Shoe press belt
US10036120B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2017 |
| Grant date | Jul 31, 2018 |
| Priority date | — |
| Expiry date | Jan 25, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/4858
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
There is provided a shoe press belt for a papermaking machine, comprising one or more resin layers. At least a part of the resin layers comprises a polyurethane resin comprising polymeric MIDI as an ingredient. The polyurethane resin may be a resin obtainable by reacting one or more curing agent(s) having an active hydrogen group, polymeric MDI and one or more urethane prepolymer(s) having a terminal isocyanate group, the urethane prepolymer(s) being obtainable by reacting one or more isocyanate compound(s) with one or more polyol(s).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.