| 发明名称 |
Process for the purification of polyvinyl chloride with oxidizing agents |
| 摘要 |
The discoloration of polyvinyl chloride that usually occurs when a slurry containing this polymer is heated at a temperature above 70 DEG C. to reduce its monomer content to less than 10 ppm is minimized or prevented by carrying out the heating step in the presence of an oxidizing agent.
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| 申请公布号 |
US4220754(A) |
申请公布日期 |
1980.09.02 |
| 申请号 |
US19760690202 |
申请日期 |
1976.05.25 |
| 申请人 |
TENNECO CHEMICALS INC |
发明人 |
FELDMAN, MARTIN L |
| 分类号 |
C08F14/00;C08F6/00;C08F6/06;(IPC1-7):C08F6/24;C08F6/14;C08F8/06 |
主分类号 |
C08F14/00 |
| 代理机构 |
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