Method and apparatus for glow discharge plasma treatment of polymer materials at atmospheric pressure
US5403453A · kind A · utility
89Cited by
0References
12Claims
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Key dates
| Filing date | Oct 29, 1993 |
| Grant date | Apr 4, 1995 |
| Priority date | — |
| Expiry date | Oct 29, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2237/336
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Polymer materials such as film and fabrics, woven, non-woven and meltblown, may be non-destructively surface treated to improve water wettability, wickability, and other characteristics by exposure to a glow discharge plasma sustained at substantially atmospheric pressure in air or modified gas atmospheres comprising helium or argon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.