生物聚合物混合物溶液中结构形成的实验评价和生物医学材料性能的预测

IF 0.8 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Letters on Materials Pub Date : 2022-09-01 DOI:10.22226/2410-3535-2022-3-209-213
A. Shurshina, V. Chernova, M. Lazdina, A. Titlova, E. Kulish
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引用次数: 1

摘要

对单个聚合物溶液中的结构形成进行实验评估,以及在它们与其他聚合物的混合物中,以预测在它们的基础上获得的材料的性质,这是这项工作的目的。我们使用了壳聚糖、壳聚糖琥珀基钠盐、羧甲基纤维素钠盐和聚乙烯醇。溶剂分别为蒸馏水、1%醋酸和pH = 3.80、4.25和4.75的醋酸和醋酸钠缓冲体系。研究发现,聚合物混合物中形成的聚集体的类型取决于溶剂的性质和聚合物在初始溶液中的浓度。在溶液中形成的聚集体的性质与从溶液中获得的膜材料的一些物理化学性质,即酶解的程度,以及膜材料对水蒸气的吸收速率和程度之间存在相关性。因此,所进行的研究表明,通过改变溶剂的性质、初始溶液中聚合物的浓度和性质,有可能控制混合聚合物溶液中的结构形成,从而控制所得复合材料的性质。
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Experimental evaluation of structure formation in solutions of biopolymer mixtures and prediction of the properties for biomedical materials obtained
The experimental evaluation of structure formation in solutions of individual polymers, as well as in their mixtures with other polymers in order to predict the properties of materials obtained on their basis was the aim of this work. We used chitosan, sodium salt of chitosan succinyl, sodium salt of carboxymethyl cellulose, and polyvinyl alcohol. Distilled water, 1 % acetic acid, and buffer systems based on acetic acid and sodium acetate with pH = 3.80, 4.25, and 4.75 were used as solvents. It was found that the type of aggregates formed in polymer mixtures is determined by the nature of the solvent and the concentration of the polymers in the initial solution. A correlation has been shown between the nature of aggregates formed in solutions and some physicochemical properties of film materials obtained from solutions, namely, the degree of enzymatic hydrolysis, as well as the rate and degree of water vapor sorption by film materials. Thus, the studies carried out show that by varying the nature of the solvent, the concentration and nature of the polymers in the initial solutions, it is possible to control the structure formation in mixed polymer solutions, and, therefore, the properties of the resulting composites.
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来源期刊
Letters on Materials
Letters on Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
1.60
自引率
14.30%
发文量
48
期刊介绍: The aim of "Letters on materials" is to provide a fast publication of short research and review articles on various topics in materials science and related areas of material physics and mechanics. The editorial board sees it''s own task in rapid informing of the readers on the state-of-the-art challenges and achievements in materials science. The editorial board does its best to select high quality papers reporting new scientific results that are of interest for researchers in materials science, physics, and mechanics. "Letters on materials" invites Russian and foreign researches to publish papers in both the Russian and English languages. The scope of the journal covers the following research areas: structure analysis of materials, mechanical and physical properties of materials, production and processing of materials, experimental methods of investigation of materials, theory and computational methods in solid state physics. "Letters on materials" is designed for researchers, engineers, lecturers, and students working in the areas of materials science, mechanical engineering, metal forming, physics, and material mechanics.
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