MOISTURE RESISTANT COATING FOR BARRIER FILMS
First Claim
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1. A barrier film, comprising:
- a substrate;
a base polymer layer applied to the substrate;
an oxide layer applied to the base polymer layer; and
a top coat polymer layer applied to the oxide layer,wherein the top coat polymer layer comprises a reaction product of a cyclic aza-silane, an acrylate monomer having a molecular weight in a range of about 150 to about 600 grams per mole, and a surface of the oxide layer.
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Abstract
A barrier film having a substrate, a base polymer layer applied to the substrate, an oxide layer applied to the base polymer layer, and a top coat polymer layer applied to the oxide layer. An optional inorganic layer can be applied over the top coat polymer layer. The top coat polymer includes a silane and an acrylate co-deposited to form the top coat layer. The use of a silane co-deposited with an acrylate to form the top coat layer of the barrier films provide for enhanced resistance to moisture and improved peel strength adhesion of the top coat layer to the underlying barrier stack layers.
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20 Claims
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1. A barrier film, comprising:
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a substrate; a base polymer layer applied to the substrate; an oxide layer applied to the base polymer layer; and a top coat polymer layer applied to the oxide layer, wherein the top coat polymer layer comprises a reaction product of a cyclic aza-silane, an acrylate monomer having a molecular weight in a range of about 150 to about 600 grams per mole, and a surface of the oxide layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A process for making a barrier film, comprising:
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providing a substrate; vapor depositing and curing a base polymer layer to the substrate; applying an oxide layer to the base polymer layer; and vapor depositing and curing a cyclic aza-silane and an acrylic monomer having a molecular weight in a range of about 150 to about 600 grams per mole to form a top coat polymer layer on the oxide layer, wherein the cyclic aza-silane and the acrylate are simultaneously vapor deposited. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification