发明授权
- 专利标题: Polyol preparation
- 专利标题(中): 多元醇制剂
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申请号: US21517申请日: 1979-03-19
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公开(公告)号: US4228310A公开(公告)日: 1980-10-14
- 发明人: George P. Speranza , Robert L. Zimmerman , Thomas H. Austin
- 申请人: George P. Speranza , Robert L. Zimmerman , Thomas H. Austin
- 申请人地址: NY White Plains
- 专利权人: Texaco Development Corp.
- 当前专利权人: Texaco Development Corp.
- 当前专利权人地址: NY White Plains
- 主分类号: C07C41/03
- IPC分类号: C07C41/03 ; C08G18/18 ; C08G18/20 ; C08G65/26 ; C08G65/28 ; C07C43/11 ; C07C41/02
摘要:
Covers a method of preparing polyether polyols useful in making a polyisocyanurate polymer by oxyalkylating an alcohol by the catalytic addition of an alkylene oxide to said alcohol in presence of a catalyst selected from the group consisting of carbamate salts, aminophenols, hexahydro-s-triazines and tetrahydrooxadiazines.
公开/授权文献
- US4706974A Roller skate 公开/授权日:1987-11-17