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Patent Searching and Data


Title:
METHOD FOR RECYCLING MIXED FABRICS
Document Type and Number:
WIPO Patent Application WO/2021/165531
Kind Code:
A3
Abstract:
The invention relates to a method for extracting elastane, polylactide, polyurethane and polyvinyl chloride from textile materials containing elastane, polylactide, polyurethane or polyvinyl chloride, in particular from mixed textile fabrics, in which method the textile materials to be treated are extracted at an elevated temperature using cyrene or 2,5-dimethyl isosorbide as solvent in a first step, and are washed with a further solvent in a second step.

Inventors:
MAYER-GALL THOMAS (DE)
ETEMAD-PARISHANZADEH OMID (DE)
ENGELS TORI (DE)
GUTMANN JOCHEN STEFAN (DE)
Application Number:
PCT/EP2021/054318
Publication Date:
October 14, 2021
Filing Date:
February 22, 2021
Export Citation:
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Assignee:
DTNW DEUTSCHES TEXTILFORSCHUNGSZENTRUM NORD WEST GEMEINNUETZIGE GMBH (DE)
International Classes:
B01D11/02; B29B17/02; C08J11/08; C08K5/15; D01G11/00
Attorney, Agent or Firm:
SCHNEIDERS & BEHRENDT BOCHUM et al. (DE)
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