Photocurable composition for producing cured articles having high clarity and improved mechanical properties
US7820275B2 · kind B2 · utility
1Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2004 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Dec 28, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24942
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A photocurable composition comprising: (a) a cationically curable component preferably formed from one or more epoxy compound(s), (b) an acrylate component having no or a low amount of hydroxy groups preferably dipentaerythritol hexaacrylate, (c) a polyol component, preferably a polyether polyol, (d) a cationic photoinitiator; and (e) a free radical photoinitiator. The composition may produce when cured three-dimensional articles with high clarity and improved mechanical properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.