Photocurable composition and cured product
US10494507B2 · kind B2 · utility
0Cited by
4References
6Claims
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Key dates
| Filing date | May 13, 2016 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | May 13, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/5419
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A photocurable composition comprising (a) a cyano-containing silsesquioxane, (b) a cyano-containing ethylenically unsaturated monofunctional monomer, (c) an ethylenically unsaturated polyfunctional monomer, and (d) a photo-polymerization initiator has a long shelf life under light-shielded conditions. A cured product obtained by curing the photocurable composition is a polymeric material which is transparent and lightweight and has a high dielectric constant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.