Method for enabling nano-micron porous luminescent fibers to be attached to surface of non-woven fabric treated with flash evaporation method

Abstract

The invention belongs to the technical fields of electrostatic spinning and flash evaporation spinning and discloses a method for enabling nano-micron porous luminescent fibers to be attached to the surface of non-woven fabric treated with a flash evaporation method. According to the method, the nano-micron porous luminescent fibers are manufactured with an electrostatic spinning method and are attached to the surface of the non-woven fabric treated with the flash evaporation method. Composition comprises the non-woven fabric treated with the flash evaporation method and the nano-micron porous luminescent fibers prepared through electrostatic spinning. The composition is prepared according to the steps as follows: treatment of the non-woven fabric with the flash evaporation method, electrostatic spinning and fixing of the nano-micron porous luminescent fibers. Compared with the prior art, the method can increase the functions of the non-woven fabric treated with the flash evaporation method without changing the mechanical performance of the non-woven fabric, and the mechanical performance of the nano-micron porous luminescent fibers is also greatly improved.

Description

technical field [0001] The invention belongs to the technical field of electrospinning and flash spinning, in particular, a layer of nano-micron porous luminescent fibers is adhered to the surface of a flash nonwoven fabric through the electrospinning technology. Background technique [0002] The flash evaporation method, also known as the instant solvent volatilization method, does not use melt spinning, but adopts dry spinning technology, that is, the high polymer is dissolved in a certain solvent to make a spinning solution, and then the spinneret hole Spraying, the high polymer is re-solidified into fibers due to the rapid volatilization of the solvent. At the same time, the dry spinning technology used in the flash method is different from the ordinary dry spinning technology, mainly reflected in the lower cost of the flash method. The viscosity of the spinning solution is high, and it is sprayed from the spinneret hole at a very high pressure and speed. Due to the low ...

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Problems solved by technology

[0002] The flash evaporation method, also known as the instant solvent volatilization method, does not use melt spinning, but adopts dry spinning technology, that is, the high polymer is dissolved in a certain solvent to make a spinning solution, and then the spinneret hole Spraying, the high polymer is re-solidified into fibers due to the rapid volatilization of the solvent. At the same time, the dry spinning technology used in the flash method is different from the ordinary dry spinning technology, mainly reflected in the lower cost of the flash method. The viscosity of the spinning solution is high, and it is sprayed from the spinneret hole at a very high pressure and speed. Due to the low viscosity and good fluidity of the solution, the liquid filaments solidify during high-speed motion to form extremely fine fiber filaments, which are finally drawn Adsorbed on the web curtain to form a fiber web directly. With the development of flash spinning technology, the research on the solvent system and spinning process parameters of flash spinning has been in-depth. The performance of the product itself, especially the mechanical properties, can greatly meet people's needs, but its functionalization degree is relatively low. At present, the functionalization of flash nonwovens has not been widely studied.

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