| 发明名称 |
Fluoropolymer compositions with improved gas impermeability |
| 摘要 |
A composition of tetrafluoroethylene/perfluoro(alkyl vinyl ether) having at least 4 wt % perfluoro(alkyl vinyl ether) and a melt flow rate of no greater than 4 g/10 min, and 5 to 30 wt % low molecular weight PTFE, has improved gas impermeability and also mechanical strength.
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| 申请公布号 |
US6649699(B2) |
申请公布日期 |
2003.11.18 |
| 申请号 |
US20010993172 |
申请日期 |
2001.11.16 |
| 申请人 |
DUPONT MITSUI FLUOROCHEMICALS |
发明人 |
NAMURA SHINICHI |
| 分类号 |
C08F214/26;C08L27/18;(IPC1-7):C08L27/12 |
主分类号 |
C08F214/26 |
| 代理机构 |
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