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1,3,5-三甲基-1,1,3,5,5-五苯基三硅氧烷(1)含有较多苯基,其沸点较高(225℃/0.2mm),饱和蒸汽压低,热稳定性和抗氧化性能良好,可作为理想的高真空扩散泵油。
1,3,5-trimethyl-1,1,3,5,5-pentaphenyltrisiloxane (1) contains more phenyl groups and has a higher boiling point (225 ° C / 0.2 mm), saturated steam Low pressure, thermal stability and good oxidation resistance, can be used as the ideal high vacuum diffusion pump oil.