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Study on Preparation and Stability of Cellulose Carbamate Solution

A Wumanjiang

Abstract

The preparation and stability of cellulose carbamate solution by dissolving cellulose carbamate-a new spinning cellulose were studied. The results showed that the cellulose carbamate which synthesized with cellulose pulp that polymerization degree was in the range of 350~612 and the content of N in the range of 2.34 %~3.56 % could be dissolved in sodium hydroxide solution of 8 % to 11 % at temperatures of -5~10 ℃ form 7 % cellulose carbamate solution with straw yellow. The obtained solution could be directly used for spinning. The urea?AlCl3 and ZnCl2 would help to dissolving in a given range.

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Available abstract

Key concepts: Cellulose, Carbamate, Dissolution, Sodium hydroxide, Urea, Dissolving pulp, Degree of polymerization, Chemistry