发明公开
- 专利标题: A PROCESS FOR RECOVERING POLYESTER
- 专利标题(中): VERFAHREN ZURRÜCKGEWINNONVON POLYESTER
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申请号: EP14880260.6申请日: 2014-12-30
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公开(公告)号: EP3092335A2公开(公告)日: 2016-11-16
- 发明人: RANGASWAMY VIDHYA , JAGTAP AMIT RANGARAO , SRIVASTAVA ANURAG , BALACHANDRAN VIJAI , JOSHI HARSHVARDHAN
- 申请人: Reliance Industries Limited
- 申请人地址: 3rd Floor, Maker Chamber-IV 222 Nariman Point Mumbai 400 021 Maharashtra IN
- 专利权人: Reliance Industries Limited
- 当前专利权人: Reliance Industries Limited
- 当前专利权人地址: 3rd Floor, Maker Chamber-IV 222 Nariman Point Mumbai 400 021 Maharashtra IN
- 代理机构: Groth & Co. KB
- 优先权: INMM41332013 20140106
- 国际公布: WO2015111071 20150730
- 主分类号: D06M16/00
- IPC分类号: D06M16/00 ; C08J11/00 ; D06M11/00
摘要:
The present disclosure relates to a process for recovering a polyester component and products of a non-polyester component from an article containing a polyester blend. The polyester blend consists of a polyester component and a non-polyester component. Particularly, the polyester component of the present disclosure is polyethylene terephthalate and the non-polyester component is at least one selected from the group consisting of cotton and viscose. The process of the present disclosure includes hydrolyzing the article using at least one hydrolyzing agent having pH ranging from 7 to 14 to obtain a first mixture containing the polyester component, the non-polyester component, optionally, products of the non-polyester component and the hydrolyzing agent. This is followed by incubating the first mixture using at least one enzyme selected from the group consisting of cellulose and pectinase to further convert the non-polyester component into products of the non-polyester component thereby releasing the polyester component.
公开/授权文献
- EP3092335B1 A PROCESS FOR RECOVERING POLYESTER 公开/授权日:2019-05-15
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