Electroconductive polyurethane foam
US5656344A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 1994 |
| Grant date | Aug 12, 1997 |
| Priority date | — |
| Expiry date | Mar 3, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31609
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The electroconductive polyurethane foam according to the present invention is obtained by adding and dispersing, in the composition constituting polyurethane foam, a substance with electron conduction mechanism, and a substance with ionic conduction mechanism and mechanically agitating the resultant mixture in the presence of inert gas. The substance with ionic conduction mechanism is an antistatic agent selected from cationic surfactant, anionic surfactant, ampholytic surfactant, and non-ionic surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.