FIBER COATED WITH POLYAMIC ACID OR POLYETHERIMIDE AND METHOD FOR MAKING THE COATED FIBER

摘要

A coated fiber comprising an inner fiber comprising an aramid and an outer coating comprising a polyamic acid or a polyetherimide deposited on the inner fiber is provided. The outer coating comprising the polyamic acid may be subjected to curing to form a polyetherimide coating. Also provided are methods for making the coated fiber wherein the coated fiber comprises an inner fiber comprising an aramid and an outer coating comprising a polyamic acid or a polyetherimide.