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Dielectric relaxation in poly(ethylene glycols) at 9.83 GHz

โœ Scribed by Ram J. Sengwa; Hari D. Purohit


Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
361 KB
Volume
29
Category
Article
ISSN
0959-8103

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๐Ÿ“œ SIMILAR VOLUMES


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This paper reports the results of a systematic study of microwave dielectric relaxation times of poly(ethylene glycols), average molecular weight 200รˆ9000, in dilute solutions of benzene at 9ร‰83 GHz. These results are compared with the values of relaxation times obtained earlier in carbon tetrachlor

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The average relaxation time relaxation times corresponding to seg-q 0 , mental motion and group rotations of a series of binary mixtures of q 1 q 2 , poly(ethylene glycols) (PEG 200 ] PEG 300, PEG 400 ] PEG 600, PEG 1500 ] PEG 4000, PEG 6000 ] PEG 9000, PEG 200 ] PEG 1500, PEG 300 ] PEG 4000, PEG 40

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## Abstract Dielectric relaxation study of binary mixtures of poly(vinyl pyrrolidone) (PVP) (__M__~w~ = 40 000 g mol^โˆ’1^) and poly(ethylene glycol)s (PEGs) (__M__~n~ = 200, 400 and 600 g mol^โˆ’1^) with concentration variation was carried out in dilute solutions of benzene at 10.1 GHz and 35 ยฐC. The

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## Abstract Molecular dynamics of binary mixtures of poly(propylene glycol) (PPG) and poly(ethylene glycol)s (PEGs) of varying molecular weight due to molecular interactions, chain coiling and elongation in dilute solution under various conditions, ie varying number of monomer units of PEG, method