THE EFFECT OF A COMPOSITE CHITOSAN/COPPER(II) ION COATING ON THE CORROSION RESISTANCE OF GRADE 4 TITANIUM IN SALINE: PRELIMINARY RESULTS

IF 0.8 Q4 MATERIALS SCIENCE, BIOMATERIALS Progress on Chemistry and Application of Chitin and its Derivatives Pub Date : 2023-09-30 DOI:10.15259/pcacd.28.008

Bożena Łosiewicz, Patrycja Osak, Julian Kubisztal

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Abstract

In the present work, we successfully used electrophoretic deposition to produce a new composite chitosan-copper(II) [Cu(II]) ion coating on grade 4 titanium (Ti). We prepared the coating with an environmentally friendly in situ chemical reduction process from a 2% (v/v) aqueous acetic acid solution with 1 g dm–3 chitosan and 10 g dm–3 copper acetate at 20 V for 300 s at room temperature. We evaluated the relationship between physicochemical properties and corrosion resistance of the coatings with energy dispersive spectroscopy, Fourier-transform infrared spectroscopy, a scanning Kelvin probe, and electrochemical methods. The composite coating contained 2.1 ± 0.1 wt.% of Cu, which ensures antibacterial activity. We determined the mechanism and kinetics of the electrochemical corrosion of the composite chitosan–Cu(II) ion coating on grade 4 Ti in saline solution (0.9% sodium chloride) at 37°C. The surface modification makes grade 4 Ti a more attractive material for use in dentistry.

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壳聚糖/铜离子复合涂层对4级钛在生理盐水中耐腐蚀性能的影响:初步结果

在本工作中，我们成功地利用电泳沉积技术在4级钛(Ti)上制备了一种新型复合壳聚糖-铜(II) [Cu(II])离子涂层。以2% (v/v)的醋酸水溶液为原料，加入1 g dm-3壳聚糖和10 g dm-3醋酸铜，在20 v下室温下反应300 s，采用环境友好的原位化学还原工艺制备了涂层。我们用能量色散光谱、傅里叶变换红外光谱、扫描开尔文探针和电化学方法评估了涂层的物理化学性质与耐蚀性之间的关系。复合镀层含铜量为2.1±0.1 wt.%，具有良好的抗菌活性。研究了壳聚糖- cu (II)复合镀层在37℃盐溶液(0.9%氯化钠)中电化学腐蚀4级Ti的机理和动力学。表面改性使4级钛成为牙科中更有吸引力的材料。

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来源期刊

Progress on Chemistry and Application of Chitin and its Derivatives MATERIALS SCIENCE, BIOMATERIALS-

CiteScore

1.10

自引率

16.70%

发文量

期刊介绍： Progress in the Chemistry and Application of Chitin and its Derivatives is an annual journal focused on all aspects of production, modification, enzymology and application of chitin and its many derivatives, including chitosan. The journal publishes full-length papers as well as invited reviews. To be considered, papers must present original research that has not been published or accepted for publication elsewhere. The language of the journal will be English.