进入21世纪后,高性能纤维已成为国际纺织品市场竞争的一个焦点,发达国家纷纷投人巨额资金和人力开发高性能纤维和制品,抢先占领该类产品的国际市场。一、各种高性能纤维的特性及其用途1.芳族聚酰胺纤维芳族聚酰胺纤维最初的商品名为“B纤维”,后改名为“凯夫拉(Kevlar)”,1974 After entering the 21st century, high-performance fiber has become a focus of the international textile market competition, developed countries have invested huge amounts of money and manpower to develop high-performance fibers and products, the first to occupy the international market for such products. First, the characteristics of a variety of high-performance fibers and their use 1. Aramid fibers Aramid fibers were originally named “B fiber”, later renamed “Kevlar” (Kevlar), 1974