Patent ID: 8119549
Filing Date: 2012-02-21
Classification: B32B,Y10T

Abstract:
1. A consolidated fibrous structure comprising at least three (3) fibrous layers, wherein each fibrous layer comprises fibers, wherein the fibers comprise: a core having an exterior surface portion comprising polypropylene; a skin layer disposed on at least a portion of the core, wherein the skin layer comprises a first polymer and a second polymer, wherein: wherein at least a portion of the skin layers of the fibers in each fibrous layer are fused to at least a portion of other skin layers of fibers within the same fibrous layer, at least a portion of the skin layers of the fibers of each fibrous layer are fused with at least a portion of the skin layers of the fibers in an adjacent fibrous layer, and the stiffness of the consolidated fibrous structure is at least 1 N-m measured by ASTM D 790.