Zobrazeno 1 - 10
of 34
pro vyhledávání: '"R. T. Chern"'
Publikováno v:
Macromolecules. 29:4360-4369
The gas permeability, diffusivity, and solubility of a series of polysulfones bearing basic aryl substituents were determined at 35 °C and pressures up to 20 atm. Gas permeability and diffusivity values of the aryl-substituted polysulfones were mark
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c27de128e5d91a1c1addcff766bad7ac
https://doi.org/10.1021/ma951310i
https://doi.org/10.1021/ma951310i
Autor:
Benny D. Freeman, J. G. de la Campa, J. de Abajo, Julio C. Alvarez, A. Morisato, Angel E. Lozano, R. T. Chern, Kanchan Ghosal
Publikováno v:
Journal of Membrane Science. 104:231-241
The synthesis and gas transport properties of aromatic polyisophthalamides (PIPAs), based on isophthaloyl chloride derivatives bearing pendent groups and hexafluoroisopropylidene (6F) linkages in the main chain, are reported and compared with propert
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98dca04d62adcc2da6e18931dd9e3f8d
https://doi.org/10.1016/0376-7388(95)00038-e
https://doi.org/10.1016/0376-7388(95)00038-e
Autor:
Benny D. Freeman, Angel E. Lozano, J. G. de la Campa, J. de Abajo, Julio C. Alvarez, Kanchan Ghosal, R. T. Chern
Publikováno v:
Polymer. 36:793-800
The gas transport properties of three aromatic polyisophthalamides based on isophthaloyl chlorides and 4,4′-diaminodiphenylsulfone are reported at 35°C. The effects of bulky t-butyl and phthalimide substituents, at the 5 position of the isophthalo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00f111a813103994eb21a6989bcfbc07
https://doi.org/10.1016/0032-3861(95)93110-8
https://doi.org/10.1016/0032-3861(95)93110-8
Publikováno v:
Journal of Macromolecular Science, Part A. 31:1193-1206
This work focuses on the application of a multifunctional phosphazene monomer, 2,2,4,4,6,6-hexakis(2-hydroxyethyl methacrylate)-cyclotriphosphazene (6-Hema) for enhancement of the sensitivity of polyphosphazenes to both 60Co and E-beam radiation. Spe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43ab9148781e3f0714ac3b4b26b1b365
https://doi.org/10.1080/10601329409351545
https://doi.org/10.1080/10601329409351545
Publikováno v:
Journal of Macromolecular Science, Part A. 31:1193-1206
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a945336baa0e778aebd39ac8ba0593fa
https://doi.org/10.1080/10601329408545715
https://doi.org/10.1080/10601329408545715
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 31:1545-1553
The linear expansion and contraction in the principal planar directions of poly [1-(trimethylsilyl)-1-propyne] film were measured concurrently with the sorption of n-nonane at 35°C. After the first sorption cycle, in which the polymer exhibited mark
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2215059d51a0eb4e3942b5edf3858b38
https://doi.org/10.1002/polb.1993.090311111
https://doi.org/10.1002/polb.1993.090311111
Publikováno v:
Polymers for Advanced Technologies. 4:341-347
The radiation-induced crosslinking and grafting of two aryloxy-substituted elastomeric polyphosphazenes have been carried out by both gamma and electron beam irradiation. The classic Charlesby–Pinner [1] plus a simpler approach were used to determi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b064a1362c0ceaf14cd1d0e0fe017dc
https://doi.org/10.1002/pat.1993.220040504
https://doi.org/10.1002/pat.1993.220040504
Autor:
Kanchan Ghosal, R. T. Chern
Publikováno v:
Journal of Membrane Science. 72:91-97
The gas permeability and permselectivity of unmodified and aryl nitrated poly(phenylene oxide) and polysulfone are reported for CO 2 , CH 4 , O 2 and N 2 . Aryl nitration decreases the permeability for all the gases, but increases the permselectivity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0fad02bdc6f553c7292bc349b95571d6
https://doi.org/10.1016/0376-7388(92)80058-r
https://doi.org/10.1016/0376-7388(92)80058-r
Autor:
W. Gu, R. T. Chern
Publikováno v:
Journal of Membrane Science. 69:43-50
The conventional polarographic method for measuring “dissolved oxygen” permeability was modified and re-analyzed. An oxygen concentration probe with a large cathode covered by a layer of electrolyte and a Teflon membrane was used. The effective p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61ce3e37572437dde028b6188fc19057
https://doi.org/10.1016/0376-7388(92)80166-h
https://doi.org/10.1016/0376-7388(92)80166-h
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 29:1001-1007
A series of random copolymers of methylmethacrylate and methacryloxypropyltris (trimethylsiloxy) silane were synthesized by free radical polymerization under ultraviolet light. The permeabilities of these copolymers to carbon dioxide, oxygen, and nit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6384bd8502a2b302d1da90dbc548c968
https://doi.org/10.1002/polb.1991.090290810
https://doi.org/10.1002/polb.1991.090290810