Invention Grant
US07129347B2 Method for purifying caprolactam from waste containing polyamide using UV radiation
失效
使用紫外线辐射从含有聚酰胺的废物中纯化己内酰胺的方法
- Patent Title: Method for purifying caprolactam from waste containing polyamide using UV radiation
- Patent Title (中): 使用紫外线辐射从含有聚酰胺的废物中纯化己内酰胺的方法
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Application No.: US10897472Application Date: 2004-07-23
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Publication No.: US07129347B2Publication Date: 2006-10-31
- Inventor: Rudolf Kampf , Reinhard Wolf , Joachim Seelig
- Applicant: Rudolf Kampf , Reinhard Wolf , Joachim Seelig
- Applicant Address: DE Frankfurt
- Assignee: Zimmer Aktiengesellschaft
- Current Assignee: Zimmer Aktiengesellschaft
- Current Assignee Address: DE Frankfurt
- Agency: Michael Best & Friedrich LLP
- Priority: DE10333539 20030723
- Main IPC: C07D201/12
- IPC: C07D201/12
Abstract:
The invention relates to a method for the continuous production of caprolactam from waste containing polyamide, comprising a) depolymerisation of the waste containing polyamide, whereby a caprolactam raw material and, where applicable, a flow containing secondary constituents or additives is obtained, and b) irradiation of the caprolactam raw material with UV radiation.
Public/Granted literature
- US20050056532A1 Method for purifying caprolactam from waste containing polyamide using UV radiation Public/Granted day:2005-03-17
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