Preparation of Two-Component Polyurethane Coatings with New Generation Biocide Additives

IF 0.7 4区化学 Q4 CHEMISTRY, APPLIED

Russian Journal of Applied Chemistry Pub Date : 2026-03-02 DOI:10.1134/S1070427225602244

N. P. Bezrukov, Do Tan Tai, V. Ya. Melekhina, D. I. Mendeleev, S. V. Antonov, J. V. Kostina, Luong Thi Mo, Tran Boi An

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Abstract

The article describes the methods for the preparation of two new generation biocide additives, namely zinc oxide immobilized on graphene oxide and a complex biocidal additive based on polyhexamethylene guanidine immobilized on montmorillonite, and their application in two-component polyurethane coatings, which differ in both the polyol and isocyanate components. The antimicrobial activity of these additives against Aspergillus flavus ATCC 9643, Staphylococcus aureus ATCC 6538, and Candida albicans ATCC 9027 has been studied. The coatings were applied by aerosol spraying of solutions in volatile solvents. The adhesion to steel substrate (peel resistance) and hardness of the polyurethane coatings containing these additives were also evaluated. IR spectroscopy was used to compare polyurethane coatings with different polyol components. This method has been used to investigate the interaction between the additives and the components of the reaction system. The effectiveness of biocide additive in polyurethane systems was compared.

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新一代杀菌剂双组分聚氨酯涂料的制备

本文介绍了氧化石墨烯固载氧化锌和蒙脱土固载聚己亚甲基胍复合杀菌剂两种新一代杀菌剂的制备方法，以及它们在多元醇和异氰酸酯组分不同的双组分聚氨酯涂料中的应用。研究了这些添加剂对黄曲霉ATCC 9643、金黄色葡萄球菌ATCC 6538和白色念珠菌ATCC 9027的抑菌活性。在挥发性溶剂中采用气溶胶喷涂的方法制备涂层。并对含这些添加剂的聚氨酯涂料与钢基体的附着力（抗剥离性）和硬度进行了评价。采用红外光谱法对不同多元醇组分的聚氨酯涂料进行了比较。该方法已用于研究添加剂与反应体系组分之间的相互作用。比较了杀菌剂添加剂在聚氨酯体系中的应用效果。

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来源期刊

Russian Journal of Applied Chemistry 化学-应用化学

CiteScore

1.60

自引率

11.10%

发文量

审稿时长

2-4 weeks

期刊介绍： Russian Journal of Applied Chemistry (Zhurnal prikladnoi khimii) was founded in 1928. It covers all application problems of modern chemistry, including the structure of inorganic and organic compounds, kinetics and mechanisms of chemical reactions, problems of chemical processes and apparatus, borderline problems of chemistry, and applied research.