Polymerizable composition for optical material and optical material and plastic lens obtained from same composition
US11474280B2 · kind B2 · utility
0Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2018 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | Sep 8, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/022
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The polymerizable composition for an optical material of the present invention includes a compound (A) represented by General Formula (a) and including two or more allyloxycarbonyl groups, at least one kind of radical polymerization initiator (B) selected from the group consisting of a peroxyketal-based radical polymerization initiator, a peroxymonocarbonate-based radical polymerization initiator, and a peroxyester-based radical polymerization initiator, and a modifier (C) selected from a polyether modified siloxane compound represented by General Formula (c1) or a polyol compound represented by General Formula (c2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.