Use of Permapol® P3.1 polymers and epoxy resins in the formulation of aerospace sealants

被引：17

作者：

Clark, LJ

Cosman, MA

机构：

[1] PPG Aerosp, PRC DeSoto Int Res Ctr, Burbank, CA 91504 USA

[2] Airbus UK, Bristol BS99 7AR, Avon, England

来源：

INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES | 2003年 / 23卷 / 05期

关键词：

sealants; epoxides; cure/hardening; Permapol (R);

D O I：

10.1016/S0143-7496(03)00002-2

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This paper outlines the performance of aerospace sealants based on Permapol(R) (1) P3.1 polythioether polymer technology. Due to their chemical structure these liquid polymers have inherent resistance to fuel, water and high temperature and, in addition, exhibit high flexibility at temperatures as low as 213 K. Sealants based on this technology possess excellent physical properties and demonstrate adhesion to a wide range of substrates. The epoxy curing mechanism employed to vulcanise the sealant is ideal as assembly time can be shortened without loss of sealant performance and reliability. The cure profile meets both production and repair operations even at temperatures as low as 278 K. The properties of these sealants are derived from the combination of the patented Permapol(R) P3.1 polymer technology and the epoxy curing system. (C) 2003 PRC-DeSoto International, Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：343 / 348

页数：6