I. Overview of the Requirements for Antibacterial Modification of Spunbond Nonwoven Fabrics PP spunbond non-woven fabric is widely used in fields such as medical protection, hygiene care, and household filtration. The common base material is prone to the growth of Escherichia coli, Staphylococcus aureus, and mold, presenting problems such as cross-infection, unpleasant odors, and moldy conditions.

Household plastic parts cover all scenarios of food preparation, storage and storage. Different usage environments give rise to different hygiene risks. A single antibacterial solution is unable to meet all requirements:

HDPE films, due to their strong toughness, good air tightness, and excellent tensile strength, are widely used in food packaging, daily-use films, medical consumables, agricultural protective films, logistics packaging, etc. The application scenarios of films are mostly enclosed and humid environments, where bacteria such as Escherichia coli, Staphylococcus aureus, and molds are easily attached, causing food spoilage, film mold growth, and non-compliance with hygiene standards, thereby affecting product quality and terminal reputation.

The plastic hollow fiber membrane, with its advantages such as high flux, good strength, resistance to acid and alkali, and ease of processing, is widely used in fields such as water purification filtration, wastewater treatment, reclaimed water reuse, and biomedical filtration. However, the porous structure of the membrane body easily adsorbs bacteria, molds

The spinning oil agent preservative is a functional additive specifically designed for the textile and chemical fiber industry. It is mainly developed for spinning oil agent systems of polyester, nylon, polypropylene, etc.

The paper pulp contains cellulose, hemicellulose and water. In the production environment with a pH of 4-8 and a temperature of 25-45℃, it is highly prone to the growth of bacteria, molds, yeasts and algae and other microorganisms. The metabolic activities of these microorganisms will decompose the fibers and produce mucus, leading to problems such as rotten pulp, paper holes/black spots/ruptures, equipment sludge blockage,