An enhanced flash evaporation/electrospinning composite spinning equipment includes a flash spinning equipment, an electrospinning equipment, and a grounded receiving conveyor belt; the flash spinning equipment includes a flash spinning spinneret unit, the flash spinning spinneret unit includes a first spinneret, and the first spinneret is grounded; the electrospinning equipment includes a high-voltage power supply and an electrospinning spinneret unit, the electrospinning spinneret unit includes a second spinneret, and the second spinneret is connected to the high-voltage power supply; the first spinneret and the second spinneret are both located above the receiving conveyor belt at opposite positions with a distance of D, and the value range of D is 15-40 cm. The enhanced flash evaporation/electrospinning composite spinning equipment has a simple structure, and can prepare products that are not easy to delaminate, and excellent in waterproof performance and air permeability.

A nano-zinc oxide-supported bacterial cellulose microfiber-alginate fiber composite is described. The composite is obtained by absorbing nano-zinc oxide-supported bacterial cellulose microfibers on an alginate fiber spunlace non-woven fabric; the nano-zinc oxide is uniformly distributed on the surface of the bacterial cellulose microfibers. This composite has good biocompatibility, mechanical properties and water absorption properties, and has a great application prospect in biomedical fields, such as wound dressings, human body repair materials, tissue engineering materials, etc.

A metal nonwoven fabric contains a metal fiber and has liquid permeability. The metal fiber has an average fiber diameter of 20 nm or more and 10 m or less. The metal nonwoven fabric has a void distribution peak top diameter measured according to mercury porosimetry of 30 m or less. In the metal nonwoven fabric, the void distribution peak top diameter measured according to mercury porosimetry is preferably 0.01 m or more. Where a length of a crystal of a metal that constitutes the metal fiber in an extension direction of the metal fiber is represented by X and a length of the crystal in a direction perpendicular to the extension direction of the metal fiber is represented by Y, an arithmetic average value of values of a ratio X/Y of crystals that are present at three boundary regions formed by dividing a length of the metal fiber that constitutes the metal nonwoven fabric into four equal parts in the extension direction of the metal fiber is preferably 4 or less, the ratio X/Y being a ratio of the length X relative to the length Y.

A protective covering for an outdoor cooking appliance, the protective covering including a temperature-resistant material including a fabric layer, a resin topcoat, and a resin bottom coat; a plurality of panels formed from the temperature-resistant material, the plurality of panels being coupled at a plurality of seams to define a shell shape; and a first detachable closure defined along a portion of a first seam of the plurality of seams.

A thermoresponsive facial mask has a non-woven fabric structure with multiple layers, wherein at last one of the layers of the non-woven fabric structure has far-infrared hollow fibers. The far-infrared hollow fibers content far-infrared powers that emit a far-infrared radiation. A formula for the thermoresponsive facial mask has a polyalcohol and a germanium element, which promotes the thermoresponsive facial mask to generate an advantage of forming the warming effect automatically.

In order to obtain an electret melt blown nonwoven fabric having flexibility and high tensile elongation without performing a special post-processing treatment or using a special additive, the electret melt blown nonwoven fabric comprising polyolefin-based resin fibers is provided, the electret melt blown nonwoven fabric having a crystallization temperature of 80 C. or higher and 130 C. or lower and a heat quantity Hm of 3.0 J/g or higher and 20.0 J/g or lower at the time of the first temperature rise in the cycle of DSC.

Backsheets having a combination of desirable liquid barrier properties and air permeability are provided. The backsheets include outermost spunbond layers and two or more fine-fiber containing nonwoven layers.

An anofiber scaffold manufacturing device, suitable for manufacturing a nanofiber scaffold. The nanofiber scaffold manufacturing device includes a feeder, a delivery tube, a spinning assembly, an automatic collection device, and an electrostatic generator. The feeder is suitable for storing a spinning raw material. The delivery tube has an input end and an output end. The input end is connected to the feeder. The spinning assembly includes a spinning electrode and a nozzle. The nozzle is connected to the spinning electrode, and the spinning assembly is connected to the output end of the delivery tube. The automatic collection device is disposed opposite to the spinning assembly. The electrostatic generator is connected to the spinning electrode and forming an electric field between the spinning electrode and the automatic collection device. A nanofiber scaffold manufacturing method, a nanofiber scaffold, and an application thereof are also provided.

A method for producing a sheet having nanofibers that contain a piezoelectric polymer material. The method including dissolving a piezoelectric polymer material into a solvent so as to prepare a spinning solution; preheating a target board before nanofibers are formed by electrospinning the spinning solution; and, after the heating of the target board, receiving the nanofibers formed by electrospinning onto the heated target board so as to form the nanofibers into a sheet on the heated target board.

Filter media including nonwoven fiber webs comprising nanofibers, and related methods, are generally described.