Complexes of amic acids with polar aprotic solvents. VI. System of hydrogen-bonds in complexes of amic acids and polyamic acids with amide solvents |
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Authors: | S A Dauengauer L A Shibaev Yu N Sazanov N G Stepanov T M Bulina |
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Institution: | (1) Institute of Macromolecular Compounds of The Academy of Sciences of the USSR, Leningrad, USSR |
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Abstract: | It has been established through X-ray analysis of complexes of pyromellitedianylic acid with amide solvents that the type of the system of hydrogen-bonds and the solvate structure depend on the nature of these solvents. It is shown for solvates of poly(4,4 -oxydiphenylene)pyromellite amic acid that mass spectrometric thermal analysis (MTA) may be used for the investigation of hydrogen-bonds formed in solid polyamic acid films. The MTA data may be employed to establish the mechanism of the effects of additives catalysing the solid-phase cyclodehydration of polyamic acids.
Zusammenfassung Durch röntgenanalyse von Komplexen von Pyromellit-dianilicsäure mit Amidlösungsmitteln wurde festgestellt, daß der Typs des Systems der Wasserstoffbindungen und die Solvatstruktur von der Natur dieser Lösungsmittel abhängt. Für Solvate der Poly-(4,4 -oxydiphenilen) pyromellit-amicsäure wird gezeigt, daß die massenspektrometrische thermische Analyse (MTA) zur Untersuchung von in festen Polyamicsäurefilmen ausgebildeten Wasserstoffbindungen herangezogen werden kann. Die MTA-Daten können zur Ermittlung des Wirkungsmechanismus von die Festphasencyclodehydratisierung von Polyamicsäuren katalisierenden Additionen herangezogen werden.
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![tcy](/content/u1426181715m0603/xxlarge1090.gif) ![rcy](/content/u1426181715m0603/xxlarge1088.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![iecy](/content/u1426181715m0603/xxlarge1077.gif) ![scy](/content/u1426181715m0603/xxlarge1089.gif) ![kcy](/content/u1426181715m0603/xxlarge1082.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![tcy](/content/u1426181715m0603/xxlarge1090.gif) ![iecy](/content/u1426181715m0603/xxlarge1077.gif) ![rcy](/content/u1426181715m0603/xxlarge1088.gif) ![mcy](/content/u1426181715m0603/xxlarge1084.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![chcy](/content/u1426181715m0603/xxlarge1095.gif) ![iecy](/content/u1426181715m0603/xxlarge1077.gif) ![scy](/content/u1426181715m0603/xxlarge1089.gif) ![kcy](/content/u1426181715m0603/xxlarge1082.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![acy](/content/u1426181715m0603/xxlarge1072.gif) ![ncy](/content/u1426181715m0603/xxlarge1085.gif) ![acy](/content/u1426181715m0603/xxlarge1072.gif) ![lcy](/content/u1426181715m0603/xxlarge1083.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) , ![ocy](/content/u1426181715m0603/xxlarge1086.gif) ![scy](/content/u1426181715m0603/xxlarge1089.gif) ![ncy](/content/u1426181715m0603/xxlarge1085.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) ![vcy](/content/u1426181715m0603/xxlarge1074.gif) ![acy](/content/u1426181715m0603/xxlarge1072.gif) ![ncy](/content/u1426181715m0603/xxlarge1085.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![dcy](/content/u1426181715m0603/xxlarge1076.gif) ![acy](/content/u1426181715m0603/xxlarge1072.gif) ![ncy](/content/u1426181715m0603/xxlarge1085.gif) ![ncy](/content/u1426181715m0603/xxlarge1085.gif) ![ycy](/content/u1426181715m0603/xxlarge1099.gif) ![kcy](/content/u1426181715m0603/xxlarge1082.gif) ![tcy](/content/u1426181715m0603/xxlarge1090.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) ![rcy](/content/u1426181715m0603/xxlarge1088.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) ![gcy](/content/u1426181715m0603/xxlarge1075.gif) ![mcy](/content/u1426181715m0603/xxlarge1084.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) ![zhcy](/content/u1426181715m0603/xxlarge1078.gif) ![ncy](/content/u1426181715m0603/xxlarge1085.gif) ![ucy](/content/u1426181715m0603/xxlarge1091.gif) ![scy](/content/u1426181715m0603/xxlarge1089.gif) ![tcy](/content/u1426181715m0603/xxlarge1090.gif) ![acy](/content/u1426181715m0603/xxlarge1072.gif) ![ncy](/content/u1426181715m0603/xxlarge1085.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) ![vcy](/content/u1426181715m0603/xxlarge1074.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![tcy](/content/u1426181715m0603/xxlarge1090.gif) ![mcy](/content/u1426181715m0603/xxlarge1084.gif) ![iecy](/content/u1426181715m0603/xxlarge1077.gif) ![khcy](/content/u1426181715m0603/xxlarge1093.gif) ![acy](/content/u1426181715m0603/xxlarge1072.gif) ![ncy](/content/u1426181715m0603/xxlarge1085.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![zcy](/content/u1426181715m0603/xxlarge1079.gif) ![vcy](/content/u1426181715m0603/xxlarge1074.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) ![zcy](/content/u1426181715m0603/xxlarge1079.gif) ![dcy](/content/u1426181715m0603/xxlarge1076.gif) ![iecy](/content/u1426181715m0603/xxlarge1077.gif) ![jcy](/content/u1426181715m0603/xxlarge1081.gif) ![scy](/content/u1426181715m0603/xxlarge1089.gif) ![tcy](/content/u1426181715m0603/xxlarge1090.gif) ![vcy](/content/u1426181715m0603/xxlarge1074.gif) ![ncy](/content/u1426181715m0603/xxlarge1085.gif) ![pcy](/content/u1426181715m0603/xxlarge1087.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) ![lcy](/content/u1426181715m0603/xxlarge1083.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![acy](/content/u1426181715m0603/xxlarge1072.gif) ![mcy](/content/u1426181715m0603/xxlarge1084.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![dcy](/content/u1426181715m0603/xxlarge1076.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) ![kcy](/content/u1426181715m0603/xxlarge1082.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![scy](/content/u1426181715m0603/xxlarge1089.gif) ![lcy](/content/u1426181715m0603/xxlarge1083.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) ![dcy](/content/u1426181715m0603/xxlarge1076.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) ![bcy](/content/u1426181715m0603/xxlarge1073.gif) ![acy](/content/u1426181715m0603/xxlarge1072.gif) ![vcy](/content/u1426181715m0603/xxlarge1074.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) , ![kcy](/content/u1426181715m0603/xxlarge1082.gif) ![acy](/content/u1426181715m0603/xxlarge1072.gif) ![tcy](/content/u1426181715m0603/xxlarge1090.gif) ![acy](/content/u1426181715m0603/xxlarge1072.gif) ![lcy](/content/u1426181715m0603/xxlarge1083.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![zcy](/content/u1426181715m0603/xxlarge1079.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![rcy](/content/u1426181715m0603/xxlarge1088.gif) ![ucy](/content/u1426181715m0603/xxlarge1091.gif) ![yucy](/content/u1426181715m0603/xxlarge1102.gif) ![shchcy](/content/u1426181715m0603/xxlarge1097.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![tcy](/content/u1426181715m0603/xxlarge1090.gif) ![vcy](/content/u1426181715m0603/xxlarge1074.gif) ![iecy](/content/u1426181715m0603/xxlarge1077.gif) ![dcy](/content/u1426181715m0603/xxlarge1076.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) ![fcy](/content/u1426181715m0603/xxlarge1092.gif) ![acy](/content/u1426181715m0603/xxlarge1072.gif) ![zcy](/content/u1426181715m0603/xxlarge1079.gif) ![ncy](/content/u1426181715m0603/xxlarge1085.gif) ![ucy](/content/u1426181715m0603/xxlarge1091.gif) ![tscy](/content/u1426181715m0603/xxlarge1094.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![kcy](/content/u1426181715m0603/xxlarge1082.gif) ![lcy](/content/u1426181715m0603/xxlarge1083.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) ![dcy](/content/u1426181715m0603/xxlarge1076.gif) ![iecy](/content/u1426181715m0603/xxlarge1077.gif) ![gcy](/content/u1426181715m0603/xxlarge1075.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![rcy](/content/u1426181715m0603/xxlarge1088.gif) ![acy](/content/u1426181715m0603/xxlarge1072.gif) ![tcy](/content/u1426181715m0603/xxlarge1090.gif) ![acy](/content/u1426181715m0603/xxlarge1072.gif) ![tscy](/content/u1426181715m0603/xxlarge1094.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![pcy](/content/u1426181715m0603/xxlarge1087.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) ![lcy](/content/u1426181715m0603/xxlarge1083.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![acy](/content/u1426181715m0603/xxlarge1072.gif) ![mcy](/content/u1426181715m0603/xxlarge1084.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![dcy](/content/u1426181715m0603/xxlarge1076.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) ![kcy](/content/u1426181715m0603/xxlarge1082.gif) ![icy](/content/u1426181715m0603/xxlarge1080.gif) ![scy](/content/u1426181715m0603/xxlarge1089.gif) ![lcy](/content/u1426181715m0603/xxlarge1083.gif) ![ocy](/content/u1426181715m0603/xxlarge1086.gif) .
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