| 发明名称 |
Lengthened difunctional perfluoropolyether oils and rubbers prepared therewith |
| 摘要 |
The invention relates to a difunctional perfluoropolyether oil, prepared by reacting a perfluoropolyether diol oil having a weight average molecular weight (Mw) of 1500 to 3000 with a chain lengthener selected from the group consisting of diacid chlorides and difunctional diisocyanates, and to perfluoropolyether rubbers prepared from these chain-lengthened oils.
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| 申请公布号 |
US5677406(A) |
申请公布日期 |
1997.10.14 |
| 申请号 |
US19960734952 |
申请日期 |
1996.10.23 |
| 申请人 |
OCE-NEDERLAND, B.V. |
发明人 |
TAZELAAR, FRANS W.;MARKIES, PETER R.;VAN DEN REEK, JOHANNES A.;VAN DER STAPPEN, CORNELIUS J.M. |
| 分类号 |
C08G65/48;C08G18/50;C08G18/81;C08G63/672;C08G63/682;C08G65/00;C08G65/32;C08G65/332;C08G65/333;G03G15/01;G03G15/16;(IPC1-7):C08F226/02;C08F216/12;C08F214/18;C08F230/08;C07C43/17 |
主分类号 |
C08G65/48 |
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