An aqueous composition is used to clad yarn cores to provide unique coated yarns. This aqueous composition contains: (i) porous particles present in an amount of at least 2 weight % and up to and including 10 weight %, each porous particle comprising a continuous polymeric phase and discrete pores dispersed within the continuous polymeric phase, the porous particles having a mode particle size of 2-50 m; (ii) a film-forming binder material having a T.sub.g of less than or equal to 25 C., that is present in an amount of 25-60 weight %; (iii) an inorganic filler material having a value of less than 5 on the MOHS scale of mineral hardness, in an amount of at least 2-15 weight %; and (iv) an aqueous medium in an amount of at least 35 weight % in which the film-forming binder material is soluble or dispersible.

The present invention relates to a functional copper sulfide composition and a functional fiber prepared therefrom, and more particularly, a functional copper sulfide composition comprising a copper salt, a metal salt, a reducing agent, a sulfur compound, a catalyst, a poly amine, an alkali compound and a pH adjusting agent; and a functional fiber prepared by treating the composition with a fiber.

The present invention relates to a functional copper sulfide composition and a functional fiber prepared therefrom, and more particularly, a functional copper sulfide composition comprising a copper salt, a metal salt, a reducing agent, a sulfur compound, a catalyst, a poly amine, an alkali compound and a pH adjusting agent; and a functional fiber prepared by treating the composition with a fiber.

Provided are nanowire-coated fibers and compositions comprising one or more nanowire-coated fibers and methods of making the fibers and compositions. The fibers can be organic or inorganic fibers. The nanowires can be metallic or semiconducting nanowires. The nanowires are disposed on at least a portion of a surface of a fiber or fibers. The fibers and compositions can be used as barcodes (e.g., for anti-counterfeiting methods). The fibers and compositions also can be used as photodetectors (e.g., methods of detecting electromagnetic radiation).

Disclosed are compositions that can he used in forming products with increased near infrared (IR) reflective capability. A composition can include IR reflective and/or IR transmissive non-white pigments and can be formed with suitable viscosity so as to successfully coat substrates, e.g., yarns, suitable for use in forming coverings for architectural openings, e.g., window coverings. Also disclosed are textile substrates coated with the compositions, including textile substrates coated with compositions that in dude abrasive, inorganic IR reflective dark pigments.

Provided is process for producing a surface-metalized fiber, yarn, or fabric, the process comprising: (a) Feeding a continuous fiber, yarn, or fabric from a feeder roller into a graphene deposition chamber containing therein a graphene dispersion comprising multiple graphene sheets and an optional conducive filler dispersed in a first liquid medium and an optional adhesive resin dissolved in the first liquid medium; (b) Operating the graphene deposition chamber to deposit the graphene sheets and optional conductive filler to a surface of the fiber, yarn, or fabric for forming a graphene-coated fiber, yarn, or fabric; (c) Moving the graphene-coated fiber, yarn, or fabric into a metallization chamber which accommodates a plating solution therein for plating a layer of a desired metal onto the graphene-coated fiber, yarn, or fabric to obtain a surface-metalized fiber, yarn, or fabric; and (d) Operating a winding roller to collect the surface-metalized fiber, yarn, or fabric.

A process for improving weavability of a yarn is described. The process has a step of application of a chitosan-containing reinforcement product and a later chitosan crosslinking step.

A process for improving weavability of a yarn is described. The process has a step of application of a chitosan-containing reinforcement product and a later chitosan crosslinking step.

Fiber for tribological applications, with the exception of mineral fibers, comprising at least one solid lubricant, with the exception of graphite, or boated with at least one solid lubricant, with the exception of graphite.

The present invention relates to a functional copper sulfide composition and a functional fiber prepared therefrom, and more particularly, a functional copper sulfide composition comprising a copper salt, a metal salt, a reducing agent, a sulfur compound, a catalyst, a polyvalent amine, an alkali compound and a pH adjusting agent; and a functional fiber prepared by treating the composition with a fiber.

The present invention can provide a functional fiber with excellent conductivity, washing resistance, washability, durability, moisture resistance and alkali resistance, wherein the color of the fiber is maintained even when it is washed repeatedly or used for a long time.

In addition, the present invention can provide a functional fiber which has excellent an antibacterial, deodorant, far-infrared radiation, wound healing, skin aging prevention, insulation, electromagnetic shielding and static electricity removal characteristics, and can be widely used in clothing, industrial and military field such as clothing, socks, gloves, bands, abdominal binder, masks, hats, bandage, scarf, bedclothes, burn pad, a hospital gown, an industrial filter and filler.