Patent classifications
C
C08
C08J
2301/00
C08J2301/08
C08J2301/22
C08J2301/24
C08J2301/24
PROCESS FOR FABRICATION OF REGENERATED CELLULOSE YARNS DERIVED FROM RECYCLED WASTE FEEDSTOCKS
20250034757
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2025-01-30
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Method for the production of cellulose yarns from recycling cellulose material, wherein the method includes the following steps: (a) dissolution of the recycling cellulose material in a molten ionic liquid; (b) adapting the conditions such that active substances dissolved or dispersed in the molten ionic liquid or generated in situ in the molten ionic liquid act to degrade non-cellulose material initially contained in the recycling cellulose material and contained in the molten ionic liquid due to the dissolution of the recycling cellulose material, wherein the active substances can already be present during (a) or can be added after (a) and before or during (b).