Cao, Jun ^{[1
]}

Fan, Hong ^{[1
]}

Li, Bo-Geng ^{[1
]}

Zhu, Shiping ^{[2
]}

机构：

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

[2] McMaster Univ, Dept Chem Engn, Hamilton, ON L8S 4L7, Canada

来源：

POLYMER | 2017年 / 124卷

关键词：

Silsesquioxanes; Polyhedral oligomeric silsesquioxane (POSS); Double-decker silsesquioxanes (DDSQ); Epoxy resin; Chemical modification; Curing kinetics; Thermo-mechanical properties; RAFT POLYMERIZATION; CURING KINETICS; POSS-EPOXY; NANOCOMPOSITES; COPOLYMERS; TOUGHNESS; SILICA; CURE;

D O I：

10.1016/j.polymer.2017.07.056

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In this paper, we synthesized two types of epoxy group containing POSS derivatives: mono and poly Double-Decker Silsesquioxanes (mono DDSQ and poly DDSQ). The performance of epoxy resin with different DDSQ loading ratios was investigated, including curing kinetics, thermal, mechanical and surface properties. Both mono and poly DDSQ significantly improved thermal and mechanical properties of the epoxy thermosets. The mono DDSQ showed more flexible structure and toughened the epoxy resin better, while the branched poly DDSQ exhibited better thermal resistance. In addition, the DDSQ altered surface of the epoxy resin from hydrophilic to hydrophobic. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：157 / 167

页数：11

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