NON-WOVEN LAYER CONSISTING SUBSTANTIALLY OF SHORT POLYOLEFINFIBERS

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...

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Bibliographic Details
Main Authors VAN DER BURG, RENE C, VAN DER LOO, LEONARDUS L. H
Format Patent
LanguageEnglish
French
Published 01.06.2004
Edition5
Subjects
ACCESSORIES
ARMOUR
ARMOURED OR ARMED VEHICLES
ARMOURED TURRETS
BLASTING
BRAIDING
COTTON-WOOL
FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS
HEATING
HUMAN NECESSITIES
KNITTING
LACE-MAKING
LIGHTING
MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL
MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
MECHANICAL ENGINEERING
NON-WOVEN FABRICS
OUTERWEAR
PROTECTIVE GARMENTS
TEXTILES
TRIMMINGS
WADDING
WEAPONS
WEARING APPAREL
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Summary: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.
Bibliography:Application Number: CA19932132013