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,研究了烷基锡酸对酯化反应的催化作用,系统的探讨了影响反应的各种因素。
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、热重分析及烟密度测试法就锡酸锌对软质pvc的阻燃抑烟行为进行了研究。
The sodium stannate from slag containing tin is prepared directly by the process including alkali fusion, leaching, purification, concentration and crystallization.
以含锡渣为原料,采用碱熔—浸出—除杂—浓缩结晶工艺直接制取了锡酸钠产品。
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:先用磷酸酸洗,再用氢氧化钠、磷酸三钠、碳酸钠溶液碱洗的预处理方案得到的转化膜耐腐蚀性能最优。
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)、热性能和力学性能的测定,研究了锡酸锌包覆碳酸钙阻燃剂对聚氯乙烯(PVC)电缆料性能的影响。
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.
在碱性锡酸盐镀锡溶液中进行了镍微粒与锡的共沉积试验,对所得锡-镍复合镀层的磨擦性能进行了研究。
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.
在碱性锡酸盐镀锡溶液中进行了镍微粒与锡的共沉积试验,对所得锡-镍复合镀层的磨擦性能进行了研究。
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