| 发明名称 |
PROCESSO PARA PRODUCAO DE UMA DISPRESSAO AQUOSA DE UM POLIISOCIANATO AROMATICO BLOQUEADO COM UM COMPOSTO FENOLICO |
| 摘要 |
Aqueous dispersions of aromatic polyisocyanates blocked with phenolic compounds are prepared by mixing the polyisocyanate and an aqueous solution containing an excess of the phenolic compound in the presence of a basic catalyst at a temperature above the melting point of the polyisocyanate. |
| 申请公布号 |
BR7607847(A) |
申请公布日期 |
1977.10.25 |
| 申请号 |
BR19767607847 |
申请日期 |
1976.11.23 |
| 申请人 |
E I DU PONT DE NEMOURS AND CO |
发明人 |
AUFDERMARSH C |
| 分类号 |
B32B25/00;B01J23/00;B01J31/00;B29C55/00;B29C65/00;B29C65/70;C07B61/00;C07C67/00;C07C239/00;C07C265/12;C07C269/02;C07C271/06;C08G18/80;C08J5/04;C08L75/04;C09J175/00;(IPC1-7):C07C119/048;C07G17/00 |
主分类号 |
B32B25/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
