| 发明名称 |
PROCESS FOR PRODUCTION OF PHENOLIC RESIN |
| 摘要 |
<p>Title of the Invention PROCESS FOR PRODUCTION OF PHENOLIC RESIN A process for producing a phenolic resin comprising condensing a phenol component and an aldehyde component, characterized in that the phenol component comprises (highmolecular-weight phenolic compounds which are left after bisphenol A-containing by-products formed in the production of bisphenol A by condensing acetone and phenol in the presence of an acid catalyst are treated at a high temperature of at least 150.degree.C in the presence of an alkaline catalyst to remove low-boiling components therefrom.</p> |
| 申请公布号 |
CA1189235(A) |
申请公布日期 |
1985.06.18 |
| 申请号 |
CA19810370858 |
申请日期 |
1981.02.13 |
| 申请人 |
MITSUI TOATSU CHEMICALS, INC. |
发明人 |
SHIMIZU, YOSHIRO;ITAKURA, TOSHIO;IWASA, MITSUHIRO;HANAUYE, KUNIO |
| 分类号 |
C08G8/20;(IPC1-7):C08G8/20 |
主分类号 |
C08G8/20 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
