• Catalytic effect of alkyl stannate on rosin esterification was studied. Factors affecting the esterification reaction are discussed in detail.

    以松香树脂酸的酯化反应为例,研究了烷基酯化反应催化作用,系统探讨了影响反应各种因素

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  • The effects of zinc stannate on flame retardancy and smoke suppression of soft PVC were studied by means of LOI, TGA and smoke density measurement.

    采用氧指数法、重分析密度测试法质pvc阻燃烟行为进行了研究

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  • The sodium stannate from slag containing tin is prepared directly by the process including alkali fusion, leaching, purification, concentration and crystallization.

    为原料,采用碱熔出—除杂—浓缩结晶工艺直接制取了酸钠产品。

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  • The results show that corrosion resistance of the stannate conversion coating pretreated as following process: acid pickled by phosphate first, then alkaline pickled by s...

    结果表明磷酸酸洗,再用氢氧化钠、磷酸三钠、碳酸钠溶液碱洗预处理方案得到转化腐蚀性能最优。

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  • The effects of Zinc stannate coated CaCO3(ZSC-1) flame retardant on properties of PVC cable material were studied by the tests of OI, SDR, thermal property and mechanical property.

    通过氧指数(OI)、烟密度等级(SDR)、性能力学性能测定研究了锡酸覆碳酸钙阻燃聚氯乙烯(PVC)电缆性能影响

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  • Experiment of co-deposition of Ni particles with Sn metal from alkaline stannate bath was performed and the friction performance of the resulting Sn-Ni composite coatings was investigated.

    碱性酸盐镀溶液中进行微粒共沉积试验,对所得锡-镍复合镀层磨擦性能进行了研究。

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  • Experiment of co-deposition of Ni particles with Sn metal from alkaline stannate bath was performed and the friction performance of the resulting Sn-Ni composite coatings was investigated.

    碱性酸盐镀溶液中进行微粒共沉积试验,对所得锡-镍复合镀层磨擦性能进行了研究。

    youdao

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