| 发明名称 |
FREMGANGSMAATE FOR RENSING AV REAKTORER FOR POLYMERISERING OG COPOLYMERISERING AV VINYLKLORID |
| 摘要 |
<p>Polymeric deposits formed on internal surfaces of the reactors during polymerization or copolymerization of vinyl chloride are removed by dissolving them at a temperature above 60 DEG C with a solvent mixture comprising from 0 to 7% by weight of water, the remainder consisting of toluene and dimethylformamide in a weight ratio of toluene to dimethylformamide of from 50:50 to 90:10.</p> |
| 申请公布号 |
NO141212(C) |
申请公布日期 |
1980.01.30 |
| 申请号 |
NO19750003073 |
申请日期 |
1975.09.09 |
| 申请人 |
SOC IT RESINE S.I.R. S.P.A., |
发明人 |
TESTA, FRANCESCO,;BIGLIANI, ANTONIO, |
| 分类号 |
C08F14/00;B08B3/08;C08F6/00;C08F6/06;C08J11/08;C11D7/50;(IPC1-7):08J11/04;08F14/06;08J3/08 |
主分类号 |
C08F14/00 |
| 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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