Oxidation Catalyzed by Polyoxometalate-Anion-Intercalated Layred Compounds
多金属氧酸盐阴离子插层层状化合物催化的氧化
基本信息
- 批准号:05453106
- 负责人:
- 金额:$ 4.03万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for General Scientific Research (B)
- 财政年份:1993
- 资助国家:日本
- 起止时间:1993 至 1994
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Layred double hydroxides (LDH) consisting of Mg-Al, Zn-Al, and Ni-Al with the atomic ratios varied were prepared, and intercalated with heteropolyoxometalate anions including Mo or W as the addenda atom. It has been found rather difficult to insert SiW_<12>O_<40>^<4-> into the layr space of Zn-Al LDH with the Zn/Al ratio of 2. However, the insertion was promoted with decreasing Al/Zn ratio, To avoid decomposition of polyoxometalate, the pH during the insertion was kept at lower than 4, where the Zn-Al LDH was more stable than the Mg-Al LDH.Zn-Al LDHs intercalated with silicotungstates SiW_<12>O_<40>^<4->, SiW_<11>O_<39>^<8->, and SiW_9O_<34>^<10-> were prepared and the structure of the anions in the gallery space was examined by infrared spectroscopy. The SiW_<11>O_<39>^<8-> intercalate proved to be a good catalyst for olefin epoxidation with H_2O_2 as oxidant. In contrast, the SiW_<12>O_<40>^<4-> intercalate was effective in epoxidizing olefins with O_2-aldehyde, although it showed poor activity in the epoxidation with H_2O_2 Substitution of V for W of the addenda atom resulted in enhancement of activity for epoxidation with O_2-aldehyde. The Ni-Al LDH with no polyoxometalate included exhibited considerable activity in olefin epoxidation with O_2-aldehyde. Thus it has been suggested that the introduction of active metals into both the LDH itself and the gallery space may lead to emergence of bifunctional catalysis, which would be applied to novel catalytic reactions.
制备了由不同原子比的镁铝、锌铝和镍铝组成的层状双氢氧化物(LDH),并以Mo或W等杂多酸阴离子为插层原子。在锌铝比为2时,很难将SiW_<;12;O_t;4->;插入到锌铝LDH的层间距中。但是,随着Al/Al比的降低,插入被促进,为了避免多金属氧酸盐的分解,插入过程中的pH保持在4以下,其中,锌铝LDH比镁铝LDH更稳定。合成了4-gt;、Siw_<;11>;O_<;39>;^<;8-gt;和SiW_9O_<;34>;^<;10->;,并用红外光谱对其结构进行了表征。SiW_<;11>;O_<;39>;^<;8->;是以H_2O_2为氧化剂催化烯烃环氧化反应的良好催化剂。相反,SiW_<;12>;O_<;40>;^<;4->;4->;在H_2O_2环氧化反应中表现出较差的活性,但V取代W的活性增强。不含多金属氧酸盐的Ni-Al LDH催化剂在O_2-醛环氧化烯烃反应中表现出较高的活性。因此,活性金属的引入可能会导致双功能催化的出现,这将被应用于新的催化反应。
项目成果
期刊论文数量(16)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Takashi Tatsumi: "Polyoxometalate-Pillared Layered Double Hydroxides as Oxidation Catalysts" Biomaterials Organic and Intelligent Materials. 141-144 (1995)
Takashi Tatsumi:“多金属氧酸盐柱状层状双氢氧化物作为氧化催化剂”生物材料有机和智能材料。
- DOI:
- 发表时间:
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- 影响因子:0
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- 通讯作者:
T.Tatsumi and K.Yamamoto: "Polyoxometalate-pillared Layred Double Hydroxides as Oxidation Catalysts" Advanced Materials '93, II,A : Biomaterials, Organic and Intelligent Materials, ed.H.Aoki, et al., Trans.Mat.Res.Soc., Jpn., Volume 15A,Elsevier, Amsterda
T.Tatsumi 和 K.Yamamoto:“多金属氧酸盐柱状层状双氢氧化物作为氧化催化剂”先进材料 93,II,A:生物材料、有机和智能材料,ed.H.Aoki 等人,Trans.Mat.Res
- DOI:
- 发表时间:
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- 影响因子:0
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T.Tatsumi: "Polyoxometalate-pillared Layered Double Hydroxides as Oxidation Catalysts" Proceedings of the 3rd International Conference on Advanced Materials. 3. (1994)
T.Tatsumi:“多金属氧酸盐柱状层状双氢氧化物作为氧化催化剂”第三届先进材料国际会议论文集。
- DOI:
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- 影响因子:0
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辰巳 敬: "マイクロポーラス結晶による形状選択的触媒反応" 季刊 化学総説. 21. 100-112 (1994)
Takashi Tatsumi:“使用微孔晶体的形状选择性催化反应”化学评论季刊 21. 100-112 (1994)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
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Takashi Tatsumi: "Epoxidation of Alkenes Catalyzed by Decatungstate as Pillars in Layered Double Hydroxides" Stud.Surf.Sci,Catal.75. 1703-1706 (1993)
Takashi Tatsumi:“Decatungstate 作为层状双氢氧化物支柱催化烯烃的环氧化”Stud.Surf.Sci,Catal.75。
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- 影响因子:0
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TATSUMI Takashi其他文献
TATSUMI Takashi的其他文献
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{{ truncateString('TATSUMI Takashi', 18)}}的其他基金
Creation and diversification of novel porous materials with controllable nanospaces and sophisticated molecular recognition functions
具有可控纳米空间和复杂分子识别功能的新型多孔材料的创造和多样化
- 批准号:
19106015 - 财政年份:2007
- 资助金额:
$ 4.03万 - 项目类别:
Grant-in-Aid for Scientific Research (S)
Approach to High Performance Electrode Catalysts for DMFC
DMFC 高性能电极催化剂的研究方法
- 批准号:
13134203 - 财政年份:2001
- 资助金额:
$ 4.03万 - 项目类别:
Grant-in-Aid for Scientific Research on Priority Areas
DESIGN OF HIGHLY EFFICIENT LIQUID-PHASE OXIDATION CATALYSTS OF TITANOSILICATES THROUGH PRECISE CONTROL OF ZEOLITE STRCUTURES
通过精确控制沸石结构设计高效钛硅酸盐液相氧化催化剂
- 批准号:
13305056 - 财政年份:2001
- 资助金额:
$ 4.03万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Development of Novel Methods for Synthesizing Hydrophobic Metallosilicates
疏水性金属硅酸盐合成新方法的开发
- 批准号:
11555212 - 财政年份:1999
- 资助金额:
$ 4.03万 - 项目类别:
Grant-in-Aid for Scientific Research (B).
Hydrodesulfurization catalyzed by zeolite-supported
沸石负载催化加氢脱硫
- 批准号:
08455370 - 财政年份:1996
- 资助金额:
$ 4.03万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of liquid-phase oxidation processes by use of highly dispersed metal-metal oxide catalysts
使用高度分散的金属-金属氧化物催化剂开发液相氧化工艺
- 批准号:
07555247 - 财政年份:1995
- 资助金额:
$ 4.03万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Study on Shape Selectivity in Hydrocarbon Oxidation catalyzed by Zedites
沸石催化烃氧化的择形研究
- 批准号:
03453081 - 财政年份:1991
- 资助金额:
$ 4.03万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)
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