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Nano-zinc oxide was divided into two kinds of application in plastic field: One was processed into high zinc oxide content of the resin antimicrobial masterbatch(Most of the zinc oxide content of 20%), which was white granulated. Another was directly blending the corresponding resin molding. Different plastic resin such as PP﹑PET etc were different masterbatch products corresponding. zinc oxide had excellent properties of antibacterial, had blocked the shielding effect of the high efficiency of UVA..Applications found that the addition of only 1% of zinc oxide so that antibacterial rate of plastic products reached more than 99%. Value of ultraviolet shield rate reached UPF 50+. Also increased the service life role and anti-aging for outdoor plastic products. The plastic products added were determined by zinc oxide catalyst with excellent performance,with properties of antibacterial of no recession and blocking UV aging and improving material strength.
Applications and Usages
This product was suitable for refrigerator, washing machine and other household appliances, wipes, diapers and other hygiene products, food and drugs, maternal and medical supplies, vehicle seats, armrest, mouse, keyboard, telephone shell etc. It was visible that object surface that people frequently contacted would need surface antibacterial. Wherein the material composition of the polymer could add zinc oxide to achieve the purpose of anti-bacterial. We recommended zinc oxide applied into plastics normally added zinc oxide catalyst which contained a high amount of masterbatch. The so-called zinc oxide catalyst contained a high amount of masterbatch refered to in advancethrough a certain process dispersing the zinc oxide to some resins such as polypropylene resin, which we called PP antimicrobial masterbatch. The PP antimicrobial masterbatches usually directly melt and blended the PP resin molding or spinning then acquired antibacterial products. Antibacterial properties of the final product had been confirmed by a number of authoritatives and testing organizations home and abroad.