JP2961789B2 - Fats and oils oxidative decomposition catalyst - Google Patents
Fats and oils oxidative decomposition catalystInfo
- Publication number
- JP2961789B2 JP2961789B2 JP2055293A JP5529390A JP2961789B2 JP 2961789 B2 JP2961789 B2 JP 2961789B2 JP 2055293 A JP2055293 A JP 2055293A JP 5529390 A JP5529390 A JP 5529390A JP 2961789 B2 JP2961789 B2 JP 2961789B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- fats
- oils
- catalyst
- oxidative decomposition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003054 catalyst Substances 0.000 title claims description 31
- 239000003925 fat Substances 0.000 title claims description 10
- 239000003921 oil Substances 0.000 title claims description 10
- 238000006864 oxidative decomposition reaction Methods 0.000 title description 5
- 239000012784 inorganic fiber Substances 0.000 claims description 13
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 230000003647 oxidation Effects 0.000 claims description 10
- 238000010411 cooking Methods 0.000 claims description 6
- 229910000314 transition metal oxide Inorganic materials 0.000 claims description 2
- 239000011800 void material Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 20
- 230000007423 decrease Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 235000014593 oils and fats Nutrition 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- JGRAVNKMHZAGFR-UHFFFAOYSA-N [O-2].[Ce+3].[Cu]=O.[O-2].[Mn+2] Chemical compound [O-2].[Ce+3].[Cu]=O.[O-2].[Mn+2] JGRAVNKMHZAGFR-UHFFFAOYSA-N 0.000 description 1
- IYSZZDVKUXVSQY-UHFFFAOYSA-N [O-2].[Fe+2].[Cu]=O Chemical compound [O-2].[Fe+2].[Cu]=O IYSZZDVKUXVSQY-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Landscapes
- Cookers (AREA)
- Catalysts (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、調理器の庫内壁に適用可能な油脂類酸化分
解触媒体に関するものである。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a catalyst for oxidative decomposition of fats and oils applicable to the inner wall of a cooking appliance.
従来の技術 本発明者らはこの種の油脂類酸化分解触媒体（以下、
単に触媒体と称する）として第３図に示すような無機繊
維10と金属酸化物11からなる単一層の多孔体を適用し
て、その表面に付着した油脂類12を酸化分解するという
ものを研究してきた。2. Description of the Related Art The present inventors have proposed a catalyst for oxidative decomposition of oils and fats of this kind (hereinafter referred to as “catalyst”).
A single layer porous body composed of inorganic fibers 10 and metal oxides 11 as shown in Fig. 3 is applied as a catalyst body) to oxidatively decompose oils and fats 12 attached to the surface. I've been.
発明が解決しようとする課題 しかし、上記の構成では、反応中の局部加熱により無
機繊維同志のからみによる結合力が熱膨張収縮で弱ま
り、触媒体の強度が経時的に低下し形状の保持が困難に
なる課題があった。Problems to be Solved by the Invention However, in the above configuration, due to local heating during the reaction, the binding force due to the entanglement of the inorganic fibers weakens due to thermal expansion and contraction, and the strength of the catalyst body decreases over time, making it difficult to maintain the shape. There was a problem that became.
本発明は、上記従来の課題を解決するもので経時的な
強度低下を防止して形状の変化がない触媒体を提供する
ことを目的とする。An object of the present invention is to solve the above-mentioned conventional problems and to provide a catalyst body which does not change its shape by preventing a decrease in strength with time.
課題を解決するための手段 上記目的を達成するために、本発明は調理器の庫内壁
に用いるため無機繊維積層体の空隙に一種以上の遷移金
属酸化物を主成分とする酸化触媒体を露出状態で含有す
る第１層と無機繊維積層体のみからなる第２層とをこの
順序にて、圧着または接着し、前記第１層が前記調理器
の庫内に面するようにする構成とした。Means for Solving the Problems In order to achieve the above object, the present invention exposes an oxidation catalyst having one or more transition metal oxides as a main component in voids of an inorganic fiber laminate for use on the inner wall of a cooking appliance. The first layer contained in the state and the second layer consisting only of the inorganic fiber laminate were pressure-bonded or bonded in this order, so that the first layer faced the inside of the cooking appliance. .
作用 上記した手段により、酸化触媒体を露出状態で含有し
た無機繊維積層体からなる第１層が局部加熱しても前記
第１層とからみあった無機繊維積層体のみからなる第２
層は温度上昇が少なく強度が低下しないので、触媒体全
体の強度低下が防止できる。According to the above-mentioned means, the first layer made of the inorganic fiber laminate containing the oxidation catalyst body in an exposed state is the second layer made of only the inorganic fiber laminate entangled with the first layer even when locally heated.
Since the temperature of the layer is small and the strength does not decrease, the strength of the entire catalyst body can be prevented from decreasing.
実施例 以下、本発明の実施例について添付図面を参照しなが
ら説明する。Embodiments Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
第１図は本発明の触媒体の拡大断面図であり、１は直
径約８μｍ、長さ数mmの酸化アルミニウム、酸化けい素
を主成分とするセラミック繊維１からなる積層体の空隙
に酸化マンガン−酸化銅−酸化鉄からなる酸化触媒体２
を露出状態で含有する第１層３とセラミック繊維１の積
層体のみからなる第２層４を圧着成形した２層構造の触
媒体とした。FIG. 1 is an enlarged cross-sectional view of a catalyst body of the present invention, wherein 1 is a manganese oxide having a diameter of about 8 μm and a length of several mm in a laminate of a ceramic fiber 1 mainly composed of aluminum oxide and silicon oxide. -Oxidation catalyst 2 composed of copper oxide-iron oxide
Was exposed to the first layer 3 and the second layer 4 consisting of only the laminate of the ceramic fibers 1 was pressed and formed into a two-layer catalyst body.
前記触媒体において、第１層３は空隙率が50〜80％で
通気性が高いため反応に必要な酸素が供給されやすい。
また同層は油脂類12とは濡れ性がよいために局部に集中
することなく露出状態で含有する酸化触媒体２と均一に
接触するので300℃以下でも油脂類12を完全に酸化分解
する。In the catalyst, the first layer 3 has a porosity of 50 to 80% and a high air permeability, so that oxygen required for the reaction is easily supplied.
Further, since the same layer has good wettability with the fats and oils 12 and is in uniform contact with the oxidation catalyst 2 contained in an exposed state without concentrating locally, the fats and oils 12 are completely oxidatively decomposed even at 300 ° C. or lower.
これに対して第２層４は第１層３に局部加熱が起って
もあまり温度上昇せず、酸化触媒体を含有しないので無
機繊維１が焼結して形状変化を起こしたりしなく、触媒
体全体の強度は低下しなかった。On the other hand, the second layer 4 does not rise much in temperature even when local heating occurs in the first layer 3 and does not contain an oxidation catalyst, so that the inorganic fibers 1 do not sinter and change shape, The strength of the entire catalyst body did not decrease.
この触媒体を加熱調理器の庫内壁に適用すると、付着
した油脂類を完全に酸化分解することができた。When this catalyst body was applied to the inner wall of the cooking appliance, the attached fats and oils could be completely oxidatively decomposed.
次に本発明の他の実施例を第２図を用いて説明する。
第２図において、５はガラス繊維の積層体のみからなる
ハニカム状の第２層であり、その孔に酸化セリウム−酸
化銅−酸化マンガンからなる酸化触媒体を露出状態で含
有する通気孔７を有する第１層６を挿入して無機接着剤
（図示せず）で接着した触媒体である。Next, another embodiment of the present invention will be described with reference to FIG.
In FIG. 2, reference numeral 5 denotes a honeycomb-shaped second layer composed of only a glass fiber laminate, and a ventilation hole 7 containing an oxidation catalyst composed of cerium oxide-copper oxide-manganese oxide in an exposed state. This is a catalyst body in which the first layer 6 is inserted and bonded with an inorganic adhesive (not shown).
前記触媒体の温度を約300℃前後に保持して、空気と
霧状油脂類を含む流通を通気孔７に流すと、油脂類は酸
化分解し、繰り返し使用しても触媒体が破損することは
なかった。When the temperature of the catalyst body is maintained at about 300 ° C. and a flow containing air and atomized fats and oils is passed through the ventilation holes 7, the fats and oils are oxidized and decomposed, and the catalyst bodies are damaged even when used repeatedly. There was no.
なお、無機繊維としては、他にアルミナ（Al2O3）、
酸化ジルコニウム（ZrO2）繊維を用いてもよく、酸化触
媒体としては、他にマンガン（Mn）、鉄（Fe）、コバル
ト（Co）、ニッケル（Ni）、銅（Cu）のうちのいずれか
１種以上の酸化物または貴金属触媒体でもよい。In addition, as the inorganic fibers, alumina (Al 2 O 3 ),
Zirconium oxide (ZrO 2 ) fiber may be used, and the oxidation catalyst may be any one of manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), and copper (Cu). It may be one or more oxide or noble metal catalysts.
発明の効果 以上のように本発明の油脂類酸化分解触媒体によれ
ば、無機繊維積層体の空隙に１種以上の酸化触媒体を露
出状態で含有する第１層と無機繊維積層体のみからなる
第２層とを圧着または接着することにより酸化反応によ
る局部加熱などで強度低下しない触媒体を得ることがで
きる。Effect of the Invention As described above, according to the fats and oils oxidative decomposition catalyst of the present invention, only the first layer and the inorganic fiber laminate containing one or more kinds of oxidation catalysts in the voids of the inorganic fiber laminate are exposed. By press-bonding or bonding the resulting second layer, it is possible to obtain a catalyst body whose strength is not reduced by local heating or the like due to an oxidation reaction.
第１図は本発明の一実施例の油脂類酸化分解触媒体の拡
大断面図、第２図は他の実施例の拡大断面図、第３図は
従来の油脂類酸化分解触媒体の拡大断面図である。 １……セラミック繊維（無機繊維）、２……酸化触媒
体、３……第１層、４……第２層。FIG. 1 is an enlarged cross-sectional view of a fat and oil oxidative decomposition catalyst according to one embodiment of the present invention, FIG. 2 is an enlarged cross-sectional view of another embodiment, and FIG. FIG. 1 ... ceramic fiber (inorganic fiber), 2 ... oxidation catalyst, 3 ... first layer, 4 ... second layer.
フロントページの続き (72)発明者 脇 真起子 大阪府門真市大字門真1006番地 松下電 器産業株式会社内 (56)参考文献 特開 昭59−22650（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) B01J 21/00 - 38/74 Continuation of front page (72) Inventor Makiko Waki 1006 Kazuma Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References JP-A-59-22650 (JP, A) (58) .Cl. 6 , DB name) B01J 21/00-38/74
Claims (1)
体の空隙に１種以上の遷移金属酸化物を主成分とする酸
化触媒体を露出状態で含有する第１層と無機繊維積層体
のみからなる第２層とをこの順序にて、圧着または接着
し、前記第１層が前記調理器の庫内に面するようにする
構成とした油脂類酸化触媒分解体。1. A first layer and an inorganic fiber laminate, wherein the first layer contains at least one kind of an oxidation catalyst mainly composed of a transition metal oxide in a void of the inorganic fiber laminate for use on the inner wall of a cooking appliance. A fats and oils oxidation catalyst decomposed body having a configuration in which a second layer made of only the above is pressure-bonded or adhered in this order so that the first layer faces the interior of the cooking appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2055293A JP2961789B2 (en) | 1990-03-07 | 1990-03-07 | Fats and oils oxidative decomposition catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2055293A JP2961789B2 (en) | 1990-03-07 | 1990-03-07 | Fats and oils oxidative decomposition catalyst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03258348A JPH03258348A (en) | 1991-11-18 |
| JP2961789B2 true JP2961789B2 (en) | 1999-10-12 |
Family
ID=12994534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2055293A Expired - Fee Related JP2961789B2 (en) | 1990-03-07 | 1990-03-07 | Fats and oils oxidative decomposition catalyst |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2961789B2 (en) |
-
1990
- 1990-03-07 JP JP2055293A patent/JP2961789B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03258348A (en) | 1991-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |