Packaging material comprising a starch-based barrier coating and coating composition and process for producing the same
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United States of America Patent
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Dec 12, 2017
Grant Date -
Aug 11, 2016
app pub date -
Sep 18, 2014
filing date -
Sep 18, 2013
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Abstract
A starch-based coating compound for packaging materials, in particular for paper, pasteboard or cardboard, wherein the starch has a molecular weight in the range of 800,000 to 50,000,000 g/mol, preferably in the range of 800,000 to 20,000,000 g/mol. The coating compound is used for surface-sealing packaging materials, to prevent the passage of mineral oil contaminants from the packaging material into packaged goods. The subject disclosure furthermore relates to a multi-layer packaging material, which is produced using the coating compound, and to a method for producing said packaging material.
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