The antibacterial upgrade solution for all-plastic household daily necessities
1. Multi-scenario plastic household items pose potential problems of microbial proliferation due to their diverse nature.
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 requirments
Plastic tableware (food storage boxes, plates, bowls, takeout boxes)
Direct contact with meat, cooked food,fruits and vegetables, food residues hidden in corners and crevices, in environments where food is stored at room temperature or where the refrigerator has condensation and moisture, Escherichia coli and Staphylococcus aureus multiply rapidly; repeated washing, high-temperature rinsing in the dishwasher, the surface coating of the antibacterial layer is prone to fall off and lose its effectiveness. There is a risk of cross-contamination of ingredients and gastrointestinal discomfort. Food contact safety is a hard and clear red line.
Plastic storage boxes, storage containers
It is mainly used for storing items in wardrobes, balconies, and basements. During the rainy season and in high-temperature and high-humidity enclosed environments of shipping containers, the gaps in the box and the micro-pores of recycled materials are prone to accumulate mold spores. After storing clothes and bedding, black mold spots will grow, causing an unpleasant smell and polluting the textiles. Only by applying surface anti-mold coating can the protection last, but it disappears after friction or impact. Mold can continuously spread from the base material.
Plastic wardrobe accessories (wardrobe partitions, hanging rods, drawer plastic parts, PVC wardrobe panels)
Long-term sealed and protected from light, indoor moisture and the moisture from clothes cannot escape. The inner walls of the cabinet plastic parts are prone to mold growth and become sticky. Mold spores float and adhere to clothes, causing skin allergies and respiratory discomfort. For large-area plastic parts, the antibacterial agent must be evenly dispersed and cannot have any whitening or yellowing, as this would affect the appearance and texture of the home products.
Traditional single antibacterial additives either fail to meet food contact standards or are unable to withstand high temperature differences and only provide short-term antibacterial effects, thus unable to simultaneously meet the production requirements of three major categories: tableware, storage, and wardrobe plastic parts. Embedding a universal adaptable composite antibacterial agent during the raw material injection molding stage is an efficient path for home plastic factories to achieve simultaneous quality upgrades across multiple product lines.
2. The base material incorporates a sustained-release antibacterial system, providing long-term protection for all types of plastic parts simultaneously.
Dalian Tianwei has independently developed a silver-zinc composite slow-release antibacterial system for common household plastic substrates such as PP, PE, ABS, PVC, and PS. This system comes in two forms: antibacterial masterbatch and powder antibacterial agent. During the production process, these are directly mixed and integrated into the interior of the plastic, differentiating from short-term surface coatings, to achieve overall, seamless antibacterial and mold prevention:
Regarding tableware: Strictly control the ion migration amount to ensure food contact safety and prevent the transmission of pathogenic bacteria carried by food ingredients.
For storage boxes / closet plastic parts: Enhance the anti-mold ability, effectively prevent the germination of mold spores in high-humidity sealed environments;
Based on the phosphorus-zirconium nano-carrier sustained-release technology, the antibacterial active ingredients are released slowly and stably. Even if the product is washed, rubbed or worn for a long time, the internal antibacterial components continue to take effect, maintaining a protection period that is synchronized with the service life of the plastic product. There is no need for a secondary spraying of the antibacterial layer, and it is suitable for the mass production of all types of plastic daily necessities.
