Process for the preparation of a shapeable solution of cellulose in the presence of a tertiary amine oxide and an additive
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United States of America Patent
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Nov 14, 1989
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N/A
app pub date -
Jun 27, 1988
filing date -
Jul 1, 1987
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Expired
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Abstract
The invention relates to solutions of cellulose destined to be extruded or spun, containing a tertiary amine oxide as solvent for the cellulose and in particular the N-oxide of N-methylmorpholine. It consists of using ammonium chloride or calcium chloride as additive in the preparation of these solutions.
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