Non-isothermal cure kinetics of aerogel/epoxy composites using differential scanning calorimetry

被引：2

作者：

Krishnaswamy, Suryanarayanan ^{[1
]}

Marchante, Veronica ^{[1
]}

Abhyankar, Hrushikesh ^{[1
]}

Huang, Zhaorong ^{[2
]}

Brighton, James ^{[1
]}

机构：

[1] Cranfield Univ, Adv Vehicle Engn Ctr, Cranfield, Beds, England

[2] Cranfield Univ, Surface Engn & Precis Inst, Cranfield, Beds, England

来源：

POLYMER-PLASTICS TECHNOLOGY AND MATERIALS | 2019年 / 58卷 / 16期

关键词：

Aerogel; epoxy; cure kinetics; DSC; activation energy; DSC; INSULATION; EPOXIES;

D O I：

10.1080/25740881.2019.1576194

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The present work determines the non-isothermal cure parameters of aerogel/epoxy samples along with the effect of a wetting agent. The cure parameters were calculated using Kissinger and isoconversional methods after which the reaction was modeled with the Sestak-Berggren equation. It is seen that the composites had higher activation energy and frequency factor values compared to the pure resin, and similarities in cure parameters between the aerogel/epoxy composites with and without the wetting agent were seen. Hence, the former's use is advocated due to its positive influence on the resin-aerogel interface without sacrificing the cure parameters.

引用

页码：1757 / 1765

页数：9

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