| 发明名称 |
Polyalkylene carbonates as processing aids for polyvinyl chloride |
| 摘要 |
This invention relates to a polyvinyl chloride composition having blended therein from about 5-60% of a polyalkylene carbonate formed by reacting an alkylene oxide and carbon dioxide. The polyalkylene carbonate is added to improve the melt flow indices and oxygen barrier characteristics of the polyvinyl chloride.
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| 申请公布号 |
US4137280(A) |
申请公布日期 |
1979.01.30 |
| 申请号 |
US19780897627 |
申请日期 |
1978.04.19 |
| 申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
DIXON, DALE D.;FORD, MICHAEL E. |
| 分类号 |
C08L27/06;C08L69/00;(IPC1-7):C08L69/00 |
主分类号 |
C08L27/06 |
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