Zobrazeno 1 - 9 of 9 pro vyhledávání: '"G. D. KHUNE"'
1
Preparation and Properties of Polyimides from Diisocyanates
Autor: G. D. Khune
Publikováno v: Journal of Macromolecular Science: Part A - Chemistry. 14:687-711
A series of diisocyanates was polycondensed with pyromellitic dianhydride (PMDA) and benzophenone tetracarboxylic dianhydride (BPTD) and characterized by variations in substitution at one of the hydrogen of the CH2 connecting the two phenyl rings. Al
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aa6a679c436121941bf481d41c9748c6
https://doi.org/10.1080/00222338008066642
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2
The preparation of high-viscosity, partially hydrolyzed polymethacrylamides
Autor: N. H. Kilmer, K. V. Wilson, C. E. Case, J. S. Shepitka, J. S. Ward, L.G. Donaruma, G. D. Khune, F.D. Martin, M.J. Hatch
Publikováno v: Journal of Applied Polymer Science. 28:3607-3610
Due to the high chain transfer to monomer, the homopolymerization of methacrylamide yields polymers of extremely low molecular weight. On partial alkaline hydrolysis, the viscosities of these polymers in aqueous solution are much inferior to those of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::030c65910a04512ef7f91e0af6984c64
https://doi.org/10.1002/app.1983.070281201
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3
Partially imidized, water-soluble polymeric amides. I. Partially imidized polyacrylamide and polymethacrylamide
Autor: J. S. Shepitka, L.G. Donaruma, M.J. Hatch, N. H. Kilmer, K. V. Wilson, J. S. Ward, F.D. Martin, G. D. Khune, C. E. Case
Publikováno v: Journal of Applied Polymer Science. 28:3611-3617
Five to six million molecular weight polyacrylamide and polymethacrylamides of comparable post-alkaline hydrolysis viscosities were imidized by dissolution and heating in 6N HCl. After alkaline hydrolysis, the imidized polymers demonstrated significa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dc6ad9a854c1b4362ecd678a82d2062f
https://doi.org/10.1002/app.1983.070281202
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4
[Untitled]
Autor: G. D. Khune, N. D. Ghatge
Publikováno v: Angewandte Makromolekulare Chemie. 79:93-106
Novel polyimides have been synthesized by reacting 3,3′,4,4′-benzophenone tetracarboxylic acid dianhydride with three diamines having the general structure: Polyimide films obtained have been evaluated for their thermal and electrical properties.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ecf95a1bcf72ffa997f197c83d977c14
https://doi.org/10.1002/apmc.1979.050790108
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5
Concerning the chloromethylation of alkylbenzenes and polystyrenes by chloromethyl methyl ether
Autor: Stanley L. Manatt, R.P. Pinell, N. A. Khatri, G. D. Khune
Publikováno v: Tetrahedron Letters. 25:3511-3514
Chloromethyl methyl ether-stannic chloride treatments of toluene, ethylbenzene, isopropylbenzene and tert -butyl benzene afforded respectively, 26.5, 16.8, 5.5 and 2.5% ortho -products. No meta -products could be detected (less than 0.5%). Similar ch
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0d47bfba64cdfee72fdd127435bffcc1
https://doi.org/10.1016/s0040-4039(01)91062-7
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6
Modified acrylamide polymers for enhanced oil recovery
Autor: J. S. Shepitka, G. D. Khune, N. H. Kilmer, M.J. Hatch, L.G. Donaruma, F.D. Martin
Publikováno v: Journal of Applied Polymer Science. 30:875-885
Copolymers of sodium acrylate and N-methyl-, N-isopropyl-, N-n-butyl-, and N-t-butylacrylamide were prepared. The viscosities of these copolymers in 0.01% and 2.00% NaCl and their resistances to shear were compared with those of several partially hyd
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::61c50effca2c91fc68eaef668deadaf8
https://doi.org/10.1002/app.1985.070300234
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9
NMR characterization of functional groups: 9--isomer ratios of available chloromethylstyrene mixtures
Autor: N. A. Khatri, G. D. Khune, Stanley L. Manatt
Publikováno v: Magnetic resonance in chemistry : MRC. 23(3)
From the assignments of the 1H and 13C 11.7 tesla NMR spectra of available mixtures of m- and p-chloromethylstyrene, the proportion of the meta and para compounds are easily determined. For these materials from two common commercial sources, proporti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6af76e8c3a094ebcd6e940c009b66a29
https://pubmed.ncbi.nlm.nih.gov/11543602
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