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Article
Molecular and supramolecular interactions in systems based on microcrystalline cellulose and trichlorophene
It is shown that the interaction between components of the microcrystalline cellulose — trichlorophene (MCC — TCP) system can proceed via the formation of intermolecular (hydrogen) bonds and even covalent bond...
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Article
The Structures and Physicochemical Properties of Mixtures of Water-Soluble Polymers
Because data on structure, component interaction, physical properties, and compatibility of polymer blends containing native polysaccharides is very sparse, we have used optical and electron microscopy, X-ray ...
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Article
Structural, Physicomechanical, and Sorption Properties of Ternary Acrylonitrile Copolymer Fibres
When itaconic acid (IA) is replaced by vinylcaprolactam (VCL) in ternary AN:MA:IA (acrylonitrile:methyl acrylate:itaconic acid) copolymers, fibres similar in structure to industrial Nitron fibre are obtained, ...
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Article
Properties of the Polycomplex of Apple Pectin with Benzimidazolyl-2-methylcarbamate Hydrochloride after Micronization
X-ray diffraction, microscopic, and sorption studies of benzimidazolyl-2-methylcarbamate hydrochloride (BMCHC) with various types of pectin showed that the structure of the mixtures depends on the composition,...
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Article
Studying Interactions in Microcrystalline Cellulose – Drug Systems
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Article
Structural Investigations of Chitin and Its Deacetylation Products
The structure of crab chitin and chitosan from it with various degrees of deacetylation (DDA) are studied by x-ray diffraction, IR spectroscopy, and microscopy. Deacetylation causes substantial d...
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Article
Structural and physicochemical study of chitosan and polyvinylpyrrolidone blends
Physical and physicochemical methods are used to study a blend based on industrial crab chitosan and polyvinylpyrrolidone over a wide composition range. Thermodynamic data indicate that this pair of polymers i...
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Article
Effect of the cleaning method on the structure and properties of cotton cellulose fabricated by combined boiling and bleaching
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Article
Structural investigations of enterosorbents based on natural silk
Features of an enterosorbent based on the fibroin of natural silk hydrolyzed in acid and alkaline solutions have been investigated by x-radiographic, electron-microscopic, and sorption methods. It has been sho...
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Article
Separation of the lignocellulose of nonwoody plants into its main components and study of their properties
It has been shown that as a result of preliminary acid hydrolysis followed by alkaline treatment there is a separation of the lignocellulose of nonwoody plants (cotton plant stems, kenaf tow) into the structur...
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Article
Correlation between the conditions of fabrication and structure of cotton cellulose for viscose formation
The effect of different regimes for each stage of fabrication of cotton cellulose on its supermolecular structure was evaluated by electron microscopic methods. It was shown that rigorous conditi...
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Article
Structure and properties of apple pectin
Some molecular and structural features of apple pectins obtained by various methods have been revealed through an analysis of the results of physical and physicochemical investigations.
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Article
Structure of a matrix based on polysaccharide derivatives for the immobilization of biologically active substances
The supermolecular, molecular, and physicochemical characteristics of natural and modified natural polysaccharides (cotton cellulose, amylose of the U-type) used as supports for obtaining enzyme conjugates hav...
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Article
Interaction of drugs with microcrystalline cellulose at the molecular and supermolecular levels
Various drug compositions based on plant substances (allapinin and microcrystalline cellulose (MCC) have been studied before and after micronization with the aid of x-ray-diffraction, IR-spectroscopic, electro...
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Article
Study of the partial O-alkylation of cotton cellulose
The O-alkylation of cotton cellulose with monochloroacetic acid has been studied. A change in the sequence of addition of the components to the reaction mixture enables the course of the reaction to be regulat...
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Article
Jet formation in the spinning of triacetate fibres
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Article
The question of the structure of superstrong polynosic cord
1. The supermolecular structure of superstrong polynosic cord has been studied. It has been shown that this cord is characterised by an exceptionally uniform microfibrillar-layer structure with a high degree o...
