Patent ID: 9393758
Filing Date: 2016-07-19
CPC Classification: B29B,B29C,B32B,C08G,C08K,D04H,Y10T

Claim Text:
1. A slit tape formed from slitting a dry, self-supporting fibrous material, the fibrous material comprising: a ply of dry structural fibers laminated to a nonwoven veil of randomly-arranged fibers; and a binder composition distributed to the structural fibers and the nonwoven veil, said binder composition comprising (i) a copolymer or a reaction product of polyhydroxyether and polyurethane and (ii) an aminoplast cross-linker, wherein the ply of structural fibers is in the form of unidirectional fibers or a woven fabric, the binder composition is present in an amount of 15% or less by weight based on the total weight of the fibrous material and does not form a continuous film at the surface of the fibrous material, and the fibrous material is permeable to liquid resin.