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.

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.

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.

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.

The invention provides an enhanced electrospun film made from polyvinylidene fluoride (PVDF) and at least one low-melting-point polymer in a ratio of 99.9:0.1-90:10 by weight, and the low-melting-point polymer having a melting point lower than the polyvinylidene fluoride and a softening point in the range of 110-140 C. The enhanced electrospun film exhibits excellent mechanical properties, higher moisture permeability and hydrostatic pressure resistance. The invention further provides a method for manufacturing the enhanced PVDF electrospun film, and use of the enhanced PVDF electrospun film in preparing a waterproof and moisture permeable product.

The invention provides an enhanced electrospun film made from polyvinylidene fluoride (PVDF) and at least one low-melting-point polymer in a ratio of 99.9:0.1-90:10 by weight, and the low-melting-point polymer having a melting point lower than the polyvinylidene fluoride and a softening point in the range of 110-140 C. The enhanced electrospun film exhibits excellent mechanical properties, higher moisture permeability and hydrostatic pressure resistance. The invention further provides a method for manufacturing the enhanced PVDF electrospun film, and use of the enhanced PVDF electrospun film in preparing a waterproof and moisture permeable product.

The present disclosure provides a non-woven fabric, a separator, and a battery. The non-woven fabric includes a structural fiber, and the structural fiber includes a circular cross-section fiber and a profiled fiber; and a cross section of at least part of the profiled fibers has a perimeter coefficient being X.sub.L, with 1<X.sub.L5. The present disclosure can improve the strength of the non-woven fabric while maintaining its relatively small thickness, thereby simultaneously improving the safety, cycle life, energy density and other properties of the battery.

The present disclosure provides a non-woven fabric, a separator, and a battery. The non-woven fabric includes a structural fiber, and the structural fiber includes a circular cross-section fiber and a profiled fiber; and a cross section of at least part of the profiled fibers has a perimeter coefficient being X.sub.L, with 1<X.sub.L5. The present disclosure can improve the strength of the non-woven fabric while maintaining its relatively small thickness, thereby simultaneously improving the safety, cycle life, energy density and other properties of the battery.

Disclosed herein are compositions for use as scaffold materials for artificial dermal layers. Disclosed herein are methods for the manufacture and processing of scaffold materials for artificial dermal layers. Disclosed herein are scaffold materials for use supporting immortalized fibroblasts.

Disclosed herein are compositions for use as scaffold materials for artificial dermal layers. Disclosed herein are methods for the manufacture and processing of scaffold materials for artificial dermal layers. Disclosed herein are scaffold materials for use supporting immortalized fibroblasts.