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光电子能谱分析TiCl_4/MgCl_2/EB Ziegler-Natta催化剂中EB对Ti电子状态的影响 被引量:6

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摘要 采用光电子能谱(XPS)直接分析了TiCl_4/MgCl_2/EB(苯甲酸乙酯),TiCl_4/MgCl_2无内给电子体Ziegler-Natta催化剂和TiCl_4-EB配合物中Ti_(2p3/2)结合能的变化,阐明了TiCl_4/MgCl_2/EB催化剂中EB对Ti电子状态的影响,结合红外分析推断了EB影响Ti电子状态的方式.XPS分析显示:TiCl_4/MgCl_2/EB催化剂的Ti_(2p3/2)结合能低于TiCl_4/MgCl_2无内给电子体催化剂的Ti_(2p3/2)结合能,说明在TiCl_4/MgCl_2/EB催化剂中EB通过向Ti提供电子影响Ti的电子状态.
出处 《科学通报》 EI CAS CSCD 北大核心 2006年第8期982-984,共3页 Chinese Science Bulletin
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