Composition for preparing polyimide-inorganic composite material, and article prepared by using same
US10316155B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 18, 2015 |
| Grant date | Jun 11, 2019 |
| Priority date | — |
| Expiry date | Jan 14, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2379/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition for preparing a polyimide-inorganic composite material including: a polyamic acid represented by Chemical Formula 1, a polyimide represented by Chemical Formula 2, or a combination thereof; an inorganic particle precursor; and water, wherein the polyamic acid, the polyimide, or the combination thereof is a reaction product of a dicarboxylic acid anhydride and a diamine, wherein the mole ratio of the diamine to the dicarboxylic acid anhydride is greater than 0.93 and less than 0.95, and wherein the inorganic particle precursor is included in an amount to provide an inorganic particle in an amount of greater than or equal to about 30 weight % and less than or equal to about 60 weight % based the total weight of the polyimide-inorganic composite material prepared:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.