Continuous Dissolution of a Cellulose Derivative
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United States of America Patent
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Apr 11, 2024
app pub date -
Dec 31, 2021
filing date -
Dec 31, 2021
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Abstract
According to an example aspect of the present invention, there is provided a method of continuously dissolving cellulose carbamate in an alkaline aqueous phase to form a solution, comprising the steps of providing cellulose carbamate, mixing the cellulose carbamate with an aqueous alkaline solution to form a mixture, conducting the mixture through the mixing zone of a continuously operated mixing kneader at a temperature of 10 degrees Celsius or less to produce a solution of said cellulose carbamate in an alkaline aqueous phase, and recovering the cellulose carbamate containing aqueous phase.
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