| 载体对负载型水溶性铑膦配合物结构和氢甲酰化性能的影响; The Influence of Supports on the Structure and Hydroformylation Performance of Supported Aqueous Phase Catalysts | |
| 袁友珠 ; 张宇 ; 蔡阳 ; 杨意泉 ; 张鸿斌 ; 蔡启瑞 | |
| 2000-02 | |
| 关键词 | 负载型催化剂 水溶性铑膦配合物 氢甲酰化 NMR Supported catalysts Water soluble phosphine rhodium complex Hydroformyaltion NMR |
| 英文摘要 | 作者简介: 袁友珠,男,36岁,博士,教授; [中文摘要]以丙烯、 1-己烯氢甲酰化为目标反应 ,研究了载体表面酸碱性、比表面积及孔径等对负载型水溶性铑膦配合物结构和催化性能的影响 .31 P(1 H) - NMR结果显示 ,水溶性铑膦配合物 HRh(CO) (TPPTS) 3负载到未经处理的 Si O2 表面后 ,配合物主要以 { Rh(CO) (TPPTS) 2 }物种形式存在 .负载型催化剂的活性和选择性与载体表面的酸碱性、比表面积、孔径密切相关 .载体孔径应足够大 ,以利于活性物种的负载及反应物 /产物的进出。[英文摘要]In this article influences of supports on the structure and catalysis of supported aqueous-phase catalysts(SAPC) for hydroformylation of propene and 1-hexene were studied. According to the results of 31 P(1H)-NMR it was found that when water- soluble phosphine rhodium complex of HRh(CO)(TPPTS)3 was brought to SiO2, the decomplexation of part of phosphine ligands in the complex occurs due to the strong interaction of basic ligand TPPTS with acidic surface of silica-gel carrier, forming a surface complex.containing two phosphine ligands,i.e.,{Rh(CO)(TPPTS)2}.How ever, when using Na2CO3-pretreated SiO2,the twin signals at D= 44.8 for HRh(CO)(TPPTS)3 in the 31P(1H)2NMR was observed as dominant species in the supported catalyst under identical conditions. The hydroformylarion performance of SAPC is also affected by surface area and pore size of the supports.; 国家自然科学基金和中国石化总公司联合资助课题!(29792075,29873037) |
| 语种 | 中文 |
| 出版者 | 《分子催化》编辑部 |
| 内容类型 | 期刊论文 |
| 源URL | [http://dspace.xmu.edu.cn/handle/2288/10175]  |
| 专题 | 化学化工－已发表论文 |
| 推荐引用方式 GB/T 7714 | 袁友珠,张宇,蔡阳,等. 载体对负载型水溶性铑膦配合物结构和氢甲酰化性能的影响, The Influence of Supports on the Structure and Hydroformylation Performance of Supported Aqueous Phase Catalysts[J],2000. |
| APA | 袁友珠,张宇,蔡阳,杨意泉,张鸿斌,&蔡启瑞.(2000).载体对负载型水溶性铑膦配合物结构和氢甲酰化性能的影响.. |
| MLA | 袁友珠,et al."载体对负载型水溶性铑膦配合物结构和氢甲酰化性能的影响".(2000). |
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