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首页> 外文期刊>Journal of Applied Polymer Science >Zinc hydroxystannate and zinc stannate as flame-retardant agents for flexible poly(vinyl chloride)
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Zinc hydroxystannate and zinc stannate as flame-retardant agents for flexible poly(vinyl chloride)

机译：羟基锡酸锌和锡酸锌作为柔性聚氯乙烯的阻燃剂

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摘要

The flame-retardant and smoke-suppressant properties of inorganic tin compounds such as zinc hydroxystannate (ZHS) and zinc stannate (ZS) were investigated in a comparison with alumina trihydrate, magnesium hydroxide, and Sb2O3 through the limiting oxygen index test and smoke density test. The flame-retardant mechanisms were studied through the char yield test, SEM, quantitative analysis, thermogravimetry and differential thermal analysis. The thermal degradation in air of flexible PVC treated with the above compounds was studied by thermal analysis from ambient temperature to 800 degrees C. The results showed that tin compounds such as ZHS and ZS could be used as a highly effective flame retardant for flexible PVC, and it appears that the tin compound may exert its action in both the condensed and vapor phases, but mainly in condensed phases as a Lewis acid. (c) 2005 Wiley Periodicals, Inc.
机译：通过极限氧指数测试和烟气密度测试，研究了羟基锡酸锌（ZHS）和锡酸锌（ZS）等无机锡化合物与三水合氧化铝，氢氧化镁和Sb2O3的阻燃和抑烟性能。 。通过炭产率测试，SEM，定量分析，热重分析和差热分析研究了阻燃机理。通过从环境温度到800摄氏度的热分析，研究了用上述化合物处理的柔性PVC在空气中的热降解。结果表明，诸如ZHS和ZS之类的锡化合物可以用作柔性PVC的高效阻燃剂，并且看来锡化合物可以在冷凝相和气相中都发挥作用，但主要在冷凝相中作为路易斯酸。 （c）2005年Wiley Periodicals，Inc.

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