JP2006007346A - Functional filamentous material and manufacturing method thereof - Google Patents

Functional filamentous material and manufacturing method thereof Download PDF

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JP2006007346A
JP2006007346A JP2004185504A JP2004185504A JP2006007346A JP 2006007346 A JP2006007346 A JP 2006007346A JP 2004185504 A JP2004185504 A JP 2004185504A JP 2004185504 A JP2004185504 A JP 2004185504A JP 2006007346 A JP2006007346 A JP 2006007346A
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functional
metal substrate
filamentous
filament
functional material
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JP4789055B2 (en
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Itaru Shibata
格 柴田
Yoshiko Hishitani
佳子 菱谷
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Nissan Motor Co Ltd
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<P>PROBLEM TO BE SOLVED: To provide a functional filamentous material, which includes a nano-level filamentous body on a metal substrate and contains a functional material to remarkably improve the chemical performance etc., while keeping the morphological characteristics, a manufacturing method thereof and a functional filamentous material manufacturing apparatus. <P>SOLUTION: This functional filamentous material includes the filamentous body coupled to the metal substrate, wherein one or both of the metal substrate and the filamentous body contains the functional material. The metal substrate includes elements such as Fe, Ni and Co. The filamentous material includes at least one kind of component element of the metal substrate. The functional material includes at least one kind of foreign component different from the component element of the filamentous body. A manufacturing method of functional filamentous material is provided. The metal substrate is heated to be locally fused, and the functional material is contained while the filamentous body is formed on the metal substrate to grow. This functional filamentous material manufacturing apparatus includes: a partition wall; a metal substrate installing chamber; and a functional material raw material setting chamber. The chambers are each provided with a gas feeding means, an exhaust means and a temperature control means. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、機能性糸状物及びその製造方法に係り、更に詳細には、ナノレベルの糸状体を金属基体に備え、その形態的特徴を維持しつつ、電気的、磁気的、光学的、熱的又は化学的及びこれらの任意の組み合わせに係る性能を格段に向上させ得るように機能性材料を含有させた機能性糸状物、その製造方法及び機能性糸状物製造装置に関する。ここで、ナノレベルの糸状体とは径が数ｎｍ〜数百ｎｍで、長さが１〜１０００μｍのものをいう。   The present invention relates to a functional yarn and a method for producing the same, and more specifically, a nano-level filament is provided on a metal substrate, and the electrical, magnetic, optical, thermal, and thermal properties of the metal substrate are maintained. TECHNICAL FIELD The present invention relates to a functional yarn containing a functional material so as to significantly improve the performance related to a physical or chemical and any combination thereof, a method for producing the same, and a functional yarn production device. Here, the nano-level filament has a diameter of several nm to several hundred nm and a length of 1 to 1000 μm.

従来より、糸状体は各種分野に応用・利用されており、また各種糸状体材料に対して、ＣＶＤ法を中心にその製造方法が提案されている。
例えば、強化材として有用な表面改質又は表面被覆を施したチタン化合物ウィスカー及びその製造方法が提案されている（例えば、特許文献１〜３参照。）。
特開平１０−４５５００号公報 特開平９−１５７０９６号公報 特開平６−１８３７３７号公報 Conventionally, filamentous bodies have been applied and used in various fields, and a manufacturing method has been proposed for various filamentous materials, mainly by the CVD method.
For example, a titanium compound whisker having a surface modification or surface coating useful as a reinforcing material and a production method thereof have been proposed (see, for example, Patent Documents 1 to 3).
JP-A-10-45500 Japanese Patent Laid-Open No. 9-157096 JP-A-6-183737

しかしながら、応用用途を考慮した場合には、単にナノレベルの糸状体のみでは形態的に使用が難しいと思われる。つまり、例えば糸状体を採取して微細粉体とみなし、各種粉体成形技術により強化材として使用したり、膜化することは想定されるが、糸状体の形態的特徴を損ねるなどの問題があった。一方で、形態的特徴を維持しつつ部材として成形するための製造方法は複雑となる場合があり問題があった。
また、単一物質もしくは単一形態の糸状体のみでは種々の機能を付与するには限界があり、例えば糸状体に形態的特徴を付与し、更に触媒活物質としての機能を付与することは一般に困難であった。
更に、糸状体がナノレベルに達する場合には、糸状体のサイズや密生程度にもよるが、糸状体自体や糸状体を金属基体に備えた金属基体に、その形態的特徴を維持しつつ、更に糸状体の成分元素と異なる機能性材料を含有させる方法は未だ提供されていない。 However, when application applications are taken into account, it seems that the use of the nano-level filaments is difficult in terms of form. In other words, for example, it is assumed that the filamentous body is collected and regarded as a fine powder and used as a reinforcing material or formed into a film by various powder molding techniques, but there are problems such as damage to the morphological characteristics of the filamentous body. there were. On the other hand, there is a problem that a manufacturing method for forming a member while maintaining morphological characteristics may be complicated.
In addition, there are limits to imparting various functions with only a single substance or a single form of filamentous material, for example, imparting morphological characteristics to a filamentous material, and further imparting a function as a catalyst active material in general. It was difficult.
Furthermore, when the filamentous body reaches the nano level, depending on the size of the filamentous body and the degree of denseness, while maintaining the morphological characteristics of the filamentous body itself or the metal substrate provided with the filamentous body on the metal substrate, Furthermore, a method for incorporating a functional material different from the constituent elements of the filamentous body has not yet been provided.

本発明は、このような従来技術の有する課題に鑑みてなされたものであり、その目的とするところは、ナノレベルの糸状体を金属基体に備え、その形態的特徴を維持しつつ、電気的、磁気的、光学的、熱的又は化学的及びこれらの任意の組み合わせに係る性能を格段に向上させ得るように機能性材料を含有させた機能性糸状物、その製造方法及び機能性糸状物製造装置を提供することにある。   The present invention has been made in view of such problems of the prior art, and an object of the present invention is to equip a metal substrate with a nano-level filament and maintain its morphological characteristics while maintaining electrical characteristics. , Magnetic, optical, thermal or chemical and functional yarn containing functional materials so that the performance related to any combination thereof can be remarkably improved, its production method, and production of functional yarn To provide an apparatus.

本発明者らは、上記目的を達成すべく、鋭意研究を重ねた結果、金属基体を加熱処理して該金属基体上に糸状体を形成させ、該金属基体及び／又は糸状体に該糸状体の成分元素と異なる少なくとも１種の異種成分を含有させることなどにより、上記目的が達成できることを見出し、本発明を完成するに至った。   As a result of intensive studies to achieve the above object, the inventors of the present invention heat-treated a metal substrate to form a filament on the metal substrate, and the metal substrate and / or the filament on the filament. It has been found that the above object can be achieved by including at least one different component different from the above component elements, and the present invention has been completed.

即ち、本発明の機能性糸状物は、金属基体と、該金属基体と結合した糸状体を備え、該金属基体及び／又は該糸状体に機能性材料を含有させて成る。
かかる金属基体は鉄、ニッケル及びコバルトから成る群より選ばれた少なくとも１種の元素を含む。また、糸状体は上記金属基体の成分元素の少なくとも１種を含む。更に、機能性材料は上記糸状体の成分元素と異なる少なくとも１種の異種成分を含む。 That is, the functional thread-like material of the present invention comprises a metal base and a thread-like body bonded to the metal base, and contains the functional material in the metal base and / or the thread-like body.
Such a metal substrate contains at least one element selected from the group consisting of iron, nickel and cobalt. Further, the filament includes at least one component element of the metal substrate. Further, the functional material includes at least one different component different from the component element of the filament.

また、本発明の機能性糸状物の製造方法は、上述の如き機能性糸状物を製造する方法であって、下記の工程（１）及び（２）を含む。
（１）：金属基体を加熱して局所的に溶融し、この金属基体上に糸状体を形成する工程
（２）：（１）工程中に、加熱気化した機能性材料を、かかる金属基体及び／又は糸状体に含有させる工程 Moreover, the manufacturing method of the functional filamentous material of this invention is a method of manufacturing the above functional filamentous material, Comprising: The following process (1) and (2) is included.
(1): Step of heating and locally melting a metal substrate to form a filament on the metal substrate (2): The functional material heated and vaporized during the step (1) / Or the process of making it contain in a filamentous body

更に、本発明の機能性糸状物製造装置は、上述の如き機能性糸状物を製造する装置であって、隔壁で分離された金属基体設置用チャンバと機能性材料原料設置用チャンバとを備える。かかる隔壁は開閉可能であり、金属基体設置用チャンバと機能性材料原料設置用チャンバとは、それぞれがガス供給手段、排気手段及び温度制御手段を更に備える。   Furthermore, the functional filamentous material production apparatus of the present invention is a device for producing the functional filamentous material as described above, and includes a metal substrate installation chamber and a functional material raw material installation chamber separated by a partition wall. The partition walls can be opened and closed, and the metal substrate installation chamber and the functional material raw material installation chamber further include gas supply means, exhaust means, and temperature control means, respectively.

本発明によれば、金属基体を加熱処理して該金属基体に糸状体を形成させ、該金属基体及び／又は糸状体に該糸状体の成分元素と異なる少なくとも１種の異種成分を含有させることなどとしたため、ナノレベルの糸状体を金属基体に備え、その形態的特徴を維持しつつ、電気的、磁気的、光学的、熱的又は化学的な性能を向上させ得るように機能性材料を含有させた機能性糸状物、その製造方法及び機能性糸状物製造装置を提供することができる。   According to the present invention, the metal substrate is heat-treated to form a filamentous body on the metal substrate, and the metal substrate and / or the filamentous body contains at least one different component different from the component elements of the filamentous body. As a result, functional materials are provided so that a nano-level filament can be provided on a metal substrate and the electrical, magnetic, optical, thermal, or chemical performance can be improved while maintaining its morphological characteristics. It is possible to provide a functional filamentous material, a production method thereof, and a functional filamentous material production apparatus.

以下、本発明の機能性糸状物について詳細に説明する。
上述の如く、本発明の機能性糸状物は、金属基体と、該金属基体と結合した糸状体を備え、該金属基体及び該糸状体の一方又は双方に機能性材料を含有させて成る。
また、成分的には、金属基体は鉄（Ｆｅ）、ニッケル（Ｎｉ）又はコバルト（Ｃｏ）及びこれらの任意の組み合わせに係る元素を含み、糸状体は金属基体の成分元素の少なくとも１種を含み、機能性材料は糸状体の成分元素と異なる少なくとも１種の異種成分を含む。
ここで、本発明における「機能性材料の含有」の態様としては、物理的には、機能性材料を表面に付着させる、更に被覆する場合、内部に侵入（内在）させる場合、更にはこれらが組み合わされた場合などが挙げられる。また、それらの形態は粒子又は連続層若しくは不連続層である場合などが挙げられる。一方で、化学的には、機能性材料自体で存在する場合又は糸状物等の成分元素との複合化合物で存在する場合、更にはこれらが組み合わされた場合などが挙げられる。 Hereinafter, the functional filamentous material of the present invention will be described in detail.
As described above, the functional thread-like material of the present invention includes a metal base and a thread-like body bonded to the metal base, and a functional material is contained in one or both of the metal base and the thread-like body.
Further, in terms of components, the metal substrate includes elements related to iron (Fe), nickel (Ni), cobalt (Co), and any combination thereof, and the filament includes at least one component element of the metal substrate. The functional material includes at least one different component different from the component elements of the filamentous body.
Here, as an aspect of “containing a functional material” in the present invention, physically, when the functional material is adhered to the surface, further covered, or penetrated into the inside (internal), these are further included. The case where it combines is mentioned. Moreover, the case where it is a particle | grain, a continuous layer, or a discontinuous layer etc. is mentioned. On the other hand, chemically, the functional material itself may be present, or it may be present as a composite compound with a component element such as a filamentous material, or a combination thereof.

まず、本発明の基体付き機能性糸状物の形態的特徴について説明する。図１は、本発明の機能性糸状物の一例を示す概念斜視図である。同図に示すように、機能性糸状物１は、金属基体１０と多数の糸状体２０とが結合した形態を有し、金属基体１０や糸状体２０に機能性材料３０が含有されている。また、糸状体２０は茎部２２と球状頭部２４とが結合した形態を有する。   First, the morphological features of the functional yarn with a substrate of the present invention will be described. FIG. 1 is a conceptual perspective view showing an example of the functional filamentous material of the present invention. As shown in the figure, the functional thread 1 has a form in which a metal substrate 10 and a large number of filaments 20 are combined, and the functional material 30 is contained in the metal substrate 10 and the filaments 20. The filament 20 has a form in which a stem 22 and a spherical head 24 are combined.

ここで、茎部２２の形状は、同図に示すように湾曲したワイヤ状をなしている。また具体的な形状を別個には図示しないが、湾曲せずにほぼ円柱状をなしている場合もある。これら断面は必ずしも真円である必要はなく、その太さも長さ方向に亘って一様である必要はなく、同図に示すように多数の糸状体を備える場合には、これらに関して同一の太さを有する必要もない。更には、一回転以上巻回している場合もある。   Here, the shape of the stem portion 22 has a curved wire shape as shown in FIG. In addition, although a specific shape is not separately illustrated, there is a case where the shape is substantially cylindrical without being curved. These cross-sections do not necessarily have a perfect circle, and the thickness thereof does not need to be uniform over the length direction, and when a large number of filaments are provided as shown in FIG. There is also no need to have it. Furthermore, it may be wound more than once.

また、球状頭部２４の形状は、必ずしも真球である必要はなく、楕円球（楕円体）や対称性が若干崩れた曲面から構成される曲面体などであってもよい。
そして、球状頭部２４の形状は、代表的には同図に示すように最短径（真球の場合は直径）が、茎部２２の最長径（断面が真円の場合は直径）よりも大きく、糸状体２０の全体の形状としては、いわゆる頭でっかちの形状をなしている。 Further, the shape of the spherical head 24 is not necessarily a true sphere, and may be an elliptical sphere (ellipsoid) or a curved body formed of a curved surface with slightly broken symmetry.
The shape of the spherical head 24 is typically such that the shortest diameter (diameter in the case of a true sphere) is larger than the longest diameter of the stem portion 22 (diameter in the case of a perfect circle) as shown in FIG. Largely, the entire shape of the filament 20 has a so-called head-like shape.

なお、図示しないが球状頭部２４の形状において、その最短径（真球の場合は直径）が、茎部２２の最長径（断面が真円の場合は直径）と同じ又はより小さい場合、更にはこの球状頭部２４は適当な処理、例えばエッチング処理等を施せば単独で取り出すことも可能であり、図示しないが球状頭部２４を有しない糸状体２０を備える場合もあり、これらの場合も本発明の範囲に含まれる。   Although not shown, in the shape of the spherical head 24, when the shortest diameter (diameter in the case of a true sphere) is equal to or smaller than the longest diameter (diameter in the case of a perfect circle) of the stem 22, The spherical head 24 can be taken out alone by performing an appropriate process, for example, an etching process, etc. Although not shown, the threaded body 20 not having the spherical head 24 may be provided. It is included in the scope of the present invention.

また、上述した「機能性材料の含有」の態様を図面を用いて詳細に説明する。図２は、本発明の機能性糸状物の典型例を示す概念拡大図である。同図（Ａ）に示すように、金属基体１０や糸状体２０の表面に機能性材料３０が付着する場合がある。また、同図（Ｂ）に示すように、金属基体１０や糸状体２０の内部に機能性材料３０が侵入する場合がある。更に、同図（Ｃ）に示すように、糸状体２０の表面に機能性材料３０が被覆される場合がある。
ここで、図３に、図２（Ｃ）の場合（実施例１の場合）、即ち機能性糸状体１の茎部２２（図中ｃ）に機能性材料３０（図中ｄ）が被覆され、機能性材料膜が形成された場合の透過型電子顕微鏡（ＴＥＭ）写真を示す。また、図４に、図３のＸ線写真を示す。明瞭なラウエ斑点が観測されることから糸状体２０の茎部２２の結晶性が良いことも分かる。 Further, the above-described “functional material inclusion” mode will be described in detail with reference to the drawings. FIG. 2 is a conceptual enlarged view showing a typical example of the functional filamentous material of the present invention. As shown in FIG. 2A, the functional material 30 may adhere to the surface of the metal substrate 10 or the filament 20. In addition, as shown in FIG. 2B, the functional material 30 may enter the metal base 10 or the filament 20. Furthermore, as shown in FIG. 3C, the functional material 30 may be coated on the surface of the filament 20.
Here, in FIG. 3 (C), the functional material 30 (d in the drawing) is coated on the stem 22 (c in the drawing) of the functional filament 1 in the case of FIG. 2 (C). The transmission electron microscope (TEM) photograph when a functional material film is formed is shown. FIG. 4 shows the X-ray photograph of FIG. From the fact that clear Laue spots are observed, it can also be seen that the crystallinity of the stem portion 22 of the filament 20 is good.

一方、詳しくは後述するが機能性材料の種類によって、その含有の態様には好適なものが存在するものと考えられる。したがって、要求される性能に応じて多数の糸状体へ機能性材料を含有させる場合に、その態様を好適なものにそろえることが望ましいが、望みの性能を向上をさせることができれば、特に限定されるものではなく、図示しないが、例えば部分的又は全体に亘って同図（Ａ）、（Ｂ）及び（Ｃ）で示した場合が混在していてもよい。   On the other hand, although it will be described in detail later, it is considered that there are suitable ones of the content depending on the type of the functional material. Therefore, when the functional material is contained in a large number of filaments according to the required performance, it is desirable to arrange the mode to a suitable one, but it is particularly limited if the desired performance can be improved. Although not shown, although not shown, for example, the cases shown in FIGS. (A), (B), and (C) may be mixed partially or entirely.

本発明の機能性糸状物において、金属基体１０は金属繊維焼結体、金属箔、金属圧延箔又は金属エッチング箔及びこれらの任意の組み合わせであってもよいが、糸状体２０を密生成長させるという観点から、金属基体１０の少なくとも一部が多孔質であることが望ましく、金属基体１０自体が表面積の大きな多孔体であることがより望ましい。なお、本発明の機能性糸状物においては、金属基体上に結合した糸状体の数は単数又は複数など特に限定されるものではないが、機能性糸状物に大表面積が要求される場合や糸状体の密生成長が要求される場合には、多数の糸状体を備えることが望ましい。   In the functional filamentous material of the present invention, the metal substrate 10 may be a metal fiber sintered body, a metal foil, a metal rolled foil, or a metal etching foil, and any combination thereof, but it is said that the filament 20 is densely formed and lengthened. From the viewpoint, at least a part of the metal substrate 10 is desirably porous, and the metal substrate 10 itself is more desirably a porous body having a large surface area. In the functional filamentous material of the present invention, the number of filamentous bodies bonded on the metal substrate is not particularly limited, such as one or a plurality. However, when the functional filamentous material requires a large surface area, When a dense body length is required, it is desirable to provide a large number of filaments.

図５は、本発明の機能性糸状物の好適形態の一例を示す概念斜視図である。同図に示すように、金属基体（金属粉焼結体）１０は金属粉を焼結した多孔体であり、この金属基体１０は糸状体２０を有し、機能性材料３０が付着されている。このように、糸状物２０と同程度大きさの機能性材料３０を付着させる場合にも、例えば機能性材料３０を白金等の貴金属とし、触媒として用いた場合には、糸状体２０により、機能性材料３０の移動は阻害され、貴金属触媒の劣化の一因であるシンタリングを防止ないし抑制することができる。   FIG. 5 is a conceptual perspective view showing an example of a preferred embodiment of the functional filamentous material of the present invention. As shown in the figure, a metal substrate (metal powder sintered body) 10 is a porous body obtained by sintering metal powder, and this metal substrate 10 has a thread-like body 20 to which a functional material 30 is attached. . As described above, even when the functional material 30 having the same size as that of the filamentous material 20 is adhered, for example, when the functional material 30 is made of a noble metal such as platinum and used as a catalyst, the filamentous material 20 causes the functional material 30 to function. The movement of the conductive material 30 is inhibited, and sintering, which is a cause of deterioration of the noble metal catalyst, can be prevented or suppressed.

図６は、本発明の機能性糸状物の他の好適形態の一例を示す概念斜視図である。同図に示すように、金属基体（金属繊維焼結体）は、金属繊維を焼結したものであり、この金属基体は糸状体を有し、機能性材料が付着ないし被覆されている。このような構造を有すると、例えば触媒活性を有し大表面積を有するフィルターとして使用することができる。   FIG. 6 is a conceptual perspective view showing an example of another preferred embodiment of the functional thread-like material of the present invention. As shown in the figure, the metal substrate (metal fiber sintered body) is obtained by sintering metal fibers. The metal substrate has a thread-like body, and a functional material is attached or coated thereon. With such a structure, it can be used, for example, as a filter having catalytic activity and a large surface area.

本発明の機能性糸状物において、茎部２２の最長径は代表的には５〜５００ｎｍで、その長さは０．０１〜１ｍｍである。
更に、金属基体１０や糸状体２０の表面に付着する場合の機能性材料３０の粒子径は代表的には２〜５０ｎｍで、被覆する場合の機能性材料の層厚は代表的には１０〜５０ｎｍである。一方、金属基体１０に内在する場合には、代表的には表面からの深さ１〜５ｍｍまでに存在し、また糸状体２０に内在する場合には、代表的には表面からの深さ１〜５ｎｍまでに存在する。 In the functional filamentous material of the present invention, the longest diameter of the stem portion 22 is typically 5 to 500 nm, and the length is 0.01 to 1 mm.
Furthermore, the particle diameter of the functional material 30 when attached to the surface of the metal substrate 10 or the filament 20 is typically 2 to 50 nm, and the layer thickness of the functional material when coated is typically 10 to 10 nm. 50 nm. On the other hand, when it is present in the metal substrate 10, it is typically present at a depth of 1 to 5 mm from the surface, and when it is present in the filament 20, typically a depth 1 from the surface. Present up to ~ 5 nm.

次に、本発明の機能性糸状物の成分などについて説明する。
機能性糸状物１において、金属基体１０はＦｅ、Ｎｉ又はＣｏ及びこれらの任意の組み合わせに係る元素を含む。糸状体の形態的特徴を維持しながら、換言すれば形態的特徴を損なわないように活用して、ＦｅやＮｉ、Ｃｏを含む金属基体上に糸状体を結合させる場合には、このような金属基体を用いることができる。
また、詳しくは後述する製造方法により機能性糸状物は得られるので、加熱処理によって金属基体１０は局所的に溶融する温度まで加熱される。
また、金属基体１０がマンガン（Ｍｎ）、ケイ素（Ｓｉ）又はクロム（Ｃｒ）及びこれらの組み合わせに係る元素を更に含有することもできる。 Next, components of the functional filamentous material of the present invention will be described.
In the functional thread 1, the metal substrate 10 includes elements related to Fe, Ni, Co, and any combination thereof. When maintaining the morphological characteristics of the filamentous body, in other words, making use of the morphological characteristics so as not to impair the morphological characteristics, and bonding the filamentous body onto a metal substrate containing Fe, Ni, Co, such a metal A substrate can be used.
In addition, since a functional filamentous material can be obtained by a manufacturing method described later in detail, the metal substrate 10 is heated to a temperature at which it is locally melted by heat treatment.
Moreover, the metal base | substrate 10 can further contain the element which concerns on manganese (Mn), silicon (Si), chromium (Cr), and these combination.

また、機能性糸状物１において、糸状体２０は、詳しくは後述するが金属基体１０から製造されるので、その茎部２２及び球状頭部２４は金属基体１０の成分元素の少なくとも１種を含む。
糸状体の大部分は金属基体の成分元素の少なくとも１種を含有する金属酸化物から成ることが望ましい。
ここで、「大部分」とは、糸状体２０の茎部２２はこのような金属酸化物であり、一方球状頭部２４は金属酸化物ないし合金を形成している。金属基体の成分元素はＦｅ、Ｎｉ、Ｃｏ、Ｍｎ、Ｓｉ又はＣｒ及びこれらの任意の組み合わせに係る成分元素を含むことが好ましいが、これに限定されるものではなく、特に球状頭部２４は種々の合金元素や不可避不純物である元素を含む場合がある。 In the functional thread 1, the filament 20 is manufactured from the metal substrate 10, which will be described in detail later. Therefore, the stem portion 22 and the spherical head 24 contain at least one component element of the metal substrate 10. .
Most of the filamentous body is desirably made of a metal oxide containing at least one component element of the metal substrate.
Here, “most” means that the stem portion 22 of the filament 20 is such a metal oxide, while the spherical head 24 forms a metal oxide or alloy. The constituent elements of the metal substrate preferably include constituent elements relating to Fe, Ni, Co, Mn, Si or Cr, and any combination thereof, but are not limited to this. In some cases, an alloy element or an element that is an inevitable impurity is included.

更に、機能性糸状物１において、機能性材料３０は、糸状体２０の成分元素と異なる少なくとも１種の異種成分を含むことを要する。
つまり、本発明の骨子が、基体付き糸状体に、その形態的特徴を維持しつつ、電気的、磁気的、光学的、熱的又は化学的及びこれらの任意の組み合わせに係る性能を格段に向上させるために機能性材料を含有させるものだからである。
機能性材料３０は、形態として粒子や連続層又は不連続層等を形成すると上述したが、これらは成分的には１種又は複数種の場合があり、複数種含む場合であって粒子のときには混合物の場合や複合化合物の場合がある。また、複数種含む場合であって層構造を形成するときには多層構造を形成する場合がある。更に、これらが組み合わされた場合もある。 Further, in the functional thread 1, the functional material 30 needs to contain at least one different component different from the component elements of the filament 20.
In other words, the essence of the present invention significantly improves the performance of electrical, magnetic, optical, thermal, chemical, and any combination thereof while maintaining the morphological characteristics of the filament with a substrate. This is because the functional material is contained in order to make it.
As described above, the functional material 30 forms particles, a continuous layer, a discontinuous layer, or the like as a form. However, these components may be one or a plurality of types and may include a plurality of types. It may be a mixture or a complex compound. In addition, when a plurality of types are included and a layer structure is formed, a multilayer structure may be formed. Furthermore, these may be combined.

次に、本発明の機能性糸状物の製造方法について詳細に説明する。
上述の如く、本発明の機能性糸状物の製造方法は、上述の如き機能性糸状物を製造する方法であって、下記の工程（１）及び（２）を含む。
（１）：金属基体を加熱して局所的に溶融し、この金属基体上に糸状体を形成する工程
（２）：（１）工程中に、加熱気化した機能性材料を、かかる金属基体及び糸状体の一方又は双方に含有させる工程
ここで、「局所的に溶融」とは、金属基体が加熱され、局所的に溶融もしくは元素が拡散し易くなり、且つ金属基体に含まれる元素を揮発させることである。 Next, the method for producing the functional filamentous material of the present invention will be described in detail.
As described above, the method for producing a functional yarn-like material of the present invention is a method for producing the functional yarn-like material as described above, and includes the following steps (1) and (2).
(1): Step of heating and locally melting a metal substrate to form a filament on the metal substrate (2): The functional material heated and vaporized during the step (1) Step of inclusion in one or both of the filaments Here, “locally melted” means that the metal substrate is heated, the molten material is easily melted or diffused locally, and the elements contained in the metal substrate are volatilized. That is.

工程（１）において、金属基体を加熱して局所的に溶融して、金属基体上に糸状体を形成させ、工程（２）において、即ち工程（１）中に加熱気化した機能性材料を形成・成長する糸状体、更には金属基体に含有させることにより、機能性材料の含有の態様を上述の如き所望のものとすることができる。
工程（２）を工程（１）中のどの時点で実施するかにより、機能性材料の含有の態様を種々変えることができ、例えば工程（１）中の前半で工程（２）を実施すると金属基体や糸状体に含有させることができ、後半で工程（２）を実施すると糸状体のみに含有させることができる。また、工程（２）を複数回に別けて実施することもできる。 In step (1), the metal substrate is heated and locally melted to form a filament on the metal substrate, and in step (2), that is, the functional material heated and vaporized in step (1) is formed. -By making it contain in the growing filamentous body, and also a metal base | substrate, the aspect of containing a functional material can be made into the desired thing as mentioned above.
Depending on when the step (2) is performed in the step (1), the mode of containing the functional material can be variously changed. For example, when the step (2) is performed in the first half of the step (1), the metal It can be contained in the substrate or the filamentous body, and when the step (2) is carried out in the latter half, it can be contained only in the filamentous body. Moreover, a process (2) can also be implemented in several steps.

例えば工程（１）より後に工程（２）を実施する場合にも、糸状体が密生していない場合などには機能性材料を含有させることは可能であるが、このように糸状体の形態が限定的なものであり、更にその含有の態様は限定されると考えられる。
一方、従来公知の通常の真空成膜や湿式成膜などの方法によって、工程（１）より後に機能性材料の含有工程を実施する場合には、例えば多数のナノレベルの糸状体が密生成長している場合に、金属基体の表面や糸状体の表面、特に糸状体同士の隙間に望みの態様で機能性材料を含有させることは難しい。 For example, when the step (2) is performed after the step (1), it is possible to contain a functional material when the filamentous body is not densely formed. It is considered to be limited, and further, the mode of its inclusion is considered to be limited.
On the other hand, when the functional material containing step is performed after the step (1) by a conventionally known method such as normal vacuum film formation or wet film formation, for example, a large number of nano-level filaments are densely formed. In such a case, it is difficult to incorporate the functional material in the desired manner on the surface of the metal substrate or the surface of the filamentous body, particularly the gap between the filamentous bodies.

工程（１）の加熱継続時間としては、用いる金属基体の成分や雰囲気、加熱温度及び意図する糸状体の大きさなどにも影響を受けるが、通常は３０〜６０分間で十分である。
また、工程（１）及び工程（２）において、金属基体や機能性材料原料の置かれる雰囲気は特に限定されるものではなく、例えば微量酸素（例えば０．１〜５ｐｐｍ）を含む不活性ガス導入しながら上記工程を実施することが望ましいが、例えば金属基体の周りを１０００〜１００００Ｐａの真空状態として上記工程を実施してもよい。 The heating duration in the step (1) is usually 30 to 60 minutes, although it is influenced by the components and atmosphere of the metal substrate to be used, the heating temperature and the intended size of the filamentous body.
In step (1) and step (2), the atmosphere in which the metal substrate and the functional material raw material are placed is not particularly limited. For example, an inert gas containing a trace amount of oxygen (for example, 0.1 to 5 ppm) is introduced. However, it is desirable to carry out the above process, but the above process may be carried out, for example, with a vacuum around 1000 to 10,000 Pa around the metal substrate.

また、本発明の機能性糸状物の製造方法は、金属基体の表面に、予め（工程（１）より先に）部分的に酸化被膜を形成する工程（３）を付加してもよい。
このように金属基体の表面に部分的に酸化被膜を形成させることによって、表面に凹凸を形成することができ、その結果、表面積の向上させることができ、更には糸状体の密生成長が可能となる。 In the method for producing a functional filamentous material of the present invention, a step (3) of partially forming an oxide film in advance (before step (1)) may be added to the surface of the metal substrate.
By partially forming an oxide film on the surface of the metal substrate in this way, it is possible to form irregularities on the surface, and as a result, it is possible to improve the surface area and further to enable the dense formation of filamentous bodies. Become.

更に、本発明の機能性糸状物の製造方法において、金属基体を局所的に溶融させる温度と、機能性材料原料を加熱気化させる温度とを異なる温度に設定することにより、糸状体の成分元素と異なる機能性材料を容易に含有させることができ望ましい。
一方、金属基体を局所的に溶融させる圧力と、機能性材料原料を加熱気化させる圧力とを異なる圧力に設定することによっても、糸状体の成分元素と異なる機能性材料を容易に含有させることができ望ましい。また、温度及び圧力の双方を異なる条件に設定してもよい。このような設定とすることによっても、機能性材料の含有の態様（例えば、図２参照。）を種々変化させることができる。
なお、「機能性材料原料」とは、機能性材料とほぼ同じ意味である。つまり、機能性材料原料はそのまま機能性材料として含有される場合や機能性材料原料が例えば上述したような雰囲気中の酸素によって酸化された状態で機能性材料として含有される場合などがある。 Furthermore, in the method for producing a functional filamentous material of the present invention, by setting the temperature at which the metal substrate is locally melted and the temperature at which the functional material raw material is heated and vaporized to different temperatures, It is desirable that different functional materials can be easily contained.
On the other hand, by setting the pressure for locally melting the metal substrate and the pressure for heating and vaporizing the functional material raw material to different pressures, a functional material different from the constituent elements of the filament can be easily contained. This is desirable. Further, both temperature and pressure may be set to different conditions. The setting of the functional material (see, for example, FIG. 2) can be variously changed also by such setting.
The “functional material raw material” has almost the same meaning as the functional material. That is, the functional material raw material may be included as a functional material as it is, or the functional material raw material may be included as a functional material in a state oxidized by oxygen in the atmosphere as described above, for example.

次に、本発明の機能性糸状物製造装置（以下、「製造装置」と略記する。）について詳細に説明する。
上述の如く、本発明の製造装置は、本発明の機能性糸状物の製造方法に用いることができる装置であって、隔壁と、金属基体設置用チャンバと、機能性材料原料設置用チャンバとを備える。金属基体設置用チャンバと機能性材料原料設置用チャンバとが所定の隔壁で分離され配置されていれば特にその他の配置に関しては限定されるものはないが、機能性材料原料設置用チャンバの上に、金属基体設置用チャンバが配置されていることが望ましい。これは、機能性材料原料を加熱して機能性材料を揮発させ、金属基体や糸状体に機能性材料を供給する際に、暖気が上昇するという効果を利用することは効率的だからである。
また、金属基体設置用チャンバと機能性材料原料設置用チャンバとが、それぞれガス供給手段、排気手段及び温度制御手段を備える。
ここで、隔壁は、金属基体設置用チャンバと機能性材料原料設置用チャンバとを分離し、必要に応じて結合する機能を果たすもの、つまり開閉可能なものである。 Next, the functional filamentous product manufacturing apparatus (hereinafter abbreviated as “manufacturing apparatus”) of the present invention will be described in detail.
As described above, the production apparatus of the present invention is an apparatus that can be used in the method of producing the functional filamentous material of the present invention, and includes a partition, a metal substrate installation chamber, and a functional material raw material installation chamber. Prepare. As long as the metal substrate installation chamber and the functional material raw material installation chamber are separated from each other by a predetermined partition wall, there is no particular limitation on the other arrangements. Desirably, a chamber for installing a metal substrate is disposed. This is because it is efficient to use the effect that warm air rises when heating the functional material raw material to volatilize the functional material and supplying the functional material to the metal substrate or the filamentous body.
Further, the metal substrate installation chamber and the functional material raw material installation chamber each include gas supply means, exhaust means, and temperature control means.
Here, the partition wall has a function of separating the metal substrate installation chamber and the functional material raw material installation chamber and combining them as necessary, that is, can be opened and closed.

図７は、本発明の製造装置の一実施形態を示す構成断面図である。同図に示すように、この製造装置１００は、隔壁の一例であるシャッター１２０と、金属基体設置用チャンバ１１０ａと機能性材料原料設置用チャンバ１１０ｂとを備える。また、チャンバ１１０ａとチャンバ１１０ｂは、それぞれがガス供給手段１３０ａとガス供給手段１３０ｂ、排気手段の一例である排気ポンプ１４０ａと排気ポンプ１５０ｂ、及び温度制御手段の一例であるヒータ１５０ａとヒータ１５０ｂを備える。   FIG. 7 is a structural sectional view showing an embodiment of the manufacturing apparatus of the present invention. As shown in the figure, the manufacturing apparatus 100 includes a shutter 120, which is an example of a partition, a metal substrate installation chamber 110a, and a functional material raw material installation chamber 110b. Each of the chamber 110a and the chamber 110b includes a gas supply unit 130a and a gas supply unit 130b, an exhaust pump 140a and an exhaust pump 150b that are examples of an exhaust unit, and a heater 150a and a heater 150b that are examples of a temperature control unit. .

また、ガス供給手段１３０ａ及び１３０ｂは、それぞれがコック１６０ａ及び１６０ｂを介して、チャンバ１１０ａ及び１１０ｂと連結されている。本例の場合には、チャンバ１１０ａ及び１１０ｂが、更に加熱機構付整流板１７０ａ及び１７０ｂを備え、排気ポンプ１４０ａは除害装置１８０を介してチャンバ１１０ａと連結されている。
加熱機構付整流板１７０を備えるので、金属基体や糸状体へ機能性材料を供給する際の矢印Ｘ１で示すような蒸気の流れを整えることができる。また、除害装置１８０を備えることにより、有害な物質の排気を防止することが可能であり、更には貴金属等の高価な材料を回収することもできる。つまり、図中の矢印Ｘ１及びＸ２で示される蒸気は機能性材料を含むが、矢印Ｙ１は機能性材料を含む有害物質が除かれている。
なお、図示しないが、排気ポンプ１４０ｂが除害装置を介してチャンバ１１０ｂと連結されていてもよい。 Further, the gas supply means 130a and 130b are connected to the chambers 110a and 110b via the cocks 160a and 160b, respectively. In the case of this example, the chambers 110a and 110b are further provided with rectifying plates 170a and 170b with a heating mechanism, and the exhaust pump 140a is connected to the chamber 110a via the abatement device 180.
Since the rectifying plate 170 with the heating mechanism is provided, the flow of steam as shown by the arrow X1 when supplying the functional material to the metal substrate or the filamentous body can be adjusted. Further, by providing the abatement device 180, it is possible to prevent exhaust of harmful substances, and it is also possible to collect expensive materials such as precious metals. That is, the vapor indicated by the arrows X1 and X2 in the figure includes a functional material, but the arrow Y1 excludes harmful substances including the functional material.
Although not shown, the exhaust pump 140b may be connected to the chamber 110b through a detoxifying device.

図７の製造装置１００において、金属基体１０はチャンバ１１０ａに設置され、機能性材料（原料）３０はチャンバ１１０ｂに設置されており、それぞれのガス供給手段１３０、排気ポンプ１４０及びヒータ１５０を作動させることにより、それぞれのチャンバ内の雰囲気や温度、圧力などを独立に制御することができる。また、圧力を制御することによって、機能性材料を供給する際の蒸気の流れを整えることも可能である。更に、コック１６０によって対応するチャンバへのガス供給量を独立に制御することができる。
なお、圧力を制御することによって、金属基体や糸状体へ機能性材料を供給する際の蒸気の流れ変えることもできるため、チャンバ１１０ａと１１０ｂの配置は限定されず、自由に配置することができる。 In the manufacturing apparatus 100 of FIG. 7, the metal substrate 10 is installed in the chamber 110a, and the functional material (raw material) 30 is installed in the chamber 110b, and the respective gas supply means 130, the exhaust pump 140, and the heater 150 are operated. Thus, the atmosphere, temperature, pressure, etc. in each chamber can be controlled independently. Further, by controlling the pressure, it is possible to adjust the flow of steam when supplying the functional material. Furthermore, the amount of gas supplied to the corresponding chamber can be independently controlled by the cock 160.
Note that by controlling the pressure, it is possible to change the flow of vapor when supplying the functional material to the metal substrate or the filamentous body, so the arrangement of the chambers 110a and 110b is not limited and can be freely arranged. .

図８は、本発明の他の製造装置の一実施形態を示す構成断面図である。同図に示すように、チャンバ１１０ｂにヒータ１５０ｂ及び１５２ｂと複数備えていてもよく、機能性材料原料を複数設置し、ヒータを１５０ｂ及び１５２ｂをそれぞれ独立に制御することによって、複数の機能性材料を制御して供給でき、上述したような種々の態様で含有させることが容易となる。なお、ヒータ１５０ｂ及び１５２ｂなど複数設けた場合に、これらの設定温度は特に限定されるものではない。   FIG. 8 is a structural sectional view showing an embodiment of another manufacturing apparatus of the present invention. As shown in the figure, the chamber 110b may be provided with a plurality of heaters 150b and 152b, and a plurality of functional material raw materials are installed, and a plurality of functional materials are controlled by independently controlling the heaters 150b and 152b. Can be supplied in a controlled manner and can be easily contained in various modes as described above. Note that when a plurality of heaters 150b and 152b are provided, these set temperatures are not particularly limited.

以下、本発明をいくつかの実施例によって更に詳細に説明する。なお、例えば実施例１において「Ｎｉ−２０Ｃｒ−８Ｆｅ」は「Ｃｒを２０％含み、Ｆｅを８％含み、残部がほぼＮｉで若干の不可避不純物を含む合金」を表す。   Hereinafter, the present invention will be described in more detail with reference to some examples. For example, in Example 1, “Ni-20Cr-8Fe” represents “an alloy containing 20% Cr, 8% Fe, and the balance being almost Ni and containing some inevitable impurities”.

（実施例１）
金属基体としてＮｉ−２０Ｃｒ−８Ｆｅを用意し、図７のチャンバ１１０ａ内に設置し、機能性材料原料としてＳｉを用意し、図７のチャンバ１１０ｂ内に設置した。なお、シャッター１２０は初め閉じてあり、それぞれのチャンバは石英製で、内容積は３Ｌのものを用いた。
チャンバ１１０ａ及び１１０ｂを内圧０．０１Ｐａとなるまで排気ポンプ１４０ａ及び１４０ｂで排気した。次に、チャンバ１１０ａに反応ガス（５ｐｐｍの酸素を含むアルゴンガス）を流量１Ｌ／分で導入し、内圧を大気圧とした後はこれを保持し、一方でチャンバ１１０ｂに反応ガスを流量０．１Ｌ／分で導入し、内圧を正確にはＳｉ周囲圧力を１０００Ｐａとした後はこれを保持した。
ヒータ１５０ａの設定温度を１１００℃、ヒータ１５０ｂの設定温度を１５００℃として加熱した。
ヒータ１５０ａの加熱開始１５分後にシャッター１２０を開き、３０分間これを保持した。ヒータ１５０ａの加熱開後４５分後にシャッター１２０を閉じた。ヒータ１５０ａの加熱開始６０分後に加熱を終了した。このようにして、本例の機能性糸状物を得た。 Example 1
Ni-20Cr-8Fe was prepared as a metal substrate and installed in the chamber 110a of FIG. 7, Si was prepared as a functional material material, and was installed in the chamber 110b of FIG. The shutter 120 was initially closed, each chamber was made of quartz, and the internal volume was 3L.
The chambers 110a and 110b were evacuated by the exhaust pumps 140a and 140b until the internal pressure became 0.01 Pa. Next, a reaction gas (argon gas containing 5 ppm of oxygen) is introduced into the chamber 110a at a flow rate of 1 L / min and maintained after the internal pressure is set to atmospheric pressure, while the reaction gas is supplied to the chamber 110b at a flow rate of 0. It was introduced at 1 L / min, and the internal pressure was accurately maintained after the Si ambient pressure was set to 1000 Pa.
The heater 150a was heated at a set temperature of 1100 ° C. and the heater 150b was set at a set temperature of 1500 ° C.
The shutter 120 was opened 15 minutes after the start of heating of the heater 150a and held for 30 minutes. The shutter 120 was closed 45 minutes after the heater 150a was heated. Heating was terminated 60 minutes after the start of heating of the heater 150a. Thus, the functional thread-like material of this example was obtained.

図９に、本例の機能性糸状物の概念断面図を示す。なお、図中の種々の矢印は、現時点で推定されている本発明の機能性糸状物の成長メカニズムを示すものである。金属基体中に含まれる元素や外部から供給される元素は矢印のように移動しているものと考えられる。本例の機能性糸状物は、金属基体と連結した糸状体を備え、その糸状体の茎部（Ｃｒ酸化物）が図３に示すように機能性材料の非晶質酸化ケイ素（ＳｉＯｘ）で被覆されている構造を有する。
このような構造は、高温に曝した場合にもＣｒ酸化物の揮発が非晶質酸化ケイ素の被膜で抑制でき、高温下で動作させる場合にＣｒ被毒が問題となる触媒担体としても好適に使用することができる。また、基体が金属性を有するので熱伝導も良く、触媒担体として用いた場合に温度制御が容易である。 FIG. 9 shows a conceptual cross-sectional view of the functional filamentous material of this example. In addition, the various arrows in a figure show the growth mechanism of the functional filament of this invention estimated at this time. It is considered that elements contained in the metal substrate and elements supplied from the outside are moving as indicated by arrows. The functional filamentous material of this example is provided with a filamentous body connected to a metal substrate, and the stem (Cr oxide) of the filamentous body is composed of amorphous silicon oxide (SiOx) as a functional material as shown in FIG. It has a covered structure.
Such a structure can suppress the volatilization of Cr oxide by an amorphous silicon oxide film even when exposed to high temperatures, and is also suitable as a catalyst carrier in which Cr poisoning becomes a problem when operated at high temperatures. Can be used. Further, since the substrate has metallic properties, heat conduction is good, and temperature control is easy when used as a catalyst carrier.

（実施例２）
金属基体としてＭｎ−１０Ｎｉを用意し、図７のチャンバ１１０ａ内に設置し、機能性材料原料としてルテニウム（Ｒｕ）を用意し、図７のチャンバ１１０ｂ内に設置した。なお、シャッター１２０は初め閉じてあり、それぞれのチャンバは石英製で、内容積は３Ｌのものを用いた。
チャンバ１１０ａ及び１１０ｂを内圧０．０１Ｐａとなるまで排気ポンプ１４０ａ及び１４０ｂで排気した。次に、チャンバ１１０ａに反応ガス（５ｐｐｍの酸素を含むアルゴンガス）を流量１Ｌ／分で導入し、内圧を大気圧とした後はこれを保持し、一方でチャンバ１１０ｂに反応ガスを流量０．１Ｌ／分で導入し、内圧を１０００００Ｐａとした後はこれを保持した。
ヒータ１５０ａの設定温度を１１００℃、ヒータ１５０ｂの設定温度を１８００℃として加熱した。
ヒータ１５０ａの加熱開始１５分後にシャッター１２０を開き、３０分間これを保持した。ヒータ１５０ａの加熱開後４５分後にシャッター１２０を閉じた。ヒータ１５０ａの加熱開始６０分後に加熱を終了した。このようにして、本例の機能性糸状物を得た。 (Example 2)
Mn-10Ni was prepared as a metal substrate and installed in the chamber 110a of FIG. 7, and ruthenium (Ru) was prepared as a functional material raw material and installed in the chamber 110b of FIG. The shutter 120 was initially closed, each chamber was made of quartz, and the internal volume was 3L.
The chambers 110a and 110b were evacuated by the exhaust pumps 140a and 140b until the internal pressure became 0.01 Pa. Next, a reaction gas (argon gas containing 5 ppm of oxygen) is introduced into the chamber 110a at a flow rate of 1 L / min and maintained after the internal pressure is set to atmospheric pressure, while the reaction gas is supplied to the chamber 110b at a flow rate of 0. After introduction at 1 L / min and internal pressure of 100000 Pa, this was maintained.
The heater 150a was heated at a set temperature of 1100 ° C., and the heater 150b was set at a set temperature of 1800 ° C.
The shutter 120 was opened 15 minutes after the start of heating of the heater 150a and held for 30 minutes. The shutter 120 was closed 45 minutes after the heater 150a was heated. Heating was terminated 60 minutes after the start of heating of the heater 150a. Thus, the functional thread-like material of this example was obtained.

図１０に、本例の機能性糸状物の概念断面図を示す。なお、図中の種々の矢印は、現時点で推定されている本発明の機能性糸状物の成長メカニズムを示すものである。金属基体中に含まれる元素や外部から供給される元素は矢印のように移動しているものと考えられる。本例の機能性糸状物は、金属基体と連結した糸状体を備え、その糸状体の茎部（Ｍｎ酸化物）に機能性材料の酸化ルテニウム（Ｒｕ２Ｏ）の被膜、更には内部に粒子で含有されている構造を有する。
このような構造は、スーパーキャパシターのレドックスキャパシター電極として好適に使用することができる。また、基体が金属性を有するので電気伝導も良く、キャパシタ電極として好適である。 FIG. 10 is a conceptual cross-sectional view of the functional yarn-like material of this example. In addition, the various arrows in a figure show the growth mechanism of the functional filament of this invention estimated at this time. It is considered that elements contained in the metal substrate and elements supplied from the outside are moving as indicated by arrows. The functional filamentous material of this example is provided with a filamentous body connected to a metal substrate, a coating of functional material ruthenium oxide (Ru 2 O) on the stem (Mn oxide) of the filamentous body, and further particles inside It has the structure contained in.
Such a structure can be suitably used as a redox capacitor electrode of a supercapacitor. Further, since the substrate is metallic, it has good electrical conduction and is suitable as a capacitor electrode.

以上、本発明を若干の好適実施例により詳細に説明したが、本発明はこれら実施例に限定されるものではなく、本発明の要旨の範囲内において種々の変形が可能である。
例えば、金属基体上に多数のＣｒ酸化物の糸状体を形成させ、糸状体の間隙に白金微粒子を担持させることにより、表面積が大きく、耐熱性に優れた基材に触媒となる白金を担持した部材を得ることができ、排ガス浄化用触媒として利用することができる。
また、金属基体上に多数のＣｒ酸化物の糸状体を形成させ、これに非晶質酸化ケイ素被膜を形成させることにより、表面積が大きく、耐熱性に優れ、更に化学的安定性の優れた部材を得ることができる。親水性を示す非晶質酸化ケイ素被膜が形成されているため、ゾルゲル液等の揺れ性も良い。このような機能を付与したことにより、特に限定されるものではないが、各種水溶液原料で表面を修飾することが容易となる。 Although the present invention has been described in detail with some preferred embodiments, the present invention is not limited to these embodiments, and various modifications are possible within the scope of the gist of the present invention.
For example, a large number of Cr oxide filaments are formed on a metal substrate, and platinum fine particles are supported in the gaps of the filaments, thereby supporting platinum as a catalyst on a substrate having a large surface area and excellent heat resistance. A member can be obtained and used as an exhaust gas purifying catalyst.
Also, by forming a large number of Cr oxide filaments on a metal substrate and forming an amorphous silicon oxide film thereon, the member has a large surface area, excellent heat resistance, and excellent chemical stability. Can be obtained. Since the amorphous silicon oxide film showing hydrophilicity is formed, the sol-gel solution or the like has good shaking properties. By providing such a function, although not particularly limited, it is easy to modify the surface with various aqueous solution raw materials.

本発明の機能性糸状物の一例を示す概念的な斜視図である。It is a conceptual perspective view which shows an example of the functional filamentous material of this invention. 本発明の機能性糸状物の典型例を示す概念的な拡大図である。It is a notional enlarged view which shows the typical example of the functional thread-like material of this invention. 機能性材料膜が形成された茎部を示すＴＥＭ写真である。It is a TEM photograph which shows the stem part in which the functional material film | membrane was formed. 機能性材料膜が形成された茎部を示すＸ線写真である。It is an X-ray photograph which shows the stem part in which the functional material film | membrane was formed. 本発明の機能性糸状物の好適形態の一例を示す概念的な斜視図である。It is a conceptual perspective view which shows an example of the suitable form of the functional filamentous material of this invention. 本発明の機能性糸状物の他の好適形態の一例を示す概念的な斜視図である。It is a conceptual perspective view which shows an example of the other suitable form of the functional filamentous material of this invention. 本発明の製造装置の一実施形態を示す構成断面図である。It is a composition sectional view showing one embodiment of a manufacturing device of the present invention. 本発明の製造装置の他の一実施形態を示す構成断面図である。It is a structure sectional view showing other embodiments of a manufacturing device of the present invention. 実施例１の機能性糸状物を示す概念的な断面図である。1 is a conceptual cross-sectional view showing a functional yarn-like material of Example 1. FIG. 実施例２の機能性糸状物を示す概念的な断面図である。3 is a conceptual cross-sectional view showing a functional thread-like material of Example 2. FIG.

符号の説明Explanation of symbols

１ 機能性糸状物
１０ 金属基体
２０ 糸状体
２２ 茎部
２４ 球状頭部
３０ 機能性材料
１００ 製造装置
１１０ａ，１１０ｂ チャンバ
１２０ａ，１２０ｂ シャッター
１３０ａ，１３０ｂ 排気ポンプ
１４０ａ，１４０ｂ ガス供給手段
１５０ａ，１５０ｂ，１５２ｂ ヒータ
１６０ａ，１６０ｂ コック
１７０ａ，１７０ｂ 加熱機構付整流板
１８０ 除害装置 DESCRIPTION OF SYMBOLS 1 Functional thread-like material 10 Metal base body 20 Filament body 22 Stem part 24 Spherical head 30 Functional material 100 Manufacturing apparatus 110a, 110b Chamber 120a, 120b Shutter 130a, 130b Exhaust pump 140a, 140b Gas supply means 150a, 150b, 152b Heater 160a, 160b Cock 170a, 170b Rectifying plate 180 with heating mechanism Detoxifying device

Claims (11)

金属基体と、該金属基体と結合した糸状体を備え、該金属基体及び／又は該糸状体に機能性材料を含有させて成る機能性糸状物であって、
上記金属基体が鉄、ニッケル及びコバルトから成る群より選ばれた少なくとも１種の元素を含み、
上記糸状体が上記金属基体の成分元素の少なくとも１種を含み、
上記機能性材料が上記糸状体の成分元素と異なる少なくとも１種の異種成分を含むことを特徴とする機能性糸状物。 A functional yarn-like product comprising a metal substrate and a filament bonded to the metal substrate, the functional substrate containing a functional material in the metal substrate and / or the filament,
The metal substrate includes at least one element selected from the group consisting of iron, nickel and cobalt;
The filament includes at least one component element of the metal substrate;
A functional yarn-like material, wherein the functional material contains at least one different component different from the component elements of the filament. 上記金属基体の少なくとも一部が多孔質であることを特徴とする請求項１に記載の機能性糸状物。   The functional thread-like material according to claim 1, wherein at least a part of the metal substrate is porous. 上記金属基体が更にマンガン、ケイ素及びクロムから成る群より選ばれた少なくとも１種の元素を含むことを特徴とする請求項１又は２に記載の機能性糸状物。   3. The functional yarn according to claim 1, wherein the metal substrate further contains at least one element selected from the group consisting of manganese, silicon and chromium. 上記糸状体の大部分が上記金属基体の成分元素の少なくとも１種を含む金属酸化物から成ることを特徴とする請求項１〜３のいずれか１つの項に記載の機能性糸状物。   The functional filamentous material according to any one of claims 1 to 3, wherein most of the filamentous body is made of a metal oxide containing at least one component element of the metal substrate. 上記金属基体の成分元素が鉄、ニッケル、コバルト、マンガン、ケイ素及びクロムから成るより選ばれた少なくとも１種の元素であることを特徴とする請求項４に記載の機能性糸状物。   5. The functional yarn according to claim 4, wherein the constituent element of the metal substrate is at least one element selected from iron, nickel, cobalt, manganese, silicon and chromium. 請求項１〜５のいずれか１つの項に記載の機能性糸状物を製造する方法であって、下記の工程（１）及び（２）
（１）：金属基体を加熱して局所的に溶融し、該金属基体上に糸状体を形成する工程、
（２）：（１）工程中に、加熱気化した機能性材料を、上記金属基体及び／又は糸状体に含有させる工程、
を含むことを特徴とする機能性糸状物の製造方法。 A method for producing the functional yarn according to any one of claims 1 to 5, comprising the following steps (1) and (2):
(1): a step of heating and locally melting a metal substrate to form a filament on the metal substrate;
(2): (1) a step of incorporating the functional material heated and vaporized into the metal substrate and / or the filamentous body during the step;
A method for producing a functional filamentous material, comprising: 上記金属基体を局所的に溶融させる温度と、上記機能性材料原料を加熱気化させる温度とを異なる温度に設定することを特徴とする請求項６に記載の機能性糸状物の製造方法。   The method for producing a functional filamentous material according to claim 6, wherein a temperature at which the metal substrate is locally melted and a temperature at which the functional material raw material is vaporized by heating are set to different temperatures. 上記金属基体を局所的に溶融させる圧力と、上記機能性材料原料を加熱気化させる圧力とを異なる圧力に設定することを特徴とする請求項６又は７に記載の機能性糸状物の製造方法。   The method for producing a functional filamentous material according to claim 6 or 7, wherein the pressure for locally melting the metal substrate and the pressure for heating and vaporizing the functional material raw material are set to different pressures. 上記金属基体の表面に予め部分的に酸化被膜を形成することを特徴とする請求項６〜８のいずれか１つの項に記載の機能性糸状物の製造方法。   The method for producing a functional yarn according to any one of claims 6 to 8, wherein an oxide film is partially formed on the surface of the metal substrate in advance. 請求項１〜５のいずれか１つの項に記載の機能性糸状物を製造する装置であって、
隔壁で分離された金属基体設置用チャンバと機能性材料原料設置用チャンバとを備え、 上記隔壁が開閉可能であり、
上記金属基体設置用チャンバと機能性材料原料設置用チャンバとが、それぞれガス供給手段、排気手段及び温度制御手段を備えることを特徴とする機能性糸状物製造装置。 An apparatus for producing the functional yarn according to any one of claims 1 to 5,
A metal substrate installation chamber and a functional material raw material installation chamber separated by a partition; the partition can be opened and closed;
An apparatus for producing a functional filamentous material, wherein the metal substrate installation chamber and the functional material raw material installation chamber each include gas supply means, exhaust means, and temperature control means. 上記機能性材料原料設置用チャンバの上に、上記金属基体設置用チャンバが配置されていることを特徴とする請求項１０に記載の機能性糸状物製造装置。   11. The functional yarn manufacturing apparatus according to claim 10, wherein the metal substrate installation chamber is disposed on the functional material raw material installation chamber.
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WO2017033444A1 (en) * 2015-08-24 2017-03-02 Okinawa Institute Of Science And Technology School Corporation In-situ growth and catalytic nanoparticle decoration of metal oxide nanowires
CN107849692A (en) * 2015-08-24 2018-03-27 学校法人冲绳科学技术大学院大学学园 Growth in situ and the catalytic nanoparticle modification of metal oxide nano-wire
EP3341505A4 (en) * 2015-08-24 2018-09-19 Okinawa Institute of Science and Technology School Corporation In-situ growth and catalytic nanoparticle decoration of metal oxide nanowires

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