Zobrazeno 1 - 10
of 501
pro vyhledávání: '"John A. Pople"'
Autor:
John A. Pople, Benxin Jing, Ryan A. Mulvenna, Bryan W. Boudouris, Yingxi Zhu, William A. Phillip, Jacob L. Weidman
Publikováno v:
Journal of Membrane Science. 470:246-256
Membranes derived from self-assembled block polymers have shown promise as highly selective and highly permeable filters, but the complex synthetic routes and limited pore functionalities of existing systems need to be improved if these materials are
Autor:
Xin Wang, John A. Pople, David Wong, Nitash P. Balsara, Keith M. Beers, Alexander Hexemer, Andrew Jackson
Publikováno v:
Macromolecules. 47:4330-4336
Polymer electrolyte membranes with bicontinuous microphases comprising soft hydrated domains and mechanically robust hydrophobic domains are used in a wide range of electrochemical devices including fuel cells and electrolyzers. The self-assembly, wa
Publikováno v:
Chemical Physics Letters. 589:37-40
Electron correlation theories such as configuration interaction (CI), coupled-cluster theory (CC), and quadratic configuration interaction (QCI) are assessed by means of a Moller–Plesset perturbation expansion of the correlation energy up to fifth
Publikováno v:
Macromolecules. 46:4411-4417
Polystyrene-block-polyethylene-block-polystyrene (SES) copolymers were blended with homopolymer polystyrene (PS), and films of the blend were solvent cast using a doctor blade. The nonporous SES and PS films were exposed to both tetrahydrofuran (THF)
Autor:
Rachel A. Segalman, Giuseppe Portale, Wim Bras, Bryan McCulloch, John A. Pople, Alexander Hexemer
Publikováno v:
Macromolecules. 46:4462-4471
The dynamics associated with magnetic field alignment of a model rod–coil block copolymer poly(2,5-di(2′-ethylhexyloxy)-1,4-phenylenevinylene)-b-polyisoprene (PPV–PI) have been investigated using a combination of time-resolved in situ small-ang
Publikováno v:
Polymer. 53:3331-3340
The iso-concentration ordering kinetics of poly(styrene-b-butadiene) in a neutral solvent, toluene, at several concentrations along the solvent extraction path at room temperature were studied using dynamic mechanical rheological measurements and SAX
Publikováno v:
Macromolecules. 45:3471-3479
The ordering of a poly(styrene-b-butadiene) block copolymer solution into hexagonally packed cylinders during the extraction of a neutral solvent from a solution-cast film was studied in real time ...
Publikováno v:
Macromolecules. 45:3480-3486
Changes in the spacing of hexagonally packed cylinders in a poly(styrene-b-butadiene) copolymer film during the continual extraction of toluene under different solvent removal conditions were studied by in situ small-angle X-ray scattering (SAXS) mea
Autor:
Paul S. Russo, Rafael Cueto, William H. Daly, Cornelia Rosu, Ioan I. Negulescu, John A. Pople, Roger A. Laine
Publikováno v:
Biomacromolecules. 16(9)
Periodic patterns resembling spirals were observed to form spontaneously upon unassisted cooling of d-glucaric acid- and d-galactaric acid-based polyamide solutions in N-methyl-N-morpholine oxide (NMMO) monohydrate. Similar observations were made in
Publikováno v:
Macromolecules. 44:8866-8870
Nafion(117) membranes in contact with acidic solutions were characterized by small-angle X-ray scattering and by acid solution uptake measurements. The principle of Donnan equilibrium was used to o...