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首页> 外文期刊>Applied Surface Science >Hydrolysis And Stability Of Thin Pulsed Plasma Polymerised Maleic Anhydride Coatings
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Hydrolysis And Stability Of Thin Pulsed Plasma Polymerised Maleic Anhydride Coatings

机译：薄脉冲等离子体聚合的马来酸酐涂层的水解和稳定性

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摘要

The stability of plasma polymerised layers has become important because of their widespread use. This study explored the hydrolysis and degradation stability of coatings of plasma polymerised maleic anhydride. Coatings made with different plasma parameters were exposed to aqueous media of different pH as a function of time. ATR-FTIR was used for structure analysis and a toluidine blue staining method allowed quantitative analysis of the hydrolysis of anhydride groups to acid groups. Coatings with constant thickness were obtained at different plasma powers and layers with varying thickness were obtained at constant plasma power by adjusting the polymerisation time. The results show that the hydrolysis resistance of the modified layer is determined by the power used in the plasma polymerisation, while changes in the chemistry of the modified layer are insignificant.
机译：由于等离子体聚合层的广泛使用，其稳定性已变得重要。本研究探讨了等离子聚合马来酸酐涂层的水解和降解稳定性。将具有不同血浆参数的涂层作为时间的函数暴露于不同pH的水性介质中。 ATR-FTIR用于结构分析，甲苯胺蓝染色法可定量分析酸酐基团水解为酸基团。通过调节聚合时间，可以在不同的等离子功率下获得厚度恒定的涂层，并在恒定的等离子功率下获得厚度变化的涂层。结果表明，改性层的耐水解性是由等离子聚合中使用的功率决定的，而改性层的化学性质变化不大。

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