发明授权
- 专利标题: High-resilient polyurethane foams produced from polyether polyols
- 专利标题(中): 由聚醚多元醇生产的高弹性聚氨酯泡沫
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申请号: US10018332申请日: 2000-06-06
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公开(公告)号: US06858655B1公开(公告)日: 2005-02-22
- 发明人: Jörg Hofmann , Pramod Gupta , Manfred Dietrich , Hansjürgen Rabe , Jürgen Grönen , Pieter Ooms
- 申请人: Jörg Hofmann , Pramod Gupta , Manfred Dietrich , Hansjürgen Rabe , Jürgen Grönen , Pieter Ooms
- 申请人地址: DE Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DE Leverkusen
- 代理商 Joseph C. Gil; Lyndanne M. Whalen
- 优先权: DE19928156 19990619
- 国际申请: PCTEP00/05167 WO 20000606
- 国际公布: WO0078837 WO 20001228
- 主分类号: C08G18/48
- IPC分类号: C08G18/48 ; C08G65/26 ; C08G101/00 ; C08G18/28
摘要:
Flexible polyurethane foams are produced from a polyisocyanate and a polyether polyol which has been alkoxylated in the presence of a double metal cyanide catalyst and that has at least one ethylene oxide-propylene oxide mixed block.
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