Modified polypropylene spunbond non-woven fabric and preparation method thereof

A preparation method of a modified polypropylene spunbond non-woven fabric, comprising:

• modifying an organic compound to provide a modified nanocomposite material, the organic compound comprising tea polyphenol, naringin, and emodin, wherein the organic compound is in a weight percentage range of approximately 0.1%-5% based on a total weight of the modified polypropylene spunbond non-woven fabric,
• wherein modifying the organic compound includes:
• adding the organic compound into water to form a solution where the organic compound is fully dissolved;
• and adding a porous nanomaterial into the solution to form a mixture and stirring the mixture to form the modified nanocomposite material,
• wherein the porous nanomaterial includes one or more of montmorillonite, zeolite powder, porous nano-TiO2 microspheres, and porous nano-SiO2 microspheres;
• preparing a composite modifier, by performing:
• adding a fat-soluble solvent into the modified nanocomposite material, and grinding the modified nanocomposite material to provide the composite modifier;
• and
• preparing the polypropylene spunbond non-woven fabric, by performing:
• melt-mixing polypropylene chips in a twin-screw extruder,
• after a melt of the polypropylene chips is formed in the twin-screw extruder, adding the composite modifier into the twin-screw extruder, and mixing the composite modifier with the melt of the polypropylene chips to form a mixed melt,
• spinning and pulling the mixed melt to form a fiber net, and
• hot-rolling the fiber net into a fabric by a hot-rolling machine to provide the modified polypropylene spunbond non-woven fabric.