Non-woven layer consisting substantially of short polyolefin...

Details Non-woven layer consisting substantially of short polyolefin... Non-woven layer consisting substantially of short polyolefin...

D - Textiles, Paper

04

H

D04H 1/42 (2006.01) B32B 5/06 (2006.01) F41H 1/02 (2006.01)

Patent

CA 2132013

The invention relates to a non-woven layer that consists substantially of short polyolefin fibres the non-woven layer being a felt with in the plane of the layer substantially randomly oriented fibres with a length of 40-100 mm, a tensile strength of at least 1.2 GPa and a modulus of at least 40 GPa. The invention also relates to a method for the manufacture of this felt and to layered structures in which the felt is used. Layered structures comprising a non- woven layer according to the invention have improved specific energy absorption on impact of ballistic projectiles.

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