Zobrazeno 1 - 10
of 45
pro vyhledávání: '"J H, O'Donnell"'
Autor:
P. J. Pomery, J. H. O'Donnell
Publikováno v:
Journal of Polymer Science: Polymer Symposia. 55:269-278
The ESR spectra, due to trapped radicals produced by γ-irradiation at 77°K, of random copolymers of styrene and methyl methacrylate of known composition and of the two parent homopolymers have been studied at 77°K. The yields of trapped radicals i
Autor:
R. E. Cais, J. H. O'Donnell
Publikováno v:
Journal of Polymer Science: Polymer Symposia. 55:75-85
The relationship between copolymer composition and comonomer composition for the freeradical copolymerization of vinyl chloride with sulfur dioxide, initiated by γ-irradiation and by tert-butyl hydroperoxide/methanol at low temperatures, is compared
Autor:
F. J. H. O'Donnell, Rowan Truss
Publikováno v:
Macromolecular Symposia. 135:345-358
Publikováno v:
Journal of Materials Science Materials in Medicine. 8:349-356
A structural study of glass-ionomer cement (GIC) dental restoratives has been completed. Transmission electron microscopy, selected area electron diffraction, and X-ray diffraction studies indicate domain-like microstructure in a new experimental mat
Autor:
J H, O'DONNELL
Publikováno v:
The Medical press. 218(15)
Publikováno v:
Journal of materials science. Materials in medicine. 8(6)
A structural study of glass-ionomer cement (GIC) dental restoratives has been completed. Transmission electron microscopy, selected area electron diffraction, and X-ray diffraction studies indicate domain-like microstructure in a new experimental mat
Publikováno v:
Electron Spin Resonance ISBN: 9780851869018
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d68d75e14f3aa85f40992ebaae7ddaf0
https://doi.org/10.1039/9781847553492-00202
https://doi.org/10.1039/9781847553492-00202
Autor:
J. H. O'Donnell, R. E. Cais
Publikováno v:
Journal of Polymer Science: Polymer Letters Edition. 15:659-669
The rate of copolymerization, average copolymer composition, and copolymer sequence distribution for poly (vinyl chloride sulfone) prepared over a wide range of temperatures and comonomer concentrations were studied in order to test the applicability
Autor:
J. H. O'Donnell, W. K. Busfield
Publikováno v:
Journal of Polymer Science: Polymer Symposia. 49:227-237
Random copolymers of styrene and methyl methacrylate, prepared by free radical polymerization in bulk at 60°C, were irradiated under vacuum at 35°C with 60Co gamma rays to doses up to 200 Mrad. The flexural strength, with failure occurring in all c
Autor:
R E Cais, J H O'Donnell
Publikováno v:
Macromolecules. 9:279-289
H NMR spectra of poly(vinyl chloride-3,5-β,β-d sulfone)'s with different compositions discriminated effects on the methine proton resonance due to (i) the proximity of the SO group at each end of the SVS sequence, (ii) the proximity of SO groups at