Zobrazeno 1 - 7 of 7 pro vyhledávání: '"Charles K. Chiklis"'
1
Carbon-13 NMR of hydroxyethylcellulose: An accurate method for structural determination
Autor: Leon E. Rubin, Steven Trummer, Lloyd D. Taylor, Charles K. Chiklis, John R. DeMember
Publikováno v: Journal of Applied Polymer Science. 21:621-627
The high-resolution carbon-13 NMR spectrum of hydroxyethylcellulose (HEC) with about 2.5 moles of ethylene oxide (MS 2.5) average substitution per anhydroglucose ring (AHG) is presented. From models, the CMR chemical shifts for all of the different c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ca10fb5a72667101380b557ad70da76d
https://doi.org/10.1002/app.1977.070210304
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4
Swelling of thin films. I. Acrylamide–N-isopropylacrylamide copolymers in water
Autor: J. Michael Grasshoff, Charles K. Chiklis
Publikováno v: Journal of Polymer Science Part A-2: Polymer Physics. 8:1617-1626
The swelling curves of 6μ films of low conversion homopolymers and copolymers of acrylamide (AM) and N-isopropylacrylamide (NIPAM) were obtained in water by an optical microscope technique. Poly(AM) swelled appreciably faster than poly(NIPAM) but th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1667aa2e9ca4de171ef099c077a34b04
https://doi.org/10.1002/pol.1970.160080914
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5
Effects of thermal exposure on the physicochemical properties of polyamides
Autor: Charles K. Chiklis, Emery I. Valko
Publikováno v: Journal of Applied Polymer Science. 9:2855-2877
Nylon 66 and nylon 6 yarns were exposed in air, nitrogen, and vacuum to temperatures form 136 to 215°C. for periods from 5 min. to 17.5 hr. The moisture absorption of both fibers is reduced by the exposure independently of the presence of oxygen or
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::74ba7ab05e334a85044620f06cca9903
https://doi.org/10.1002/app.1965.070090820
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6
α-Trifluoromethyl vinyl acetate. II
Autor: Ruby L. MacDonald, Charles K. Chiklis, Howard C. Haas
Publikováno v: Journal of Polymer Science Part A-1: Polymer Chemistry. 7:633-641
Low conversion, low molecular weight homopolymers of α-trifluoromethyl vinyl acetate have been obtained by pyridine initiation and also by employing very large amounts of benzoyl peroxide. Since allylic hydrogens are not present, it appears that the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::07f907569ce8982f48267e2dca65b103
https://doi.org/10.1002/pol.1969.150070217
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