Method of pulping cotton-based raw material
AssigneeLenzing Aktiengesellschaft
InventorsStephan Silbermann, Christian Weilach
Life of this patent
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Abstract
The present invention relates to a method of pulping cotton-based raw material for producing dissolving pulp. More specifically, the invention relates to a process for producing dissolving pulp under alkaline conditions in combination with a gaseous oxidizing agent. The present invention further relates to dissolving pulp obtainable by pulping cotton-based raw material, in particular dissolving pulp obtainable by the method of the present invention, the use of such dissolving pulp for producing regenerated cellulose molded bodies, and methods of producing lyocell or viscose including such dissolving pulp.
Claims13
1-10. (canceled)
A dissolving pulp obtainable by pulping cotton-based raw material, wherein the dissolving pulp contains a low level of carbonyl groups, carboxyl groups or carbonyl groups and carboxyl groups.
19-20. (canceled)
Dependencies are inferred from the claim text.