合成了八羧基钴酞菁(Co-oaPc)和八羧基铁酞菁(Fe-oaPc) 两种水溶性酞菁,将这两种酞菁及两者按摩尔比为1:1混合的酞菁分别负载到阳离子改性的粘胶纤维上,制得3种金属酞菁负载纤维.测试其在溶液中对巯基乙醇的催化氧化性能发现这些负载纤维均具有催化氧化能力,而混合金属酞菁负载纤维的催化活性最高;通过在空气中对甲硫醇和H2S的消除实验,得到的结论相同.ESR测试表明,混合酞菁负载纤维可以观测到10个Co2+和Fe3+的超精细分裂线,表明其聚集的趋势较两种酞菁单独负载时弱,有利于甲硫醇和硫化氢分子与酞菁发生轴向配位,从而提高其催化活性.
参考文献
| [1] | Leznoff C C;Lever A B P.Phthalocyanines:Properties and Applications[M].Wiley-VCH:Cambridge,1996:1-4. |
| [2] | 沈永嘉.酞菁的合成与应用[M].北京:化学工业出版社,2000:166-183. |
| [3] | Fischer H;Schulz-Ekloff G;Wohrle D .[J].Chemical Engineering and Technology,1997,20(09):624-632. |
| [4] | Cao Y C;Jiang X Z .[J].Journal of Molecular Catalysis A:Chemical,2002,184(1-2):183-189. |
| [5] | Phougat N;Vasudevan P .[J].Journal of Power Sources,1997,69(1-2):161-163. |
| [6] | 曹育才,李建龙,姜玄珍.负载型钯酞菁催化剂上CCl2F2的选择性加氢脱氯反应[J].化工学报,2004(03):373-378. |
| [7] | Kudrik EV.;Makarov SV.;Zahl A.;van Eldik R. .Kinetics and mechanism of the cobalt phthalocyanine catalyzed reduction of nitrite and nitrate by dithionite in aqueous solution[J].Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics,2003(2):618-624. |
| [8] | 杨树卿;陈彬;邵允 .[J].催化学报,1990,12(06):459-464. |
| [9] | Shirai H;Maruyama A;Kobayashi K .[J].Makromolekulare Chemie,1980,181(03):575-584. |
| [10] | Boston D R;Bailiar J C .[J].Inorganic Chemistry,1972,11:1578-1583. |
| [11] | Shirai H;Tsuiki H;Masuda E et al.[J].Journal of Physical Chemistry,1991,95(01):417-423. |
| [12] | Nemykin V N;Chernii V A;Volkov S V et al.[J].Journal of Porphyrins and Phthalocyanines,1999,3(02):87-98. |
| [13] | Shirai H .[J].Journal of the Japan Society of Color Materials,1994,67:564-573. |
| [14] | 詹瑞云;张伟德;刘桂珍 等.[J].化学物理学报,1992,5(01):60-66. |
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