Author
S. Radhakrishnan
Bio: S. Radhakrishnan is an academic researcher from National Chemical Laboratory. The author has contributed to research in topics: Conductive polymer & Crystallization. The author has an hindex of 3, co-authored 3 publications receiving 66 citations.
Papers
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TL;DR: In this article, the crystallization of polyethylene oxide/polymethyl methacrylate (PEO/PMMA) blends was investigated with respect to composition and different casting solvents.
38 citations
TL;DR: In this paper, solid state polycondensation (SSP) crystallizes polycarbonate in an orthorhombic configuration with a = 12.1 A, b = 10.5 A and c = 22.0 A.
19 citations
TL;DR: In this paper, the electrical properties of poly(ethylene oxide) gels incorporated with CuCl 2 and polypyrrole were investigated with respect to temperature, concentration of CuCl2 and the degree of crosslinking.
11 citations
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TL;DR: In this paper, a poly(bisphenol A carbonate) was synthesized by solid-state polymerization (SSP) using supercritical CO2 to induce crystallinity in low molecular weight polycarbonate beads.
Abstract: Poly(bisphenol A carbonate) was synthesized by solid-state polymerization (SSP) using supercritical CO2 to induce crystallinity in low molecular weight polycarbonate beads. The CO2-induced crystallization was studied as a function of time, temperature, molecular weight, and pressure. There was an optimum temperature for crystallization which depended on the molecular weight of the polymer. The molecular weight and percent crystallinity of the polymer produced by SSP were determined as a function of time and radial position in the bead. The molecular weight and percent crystallinity were strong functions of the particle radius, probably because of the slow diffusion of phenol out of the polymer particles. Nitrogen and supercritical CO2 were used as sweep fluids for the SSP process. The polymerization rate was always higher in supercritical CO2 at otherwise comparable conditions. We hypothesize that supercritical CO2 plasticizes the amorphous regions of the polymer, thereby increasing chain mobility and the...
97 citations
TL;DR: These novel blends showed cell adhesion and proliferation comparable to PLAGA, however, the PNEA(50)PhPh( 50) component in the blends was able to increase the phenotypic expression and mineralized matrix synthesis of the primary rat osteoblasts in vitro.
91 citations
TL;DR: The effect of single and mixed solvent on the crystallization behavior of the PVDF/PMMA blend from solutions was investigated in this paper, which revealed an enormous dependence on the DMF content.
79 citations
TL;DR: In this paper, the authors present a review of the literature on in situ polymerization of pyrrole within another polymer matrix, which may be accomplished using either electrochemical or chemical oxidative polymerization.
Abstract: Electrically conductive polymer blends can be prepared by in situ polymerization of pyrrole within another polymer matrix. This may be accomplished using either electrochemical or chemical oxidative polymerization. This paper reviews the literature on this subject.
66 citations
TL;DR: In this article, an improved electrospinning technique was used to produce poly(ethylene oxide) (PEO) and PEO-multi-walled carbon nanotube (MWCNT) hybrid nanofibers.
63 citations