Barrier coating
First Claim
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1. A sample assembly comprising:
- a plastic container having an open end, a closed end, an inner surface and an outer surface; and
a multi-layer barrier coating applied to the outer surface of said container, said coating having a first layer applied to the outer surface of said container comprising a plasma-deposited inorganic material of aluminum oxide and a second layer applied to said first layer, comprising a parylene polymer or vinylidene chloride-acrylonitrile-methyl methacrylate-methyl acrylate-acrylic acid polymer.
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Abstract
The present invention is a plastic container coated with a barrier coating. The barrier coating is useful for providing an effective barrier against gas permeability in containers and for extending shelf-life of containers, especially plastic evacuated blood collection devices.
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Citations
3 Claims
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1. A sample assembly comprising:
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a plastic container having an open end, a closed end, an inner surface and an outer surface; and a multi-layer barrier coating applied to the outer surface of said container, said coating having a first layer applied to the outer surface of said container comprising a plasma-deposited inorganic material of aluminum oxide and a second layer applied to said first layer, comprising a parylene polymer or vinylidene chloride-acrylonitrile-methyl methacrylate-methyl acrylate-acrylic acid polymer. - View Dependent Claims (2, 3)
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Specification