Items where Author is "Ramani, R."

Urs, M. V. Deepa and Ranganathaiah, C. and Ramani, R. and Lal, Babu and Alam, Sarfaraz (2006) Diffusion of seawater in unsaturated polyester resin and its glass fiber reinforced composites in the presence of titanium dioxide as UV absorber. Journal of Applied Polymer Science, 102 (3). pp. 2784-2794. ISSN 1097-4628

Ramani, R. and Parihar, J. K. S. and Ranganathaiah, C. and Awasthi, P. and Alam, S. and Mathur, G. N. (2005) Free volume study on calcification process in an intraocular lens after cataract surgery. Journal of Biomedical Materials Research Part B: Applied Biomaterials, 75B (1). pp. 221-227. ISSN 1552-4981

Ashalatha, M. B. and Sathyanarayana, P. M. and Shariff, G. and Thimmegowda, M. C. and Ramani, R. and Ranganathaiah, C. (2004) Structural relaxation in polyethylene in the presence of silver oxide investigated by positron-lifetime spectroscopy. APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 78 (4). pp. 565-573. ISSN 0947-8396

Ramani, R. and Shariff, G. and Thimmegowda, M. C. and Sathyanarayana, P. M. and Ashalatha, M. B. and Balraj, A. and Ranganathaiah, C. (2003) Influence of gamma irradiation on the formation of methanol induced micro-cracks in polycarbonate. Journal of Materials Science, 38 (7). pp. 1431-1438. ISSN 1573-4803

Shariff, G. and Sathyanarayana, P. M. and Thimmegowda, M. C. and Ashalatha, M. B. and Ramani, R. and Avasthi, D. K. and Ranganathaiah, C. (2002) Influence of ion-irradiation on the free volume controlled diffusion process in polycarbonate—a positron lifetime study. Polymer, 43 (9). 2819 - 2826. ISSN 0032-3861

Ranganathaiah, C. and Ramani, R. and Ramachandra, P. (2002) Influence of vinylidenefluoride on the physical ageing of poly(chlorotrifluoroethylene). European Polymer Journal, 38 (11). 2285 - 2294. ISSN 1873-1945

Shariff, Gani and Sathyanarayana, P. M. and Thimmegowda, M. C. and Ashalatha, M. B. and Ramani, R. and Ranganathaiah, C. (2002) Positron lifetime study of diffusion kinetics in electron irradiated polycarbonate. Polymer Degradation and Stability, 76 (2). 265 - 273. ISSN 1873-2321

Sathyanarayana, P. M. and Shariff, Gani and Thimmegowda, M. C. and Ashalatha, M. B. and Ramani, R. and Ranganathaiah, C. (2002) Structural relaxation in poly(ethylene terephthalate) studied by positron annihilation lifetime spectroscopy. Polymer International, 51 (9). pp. 765-771. ISSN 1097-0126

Thimmegowda, M. C. and Sathyanarayana, P. M. and Shariff, Gani and Ashalatha, M. B. and Ramani, R. and Ranganathaiah, C. (2002) Water sorption studies in a RGP contact lens polymer paraperm by positron lifetime technique. Physica Status Solidi a Applied Research, 193 (2). pp. 257-270. ISSN 0031-8965

Thimmegowda, M. C. and Sathyanarayana, P. M. and Shariff, Gani and Ashalatha, M. B. and Ramani, R. and Ranganathaiah, C. (2002) A free volume microprobe study of water sorption in a contact lens polymer. Journal of Biomaterials Science, 13 (12). pp. 1295-1311. ISSN 1568-5624

Sathyanarayana, P. M. and Shariff, Gani and Thimmegowda, M. C. and Ashalatha, M. B. and Ramani, R. and Ranganathaiah, C. (2002) A positron lifetime study of structural relaxation in UV irradiated poly (ethylene terephthalate). Polymer Degradation and Stability, 78 (3). 449 - 458. ISSN 1873-2321

Ramani, R. and Ranganathaiah, C. (2001) Free-volume microprobe study of iodine diffusion in polymers. Polymer International, 50 (2). pp. 237-248. ISSN 237-248

Ramani, R. and Ranganathaiah, C. (2000) Degradation of acrylonitrile-butadiene-styrene and polycarbonate by UV irradiation. Polymer Degradation and Stability, 69 (3). pp. 347-354.

Ramachandra, P. and Ramani, R. and Ramgopal, G. and Shariff, G. and Thimmegowda, M. C. and Sathyanarayana, P. M. and Ranganathaiah, C. (1999) The influence of vinylidenefluoride on the free volume of poly(chlorotrifluoroethylene). Polymer, 40 (21). pp. 5961-5965.

Ramgopal, G. and Ramani, R. and Ramachandra, P. and Shariff, G. and Thimmegowda, M.C. and Ranganathaiah, C. (1999) A positron annihilation study of the tensile behaviour of bivoltine silk fibers. European Polymer Journal, 35 (6). pp. 1107-1113.

Ramachandra, P. and Ramani, R. and Ramgopal, G. and Shariff, G. and Thimmegowda, M.C. and Sathyanarayana, P.M. and Ranganathaiah, C. (1999) Influence of strain on the thermal behaviour of poly(chlorotrifluoroethylene). Polymer International, 48 (1). pp. 33-40.

Ramachandra, P. and Ramani, R. and Ramgopal, G. and Shariff, G. and Thimmegowda, M. C. and Sathyanarayana, P. M. and Ranganathaiah, C. (1999) Influence of strain on the thermal behaviour of poly(chlorotrifluoroethylene). Polymer International, 48 (1). pp. 33-40. ISSN 0959-8103

Ramani, R. and Ramachandra, P. and Ramgopal, G. and Ranganathaiah, C. (1998) Positron annihilation study of iodine sorption in acrylonitrile-butadiene-styrene. Journal of Applied Polymer Science, 68 (13). pp. 2077-2085.

Ramgopal, G. and Ramani, R. and Ramachandra, P. and Ranganathaiah, C. (1998) UV degradation of bivoltine silk fiber: A positron annihilation study. European Polymer Journal, 34 (10). pp. 1423-1427. (In Press)

Ramachandra, P. and Ramani, R. and Ramgopal, G. and Ranganathaiah, C. and Murthy, N.S. (1998) Effect of stress on the free volume content of poly(chlorotrifluoroethylene). Polymer, 39 (13). pp. 2987-2990.

Ramgopal, G. and Ramani, R. and Ramachandra, P. and Ranganathaiah, C. (1998) Structural modifications in bivoltine silk fiber under thermal treatment. Journal of Applied Polymer Science, 63 (3). pp. 395-400.

Ramachandra, P. and Ramani, R. and Ramgopal, G. and Ranganathaiah, C. (1997) Physical ageing of poly(chlorotrifluoroethylene): A positron annihilation study. European Polymer Journal, 33 (10-12). pp. 1707-1711.

Ramani, R. and Ramachandra, P. and Ramgopal, G. and Ranganathaiah, C. (1997) Transport of iodine in poly(ethyleneterephthalate). European Polymer Journal, 33 (10-12). pp. 1753-1758.

Ramani, R. and Raganathaiah, C. (1997) Effect of iodine sorption on the free volume of polycarbonate. Applied Physics A-Materials Science & Processing, 64 (2). pp. 161-165.

Ramachandra, P. and Ramani, R. and Ravichandran, T. S. G. and Ramgopal, G. and Shubha Gopal and Ranganathaiah, C. and Murthy, N. S. (1996) Free volume study of poly(chlorotrifluoroethylene) using positron annihilation spectroscopy as a microanalytical tool. Polymer, 37 (15). pp. 3233-3239.

Ramani, R. and Ramachandra, P. and Ramgopal, G. and Ravichandran, T. S. G. and Ranganathaiah, C. and Shubha Gopal (1996) Correlation between electron density and momentum in free volume holes of some semicrystalline polymers. Physica Status Solidi A-Applied Research, 158 (1). pp. 3-8.

Ramani, R. and Ramachandra, P. and Ravichandran, T. S. G. and Ramagopal, G. and Gopal, S. and Ranganathaiah, C. (1995) Microstructure of polycarbonate seen by positrons as an in-situ probe. Applied Physics A-Materials Science & Processing, 60 (5). pp. 481-486.

Ravindrachary, V. and Ramani, R. and Ranganathaiah, C. and Gopal, S. (1994) Free-Volume Related Structural-Changes in the Epoxy Polymer Tgddm. International Journal of Modern Physics B, 8 (13). pp. 1699-1711.