Cure Kinetics of Nanodiamond-Filled Epoxy Resin: Influence of Nanodiamond Surface Functionality

被引：49

作者：

Aris, Atousa ^{[1
]}

Shojaei, Akbar ^{[1
]}

Bagheri, Reza ^{[2
]}

机构：

[1] Sharif Univ Technol, Dept Chem & Petr Engn, Tehran, Iran

[2] Sharif Univ Technol, Dept Mat Sci & Engn, Polymer Mat Res Grp, Tehran, Iran

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2015年 / 54卷 / 36期

关键词：

POLYMER-MATRIX COMPOSITES; WALLED CARBON NANOTUBES; MECHANICAL-PROPERTIES; ISOCONVERSIONAL ANALYSIS; NANOCOMPOSITES; BEHAVIOR; CHEMISTRY; TEMPERATURE; PROPERTY; DIAMOND;

D O I：

10.1021/acs.iecr.5b01858

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Thermally oxidized nanodiamond (OND), amine-functionalized ND (AND) and untreated ND (UND) were added to epoxy/TETA at 1 wt % loading. The ND enhanced the dynamic storage modulus of epoxy while decreasing the glass transition temperature because of the increment of free volume in the vicinity of the ND surfaces. The ND induced an acceleration effect on the curing reaction which could be due to functional groups of the ND and lack of any steric hindrance on molecules by the ND particles themselves. The Vyazovkin model-free isoconversional method indicated that all NDs decreased the activation energy; among them, AND showed the lowest value because of the significant promotion of the epoxide ring-opening reaction by polar amino groups. The Sestak-Berggren kinetics model was used to predict successfully the cure kinetics of epoxy/ND.

引用

页码：8954 / 8962

页数：9

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