Synthesis and Copolymerization of Benzamide Methacrylate with Styrene

IF 0.5 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Inorganic Materials: Applied Research Pub Date : 2024-10-09 DOI:10.1134/S207511332470093X

K. G. Guliyev, V. E. Vakhabova, D. R. Nurullayeva

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Abstract

A new monomer, benzamide methacrylate, is synthesized, and its free radical copolymerization with styrene in mass and in a solution in benzene in the presence of azobisisobutyronitrile (AIBN) is carried out and investigated. The ratio of comonomers is varied in a range of 90 : 10–10 : 90 mol %. The total concentration of comonomers is 1.7 mol/L at 70°C. The composition of the synthesized copolymers is determined by elemental analysis based on the nitrogen content. The monomer and copolymer are characterized by spectroscopic methods (IR, nuclear magnetic resonance (NMR)). The values of the relative activity constants of the monomer are determined, and the Alfrey–Price parameters are calculated. To assess the nature of distribution of the links in the macromolecular chain, the parameters of the microstructure are calculated. It is found that r₁ > r₂ (r₁ and r₂ are the relative activity constants) in all the cases; therefore, the copolymer is enriched in benzamide methacrylate links. It is shown that the composition of the formed copolymers depends on the composition of the initial monomer mixture. The obtained copolymer possesses quite high medical and biological activity, which opens up the possibility for its use as bactericides and fungicides. The obtained copolymers based on benzamide methacrylate are nontoxic and can be used as bactericidal agents. It is found that the biocidal effect is first of all associated with the presence of benzamide fragment links in the macrochain.

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苯甲酰胺甲基丙烯酸酯与苯乙烯的合成与共聚

我们合成了一种新的单体--甲基丙烯酸苯甲酰胺，并在偶氮二异丁腈（AIBN）存在下，对其与苯乙烯在质量和苯溶液中的自由基共聚进行了研究。共聚单体的比例在 90 : 10-10 : 90 mol % 的范围内变化。共聚单体的总浓度为 1.7 摩尔/升，温度为 70°C。合成共聚物的成分是通过元素分析法根据氮含量确定的。单体和共聚物通过光谱方法（红外光谱、核磁共振）进行表征。确定了单体的相对活性常数的值，并计算了 Alfrey-Price 参数。为了评估大分子链中链节分布的性质，计算了微观结构参数。结果发现，在所有情况下，r1 > r2（r1 和 r2 是相对活度常数）都存在；因此，共聚物中富含苯甲酰胺甲基丙烯酸酯链节。研究表明，所形成的共聚物的组成取决于初始单体混合物的组成。所获得的共聚物具有相当高的医疗和生物活性，这为其用作杀菌剂和杀真菌剂提供了可能。所获得的基于甲基丙烯酸苯甲酰胺的共聚物无毒，可用作杀菌剂。研究发现，杀菌效果首先与大链中存在的苯甲酰胺片段链接有关。

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来源期刊

Inorganic Materials: Applied Research Engineering-Engineering (all)

CiteScore

0.90

自引率

0.00%

发文量

199

期刊介绍： Inorganic Materials: Applied Research contains translations of research articles devoted to applied aspects of inorganic materials. Best articles are selected from four Russian periodicals: Materialovedenie, Perspektivnye Materialy, Fizika i Khimiya Obrabotki Materialov, and Voprosy Materialovedeniya and translated into English. The journal reports recent achievements in materials science: physical and chemical bases of materials science; effects of synergism in composite materials; computer simulations; creation of new materials (including carbon-based materials and ceramics, semiconductors, superconductors, composite materials, polymers, materials for nuclear engineering, materials for aircraft and space engineering, materials for quantum electronics, materials for electronics and optoelectronics, materials for nuclear and thermonuclear power engineering, radiation-hardened materials, materials for use in medicine, etc.); analytical techniques; structure–property relationships; nanostructures and nanotechnologies; advanced technologies; use of hydrogen in structural materials; and economic and environmental issues. The journal also considers engineering issues of materials processing with plasma, high-gradient crystallization, laser technology, and ultrasonic technology. Currently the journal does not accept direct submissions, but submissions to one of the source journals is possible.