Degradation of Technora aramid fibres in alkaline and neutral environments

被引：34

作者：

Derombise, Guillaume ^{[1
]}

Van Schoors, Laetitia Vouyovitch ^{[1
]}

Davies, Peter ^{[2
]}

机构：

[1] Lab Cent Ponts & Chaussees, F-75732 Paris 15, France

[2] IFREMER, Ctr Brest, F-29280 Plouzane, France

来源：

POLYMER DEGRADATION AND STABILITY | 2009年 / 94卷 / 10期

关键词：

Aramids; Fibres; Technora; Hydrolysis; Long-term behaviour; POLYMER FIBERS; HIGH-MODULUS; DEFORMATION;

D O I：

10.1016/j.polymdegradstab.2009.07.021

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Technora fibres are high performance aramid fibres which have been used in ropes and protective clothing for many years. They are also now being proposed as geotextiles for soil reinforcement. However, there is a lack of experience on the long-term behaviour of Technora fibres in an alkaline environment (lime-treated ground.). Consequently, aging studies have been performed under different conditions (deionised water, pH9 and pH11). Hydrolytic degradation has been evaluated by FTIR, viscometry, TGA, density measurements, SEM, and by tensile measurements. Some chain degradation and finish rearrangements have been highlighted, but Technora fibres retain their mechanical properties for all the conditions considered here. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1615 / 1620

页数：6