Method for producing a bacteriostatic and fungistatic additive in masterbatch for application in plastics
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United States of America Patent
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Oct 26, 2021
Grant Date -
Sep 6, 2018
app pub date -
Mar 1, 2018
filing date -
Jun 25, 2013
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Abstract
A method for production of an additive case having the steps of preparing a zinc oxide concentration from a paste of nanometric zinc oxide that was previously subjected to surface treatment based on silane additives, preparing a silver concentrate starting from a silver paste of nanometric metallic silver, and preparing the additive paste by mixing the zinc oxide concentrate and the silver concentrate and a polymeric carrier with a compatible resin. The polymeric carrier and compatible resin are in a proportion of between 10:90 to 90:10. The steps obtains the additive paste of ZnO/AG° in masterbatch in pellet form.
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