Articles Vol. 3. Issue 1, 2024

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Uzbekistan Journal of PolymersVol. 3. Issue 1. (2024)

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Uzbekistan Journal of PolymersVol. 3. Issue 1. (2024) 240101

PRACTICAL AND THEORETICAL ASPECTS OF ELECTROSPINNING CHITOSAN-BASED FIBERS

Nurgaliev I.N.


This paper analyzes experimental studies on producing fibers based on the natural polymer chitosan. It discusses how different parameters affect the resulting natural fibers. The paper also includes theoretical calculations of the fiber diameters and compares them with experimental ... Read More

Keywords: chitosan, fiber, electrospinning, modeling.
 
Uzbekistan Journal of PolymersVol. 3. Issue 1. (2024) 240102

FUTURE OF CREATION NANOFIBER BIOMATERIALS FROM POLYVINYL ALCOHOL/CARBOXYMETHYL CELLULOSE/NANOSILVER SYSTEMS FOR VARIOUS APPLICATIONS

Yunusov Kh.E., Mirkholisov M.M., Rashidova S.Sh


Polyvinyl alcohol/sodium-carboxymethylcellulose composites have attracted considerable atten-tion due to the synergistic relationship between the two polymers and the development of novel blends with improved properties. On the one hand, polyvinyl alcohol is a versatile polymer with better mechanical properties ... Read More

Keywords: Electrospinning, nanofiber mat, carboxymethylcellulose, polyvinyl alcohol, wound heling, silver nanoparticles.
 
Uzbekistan Journal of PolymersVol. 3. Issue 1. (2024) 240103

SORPTION OF Pb(II) IONS OF A POLYCOMPLEXONE CONTAINING AMINO AND SULFOGROUP

Khushvaktov S., Jurayev M., Tursunmuratov O., Bekchanov D., Mukhamediev M.


In this article, a new polyampholyte containing amino and sulfo groups was obtained by adding polyethylenpoliamine to a sulfocation exchanger resin obtained from polyvinyl chloride. The absorption patterns of Pb2+ ions from artificial solutions into a new polyampholyte based ... Read More

Keywords: PVC compound, polyampholyte, sorption, ion exchanger, lead ion, kinetics, pseudofirst and pseudosecond kinetic models.
 
Uzbekistan Journal of PolymersVol. 3. Issue 1. (2024) 240104

PERIODATE OXIDATION OF CARBOXYMETHYLCELLULOSE

Goyibnazarov I.Sh., Yuldoshov Sh.A., Sarimsakov A.A.


This paper presents the results of studies of the oxidation reaction of carboxymethylcellulose (Na-CMC) with sodium periodate using microwave irradiation. The influence of reaction time, oxidant concentration, solution pH and reaction temperature to the content of aldehyde groups in ... Read More

Keywords: sodium carboxymethylcellulose, dialdehyde carboxymethylcellulose, periodate oxidation, microwave irradiation.
 
Uzbekistan Journal of PolymersVol. 3. Issue 1. (2024) 240105

DETERMINATION OF ETHACIZINE IN BIOLOGICAL FLUIDS

Alikhodjaeva M., Boymuratov F.ΠΆ., Ataxanov A., Jalilov F.


Currently, there has been a significant increase in cardiovascular pathology, and due to this, the frequency of use of antiarrhythmic drugs has noticeably increased.In the process of using drugs of this group, severe side effects are more likely to ... Read More

Keywords: thin layer chromatography (TLC), UV spectrophotometry, Termodesorbtion Surface-Ionization (TDSI) spectroscopy, etacizine, blood, urine.
 
Uzbekistan Journal of PolymersVol. 3. Issue 1. (2024) 240106

NANOFIBER OF CELLULOSE AND ITS ACETATES

Sarymsakov A.A., Nazarova Z.M., Ashurov N.Sh.


The properties of cellulose diacetate (CDA) solutions in solvent-acetone and acetone-water mixtures in the ratios 9.5:5, 93.5:7.5, and 90:10 were studied. Optimal concentrations of CDA solution were found at which the insoluble water content in acetone is 7.5%, exhibiting ... Read More

Keywords: cellulose diacetate, nanofibres, electrospinning, rheological properties, viscoty, thermodynamic properties, non-Newtonian liquids.
 
Uzbekistan Journal of PolymersVol. 3. Issue 1. (2024) 240107

OPTIMIZED SYNTHESIS OF CARBOXYMETHYL CELLULOSE FROM MICROCRYSTALLINE CELLULOSE AND NANOCELLULOSE VIA SUSPENSION METHOD

Mamadiyorov B.N., Ergashev D.J, Atakhanov A.A.


Carboxymethyl cellulose (CMC) is a versatile polysaccharide derivative with widespread applications in various industries, including food, pharmaceuticals, and cosmetics. In this study, we present a novel synthesis method for CMC utilizing a suspension approach based on microcrystalline cellulose (MCC) ... Read More

Keywords: nanocellulose, microcrystalline cellulose, carboxymethylcellulose, degree of polymerization, degree of substitution, monochloroacetic acid.
 

Announcement

Dear scientists, colleagues!

We inform you that according to Decision № 355/5 dated June 7, 2024, and № 357 dated Jule 3, 2024 of the Higher Attestation Commission under the Ministry of Higher Education, Science and Innovation of the Republic of Uzbekistan the journal "Uzbekistan Journal of Polymers" is included in the List of Recommended Scientific Editions for Publication of Basic Scientific Results of Dissertations by Supreme Attestation Commission of the Republic of Uzbekistan for Doctor of Philosophy (PhD) and Doctor of Science (DSc) in the specialties: chemical sciences (02.00.00), pharmaceutical sciences (15.00.00), physical and mathematical sciences (01.00.00) and technical sciences (05.00.00)

Regards
Editorial Office
Uzbekistan Journal of Polymers

Uzbekistan Journal of Polymers Vol. 2. Issue 2. (2023)

Special Issue:
Dedicated to the 80th anniversary of the outstanding Uzbek chemist Sayyora Sharafovna Rashidova

POLYMER   |  PHYSICS   |  CHEMISTRY   |  NANO-PARTICLE


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