Fixable nonwoven interlining material used in the textile industry
The invention relates to a fixable nonwoven interlining material for use in the textile industry, comprising at least one melt-spun fiber layer and at least one additional fibrous material layer, the fixable interlining material being provided with an adhesive substance at least in partial regions. A particularly high elasticity of the fixable interlining material is achieved by the fact that the melt-spun fibers are composed of an elastic fibrous material, and the at least one layer of fibrous material is composed of staple fibers, and the at least one elastic melt-spun fiber layer and the at least one staple fiber layer are laid one on top of the other in the form of a flat unbonded fiber fabric, and are subsequently bonded by use of a bonding step known as such.
1. Fixable nonwoven interlining material for use in the textile industry, comprising a composite of at least one melt-spun fiber layer and at least one additional fibrous material layer, the composite including a polyamide adhesive for joining said interlining material to an outer fabric, said adhesive applied to a surface of said composite in at least regions of said surface, wherein the melt-spun fiber layer contains fibers that consist of compounds from the family of elastic thermoplastic polyurethanes having a Shore A hardness of <98, and the at least one layer of fibrous material is composed of staple fibers, and the melt-spun fiber layer and the at least one staple fiber layer are laid one on top of the other in the form of a flat unbonded fiber fabric, and are subsequently bonded wherein said melt-spun fibers have a melting point in the range of 170° C. to 184° C. and wherein said composite has a reversible elongation of at least 13%.
2. Fixable interlining material according to claim 1 , characterized in that the at least one additional fibrous material layer is composed predominantly of staple fibers made of chemical and/or natural fibers.
3. Fixable interlining material according to claim 2 , characterized in that the chemical fibers have a melting point >165° C.
4. Fixable interlining material according to claim 3 , characterized in that the chemical fibers comprise single- and/or multicomponent fibers composed of polyester and/or polyamide, or fiber mixtures of these components.
5. Fixable interlining material according to claim 1 , characterized in that the thermoplastic polyurethanes have an aliphatic or aromatic structure.
6. Fixable interlining material according to claim 1 , characterized in that the thermoplastic polyurethanes are based on polyester, polyether, or polycaprolactone.
7. Fixable interlining material according to claim 1 , characterized in that the staple fibers have a fiber titer <2.5 dtex.
8. Fixable interlining material according to claim 1 , characterized in that the unbonded fiber fabric composed of staple fibers has a mass per unit area in the range of 1-100 g/m 2 .
9. Fixable interlining material according to claim 1 , characterized in that the unbonded fiber fabric composed of melt-spun fibers has a mass per unit area in the range of 5-200 g/m 2 .