Preparation method of waterproof and breathable nanofiber membrane

Abstract

The invention discloses a preparation method of a waterproof and breathable nanofiber membrane. The preparation method comprises the following step of A, preparing a basement membrane: smashing thermoplastic polyurethane, polymeric nanofibers, graphene, polyethylene, hydroxyethyl cellulose, nanometer titania and nanosilicon dioxide particles, and feeding into a smelting furnace. According to the preparation method of the waterproof and breathable nanofiber membrane provided by the invention, the basement membrane is firstly prepared, a layer of hydrophilic membrane is injected on the surface of the basement membrane, a hydrophobic membrane is injected on the bottom face of the basement membrane, and a coiled thin membrane is finally obtained through extruding, drying, winding and cutting,so that the waterproof and breathable performances of the overall thin membrane can be effectively improved; and in addition, the basement membrane adopts the thermoplastic polyurethane, the nanometertitania, the nanosilicon dioxide particles, the graphene and the like as raw materials, so that the toughness, antibacterial effect, ultraviolet-resistance and strength of the overall thin membrane can be effectively improved, the application range and the service life of the overall thin membrane are improved, the market competitiveness is improved, and the method is in line with the interests of the enterprise.

Description

Technical field [0001] The invention relates to the technical field of membranes, in particular to a method for preparing a waterproof and breathable nanofiber membrane. Background technique [0002] A film is a thin and soft transparent sheet made of plastic, adhesive, rubber or other materials. The scientific explanation of the film is: a two-dimensional material deposited on the surface of the substrate by atoms, molecules or ions, for example: optics Films, composite films, superconducting films, polyester films, nylon films, plastic films, etc. The films are widely used in electronic appliances, machinery, printing and other industries, but the existing films have poor waterproof and air permeability, which reduces Its use range and its anti-ultraviolet effects are poor, which reduces its service life and is not in the interests of the enterprise itself. Summary of the invention [0003] The purpose of the present invention is to provide a method for preparing a waterproof a...

AI Technical Summary

Problems solved by technology

[0002] A film is a thin and soft transparent sheet made of plastic, adhesive, rubber or other materials. The scientific explanation of a film is: a 2-dimensional material formed by depositing atoms, molecules or ions on the surface of a substrate, for example: optics Films, composite films, superconducting films, polyester films, nylon films, plastic films, etc., films are widely used in electronics, machinery, printing and other industries, but the existing films have poor waterproof and air permeability, thus reducing the Its scope of use, and its anti-ultraviolet effect is poor, thereby reducing its service life, which is not in line with the interests of the enterprise itself