A full recovery, recycling and regenerative method includes the polyester fibers being interwoven with elastic polyurethane fibers or elastic polyolefin fibers, or blended with regenerated cellulose fibers such as cotton, linen and viscose, by using titanium easily decomposed and recycled polyesters, and the complete separation of the fibers or blended fibers of the polyester fibers and the elastic fibers being achieved using the differences in chemical resistance and temperature resistance of various components. The polyester can be decomposed into small molecules under mild conditions of hydrolysis, alcoholysis and alkali hydrolysis. Under such mild conditions, the elastic polyurethane or elastic polyolefin fibers, or fibers such as the cotton, the linen, the viscose and nylon, are resistant to hydrolysis or alcohol, and will not decompose. The separation of the polyester fibers from other components is achieved. The other separated components are single loose components which can be recycled.

A method for making an elastic core yarn includes covering an elastic core having a fiber of natural rubber with metric count 200-1000 dtex with a cotton-based covering yarn. The elastic core and the covering yarn are conveyed such that the covering yarn laterally attains a proximity of the elastic core in a wrapping space. The covering yarn is helically wrapped about the elastic core. The conveying speed, and therefore the winding/unwinding speed, is selected such that the elastic core is stretched to a stretching ratio of at least two, and the covering yarn becomes twisted with a final twist direction opposite to its initial twist direction, and forms T coils per length unit of the elastic fiber set between a minimum value T0 and a maximum value T1. An elasticized yarn is thereby obtained, and a fabric, in particular a denim type fabric, is manufactured from this yarn.

Spun microfibers include a blend of 70 wt. % to 90 wt. % meltblown-grade polyolefin and 10 wt. % to 30 wt. % thermoplastic starch, wherein the microfibers are suitable for use in a wet-laid process. A method for producing an absorbent product includes producing a blend of 70 wt. %-90 wt. % meltblown-grade polyolefin with 10 wt. % to 30 wt. % thermoplastic modified starch (TPMS), wherein the blend prior to spinning has a melt flow index greater than 150; spinning the blend into microfibers in a fiber spinning process; cutting the microfibers into staple fibers; and incorporating the staple fibers into a wet-laid process for making a nonwoven web.

A warp-knitted textile composite has a spacer fabric that extends in a production direction and a transverse direction and has an outer flat warp-knitted fabric layer of predetermined stretchability, an inner flat warp-knitted fabric layer of lesser stretchability in the production and transverse directions than the outer layer, and spacer threads interconnecting the warp-knitted fabric layers. A decorative cover layer is attached to the outer flat warp-knitted fabric layer and is formed with compressed areas where the spacer fabric is permanently at least partially compressed for structuring the decorative cover layer.

Embodiments relate to an article of clothing that includes a base material with a moisture vapor transfer rate (MVTR) of at least 2000 g/m.sup.2/24 h (JIS 1099 A1). The article of clothing may further include a foam-based spacer material coupled to the first side of the base material. The foam-based spacer material may be positioned between the base material and a wearer of the article of clothing when the article of clothing is worn. The foam-based spacer material may be an array of discrete elements coupled with the base material. Other embodiments may be described and/or claimed.

A biocompatible yarn comprising a conductive elastomeric filament, the conductive elastomeric filament comprising a elastomeric polymer and conductive filler.

Skin-core structure fibers with both infrared and radar stealth, a preparation method therefor, and the use thereof are provided. The fibers are as follows: a core material of the skin-core structure fibers comprises the following raw materials in parts by weight: 10 parts of paraffin; 0.7-1.5 parts of an electromagnetic wave absorbent; and 1 part of a high-molecular polymer, wherein the electromagnetic wave absorbent is one or more of ferroferric oxide-intercalated graphene oxide, nano ferroferric oxide and carbon black, and wherein the skin-core structure fiber is obtained by spinning the core material with a skin-layer material.

Provided are polyketone toothbrush bristles and a toothbrush comprising the same. The toothbrush bristles are made using a polyketone material having high rigidity, high elasticity and excellent wear resistance and thus shows reduced bristle gap-widening and increased service life. The toothbrush bristles obtained by using the polyketone according to the present disclosure have excellent elasticity and are suitable for removal of plaque on the severely indented tooth surfaces. Particularly, in the case of fine bristles, it is possible to remove interdental plaque, which, otherwise cannot be removed well by the conventional toothbrushes.

A sailcloth including a woven fabric of a first fiber material and a second fiber material woven into it, in which the second fiber material forms a network structure within the woven fabric, with the second fiber material having a higher tearing resistance than the first fiber material and with the second fiber having a sliding ability within the woven fabric.

A conjugated fiber includes a core and a sheath. The sheath covers the core, and a melting point of the sheath is lower than a melting point of the core by 60 C. to 160 C.