DEGUMMING AND SCOURING OF BAST MATERIAL FOR PRODUCTION OF TEXTILE AND PULP-QUALITY FIBER
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United States of America Patent
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May 20, 2021
app pub date -
Apr 9, 2019
filing date -
Apr 9, 2018
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Abstract
A method for degumming bast fibers comprising soaking a source of bast fiber in a saline solution. The source of bast fiber may be soaked in a saline solution having a concentration ranging between less than 1 part per thousand to about 200 parts per thousand. The saline concentration may vary as the source of bast fiber is soaking, or by alternating bast fiber between aqueous solutions of differing ionic concentrations. In one embodiment, the source of bast fiber is soaked in seawater, wherein the saline concentration varies by alternating the salinity using a tide. The source of bast fiber may be hemp.
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