| 发明名称 |
Solutions of perfluorinated polymers in SF6 with or without CO2 |
| 摘要 |
Perfluorinated polymers are dissolved in supercritical carbon dioxide and/or sulfur hexafluoride at elevated temperatures and pressures. The solutions are useful for making foams, spun-bonded or paper-like webs, or for purification of polymers.
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| 申请公布号 |
US5696195(A) |
申请公布日期 |
1997.12.09 |
| 申请号 |
US19960657294 |
申请日期 |
1996.06.04 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY;JOHNS HOPKINS UNIVERSITY |
发明人 |
TUMINELLO, WILLIAM HOWARD;MCHUGH, MARK A.;MERTDOGAN, CYNTHIA ASLI |
| 分类号 |
C08J3/02;D01F6/12;(IPC1-7):C08K3/30 |
主分类号 |
C08J3/02 |
| 代理机构 |
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