Polyetherimide Stitched Reinforcing Fabrics And Composite Materials Comprising The Same

摘要

In one aspect, the present invention provides a preform, comprising: (a) a reinforcing fabric layer; and (b) a polyetherimide fiber incorporated into the reinforcing fabric layer as a stitch thread material. The reinforcing fabric layer comprises less than about 10% by weight polyetherimides. In another aspect, the present invention provides an uncured and a cured composite composition comprising the perform. Articles and method of making the cured composite compositions are also provided.