Invention Application
- Patent Title: DISPOSAL METHOD FOR WASTE FABRIC CONTAINING POLYESTER, SPANDEX, AND DYE
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Application No.: US17689966Application Date: 2022-03-08
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Publication No.: US20230131718A1Publication Date: 2023-04-27
- Inventor: Te-Chao Liao , Jung-Jen Chuang , Zhang-Jian Huang , Tzu-Huan Wong
- Applicant: NAN YA PLASTICS CORPORATION
- Applicant Address: TW Taipei
- Assignee: NAN YA PLASTICS CORPORATION
- Current Assignee: NAN YA PLASTICS CORPORATION
- Current Assignee Address: TW Taipei
- Priority: TW110139088 20211021,TW111102619 20220121
- Main IPC: C08J11/28
- IPC: C08J11/28 ; C08J11/14 ; C08J11/16

Abstract:
A disposal method for waste fabric containing polyester, spandex, and dye includes the following steps: step (a): providing a waste fabric containing polyester, spandex, and dye; and step (b): performing a first-stage treatment including elution on the waste fabric to obtain a first liquid material and a first solid material. The first-stage treatment includes elution with a cosolvent mixed with an oxidant. The first solid material includes recycled polyester, and/or the first liquid material includes recycled spandex or degraded spandex.
Information query
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