Dispersant having multifunctional head and phosphor paste composition comprising the same
US8277685B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Jun 29, 2011 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Jun 29, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L33/14
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a dispersant having a multifunctional head, and a phosphor paste composition comprising the dispersant. The dispersant has a multifunctional head that comprises an acidic group, a basic group and an aromatic group, thereby enhancing an affinity for the surface of phosphor particles and improving dispersibility.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.