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    Сравнение реологического поведения растворов неионогенных и ионогенных полимеров | Научный журнал "Доклады Башкирского университета"

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    Сравнение реологического поведения растворов неионогенных и ионогенных полимеров

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    Доклады Башкирского университета. 2016. Том 1. № 3. С. 512-517.

    Авторы

    Чернова В. В.*
    Башкирский государственный университет
    Россия, г. Уфа, 450076, улица Заки Валиди, 32
    Каримова Р. Д.
    Башкирский государственный университет
    Россия, г. Уфа, 450076, улица Заки Валиди, 32
    Васильева А. П.
    Башкирский государственный университет
    Россия, г. Уфа, 450076, улица Заки Валиди, 32

    Абстракт

    Исследованы реологические свойства растворов ионогенных полимеров - ацетата хитозана, сукцинамида хитозана и натриевой соли карбоксиметилцеллблозы и проведено сравнение их реологических свойств со свойствами неионогенного полимера - поливинилового спирта. Установлено, что в случае растворов полиэлектролитов характерно наличие области неструктурированных полуразбавленных растворов без образования сетки зацеплений.

    Ключевые слова

    • реология
    • вязкость
    • полиэлектролиты
    • неионогенные полимеры

    Литература

    1. Дой М., Эдвардс С. Динамическая теория полимеров/Пер. с англ. под ред. С. И. Кучанова, В. В. Кислова. М.: Мир, 1998. С. 440.
    2. Де Женн П. Идеи скейлинга в физике полимеров / Пер. с франц. под ред. И. М. Лифшица. М.: Мир, 1982. С. 368.
    3. Dobrynin A. V., Rubinshtein M., Colby R. H. Scaling Theory of Polyelectrolyte Solutions // Macromolecules. 1995. V. 28. No 6. P. 1859-1871.
    4. Muthukumar M. Dynamics of polyelectrolyte solutions // J. Chem. Phys. 1997. V. 107. No 7. Р. 2619-2636.
    5. Litmanovich E. A., Orleneva A. P., Korolev B. A., Kasaikin V. A. and Kulichikhin V. G. Dynamics of polymer chain in aqueous and salt-containing aqueous solutions of poly (dimethyl diallylammonium chloride) // Polymer Science, Ser. А. 2000. V. 42. No 6. P. 1035-1041.
    6. Litmanovich E. A., Syaduk G. V., Lysenko E. A., Zezin A. B., Kabanov A. V., Kabanov V. A. Effect of concentration regime on rheological properties of sodium polymethacrylate and its complexes with polystyrene-poly(N-ethyl-4- vinylpyridinium bromide) block copolymer in aqueous salt solution // Polymer Science, Ser. А. 2006. V. 48. No 9. P. 997-1003.
    7. Dreval’ V. E., Vasil’ev G. B., Litmanovich E. A., and Kulichikhin V. G. Rheological properties of concentrated aqueous solutions of anionic and cationic polyelectrolyte mixtures // Polymer Science, Ser. А. 2008. V. 50. No 7. P. 751-756.

    Comparison of rheological behaviour of solutions of nonionic and ionogenic polymers

    Authors

    Chernova V. V.*
    Bashkir State University
    32 Zaki Validi Street, 450076 Ufa, Russia
    Karimova R. D.
    Bashkir State University
    32 Zaki Validi Street, 450076 Ufa, Russia
    Vasil’eva A. P.
    Bashkir State University
    32 Zaki Validi Street, 450076 Ufa, Russia

    Abstract

    Rheological properties of solutions of ionogenic polymers - acetate of chitosan, a succinamide of chitosan and sodium salt of a carboxymethyl cellulose are investigated. Comparison of their rheological properties with properties of nonionic polymer - polyvinyl alcohol is carried out. It is established that in case of solutions of polyelectrolytes existence of area of the unstructured semi-diluted solutions without formation net links is characteristic.

    Keywords

    • rheology
    • viscosity
    • polyelectrolytes
    • non-ionic polymers
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