Figure 4. Reflectance vs. hυ (photon energy) for 2-acrylamido-2-methyl propane sulfonic acid (AMPS)/HEMA hydrogel at different composition ratios: A) 80: 20 HEMA/ AMPS, B) 50: 50 HEMA/ AMPS, C) 20: 80 HEMA/ AMPS

From

Investigation of Optical and Electrical Properties of 2-acrylamido-2-methyl Propane Sulfonic Acid/2-Hydroxy Ethyl Methacrylate (AMPS/HEMA) Hydrogel Prepared by Gamma Irradiation

Hamza A. Ghulman

American Journal of Materials Science and Engineering. 2018, 6(2), 31-36 doi:10.12691/ajmse-6-2-2