周丽梅,蒋晓慧,綦晓龙,范红伟,付海燕,陈华.Rh-TPPTS/CTAB-MMT催化剂的制备及其催化长链烯烃氢甲酰化反应性能研究[J].分子催化,2012,(5):399-405
Rh-TPPTS/CTAB-MMT催化剂的制备及其催化长链烯烃氢甲酰化反应性能研究
Preparation of Rh-TPPTS/CTAB-MMT catalysts and their catalytic performance of long chain olefin hydroformylation
投稿时间:2012-08-21  修订日期:2012-09-07
DOI:
中文关键词:  蒙脱土  水溶性铑膦配合物  长链烯烃  氢甲酰化反应  负载型催化剂
英文关键词:montmorillonite  water-soluble rhodium phosphine complex  long chain olefin  hydroformylation  supported catalyst.
基金项目:四川省教育厅重点项目(11ZA035);四川省化学合成与污染控制重点实验室开放项目(CSPC2010-3)
作者单位E-mail
周丽梅* 西华师范大学 cwnuzhoulimei@163.com 
蒋晓慧 西华师范大学 jxh2314508@163.com 
綦晓龙 西华师范大学 706846065@qq.com 
范红伟 西华师范大学 307205981@qq.com 
付海燕 四川大学 haijianfu@163。com 
陈华 四川大学 scuhchen@163。com 
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中文摘要:
      :通过浸渍法将水溶性铑膦配合物(Rh-TPPTS)负载到由十六烷基三甲基溴化铵(CTAB)修饰的蒙脱土(MMT)上,制备出Rh-TPPTS/CTAB-MMT负载型催化剂。采用XRD, FTIR, TG, BET,31P CP-MAS NMR和分散性实验对催化剂进行了表征。 结果表明:水溶性铑膦配合物成功地负载到有机MMT上,并且该催化剂在有机溶剂中具有很好的分散性。该催化剂对于1-癸烯的氢甲酰化反应具有好的催化活性。在100℃、4 MPa、甲苯为溶剂的条件下,催化1-癸烯氢甲酰化可获得93.0%的转化率,95.8%的醛的选择性,2.1的正异比,137 h-1的TOF值。
英文摘要:
      A supported Rh-TPPTS/CTAB-MMT catalyst was prepared by impregnating water-soluble rhodium phosphine complex (Rh-TPPTS) with montmorillonite (MMT) modified with cetyltrimethylammonium bromide (CTAB). The as-prepared catalyst was characterized by XRD, FTIR, TG, BET, 31P CP-MAS NMR, and dispersibility measurement. The results show that the water-soluble rhodium phosphine complex has been supported on the organic MMT successfully and this catalyst can be well dispersed in organic solvents. Moreover, this catalyst exhibits high activity in the hydroformylation of 1-decene. In the optimal reaction conditions (100 oC, 4 MPa syngas and toluene as solvent), the conversion of 1-decene was 93.0%, the selectivity and TOF (turnover frequency defined as the moles of aldehyde per mole Rh per hour) was 137 h-1.
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