摘要:
An energy absorbing panel containing a pair of generally parallel spaced apart rigid end plates having a stiffness of at least about 200 N-m and a plurality of fabric layers extending between the rigid end plates oriented in a z-axis direction defined as being perpendicular to the rigid end plates. Each fabric layer contains a plurality of monoaxially drawn, thermoplastic fibers. The plurality of fabric layers are fused together forming a bonded structure. Methods of making the energy absorbing panel are also disclosed.
摘要:
A woven mat fabric with fused layers containing a plurality of woven layers, where each woven layer contains a plurality of warp elements interwoven with a plurality of weft elements. The warp and weft elements contain polymeric strips which have a core layer disposed in layered relation with at least one surface layer. The core layer contains a first strain oriented polymer composition and having a first softening point and the surface layer contains a second polymer composition having a softening point lower than the first softening point. The weft and warp elements within each layer are fused to one another, but the weft and warp elements of one layer are not consolidated to the weft and warp elements of the adjacent layers.
摘要:
The invention relates to an impact resistant component comprising at least two composite sheets fused together, each composite sheet comprising an adhesive layer fused between two unidirectional sheets, wherein each unidirectional sheet comprises a plurality of monoaxially drawn fibers arranged substantially parallel to one another along a common fiber direction, the fibers comprising a base layer of a strain oriented polymer disposed between surface layer(s) of a heat fusible polymer, wherein the surface layer(s) are characterized by a melting temperature below that of the base layer to permit fusion bonding upon application of heat, and wherein the adhesive layer has a melting temperature below that of the base layer of the unidirectional sheet.
摘要:
A three dimensional molded article with a compound curvature having a composite wall with at least one contour having a depth to width ratio of at least about 0.2. The composite wall is formed of highly drawn thermoplastic tapes with thermoplastic films disposed on the outside of the tapes. The tapes have a highly drawn interior layer and exterior layers with a peak melting temperature below the peak melting temperature of the inner layer. The composite wall has a thickness of at least eight tapes which can be formed in layers of woven fabrics. The tapes are fused together and the film layers are fused to the exterior of the tapes. The films have inner surfaces that can fuse together, and outer surfaces that can fuse together. In this manner, when the film folds over itself in the molding process, the outer surface of the film bonds to itself and against the tapes to provide a smooth continuous layer.
摘要:
An energy absorbing panel containing a pair of generally parallel spaced apart rigid end plates having a stiffness of at least about 200 N-m and a plurality of fabric layers extending between the rigid end plates oriented in a z-axis direction defined as being perpendicular to the rigid end plates. Each fabric layer contains a plurality of monoaxially drawn, thermoplastic fibers. The plurality of fabric layers are fused together forming a bonded structure. Methods of making the energy absorbing panel are also disclosed.
摘要:
Wash-durable fluorochemical-containing textile and/or fiber treatments that simultaneously impart soil resistance (or soil-release) properties and moisture wicking characteristics to target fabric substrates are provided. Such treatments surprisingly impart these two simultaneous effects to target fabrics and/or fibers because fluorochemicals generally provide moisture repellency rather than moisture wicking capabilities. As prior soil release/moisture wicking treatments do not function properly, or, alternatively, compromise hand or other properties of certain target textiles after treatment application, a new, effective, soil release/moisture wicking formulation for such purposes was needed. The inventive treatment is extremely durable on such fabric substrates; after a substantial number of standard launderings and dryings, the treatment does not wear away in any appreciable amount and thus the substrate retains its soil release/moisture wicking properties. The method of adherence to the target yarn, fiber, and/or fabric may be performed any number of ways, most preferably through the utilization of a jet dyeing system or through a steam-transfer method. The particular methods of adherence, as well as the treated textile fabrics and individual fibers are also encompassed within this invention.
摘要:
The invention relates to an impact resistant component comprising at least two composite sheets fused together, each composite sheet comprising an adhesive layer fused between two unidirectional sheets, wherein each unidirectional sheet comprises a plurality of monoaxially drawn fibers arranged substantially parallel to one another along a common fiber direction, the fibers comprising a base layer of a strain oriented polymer disposed between surface layer(s) of a heat fusible polymer, wherein the surface layer(s) are characterized by a melting temperature below that of the base layer to permit fusion bonding upon application of heat, and wherein the adhesive layer has a melting temperature below that of the base layer of the unidirectional sheet.
摘要:
The invention relates to an impact resistant component comprising at least two composite sheets fused together, each composite sheet comprising an adhesive layer fused between two unidirectional sheets, wherein each unidirectional sheet comprises a plurality of monoaxially drawn fibers arranged substantially parallel to one another along a common fiber direction, the fibers comprising a base layer of a strain oriented polymer disposed between surface layer(s) of a heat fusible polymer, wherein the surface layer(s) are characterized by a melting temperature below that of the base layer to permit fusion bonding upon application of heat, and wherein the adhesive layer has a melting temperature below that of the base layer of the unidirectional sheet.
摘要:
A base substrate having a first side and a second side, first and second receiving loops extending from the first and second side of the base substrate, respectively, and first and second stiff loops extending from the first and second side of the base substrate, respectively. The base substrate is a flexible cloth or cloth-like material. The receiving loops are an absorbent material such as the material used in the base substrate. The stiff loops are formed of a yarn having at least one filament with a cross-section having an aspect ratio of greater than about 1.2, a corner edge, and/or at least a concave portion.
摘要:
In a preferred embodiment, the present process involves subjecting a fabric comprised of conjugate yarns to an acidic treatment, which degrades a portion of one component of the conjugate yarns and to dyeing. The acid treatment, given certain reaction kinetics, removes a portion of the polyamide element of the conjugate filament. The at least partial removal of the polyamide component results in a fabric has enhanced dyed appearance, especially when dyed a dark shade. In an alternate embodiment, the fabric may also be treated with a basic solution to improve its moisture transport properties.