METHOD FOR MAKING CELLULOSE CARBAMATE
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United States of America Patent
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Issued Date -
May 25, 2017
app pub date -
Jun 23, 2015
filing date -
Jun 27, 2014
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Abstract
The present invention relates to a method for manufacturing cellulose carbamate which method comprises the following steps: providing a never-dried pulp, adding urea and mixing said pulp with said urea, mechanically treating said mixture, drying the mixture, and heating the relatively dry mixture thus providing a cellulose carbamate. The present invention also relates to a cellulose carbamate obtainable by said method, use of said cellulose carbamate and a dope comprising said cellulose carbamate.
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