Method for the production of heat-sealing barrier paper
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United States of America
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Jul 29, 2015
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Jul 29, 2015
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Abstract
The invention relates to a method for the production of a heat-sealable paper that forms a barrier to water vapour, in particular having a water vapour permeability of at most 150 g/m2/24 h measured according to ASTM F1249 under so-called tropical conditions of 38° C. and 90% relative humidity, in which at least one coating layer comprising at least one thermoplastic film-forming polymer is applied in-line on the paper-making machine to the fibrous substrate.
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