Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Eryl D. Owen"'
Autor:
Eryl D. Owen, R. T. Allen
Publikováno v:
Journal of Applied Chemistry and Biotechnology. 22:799-810
Photobleaching of the halides of the triphenylmethane dyes crystal violet and malachite green in thin films of poly(methylmethacrylate) is described. The reaction proceeds via the triplet excited state of the dye which undergoes an intramolecular ele
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::889f5062e01306c95bead8400134c58f
https://doi.org/10.1002/jctb.5020220702
https://doi.org/10.1002/jctb.5020220702
Autor:
Tarek N. Al‐Akil, Eryl D. Owen
Publikováno v:
Journal of Applied Chemistry and Biotechnology. 27:241-247
The interaction between dilute aqueous solutions of the disazo dye Brilliant Orange and the triphenylmethane dye Crystal Violet results in a decrease in the absorption of Crystal Violet in the region 550–600 nm and the appearance of a new absorptio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02f02784f5ef049b943134402c73eff8
https://doi.org/10.1002/jctb.5020270136
https://doi.org/10.1002/jctb.5020270136
Autor:
Eryl D. Owen, Hamzeh S.M. Al-Moh'd
Publikováno v:
Polymer. 38:3533-3538
The presence of polyene sequences, introduced into polyisoprene by interaction with molecular iodine in the solid phase and in chloroform solution has been established using fluorescence emission and excitation spectroscopy. Changes in the electrical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d61e55e119c5c033e269552754377ef
https://doi.org/10.1016/s0032-3861(96)00913-5
https://doi.org/10.1016/s0032-3861(96)00913-5
Publikováno v:
Polymer Degradation and Stability. 51:151-158
The essential features of the thermal and photochemical degradation of poly(vinyl chloride) (PVC), are reviewed briefly and in particular the role played by polyene sequences in these and other closely related processes is emphasised. PVC was degrade
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f37508c072bc03e4951ff994ef9f7330
https://doi.org/10.1016/0141-3910(95)00154-9
https://doi.org/10.1016/0141-3910(95)00154-9
Autor:
Eryl D. Owen, Mishgan M Al-Awar
Publikováno v:
Polymer. 35:2840-2843
Polyene sequences produced by chemical dehydrochlorination of poly(vinyl chloride) react with antimony pentachloride to form species with strong absorptions in the visible and near-infra-red regions of the spectrum, the detailed positions and relativ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a5266c341b86babb62f7930a63b6f0b
https://doi.org/10.1016/0032-3861(94)90315-8
https://doi.org/10.1016/0032-3861(94)90315-8
Autor:
Eryl D. Owen, Hamzeh S.M. Al-Moh'd
Publikováno v:
Polymer Degradation and Stability. 56:235-237
Fluorescence excitation and emission spectra of a soluble product isolated from a preparation of polyacetylene are compared with those of polyene sequences formed by the chemical dehydrochlorination of poly(vinyl chloride) (PVC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8bb6fbc00649b66133b6dd461b839da3
https://doi.org/10.1016/s0141-3910(96)00195-4
https://doi.org/10.1016/s0141-3910(96)00195-4
Publikováno v:
Macromolecules. 27:3436-3438
Phase transfer catalysis has been shown to be an effective method for the dehydrochlorination of PVC to yield conjugated polyene sequences. The sequence lengths are not monodisperse; however, no very long sequences were detected by near-IR excited Ra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb46e089275bebf85580be380c8e10e0
https://doi.org/10.1021/ma00090a046
https://doi.org/10.1021/ma00090a046
Autor:
Eryl D. Owen
Publikováno v:
Annual Reports Section "C" (Physical Chemistry). 91:295
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1504f2750d1989fe8ea1ee5751ab46f9
https://doi.org/10.1039/pc9949100295
https://doi.org/10.1039/pc9949100295
Autor:
Eryl D. Owen, Ishrat Pasha
Publikováno v:
Journal of Polymer Science: Polymer Letters Edition. 16:429-432
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87594d52df43f734c3e7b7283cd34ade
https://doi.org/10.1002/pol.1978.130160808
https://doi.org/10.1002/pol.1978.130160808
Photochemical reactions of polyene sequences produced during the degradation of poly(vinyl chloride)
Autor:
Ishrat Pasha, Eryl D. Owen
Publikováno v:
Journal of Applied Polymer Science. 25:2417-2426
Photosensitized reactions of tetrahydrofuran (THF) and dichloromethane (DCM) solutions of polyene sequences introduced into poly(vinyl chloride) molecules by chemical degradation have been investigated. The distribution of polyenes produced following
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ef9a1f89e0b62bf34e03ebd642a3fb9
https://doi.org/10.1002/app.1980.070251026
https://doi.org/10.1002/app.1980.070251026