MELT-PROCESSABLE, BIODEGRADABLE CELLULOSE ACETATES, COMPOSITIONS, MELTS AND MELT-FORMED ARTICLES MADE THEREFROM
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United States of America
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Nov 7, 2024
app pub date -
Jul 19, 2022
filing date -
Jul 19, 2022
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Abstract
A melt-processable, biodegradable cellulose acetate is disclosed. The melt-processable, biodegradable cellulose acetate of the present invention is characterized by a heated intrinsic viscosity (HIV) of at least 0.9. Also disclosed m is a stabilized cellulose acetate which may be characterized by a metals-to-sulfur molar ratio M/S of at least 1.35, wherein the M is the molar sum of metals selected from the group consisting of calcium, magnesium, potassium, sodium and combinations thereof and S is moles sulfur. Melt-processable, biodegradable cellulose acetate compositions; a melt-processable, biodegradable, cellulose acetate melt; and melt-formed articles are also described.
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