Research Article
Studies on Development of Polymeric Materials Using Gamma Irradiation for Contact and Intraocular Lenses
Table 5
Properties of polymers obtained with HEMA : Styrene by varying ratios.
| | Composition HEMA : Styrene | Shore-D hardness | Transmittance (%) | Refractive index | Appearance |
| | 80 | 90 | 1.453 | Transparent, clear & hard | | 80 | 90 | 1.460 | Transparent, clear & hard | | 80 | 90 | 1.470 | Transparent, clear & hard | | 80 | 90 | 1.480 | Transparent, clear & hard | | 80 | 90 | 1.490 | Transparent, clear & hard | | 80 | 90 | 1.500 | Transparent, clear & hard | | 80 | 0 | 1.506 | Transparent, clear & hard | | 80 | 0 | Not measurable | Opaque & hard | | 80 | 0 | Not measurable | Opaque & hard | | 80 | 0 | Not measurable | Opaque & hard | | N.A* | N.A* | N.A* | Transparent liquid |
|
|
Not polymerized by gamma radiation
|
