F - Mech Eng,Light,Heat,Weapons – 41 – H
Patent
F - Mech Eng,Light,Heat,Weapons
41
H
F41H 5/04 (2006.01)
Patent
CA 2710861
The subject of the present invention is a method of manufacturing a composite (8) comprising a textile reinforcement (7) and a polymer matrix, especially a bulletproof composite. Said method characteristically comprises: a step of forming the textile reinforcement (7) by 2.5D weaving of first yarns with second yarns in a defined weave (A1/1), said second yarns being of a thermosetting polymer and said first yarns being high-performance yarns, so as to obtain an interlock fabric (7); and then a heat treatment during which said interlock fabric (7) is subjected to specified temperature and pressure conditions so as to melt said second yarns in order to form the polymer matrix, without impairing the first yarns.
La présente invention a pour objet un procédé de fabrication d'un matériau composite (8), comprenant un renfort textile (7) et une matrice polymère, notamment pour la protection balistique. Ledit procédé comprend de manière caractéristique une étape de formation du renfort textile (7) par tissage en 2,5D de premiers fils avec des seconds fils selon une armure déterminée (A1/1), lesdits seconds fils étant dans un polymère thermofusible et lesdits premiers fils étant des fils hautes performances en sorte d'obtenir un tissu interlock (7); puis un traitement thermique au cours duquel ledit tissu interlock (7) est soumis à des conditions de température et de pression déterminées en sorte de fondre lesdits seconds fils pour former la matrice polymère, sans altérer les premiers fils.
Begus Virginie
Boussu Francois
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Ensait
LandOfFree
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