Zobrazeno 1 - 10 of 18 pro vyhledávání: '"E. J. Goethals"'
1
Macromolecular design of new cationic polyelectrolytes
Autor: N. A. Sivov, D. A. Topchiev, E. J. Goethals
Publikováno v: Russian Chemical Bulletin. 43:1864-1870
Methods were elaborated for the synthesis of new monomers, derivatives of diallylguanidine and macromers, which contain fragments of polytetrahydrofuran and diallylic nitrogencontaining end groups (diallylamine, alkyldiallylammonium, diallylguanidine
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::178dde61e8862b1c3c926c7c1e1ffab2
https://doi.org/10.1007/bf00696318
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2
The Synthesis and Utilization of a Polymeric Photo-Sensitizer Based on Poly(N-Tert. Butyliminoethylene)
Autor: K. Kowalski, E. J. Goethals, R. B. Koolstra
Publikováno v: Journal of Macromolecular Science: Part A - Chemistry. 28:249-256
α,ω-dianthryl poly(N-tert-butyliminoethylene) was prepared by end capping bifunctionally living PTBIE with 9-aminomethylanthracene and was used as a photosensitizer for the photochemical conversion of tachysterol compounds into previtamin D 2 and D
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4cf0204068e8765a29b0463a5c1bf0b
https://doi.org/10.1080/00222339108054407
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3
Dimensions of polyelectrolytes using the 'spectroscopic ruler'. 3. Experimental studies of poly(N-tert-butylaziridine hydrogen chloride) chains
Autor: E. J. Goethals, Guojun Liu, James E. Guillet, M. Vlegels
Publikováno v: Macromolecules. 24:4094-4100
Change in effective end-to-end distances of poly(N-tert-butylaziridine hydrogen chloride) as a function of ionic strength and molecular weight is monitored by using the «spectroscopic ruler» technique. In the formulation of the efficiency of energy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0f7c1121f191d4cc3b93c3d80512c371
https://doi.org/10.1021/ma00014a021
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4
Cyclic Oligomers in the Cationic Polymerization of Heterocycles
Autor: E. J. Goethals
Publikováno v: Pure and Applied Chemistry. 48:335-341
The cationic polymerization of heterocyclic monomers may lead to polymers containing substantial, yet variable amounts of cyclic oligomers. This review gives a survey of the systems where such oligomers have been found. Oligomer formation is generall
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff44b9fca2fc50edaf8b459ada67db9a
https://doi.org/10.1351/pac197648030335
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5
Copolymerization of Maleic Anhydride and Thiophene
Autor: E. J. Goethals, A. Cardon
Publikováno v: Journal of Macromolecular Science: Part A - Chemistry. 5:1021-1029
Mixtures of maleic anhydride and thiophene were polymerized to alternating copolymers under the influence of azobisisobutyronitrile. The yield and molecular weight were highest when equimolar amounts of both monomers were used. Through comparison of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0cda7e65bab3a8d10b3001321d3cf17b
https://doi.org/10.1080/00222337108061086
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8
Chemical ionization mass spectrometry of some crown ethers
Autor: M. Bucquoye, E. J. Goethals, C. C. Van De Sande, F. Van Gaever
Publikováno v: Organic Mass Spectrometry. 13:486-488
Methane and isobutane chemical ionization mass spectrometry is superior to the classical electron impact technique for the analysis of aliphatic macrocyclic polyethers of the 4n-crown-n type. The latter reagent gas is particularly suited for molecula
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c69177ba9d88f3a6d02bde465f9aa03
https://doi.org/10.1002/oms.1210130811
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