The invention provides a knitted functional fabric for wicking moisture away from the body of a user. The fabric comprises a technical face formed from a yarn; a technical back formed from a yarn; and a spacer formed from a yarn that connects the technical face to the technical back. The technical face and the technical back comprise a hydrophilic yarn.

The present application discloses a polyamide 5X fiber, wherein raw materials for producing the polyamide 5X fiber comprise at least 1,5-pentane diamine and a long carbon chain diacid; or comprises a polyamide 5X obtained by the polymerization of 1,5-pentane diamine and a long carbon chain diacid as monomers. The 1,5-pentane diamine or the long carbon chain diacid are produced from bio-based raw materials by a fermentation process or an enzymatic conversion process; and the long carbon chain diacid is at least one of C6-20 aliphatic long carbon chain diacids. The long carbon chain diacid is at least one of C6-20 aliphatic long carbon chain diacids. The polyamide 5X fiber includes pre-oriented yarns, drawn textured yarns, fully drawn yarns, staple fibers, industrial yarns, continuous bulked filaments and monofilaments, preferably pre-oriented yarns, drawn textured yarns and/or fully drawn yarns. The raw materials used for producing the polyamide 5X resin are prepared by biological processes, and are green materials. The polyamide 5X fiber has good mechanical properties, dimensional stability, softness, quick-drying performance and dyeing properties.

An electrically conductive yarn (200, 300) comprising a first yarn (262, 362) and a second yarn (264, 364), the first yarn (262, 362) comprises or consists out of a plurality of stainless steel fibers, the second yarn (264, 364) comprises organic fibers wherein the first yarn (362) and the second yarn (364) are twisted or cabled together or the second yarn (264) is wrapped around the first yarn (262) such that the first yarn (262) is provided as a core yarn and such that the first yarn (262) provides part of the surface of the electrically conductive yarn (200).

A conductive polymeric composition includes, based on a total weight of the conductive polymeric composition, 0.1 wt % to 10 wt % of carbon nanotubes, 0.2 wt % to 4 wt % of a first component, 0.1 wt % to 4 wt % of a second component made by esterification of a C.sub.16-C.sub.30 fatty acid with a polyol compound, and the balance being a polymeric component. When the first component is a first polymer obtained from polycondensation of an aromatic diacid compound and an aliphatic glycol compound, the polymeric component is a polyester. When the first component is a second polymer obtained from polycondensation of a lactam compound, a diamine compound and a dicarboxylic acid compound, the polymeric component is a polyamide.

Various implementations include a melt-spun filament that has a radial cross section that has two substantially parallel linear perimetrical sections and first and second curved perimetrical sections. The first curved perimetrical section extends between first ends of the linear perimetrical sections, and the second curved perimetrical section extends between second ends of the linear perimetrical sections. The curved perimetrical sections are convex. According to some embodiments, the curved perimetrical sections are semi-circular or semi-elliptical. A plurality of melt-spun filaments may be included in a bundle of filaments and/or a yarn made with the melt-spun filaments. In addition, a spinneret plate for spinning the melt-spun filaments and a method of making the melt-spun filaments is also provided.

A protective garment is constructed with a fibrous material. The fibrous material comprises a first nonwoven layer, a second nonwoven layer, and a nanofiber layer laminated between the first nonwoven layer and the second nonwoven layer. The fibrous material has a mean flow pore size greater than or equal to about 0.02 micron and less than or equal to about 0.5 microns, and a water vapor transmission rate greater than or equal to about 10000 g/m.sup.2/day and less than or equal to about 100000 g/m.sup.2/day. In a method of making a fibrous layer, a first nonwoven layer and a nanofiber layer are provided. A polyurethane reactive resin is applied to the first nonwoven layer in an amount of 2 to 30 g/m.sup.2. The nanofiber layer is then laminated to the first nonwoven layer applied with the polyurethane reactive resin and pressed to form the fibrous layer.

The present disclosure provides a polyamide 5X staple fiber, a preparation method and use thereof. The polyamide 5X staple fiber has a denier of 8.0-30.0D, a breaking strength of 2.0-6.0 cN/dtex, and an elongation at break of 30-100%. The polyamide 5X staple fiber has good mechanical properties and softness, and a blended wool yarn for manufacturing carpets with good mechanical properties, dyeability, and wear resistance can be obtained by using the polyamide 5X staple fiber.

A woven fabric is provided that is advantageously used for sportswear such as down wear, a down jacket, a windbreaker, a futon, a sleeping bag, rainwear, a tent, a bag, and a rucksack, and materials thereof, and that has a high tear strength, assuredly maintains a low air-permeability, and has a good abrasion resistance while the fabric is lightweight and thin. The woven fabric comprises a synthetic multifilament comprising a modified monofilament having a filament transverse cross-section of a substantially quadrilateral shape, wherein: the synthetic multifilament has a total fineness 5 to 60 dtex; the modified monofilament has a single yarn fineness of 1.0 to 7.5 dtex; the woven fabric includes the synthetic multifilament in an amount of 45% or more by mass relative to 100% by mass of the woven fabric; and an average contact length where the modified monofilament touches a modified monofilament adjacent thereto is 8 to 40 μm on a cross-section in a direction perpendicular to the synthetic multifilament.

A fabric-based item may be provided with a stretchable band. The stretchable band may be formed from a ring-shaped strip of stretchable fabric having an opening configured to fit around a body part of a user. Circuitry may be coupled to strands of material in the stretchable band. The circuitry may include sensor circuitry for making measurements on the body part such as electrocardiogram measurements, blood pressure measurements, and respiration rate measurements. Wireless communications circuitry in the fabric-based item may be used to communicate wirelessly with external electronic equipment. A wireless power transmitting device may transmit wireless power. A coil formed from conductive strands in the fabric-based item may be used by wireless power receiving circuitry in the fabric-based item to receive the wireless power. The coil may have one or more turns that run around the ring-shaped strip of stretchable fabric.

It is disclosed a textile fabric comprising a first set of electrically conductive and externally isolated yarns (22) separated by isolating textile yarns (24); a second set of non-isolated conductive yarns (23); a plurality of textile yarns interlacing the first and the second set of yarns (22, 23), wherein part of the interlacing textile yarns are non-isolated conductive yarns (23) in order to form an electrical grounding grid with the non-isolated conductive yarns (23) of the second set of yarns and part of the interlacing textile yarns are isolating textile yarns (24).