Non-woven laminate composite

Details Non-woven laminate composite Non-woven laminate composite

D - Textiles, Paper

06

N

D06N 5/00 (2006.01) B32B 5/06 (2006.01) B32B 5/26 (2006.01) B32B 17/02 (2006.01) B32B 27/36 (2006.01) D04H 1/06 (2006.01) D04H 1/46 (2006.01) D04H 1/48 (2006.01) D04H 5/02 (2006.01) D04H 13/00 (2006.01) D04H 18/00 (2006.01) D06N 3/00 (2006.01) D06N 7/00 (2006.01) E04D 5/00 (2006.01) E04D 5/02 (2006.01) E04D 5/10 (2006.01) E04F 13/16 (2006.01) E04F 15/10 (2006.01) E04F 15/18 (2006.01)

Patent

CA 2380482

The present invention provides non-woven laminate that is not subjected to final consolidation by a binder and the production thereof. The laminate includes at least one non-woven mat containing glass staple fibers pre- consolidated with a resin, and at least one non-woven layer of synthetic fibers. The synthetic non-woven layers and the pre-consolidated non-woven mat of glass fibers are bounded together by needling such that a portion of the fibers of the upper synthetic non-woven layer passes through the non-woven mat of glass fibers possibly through the underlying synthetic non-woven layer. The synthetic fibers are heat shrunken and the laminate is binder free.

La présente invention concerne un laminé non tissé qui ne requière ni la consolidation finale par un liant, ni la production de celui-ci. Le laminé comprend au moins un mat non tissé contenant des fibres de verranne préconsolidé avec de une résine, et au moins une couche non tissée de fibres synthétiques. Les couches synthétiques non tissées et le mat non tissé de fibres de verre préconsolidé sont reliés par aiguilletage de sorte qu'une partie des fibres de la couche synthétique non tissée supérieure passe à travers le mat non tissé de fibres de verre et éventuellement à travers la couche synthétique non tissée inférieure. Les fibres synthétiques sont thermorétractées et le laminé est dépourvu de liant.

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