Polyurethane biasable transfer members having improved moisture stability
US5541001A · kind A · utility
8Cited by
13References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1994 |
| Grant date | Jul 30, 1996 |
| Priority date | — |
| Expiry date | Jun 30, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention provides rolls, belts and other biasable members having at least one layer or coating of an elastomeric resilient polyurethane. The polyurethane is formed by reacting: PA1 (a) a polyisocyanate prepolymer;and PA1 (b) a hardening mixture comprising: PA2 (i) a polyol and PA2 (ii) as a conductivity control agent an ammonium tetrahaloferrate salt of the formula ##STR1## The R substituents are defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.