The present invention regards yarns comprising at least 1% by weight of fibre of a syndiotactic polystyrene containing a co-crystalline phase comprising at least one active guest compound, textiles comprising the aforementioned yarns and methods for preparing the same.

The present invention regards yarns comprising at least 1% by weight of fibre of a syndiotactic polystyrene containing a co-crystalline phase comprising at least one active guest compound, textiles comprising the aforementioned yarns and methods for preparing the same.

A carbon fiber bundle includes single-fibers 40% or more of which have a quasi-oval cross section perpendicular to a fiber direction and meet both Equations (1) and (2): 1.03≤La/Lb≤1.20 (1) and 1.05≤Ld/Lc≤1.25 (2), wherein La is length of a long axis defined as a line segment connecting two points farthest away from each other on a circumference of the quasi-oval cross section of a single-fiber; Lb is length of a short axis defined as a line segment extending perpendicular to the long axis, passing through a midpoint of the long axis, and connecting two points on the circumference; and Lc and Ld are defined as length of a shorter one and that of a longer one, respectively.

Provided is a method of manufacturing a dental cord. The method including: producing a spinning solution by dissolving a fiber-moldable hydrophobic polymer material in a solvent; spinning the spinning solution to obtain a polymer nanofiber web composed of nanofibers and including three-dimensional micropores; laminating the polymer nanofiber web to obtain a polymer membrane; slitting the polymer membrane to obtain a nanofiber tape yarn; hydrophilic-treating the nanofiber tape yarn to obtain a hydrophilic-treated nanofiber tape yarn; plying and twisting the hydrophilic-treated nanofiber tape yarn with a covered yarn to obtain a nanofiber multiple yarn; and impregnating the nanofiber multiple yarn with a hemostatic agent.

Disclosed is a method for preparation and activation of a super hydrophobic electret nanofibrous filter material for cleaning PM2.5, comprising the steps as follows: (1) dissolving polymer powders and resin into a corresponding solvent so as to prepare a polymer solution, then stirring on a magnetic stirrer and standing for use; (2) in order to reinforce the electrostatic effect of the fiber, before preparing the polymer solution, adding in organic electret nanoparticles into the solvent, then oscillating with an ultrasonic oscillator; (3) in order to reinforce the super hydrophobic effect of the filter, spraying a low surface energy solution on the prepared nanofiber with a designed nozzle to carry out modification.

A method for the production of a glassy metal polymer composite is disclosed. The method comprises adding a polymer and a metal to an extruder, wherein the extruder is heated to an extrusion temperature greater than the melting point of the polymer and the melting point of the metal; mixing the metal and the polymer in the extruder for a predefined residence time; and co-extruding the composite from the extruder.

The present disclosure relates to a method for preparing a conjugated polymer film, as well as a light-emitting diode, a display device, and a solar energy battery including the conjugated polymer film. A method for preparing a conjugated polymer film according to the present disclosure includes: preparing a fibrous conjugated polymer; and preparing a conjugated polymer film from the fibrous conjugated polymer. Since the fibrous conjugated polymer has a certain length and orientation, it has improved electron mobility in the dimensional direction thereof, and is capable of improving the carrier mobility of the conjugated polymer film.

The present invention relates to a degradable synthetic fiber composition, a manufacturing method thereof, and a degradable synthetic fiber product manufactured therefrom; wherein the degradable synthetic fiber composition comprises a polymer and two or more transition metal salts dispersed in the polymer; at least one of the two or more transition metal salts is a polyvalent metal salt. The present invention may degrade polymer such as polyester, polyamide, and polystyrene, two or more transition metal additives are selected to produce a synergistic effect, thereby directly improving the utilization of ultraviolet light and visible light; the present invention is the first application of oxidative-biodegradation to synthetic fiber, and can be commercially produced by existing equipment; the formulations and methods of the present invention particularly can be applied directly in weaving techniques such as nonwovens, to further reduce the environmental pollution caused by waste.

The present invention relates to a degradable synthetic fiber composition, a manufacturing method thereof, and a degradable synthetic fiber product manufactured therefrom; wherein the degradable synthetic fiber composition comprises a polymer and two or more transition metal salts dispersed in the polymer; at least one of the two or more transition metal salts is a polyvalent metal salt. The present invention may degrade polymer such as polyester, polyamide, and polystyrene, two or more transition metal additives are selected to produce a synergistic effect, thereby directly improving the utilization of ultraviolet light and visible light; the present invention is the first application of oxidative-biodegradation to synthetic fiber, and can be commercially produced by existing equipment; the formulations and methods of the present invention particularly can be applied directly in weaving techniques such as nonwovens, to further reduce the environmental pollution caused by waste.

The invention provides networked polymeric nanofibers having a structure in which amorphous polymeric fibers are branched at multiple sites and having a diameter of from 1 nanometer to 100 nanometers.

A solution of a polymer such as polystyrene in a good solvent thereof is rapidly frozen to form a nanoscale phase-separation structure of the polymer and the frozen solvent. The networked polymeric nanofibers can then be obtained upon removing the frozen solvent.