Abstract
Intraocular lens (IOL) made on Polymethylmethacrylate (PMMA) has been irradiated by a UV lamp at different exposure times, in air and at room temperature. The macromolecular modifications induced in the lens have been investigated using attenuated total reflectance (ATR) coupled to Fourier transform infrared (FT-IR) spectroscopy and Optical spectroscopy. Particular attention was devoted to the study of chemical modifications by UV irradiation, which induced chain scissions in the superficial PMMA layers. Results demonstrated that the lens transmission to the visible radiation is not particularly reduced by a long exposition to UV radiation at a fluence of 200 mJ/cm2, up to 19 h.
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© 2024 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Review Articles
- Probing the microstructural properties of metal-reinforced polymer composites
- Advancements in chemical modifications using NaOH to explore the chemical, mechanical and thermal properties of natural fiber polymer composites (NFPC)
- Research Articles
- The effect of clay reinforcement of pine pollen grains on the mechanical, anti-corrosion and anti-microbial properties of an epoxy coating
- Influence of stacking sequence and nano-silica fortification on the physical properties of veli karuvelam – peepal hybrid natural composites
- An experimental validation of diffusion-based devolatilization models in extruders using post-industrial and post-consumer plastic waste
- Impact of filler type and proportion on the performance of rubberized coconut fiber-polystyrene composites
- Evaluation of the processing conditions on the production of expanded or plasticized wood plastic composite with cashew nutshell powder
- Irradiation of PMMA intraocular lenses by a 365 nm UV lamp
- Design and simulation analysis of an extrusion structure based on screw extrusion 3D printing
Artikel in diesem Heft
- Frontmatter
- Review Articles
- Probing the microstructural properties of metal-reinforced polymer composites
- Advancements in chemical modifications using NaOH to explore the chemical, mechanical and thermal properties of natural fiber polymer composites (NFPC)
- Research Articles
- The effect of clay reinforcement of pine pollen grains on the mechanical, anti-corrosion and anti-microbial properties of an epoxy coating
- Influence of stacking sequence and nano-silica fortification on the physical properties of veli karuvelam – peepal hybrid natural composites
- An experimental validation of diffusion-based devolatilization models in extruders using post-industrial and post-consumer plastic waste
- Impact of filler type and proportion on the performance of rubberized coconut fiber-polystyrene composites
- Evaluation of the processing conditions on the production of expanded or plasticized wood plastic composite with cashew nutshell powder
- Irradiation of PMMA intraocular lenses by a 365 nm UV lamp
- Design and simulation analysis of an extrusion structure based on screw extrusion 3D printing