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Infrared Analysis of Coated Vinyl Materials

SpecialChem / Oct 14, 2009

Many modern processes, from food safety to materials preservation, involve the application of a coating to a substrate. These coatings serve to protect the substrate from damaging environmental effects, to protect substances in contact with the coating from contamination, or to control the release of the underlying material. Coatings are found on a range of substrates, for example the inside of soda cans to protect and preserve taste, on fabrics to enhance water or stain resistance, on drug tablets to control release and on vinyl flooring to protect against scratching, staining and damage from light exposure. This article focuses on vinyl upholstery used in the marine and automotive fields. These applications require the material to withstand abrasive environments. In addition, vinyl products for marine upholstery must resist the corrosive salt water environment, mildew and mold, and the excessive UV light exposure inherent in spending time on the open water. Coating formulations for the vinyl are tailored to address these demands. During development, the coated vinyl will be subjected to simulated environments by varying temperature and humidity or exposure to sunlight to see how the coated material wears, fades and ages.

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