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OXIDE COMPOSITE

Foreign code F180009408
File No. K10703WO
Posted date Apr 20, 2018
Country WIPO
International application number 2017JP033378
International publication number WO 2018052103
Date of international filing Sep 15, 2017
Date of international publication Mar 22, 2018
Priority data
  • P2016-180502 (Sep 15, 2016) JP
Title OXIDE COMPOSITE
Abstract Provided is a transition metal oxide that has a novel morphology and is useful as a solid metal catalyst or as a support. An oxide composite comprises a mesoporous silica and a transition metal oxide and is characterized in that an amorphous transition metal oxide is present in film form on the surface of the mesoporous silica and on the interior surface of the pores of the mesoporous silica.
Outline of related art and contending technology BACKGROUND ART
Fixed to the carrier metal and solid metal-catalyzed reaction, the carrier can be greatly changed by the type of structure is known. For example, in the case of a gold catalyst, supported on anatase-type titanium oxide having a particle size greater than 2nm and the epoxy are a gold catalyst, supported on anatase-type titanium oxide having a particle size less than 2nm of the propane to propylene gold catalyst can be reduced. Rutile type titanium oxide carried on the gold catalyst is oxidized to carbon dioxide at high temperatures and propylene, acetone and propylene oxide is at a low temperature (non-patent document 1). Therefore, a solid metal catalyst of the catalyst activity and selectivity for a new draw is, the catalyst or catalyst carrier itself is a new form of metal oxides that may be important to develop.
On the other hand, mesoporous silica, the pores in a uniform and regular (mesopores) as the adsorbent material and the catalyst have been studied. For example, mesoporous metal oxide to ceria-zirconia solid solution carrying the catalyst have been reported (JP-1-3 or the like).
Scope of claims (In Japanese)[請求項1]
メソポーラスシリカと遷移金属酸化物とを含む酸化物複合体であって、メソポーラスシリカの表面及び細孔内表面にアモルファス状態の遷移金属酸化物が膜状に存在することを特徴とする酸化物複合体。
[請求項2]
前記酸化物複合体の表面で測定したX線回折測定において、2θ=20°以上50°以下の範囲に回折ピークが観測されない請求項1記載の酸化物複合体。
[請求項3]
前記酸化物複合体の表面で測定した元素分析において、λ>200nmの範囲に少なくとも1つ以上の吸収ピークが観測される請求項1又は2記載の酸化物複合体。
[請求項4]
前記メソポーラスシリカの表面水酸基量に対する前記酸化物複合体の表面水酸基量が、40モル%以上である請求項1~3のいずれか1項記載の酸化物複合体。
[請求項5]
前記遷移金属酸化物が、第4~第10族から選ばれる金属の酸化物である請求項1~4のいずれか1項記載の酸化物複合体。
[請求項6]
前記遷移金属酸化物が、酸化タンタル、酸化ニオブ、酸化チタン、酸化ジルコニウム及び酸化セリウムから選ばれる酸化物である請求項1~5のいずれか1項記載の酸化物複合体。
[請求項7]
請求項1~6のいずれか1項記載の酸化物複合体を含有する触媒。
[請求項8]
請求項1~6のいずれか1項記載の酸化物複合体を担体とする触媒。
[請求項9]
メソポーラスシリカと遷移金属アルコキシドとを非極性溶媒中で反応させる工程、及び得られた反応物を空気中で焼成する工程を含む、メソポーラスシリカと遷移金属酸化物とを含む酸化物複合体であって、メソポーラスシリカの表面及び細孔内表面にアモルファス状態の遷移金属酸化物が膜状に存在することを特徴とする酸化物複合体の製造法。
  • Applicant
  • ※All designated countries except for US in the data before July 2012
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • Inventor
  • NOMURA, Junko
  • OSUGA, Ryota
IPC(International Patent Classification)
Specified countries National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DJ DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS JO JP KE KG KH KN KP KR KW KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
Reference ( R and D project ) PRESTO Hyper-nano-space design toward Innovative Functionality AREA
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