PROCESSES OF MAKING CELLULOSE ESTER FIBERS FROM PRE-CONSUMER TEXTILE WASTE

Title:

PROCESSES OF MAKING CELLULOSE ESTER FIBERS FROM PRE-CONSUMER TEXTILE WASTE

Document Type and Number:

WIPO Patent Application WO/2024/050329

Kind Code:

A3

Abstract:

A dissolving pulp comprising a pre-consumer textile waste is used to produce cellulose esters and corresponding fibers. The process utilizes the cellulose content of wastes generated during textile manufacturing, including cotton linters, undercard, fabric clippings, cattle feed waste, comber knolls, pneumafil waste, shoddy waste, yarn waste, production waste, cutter clippings, twisting waste, or mixtures thereof.

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Inventors:

WAGNER GLEN (US)
TREASURE TREVOR (US)
ALLEN JOHN (US)
EDWARDS BRIAN (US)
MURDAUGH PERRY (US)
LIN ROBERT (US)
BOAZ NEIL (US)
URMAN KEVIN (US)

Application Number:

PCT/US2023/073040

Publication Date:

May 10, 2024

Filing Date:

August 29, 2023

Export Citation:

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Assignee:

EASTMAN CHEM CO (US)

International Classes:

C08B17/02; C08B1/00; C08B3/06; C08B3/08

Attorney, Agent or Firm:

OWEN, Polly, C. (US)

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