- 专利标题: Recycling of flexible foam
-
申请号: US206562申请日: 1994-03-03
-
公开(公告)号: US5605935A公开(公告)日: 1997-02-25
- 发明人: Giovanni Parrinello , David Thorpe , Gabriel Verhelst , Julian F. G. Hopper , Mireille B. A. De Witte
- 申请人: Giovanni Parrinello , David Thorpe , Gabriel Verhelst , Julian F. G. Hopper , Mireille B. A. De Witte
- 申请人地址: GB2 London
- 专利权人: Imperial Chemical Industries
- 当前专利权人: Imperial Chemical Industries
- 当前专利权人地址: GB2 London
- 优先权: GBX9320874 19931011
- 主分类号: C08G18/00
- IPC分类号: C08G18/00 ; C08G18/08 ; C08G18/10 ; C08G18/48 ; C08G18/66 ; C08G65/00 ; C08G65/26 ; C08G65/30 ; C08G65/32 ; C08J11/24 ; C08L71/02 ; C08J11/04
摘要:
Process for recycling flexible foams by glycolysis and extraction. The glycolysis is conducted by allowing the foam to react with low molecular weight polyols, then allowing the mixture to separate in two phases.
公开/授权文献
- US4365023A Method for manufacturing block copolymer 公开/授权日:1982-12-21