2 publications

• Published Subscription 10 Jul 2018

  A Study on Radiation Effects in Acrylonitrile-AMPS Copolymer

  By D. Suresh, B. Sanjeeva Rao, S. Kalahasthi, B. Chamdramouli, V. Ashok Babu

  Abstract: Radiation behavior of Acrylonitrile AMPS copolymer has been investigated by Electron Spin Resonance (ESR), Fourier Transform Infrared (FTIR) techniques. Temperature dependent ESR studies indicate that free radicals responsible for irradiated copolymer decay at around 100°C. Presence of macro-radicals and polyene radicals is detected. FTIR spectra of copolymer of unirradiated and irradiated are compared and chemical groups influenced by gamma irradiation are identified. The studies suggest that chain cleavage occur either …

  Published in Research & Reviews : Journal of Physics · Vol. 7, Issue 2, 2018 · pp. 62–71 Read article →

• Published Subscription 7 Apr 2018

  A Study on Characterization of AA-AMPS-Pb Composite by Spectroscopic and Thermal Methods

  By K Rajendra Prasad, Ch. Srinivas, V. Ashok Babu, B. Sanjeeva Rao, S Kalahasti

  Abstract: Spectroscopic and thermal properties of Acrylamide-acrylamide 2- methyl propane sulphonic acid (AA-AMPS) copolymer have been investigated by spectrophotometric, Fourier transform infrared (FTIR), differential scanning calorimetry (DSC) and scanning electron microscope (SEM) techniques. The UV absorption studies indicate the presence of lead nano particles and FTIR results suggest that complexation has been taken place between reactive groups of copolymer and lead ion. Due to the presence of lead nano particles thermal …

  Published in Research & Reviews : Journal of Physics · Vol. 7, Issue 1, 2018 · pp. 5–11 Read article →