MOISTURE CONTROL MATERIAL
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United States of America
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Issued Date -
Mar 26, 2020
app pub date -
May 7, 2018
filing date -
May 7, 2018
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Abstract
Method of manufacturing an active moisture control material, wherein the material is formed from a base board comprising cellulose fibers and having a basis weight in the range of from 50 to 500 g/m2 and having a bulk of at least 1.2 cm3/g, wherein the method comprises a surface treatment of at least one side of said base board with a surface treatment composition comprising carboxymethyl cellulose (CMC) and a metal salt, wherein said surface treatment composition comprises carboxymethyl cellulose in a range of from 2 to 10 weight-% based on the total solid content of said surface treatment composition, and the metal salt in a range of from 10 to 30 weight-% based on the total solid content of said composition.
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