01952nas a2200145   4500008004100000245014100041210006900182260000800251300001600259490000700275520136400282100001901646700001701665856012401682       2008                        eng d00aRandom and AB diblock copolymers of tricyclodecanemethanol urethane methacrylate with styrene: synthesis and morphology characterization0 aRandom and AB diblock copolymers of tricyclodecanemethanol ureth  cDEC  a1278–12880 v463 a<p>A monomer design having a bulky terminal tricyclodecane (TCD) unit linked via hydrogen bondable urethane to an ethyleneoxy methacrylate unit, and capable of generating three-dimensional honeycomb patterns upon solvent casting has been investigated. Random copolymers as well as a diblock copolymer Poly(Sty42-b-TCD18) of this monomer with styrene were prepared by free-radical polymerization route and atom transfer radical polymerization (ATRP) route. Morphology characterization was carried out using scanning electron microscopy (SEM) and transmission electron microscopy (TEM) analysis. Particle size was measured by dynamic light scattering measurements (DLS). Irrespective of the wide differences in molecular weight and polydispersity index values, the random copolymers having TCD content &gt;30 mol % were found to form microporous films upon solvent casting from a THF/water 9:1 solvent combination. The amount of TCD in the copolymer was found to have an influence on the pore size formed. The diblock copolymer formed microspheres ∼200 nm in diameter. The thermal properties of all the polymers were studied using differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA), and the copolymers were found to have good thermal stability. © 2008 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 46: 1278–1288, 2008</p>1 aDeepak, V., D.1 aAsha, S., K.  uhttp://library.ncl.res.in/content/random-and-ab-diblock-copolymers-tricyclodecanemethanol-urethane-methacrylate-styrene02405nas a2200217   4500008004100000022001400041245009200055210006900147260007100216300001600287490000600303520159700309653001801906653002701924653002101951653003101972653002202003100001802025700001702043856012702060       2014                        eng d  a1944-824400aRandom copolyesters containing perylene bisimide: flexible films and fluorescent fibers0 aRandom copolyesters containing perylene bisimide flexible films   a1155 16TH ST, NW, WASHINGTON, DC 20036 USAbAMER CHEMICAL SOCcAUG  a12457-124660 v63 a<p>Random copolyesters of poly(L-lactic acid) (PLLA) and [poly-(1,4-cyclohexylenedimethylene-1,4- cyclohexanedicarboxylate)] (PCCD) incorporating varying mol ratios of perylene bisimide (PBI) were developed via a high-temperature solution-blending approach. PCCD incorporating PBI was developed by melt polycondenzation followed by a polyester-polyester transesterification reaction between PCCD PBI and PLLA. The polymers exhibited good solubility in common organic solvents and formed free-standing films, which showed bright red emission upon irradiation with ultraviolet radiation. A solid state fluorescence quantum yield of 10% was observed for this PBI based polyester, which was much higher than that reported in literature for PBI based polymers in the solid state (&lt;1%). Strong red fluorescent nanofibers of these polymers were successfully constructed by electrospinning technique. A random copolyester incorporating donor based on oligo(p-pheneylenevinylene) (OPV) and PBI as acceptor chromophore was also synthesized and fluorescence microscopy images of the electrospun fibers of this polymer exhibited blue, green and red emission upon excitation at different wavelengths. The high temperature solution blending approach involving a high molecular weight polymer and a suitably functionalized it conjugated molecule described here is a unique method by which 1D nanostructures of a wide range of pi-conjugated chromophores could be fabricated having strong fluorescence, with the scope of application in nanoscale optoelectronics, biological devices, as well as sensing.</p>10aflexible film10afluorescent nanofibers10aluminescent film10aoligo(p-phenylenevinylene)10aperylene bisimide1 aNisha, Kumari1 aAsha, S., K.  uhttp://library.ncl.res.in/content/random-copolyesters-containing-perylene-bisimide-flexible-films-and-fluorescent-fibers-002127nas a2200169   4500008004100000245015500041210006900196260000800265300001600273490000800289520147300297100001501770700001301785700001701798700001701815856012501832       2019                        eng d00aRylene diimide-based alternate and random copolymers for flexible supercapacitor electrode materials with exceptional stability and high power density0 aRylene diimidebased alternate and random copolymers for flexible  cJAN  a2084–20930 v1233 aDonor–acceptor pi-conjugated polymers are emerging as interesting electrode materials for supercapacitor device applications. They offer an exciting possibility of charge storage in both positive and negative electrodes because they are both p- and n-dopable. The ambipolar charging enables higher operating voltage, which can afford higher specific energy and power densities. The donor–acceptor design can be either donor-alternate-acceptor or donor-random-acceptor. This architectural variation has the potential to modify the charge storage; yet surprisingly not much literature data is available exploiting this aspect. This paper explores the alternate and random geometries of donor–acceptor π-conjugated polymers based on naphthalene diimide or perylene diimide (PDI) as the acceptor component and benzodithiophene (BDT) as the donor component and their application as composite electrode materials in a type III supercapacitor device. Results show that the donor–acceptor alternate design involving P(PDI-alt-BDT) is an excellent supercapacitor electrode material with specific capacitance of 113 F g–1 with excellent stability up to 4000 cycles and almost 100% retention of the initial capacitance in a single-electrode setup in a PC-LiClO4 organic electrolyte. A flexible supercapacitor device was also fabricated which shows areal capacitance of 35 mF cm–2 at a current density of 0.5 mA cm–2, which is promising for commercial applications.1 aSharma, S.1 aSoni, R.1 aKurungot, S.1 aAsha, S., K.  uhttp://library.ncl.res.in/content/rylene-diimide-based-alternate-and-random-copolymers-flexible-supercapacitor-electrode