| 发明名称 |
SHAPED PRODUCTS OF POLYPROPYLENE |
| 摘要 |
<p>A shaped product made of polypropylene, whereof 2.0 to 90% by weight is soluble and 91 to 98% is insoluble in boiling heptane, and of the insoluble portion at least 0.955 (as measured by <1><3>C nuclear magnetic resonance spectrography, wherein the area of a mmmm peak is measured as a fraction of the total area of the absorption peaks in the methyl carbon region) of the polymer is of isotactic pentad structure. …<??>This product has high film stiffness and resistance to electrically insulating oils and to heat. …<??>The product can be a stretched film or insulating material for electrical equipment.</p> |
| 申请公布号 |
DE2967375(D1) |
申请公布日期 |
1985.03.14 |
| 申请号 |
DE19792967375 |
申请日期 |
1979.12.13 |
| 申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
SHIGA, AKINOBU;MATSUYAMA, KIYOSHI;KAKUGO, MASAHIRO;NAITO, YUKIO;IMA, SEIICHIRO |
| 分类号 |
C08F10/06;C08F110/06;C08F210/06;C08L23/10;C08L23/12;(IPC1-7):C08L23/12;H01B3/00;C08J5/18;H01B3/52 |
主分类号 |
C08F10/06 |
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