Surface hardner for nylon lens
US4586996A · kind A · utility
74Cited by
1References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1984 |
| Grant date | May 6, 1986 |
| Priority date | — |
| Expiry date | Aug 21, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31739
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A surface hardner for nylon lens comprising (a) a polyfunctional acrylic ester monomer, (b) a photoinitiator, and (c) a diluent, said photoinitiator consisting of a combination of a hydrogen abstraction type photoinitiator and an .alpha.-cleavage type photoinitiator, and optionally a silane compound containing at least one polymerizable unsaturated bond. Said surface hardner is effective for giving the nylon lens excellent impact resistance and wear resistance, and when the silane compound is incorporated, it can give also an excellent adhesion between the hardner layer and nylon lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.