| 发明名称 |
A SYNERGISTIC SOLVENT COMPOSITION FOR WASHING HIGH MOLECULAR SUBSTANCES STUCK ON THE INTERIOR OF A PRODUCTION APPARATUS OR MOLDING APPARATUS |
| 摘要 |
<p>Method of adding water and a hydroxide of an alkali metal or alkaline earth metal to a washing solvent such as an alkylamide and/or alkylsulfoxide when washing and removing high molecular substances stuck on the interior of a production apparatus or molding machine for an aromatic vinyl-acrylonitrile copolymer. A method for regenerating and recovering the washing solvent used for the above-mentioned washing and removal by means of an evaporator and distillation tower.</p> |
| 申请公布号 |
IN158315(B) |
申请公布日期 |
1986.10.18 |
| 申请号 |
IN1982CA68719 |
申请日期 |
1982.06.15 |
| 申请人 |
MITSUI TOATSU CHEMICALS INCORPORATED AND TOYO ENGINEERING CORPORATION |
发明人 |
KANEKO MASAHIRO;ASUNUMA TADASHI;UCHIKAWA NOBUTAKA;FUJIO ICHIRO;SHIOMURA TETSUNOSUKE |
| 分类号 |
B01J19/00;C08J11/02;C11D7/06;C11D7/32;C11D7/34;C11D7/50;(IPC1-7):B01D11/00 |
主分类号 |
B01J19/00 |
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