发明授权
- 专利标题: Process for the decompostion of polyurethane plastics
- 专利标题(中): 聚氨酯塑料分解工艺
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申请号: US560565申请日: 1995-11-20
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公开(公告)号: US5616623A公开(公告)日: 1997-04-01
- 发明人: Thomas Munzmay , Peter Fuhrmann , Franz Lamla , Walter Meckel , Werner Rasshofer
- 申请人: Thomas Munzmay , Peter Fuhrmann , Franz Lamla , Walter Meckel , Werner Rasshofer
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX4442379.9 19941129
- 主分类号: C08J11/18
- IPC分类号: C08J11/18 ; C08G18/83 ; C08J11/24 ; C08J11/04
摘要:
A process for the decomposition of polyurethane plastic waste materials in which a compound containing at least two isocyanate-reactive hydrogen atoms (e.g., glycol) and polyurethane plastic, together with 2 to 20 times the amount of previously regenerated material, are treated in a mixing and comminution device.
公开/授权文献
- US5070948A Directional rod pusher 公开/授权日:1991-12-10
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