sg
O‘zbekcha

RHEOLOGICAL PROPERTIES OF POLYMERMETALLOKOMPLEX SOLUTIONS BASED ON SODIUM CARBOXYMETHYLCELLULOSE AND SILVER CATIONS

Authors

Keywords:

sodium-carboxymethylcellulose, rheology, degree of substitution, degree of polymerization, viscosity, concentration, temperature.

Abstract

In this article the effect of concentration and temperature on the viscosity of purified sodium-carboxymethylcellulose (CMC) and polymermetallokomplexes solutions is studied. The relationship between the complete dissolution times and viscosities of the purified 1, 2 and 3% CMC solutions with a selected degree of substitution 0.88 and a degree of polymerization 900 was determined. An aqueous solution of 1, 2 and 3% CMC was prepared and its rheological parameters were determined. It was found that the viscosity of the solutions increased when CMC solutions were exposed to the same amount of silver nitrate (AgNO3) salt. The polymermetallokomplexes compound synthesized on the basis of CMC and AgNO3 solutions was proved by rheological and FTIR spectroscopy studies.

Author Biographies

  • , O'zbekiston Respublikasi Fanlar akademyasi Polimerlar kimyosi va fizikasi instituti

    O'zbekiston Respublikasi Fanlar akademyasi Polimerlar kimyosi va fizikasi instituti tayanch doktoranti

  • , O'zbekiston Respublikasi Fanlar akademiyasi Polimerlar kimyosi va fizikasi instititi

    O‘zR FA Polimerlar kimyosi va fizikasi instituti, texnika fanlari doktori, katta ilmiy xodim.

  • , O'zbekiston Respublikasi Fanlar akademiyasi Polimerlar kimyosi va fizikasi instititi

    O‘zR FA Polimerlar kimyosi va fizikasi instituti, fizika-matematika fanlari fanlari nomzodi, yetakchi ilmiy xodim.

     

  • , O'zbekiston Respublikasi Fanlar akademiyasi Polimerlar kimyosi va fizikasi instititi

    O'zbekiston Respublikasi Fanlar akademiyasi, Polimerlar kimyosi va fizikasi instituti, texnika fanlari doktori, professor.

     

     

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Published

2025-01-24

Issue

No. 6 (2024): FarDU.Ilmiy xabarlar jurnali (Aniq va tabiiy fanlar)

Section

Chemistry

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