发明授权
- 专利标题: Polyethers stabilized with 6-chromanol derivatives
- 专利标题(中): 聚六氟乙烯稳定剂与6-氯丙醇衍生物
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申请号: US949614申请日: 1992-09-23
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公开(公告)号: US5218008A公开(公告)日: 1993-06-08
- 发明人: Donald B. Parrish
- 申请人: Donald B. Parrish
- 申请人地址: MI Midland
- 专利权人: The Dow Chemical Company
- 当前专利权人: The Dow Chemical Company
- 当前专利权人地址: MI Midland
- 主分类号: C08G18/48
- IPC分类号: C08G18/48 ; C08K5/13 ; C08K5/1545 ; C08K5/17 ; C08L71/00
摘要:
6-chromanol derivatives are used as antioxidants in polyethers. These, particularly in conjunction with other antioxidants, provide excellent protection against oxidation at very low levels of use. They are particularly useful in polyethers for preparing polyurethane slabstock foam.
公开/授权文献
- US5913678A Arrangement for sealing combustion-chamber bricks 公开/授权日:1999-06-22
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