Antimicrobial polyolefin articles and methods for their preparation
First Claim
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1. An antimicrobial polyolefin article having chitosan grafted thereon.
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Abstract
This invention relates to antimicrobial polyolefin articles utilizing chitosan and chitosan-metal complexes as the antimicrobial agent and methods for making same.
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Citations
68 Claims
- 1. An antimicrobial polyolefin article having chitosan grafted thereon.
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13. A process for preparing antimicrobial polyolefin articles, said process comprising the sequential steps of:
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a) providing a polyolefin article, b) optionally, cleaning the surface of the polyolefin article, c) contacting the polyolefin article with a solution comprising chromic acid, sulfuric acid or a combination thereof, d) contacting the polyolefin article of step c) with a solution comprising chitosan, e) isolating the polyolefin article of step d); and
f) optionally, drying the polyolefin article of step e). - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 48, 49, 50, 51)
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Specification