| 发明名称 |
PROCEDE DE TRAITEMENT DE POLYISOCYANATE, PRODUIT OBTENU, ET UTILISATION DE CE PRODUIT POUR LA FABRICATION D'OLIGO- OU DE POLY-MERES, ET REVETEMENTS AINSI OBTENUS |
| 摘要 |
The invention discloses a product useful as monomer. This product is characterised in that when it is subjected to the action of an amount of phosphine of 0.005 mol per isocyanate function equivalent for one and a half hours at a temperature of 40 to 60 DEG C, it develops staining of less than 50 Hazen units, advantageously 30 Hazen units. The invention is useful in organic synthesis. |
| 申请公布号 |
FR2749302(A1) |
申请公布日期 |
1997.12.05 |
| 申请号 |
FR19960006713 |
申请日期 |
1996.05.31 |
| 申请人 |
RHONE POULENC CHIMIE |
发明人 |
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| 分类号 |
C07C263/18;C08G18/70;C08G18/79;(IPC1-7):C07C265/02;C09D175/04;C08G18/73;C07C263/20 |
主分类号 |
C07C263/18 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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