JP4064992B2 - ベンゼン検出素子およびその製造方法 - Google Patents
ベンゼン検出素子およびその製造方法 Download PDFInfo
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- JP4064992B2 JP4064992B2 JP2005517626A JP2005517626A JP4064992B2 JP 4064992 B2 JP4064992 B2 JP 4064992B2 JP 2005517626 A JP2005517626 A JP 2005517626A JP 2005517626 A JP2005517626 A JP 2005517626A JP 4064992 B2 JP4064992 B2 JP 4064992B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28078—Pore diameter
- B01J20/28083—Pore diameter being in the range 2-50 nm, i.e. mesopores
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28095—Shape or type of pores, voids, channels, ducts
- B01J20/28097—Shape or type of pores, voids, channels, ducts being coated, filled or plugged with specific compounds
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3204—Inorganic carriers, supports or substrates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3244—Non-macromolecular compounds
- B01J20/3246—Non-macromolecular compounds having a well defined chemical structure
- B01J20/3257—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one of the heteroatoms nitrogen, oxygen or sulfur together with at least one silicon atom, these atoms not being part of the carrier as such
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3244—Non-macromolecular compounds
- B01J20/3246—Non-macromolecular compounds having a well defined chemical structure
- B01J20/3257—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one of the heteroatoms nitrogen, oxygen or sulfur together with at least one silicon atom, these atoms not being part of the carrier as such
- B01J20/3261—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one of the heteroatoms nitrogen, oxygen or sulfur together with at least one silicon atom, these atoms not being part of the carrier as such comprising a cyclic structure not containing any of the heteroatoms nitrogen, oxygen or sulfur, e.g. aromatic structures
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B37/00—Compounds having molecular sieve properties but not having base-exchange properties
- C01B37/02—Crystalline silica-polymorphs, e.g. silicalites dealuminated aluminosilicate zeolites
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0047—Organic compounds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/21—Hydrocarbon
- Y10T436/212—Aromatic
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- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
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- Food Science & Technology (AREA)
- Nanotechnology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Combustion & Propulsion (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Description
[図2]本発明の検出素子の特徴を示す図である。
[図3]本発明材料の製造方法のフローを示す図である。
[図4]実施例1において、本発明に使用する装置を説明する図である。
[図5A]実施例1において、図4に示す装置を使用して、ベンゼンガスの従来法による検出を行ったときのベンゼン、トルエン、およびo−キシレンの信号強度を比較した図である。
[図5B]実施例1において、図4に示す装置を使用して、ベンゼンガスの本発明による検出を行ったときのベンゼン、トルエン、およびo−キシレンの信号強度を比較した図である。
[図6A]実施例2において、ベンゼンの従来法による信号強度を示す図である。
[図6B]実施例2において、ベンゼンの本発明による信号強度を示す図である。
本発明のベンゼン検出素子は以下のように製造した。製造方法のフローを図3に示す。
実施例1と同様に、自動車排気ガスの検出を行った。排気ガスは湿度が80%以上となる場合もあり、気体中に含まれる分子の数では水が圧倒的に多く、従来の吸着剤を用いる検出法においては水の妨害が深刻な問題となる。しかし、本発明を用いた場合は、湿度に関わらずベンゼンのシグナルが極めて強く検出された(図6A−6B)。図6Aは従来のベンゼン検出素子の信号強度を表すグラフであり、図6Bは本発明のベンゼン検出素子の信号強度を表すグラフである。以上から、本発明を用いて、大気中の微量ベンゼンを選択的に高感度検出できることが示された。
本実験では、SBA−16とこれを修飾する有機官能基の組み合わせにより、ベンゼンの選択性の変化を検討した。
Claims (9)
- ベンゼンを選択的かつ高感度に検出するためのメソポーラスシリカからなるベンゼン検出素子であって、前記検出素子は、高秩序な周期的細孔構造を持ったナノサイズの細孔を有し、前記ナノサイズの細孔の壁面にサブナノサイズの細孔を有するものであり、前記ナノサイズの細孔は、半径0.15nmから50nmの孔径を有し、前記サブナノサイズの細孔は半径0.05から0.5nmの孔径を有し、かつ、前記細孔のうちの少なくともサブナノサイズの細孔は、フェニル基を有する有機ケイ素官能基またはシラノール基により修飾されていることを特徴とするベンゼン検出素子。
- 前記有機ケイ素官能基が、ジメチルフェニルシリルオキシ基(Me2PhSi−)であることを特徴とする請求項1に記載のベンゼン検出素子。
- 前記サブナノサイズの細孔は、立方晶構造を有し、半径1.5nmから2.0nmを有するナノサイズの細孔の壁面に、該ナノサイズの細孔を連結するような構造で存在すること特徴とする請求項1または2に記載のベンゼン検出素子。
- 細孔の鋳型となる物質としてEO100−PO65−EO100(EO:エチレンオキシド、PO:プロピレンオキシドであり、数字はブロックあたりの各分子の数である)を含む溶液を加熱し、これにシリカの前駆体を添加して沈殿を形成させ、前記沈殿を乾燥した後、焼結して、高秩序な周期的細孔構造を持ったナノサイズの細孔を有し、前記ナノサイズの細孔の壁面にサブナノサイズの細孔を有するベンゼン検出素子を得ることを特徴とするベンゼン検出素子の製造方法。
- 前記加熱が30℃〜130℃の温度範囲で行われることを特徴とする請求項4に記載のベンゼン検出素子の製造方法。
- 前記焼結が450℃〜600℃の温度で行われることを特徴とする請求項4に記載のベンゼン検出素子の製造方法。
- 前記ナノサイズの細孔は、半径0.15nmから50nmの孔径を有し、前記サブナノサイズの細孔は半径0.05から0.5nmの孔径を有することを特徴とする請求項4に記載のベンゼン検出素子の製造方法。
- 前記ベンゼン検出素子にフェニル基を有するシランカップリング剤を反応させ、少なくとも前記サブナノサイズの細孔にフェニル基を有する有機ケイ素官能基を導入することをさらに含む請求項4に記載のベンゼン検出素子の製造方法。
- 前記有機ケイ素官能基が、ジメチルフェニルシリル基であることを特徴とする請求項8に記載のベンゼン検出素子の製造方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004030556 | 2004-02-06 | ||
| JP2004030556 | 2004-02-06 | ||
| PCT/JP2004/018932 WO2005075954A1 (ja) | 2004-02-06 | 2004-12-17 | ベンゼン検出素子およびその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2005075954A1 JPWO2005075954A1 (ja) | 2007-08-02 |
| JP4064992B2 true JP4064992B2 (ja) | 2008-03-19 |
Family
ID=34836005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005517626A Expired - Lifetime JP4064992B2 (ja) | 2004-02-06 | 2004-12-17 | ベンゼン検出素子およびその製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7682564B2 (ja) |
| EP (1) | EP1712889B1 (ja) |
| JP (1) | JP4064992B2 (ja) |
| CN (1) | CN100549658C (ja) |
| WO (1) | WO2005075954A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013530924A (ja) * | 2010-07-20 | 2013-08-01 | カウンスィル オブ サイエンティフィック アンド インダストリアル リサーチ | 規則性メソポーラスチタノケイ酸塩およびその調製のための方法 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2632524C (en) | 2005-12-08 | 2014-10-14 | Queen's University At Kingston | Optical sensor using functionalized composite materials |
| CN100529754C (zh) * | 2006-11-10 | 2009-08-19 | 中国科学院山西煤炭化学研究所 | 一种分离苯及其同系物的方法 |
| JP4874946B2 (ja) * | 2007-12-18 | 2012-02-15 | 日本電信電話株式会社 | ガス濃縮セルおよびガス濃縮方法 |
| FR2933703B1 (fr) | 2008-07-11 | 2012-08-17 | Commissariat Energie Atomique | Detecteurs nanoporeux de composes aromatiques monocycliques et autres polluants |
| EP2743681A1 (en) * | 2012-12-13 | 2014-06-18 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | Fluorescence detector system for detection of an aromatic hydrocarbon |
| JP6736048B2 (ja) * | 2016-03-08 | 2020-08-05 | Eneos株式会社 | 触媒層、膜電極接合体、電解セル及び触媒層の製造方法 |
| JP6624515B2 (ja) * | 2016-06-30 | 2019-12-25 | 日本電信電話株式会社 | 揮発性有機化合物の検出方法及び検出装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5334368A (en) * | 1990-01-25 | 1994-08-02 | Mobil Oil Corp. | Synthesis of mesoporous oxide |
| US5364797A (en) * | 1993-05-20 | 1994-11-15 | Mobil Oil Corp. | Sensor device containing mesoporous crystalline material |
| US5849258A (en) * | 1996-06-06 | 1998-12-15 | Intevep, S.A. | Material with microporous crystalline walls defining a narrow size distribution of mesopores, and process for preparing same |
| JPH1062401A (ja) | 1996-06-10 | 1998-03-06 | Toyota Central Res & Dev Lab Inc | 液体クロマトグラフ用充填剤 |
| JP3761123B2 (ja) | 1998-07-16 | 2006-03-29 | 三菱電機株式会社 | ネットワークユニット |
| JP2000088827A (ja) | 1998-09-11 | 2000-03-31 | Hiroki Ri | 光学異性体分離用クロマトグラフィー用担体及びその製造法 |
| JP3583739B2 (ja) | 2000-08-22 | 2004-11-04 | 日本電信電話株式会社 | ガス分光分析用微小フローセルおよびその製造方法 |
| DE60327396D1 (de) * | 2002-08-30 | 2009-06-10 | Satoshi Sato | Kristallines inorganisches poröses Material |
-
2004
- 2004-12-17 EP EP04807290A patent/EP1712889B1/en not_active Expired - Lifetime
- 2004-12-17 US US10/547,460 patent/US7682564B2/en not_active Expired - Lifetime
- 2004-12-17 JP JP2005517626A patent/JP4064992B2/ja not_active Expired - Lifetime
- 2004-12-17 CN CNB2004800057042A patent/CN100549658C/zh not_active Expired - Lifetime
- 2004-12-17 WO PCT/JP2004/018932 patent/WO2005075954A1/ja not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013530924A (ja) * | 2010-07-20 | 2013-08-01 | カウンスィル オブ サイエンティフィック アンド インダストリアル リサーチ | 規則性メソポーラスチタノケイ酸塩およびその調製のための方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US7682564B2 (en) | 2010-03-23 |
| WO2005075954A1 (ja) | 2005-08-18 |
| CN1756946A (zh) | 2006-04-05 |
| CN100549658C (zh) | 2009-10-14 |
| EP1712889A1 (en) | 2006-10-18 |
| EP1712889B1 (en) | 2012-12-05 |
| US20060258015A1 (en) | 2006-11-16 |
| EP1712889A4 (en) | 2010-10-27 |
| JPWO2005075954A1 (ja) | 2007-08-02 |
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