Manufacturing method of carboxymethyl cellulose nonwoven fabric and use of carboxymethyl cellulose nonwoven fabric manufactured thereby
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United States of America Patent
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Nov 1, 2016
Grant Date -
Jan 7, 2016
app pub date -
Oct 23, 2013
filing date -
Dec 10, 2012
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Abstract
The present invention relates to a manufacturing method of a carboxymethyl cellulose nonwoven fabric which includes the carboxymethylation of cellulose fibers and the subsequent paper-making process to prepare a carboxymethyl cellulose nonwoven fabric. Comparing with the conventional method involving carboxymethylation of a nonwoven fabric, the method of the present invention has convenience and easiness of the process and thus enables production on a large scale. Further, the carboxymethyl cellulose nonwoven fabric manufactured by the present invention is susceptible to gelation upon contact with body fluids or water and thus useful as a medical nonwoven fabric or a mask pack.
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