Composition comprising polymer and inorganic particles, polyimide-inorganic particles composite, article including the composite, and optical device including the article
US11161980B2 · kind B2 · utility
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Key dates
| Filing date | Jul 12, 2019 |
| Grant date | Nov 2, 2021 |
| Priority date | — |
| Expiry date | Apr 28, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2203/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition including a polymer including at least one of an amic acid structural unit and an imide structural unit, inorganic particles, and a compound represented by Chemical Formula 1, a polymer-inorganic particle composite prepared from the composition, an article, and an optical device including the article:In Chemical Formula 1, R1 is a linear or branched, substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C3 to C10 cycloalkyl group, a substituted or unsubstituted C6 to C30 aryl group, or a combination thereof, and n is an integer of 1 or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.