Compositions especially suitable for forming fibers and films having good elasticity and relatively high modulus are disclosed. Surprisingly, compositions including a styrenic block copolymer having a relatively high melt flow rate, and a detackifier, and optionally, but preferably in some embodiments a polyolefin (co)polymer, and/or polystyrene polymer, and/or a softener have good draw down performance and are processable into fibers having low tack, relatively high modulus and tensile strength. The fibers produced from the composition can be processed easily and are useful to manufacture articles such as fabrics, both woven and non-woven, webs, threads, and yarns. In various embodiments, unique fiber structures are produced having low tack and desirable elasticity.

A fibre drawing method for forming a fibre from a low Young's modulus material.

Disclosed is a fiber for artificial hair containing a polycondensation-based polymer and a crosslinking agent. Also disclosed is a headdress article including the fiber for artificial hair.

Disclosed is a fiber for artificial hair containing a polycondensation-based polymer and a crosslinking agent. Also disclosed is a headdress article including the fiber for artificial hair.

Disclosed is a fiber for artificial hair, containing a polyamide-based resin and a maleic acid-based polymer having at least one maleic acid compound selected from the group consisting of maleic acid and a maleic acid derivative as a monomer unit. Also disclosed is a headdress article including the fiber for artificial hair. Also disclosed is a method for producing a fiber for artificial hair, the method including a step of spinning a composition containing a polyamide-based resin and a maleic acid-based polymer having at least one maleic acid compound selected from the group consisting of maleic acid and a maleic acid derivative as a monomer unit.

The present disclosure relates to a fiber for manufacturing a stretchable hydrophobic fiber article, the fiber including silica nanoparticles which are surface-modified such that the silica nanoparticles include a hydrocarbon chain, and a styrene-based thermoplastic elastomer, a stretchable hydrophobic fiber article manufactured therefrom, and a manufacturing method thereof. A fiber and a fiber article according to the present disclosure may have high hydrophobicity, preferably both superhydrophobicity and elasticity. Further, as the fiber and fiber article have excellent mechanical stability and chemical durability, the fiber and fiber article may stably exhibit the aforementioned high hydrophobicity and elasticity even under the harsh conditions.

The present invention relates to a thermoresponsive copolymer, a nanofiber structure comprising the same, and a method for preparing a nanofiber structure, more specifically relates to a thermoresponsive copolymer, which can be applied to various industrial fields since of which the contraction or expansion can be controlled based on a specific lower critical solution temperature and the mechanical strength is a certain level or higher as well as the core-shell structure exhibiting improved hydrophilicity can increase the amount of water absorbed/desorbed, a nanofiber structure comprising the same, and a method for preparing a nanofiber structure.

An emulsion composition, a polystyrene nano-fiber, a polystyrene nano-fiber product and a preparation method and use thereof, wherein the emulsion composition comprises a dispersed phase and a continuous phase, the dispersed phase contains a soluble salt and a first solvent, the continuous phase contains polystyrene, a second solvent and sulfonated polystyrene being syndiotactic polystyrene and/or isotatic polystyrene; the preparation of the emulsion composition: under heating and stirring, dropwise adding the dispersed phase into the continuous phase; the preparation of the polystyrene nano-fiber or polystyrene nano-fiber product: crystallize the above emulsion composition; the polystyrene nano-fiber prepared by the above emulsion composition has a pore structure, and the prepared product has a stable and controllable three-dimensional structure and multi-level and/or intercommunicated pore structure, and also has a high preparation efficiency, therefore the above polystyrene nano-fiber or product has excellent application prospects in absorption, adsorption, oil-water separation, and construction of special wettability surfaces.

The present invention provides a filament for material extrusion 3D printer molding, which affords a molded article having soft texture and excellent heat resistance and among others, exhibits good moldability in molding by a material extrusion 3D printer. The present invention relates to a filament for material extrusion 3D printer molding, including a thermoplastic elastomer which contains at least a specific block copolymer and in which the ratio between storage modulus and loss modulus measured at 200° C. and 100 Hz by dynamic viscoelasticity measurement is in a specific range.

The present invention provides a filament for material extrusion 3D printer molding, which affords a molded article having soft texture and excellent heat resistance and among others, exhibits good moldability in molding by a material extrusion 3D printer. The present invention relates to a filament for material extrusion 3D printer molding, including a thermoplastic elastomer which contains at least a specific block copolymer and in which the ratio between storage modulus and loss modulus measured at 200° C. and 100 Hz by dynamic viscoelasticity measurement is in a specific range.