Copper-containing articles
US10745570B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2018 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Feb 6, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/011
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A water-soluble composition includes reducible copper ions or copper nanoparticles complexed with a reactive polymer. The reactive polymer can be crosslinked using suitable irradiation to provide copper-containing water-insoluble complexes. The water-soluble composition can be used to provide various articles and electrically-conductive materials that can be assembled in electronic devices. The reactive polymer has greater than 1 mol % of recurring units comprising sulfonic acid or sulfonate groups, at least 5 mol % of recurring units comprising a pendant group capable of crosslinking via [2+2] photocycloaddition, and optionally at least 1 mol % of recurring units comprising a pendant amide, amine, hydroxyl, lactam, phosphonic acid, or carboxylic acid group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.