Photocurable composition for three-dimensional stereolithography and three-dimensional object
US11554539B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 28, 2017 |
| Grant date | Jan 17, 2023 |
| Priority date | — |
| Expiry date | Aug 13, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/2012
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photocurable composition for three-dimensional stereolithography which has a lower viscosity and from which a cured product having a high refractive index is obtained, and a three-dimensional object formed by using the composition. The composition is a photocurable composition for three-dimensional stereolithography containing a fluorene monomer, a carbazole monomer, a diluent monomer, and a photopolymerization initiator, the carbazole monomer being contained in an amount of less than 30 wt % with respect to the total amount of the fluorene monomer and the carbazole monomer, and the diluent monomer being contained in an amount of at least 20 wt % with respect to total solids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.