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本文报导了15℃时乙烯在Pd/SiO_2上化学吸附的红外光谱。表面吸附物加氢后的气相产物是乙烷和少量的丁烷。实验表明乙烯在Pd/SiO_2上化学吸附产生了三种表面种:即σ键型的表面种PdCH_2CH_2Pd、由自加氢和二聚作用形成的正丁基表面种CH_3CH_2CH_2CH_2Pd和由解离吸附产生的表面碳化物。
This paper reports the infrared spectra of ethylene chemisorbed on Pd / SiO 2 at 15 ℃. The gas phase products after hydrogenation of surface adsorbate are ethane and a small amount of butane. Experiments show that ethylene on Pd / SiO 2 chemisorption produced three kinds of surface species: the σ bond-type surface species PdCH_2CH_2Pd, by self-hydrogenation and dimerization of the formation of the n-butyl surface species CH_3CH_2CH_2CH_2Pd and generated by dissociative adsorption surface carbide.