JPS61289200A - Production of metal fiber sheet - Google Patents
Production of metal fiber sheetInfo
- Publication number
- JPS61289200A JPS61289200A JP12688985A JP12688985A JPS61289200A JP S61289200 A JPS61289200 A JP S61289200A JP 12688985 A JP12688985 A JP 12688985A JP 12688985 A JP12688985 A JP 12688985A JP S61289200 A JPS61289200 A JP S61289200A
- Authority
- JP
- Japan
- Prior art keywords
- fibers
- sheet
- fiber
- weight
- parts
- 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.)
- Granted
Links
Landscapes
- Powder Metallurgy (AREA)
- Paper (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Conductive Materials (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は金属繊維シートの製造方法に関するもので導電
性を有する薄いシート材料として、パラボラアンテナの
電波反射材、又はＣＰＵ内蔵の各種事務機器、電子機器
の電磁波遮蔽材として使用されるものである。Detailed Description of the Invention [Objective of the Invention] (Industrial Application Field) The present invention relates to a method for manufacturing a metal fiber sheet, and is used as a thin conductive sheet material for use as a radio wave reflecting material for a parabolic antenna or for a built-in CPU. It is used as an electromagnetic wave shielding material for various office equipment and electronic equipment.
（従来の技術）
本発明に係る従来技術としては特開昭５５−６５７７号
「金属繊維を含有する繊維構造体、その製造法およびそ
の紙への応用法」の公報がある。(Prior Art) As a prior art related to the present invention, there is a publication of JP-A No. 55-6577 entitled "Fiber Structure Containing Metal Fibers, Method for Producing the Same, and Method for Applying the Same to Paper."
これは、金属繊維（長さ１０ｗｍ以下、太さ３０μｍ以
下）をポリビニアルコール繊維（ＰＶＡ）及びでんぷん
よりなる水溶液バインダにより固め、湿式法により濾過
してシートを形成する方法か開示しである。This discloses a method in which metal fibers (length: 10 wm or less, thickness: 30 μm or less) are solidified with an aqueous binder made of polyvinyl alcohol fibers (PVA) and starch, and then filtered by a wet method to form a sheet.
（発明が解決しようとする問題点）
然し前記金属繊維のシートの製造方法は、高比重である
金属繊維を使用するために、金属繊維が水溶液中で容易
に急速に沈降するために、均一に分散しに＜＜、薄いシ
ート状になり難く、かつ金属繊維間を十分に密着させた
シートを製造することが困難である、という問題点があ
った。(Problems to be Solved by the Invention) However, since the metal fiber sheet manufacturing method uses metal fibers having a high specific gravity, the metal fibers easily and rapidly settle in an aqueous solution, so that they cannot be produced uniformly. There were problems in that it was difficult to disperse the metal fibers into a thin sheet, and it was difficult to produce a sheet in which the metal fibers were in close contact with each other.
そこで本発明は金属繊維を均一に分散し、かつ導電性の
良い、極めて薄い金属繊維シートの製造方法を提供する
ことを目的とするものである。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a method for manufacturing an extremely thin metal fiber sheet with uniformly dispersed metal fibers and good conductivity.
（問題を解決するための手段）
上記技術的課題を解決するために講じた技術的手段は、
金属繊維を１００重量部当り、製紙用バインダであるＰ
ＶＡ粉末乃至繊維を３〜３０重量部と特殊バインダであ
る熱可塑性樹脂のポリエチレンテレフタレート繊維ＣＰ
ＥＴ）又はナイロン樹脂３〜３０重量部を、有機高分子
よりなる粘剤を抄紙に適切な粘度である３０〜５００ｃ
ｐｓとなる様混合した水溶液中で均一に攪拌して混合液
とし、この混合液の一定量をメツシュの上にて抄紙工程
を経て水分を除去し、加熱下でプレス乾燥して、高導電
性の金属繊維シートを製造するものである。(Means to solve the problem) The technical measures taken to solve the above technical problem are:
P, which is a papermaking binder, per 100 parts by weight of metal fibers
3 to 30 parts by weight of VA powder or fiber and thermoplastic resin polyethylene terephthalate fiber CP, which is a special binder.
ET) or 3 to 30 parts by weight of nylon resin, and a sticky agent made of organic polymer with a viscosity of 30 to 500 c, which is suitable for paper making.
Stir uniformly in an aqueous solution mixed to give PS to form a mixed solution, put a certain amount of this mixed solution on a mesh to remove moisture through the papermaking process, and press dry under heat to form a highly conductive material. This is to manufacture metal fiber sheets.
本発明に使用する金属繊維はその径が２〜Ｎ。The metal fiber used in the present invention has a diameter of 2 to N.
０μｍで長さが１〜ｌＱ＊ｍであり、材質はステンレス
、 ＆ｒ！、及びその合金及びアルミニューム及びその
合金である。The length is 1~lQ*m at 0μm, and the material is stainless steel. &r! , and its alloys, and aluminum and its alloys.
（作用） 前記技術的手段は以下のようである。(effect) The technical means are as follows.
＜１１ ポリエチレングリコール（ＰＥＧ）などの有
機高分子粘剤を水中に熔解し、３０〜５００Ｃｐｓの粘
度とし、
（２）金属繊維と前記ＰＶＡ及びＰＥＴを入れて攪拌し
て混合液とする。この場合ＰＥＧは繊維の沈降防止の作
用をし、ＰＶＡは金属繊維の表面に付着して槽内一杯に
分散する作用をなし、なおＰＥＴと共に金属繊維を相互
に接着させる作用をするものである。<11 Dissolve an organic polymer sticky agent such as polyethylene glycol (PEG) in water to give a viscosity of 30 to 500 Cps, (2) Add the metal fibers and the PVA and PET, and stir to form a mixed solution. In this case, PEG acts to prevent the fibers from settling, and PVA acts to adhere to the surface of the metal fibers and disperse them throughout the tank, and together with PET, acts to bond the metal fibers to each other.
（３）前記混合液を一定量、抄紙槽に移し、抄紙工程を
経て、水分を除去し、更にプレス乾燥することにより、
金属繊維が熱可塑樹脂接着剤であるＰＥＴにより相互間
に接着し、さらにＰＶＡもバインダーとして作用し確実
に繊維間を接着し極めて薄いシート状を形成するもので
ある。(3) By transferring a certain amount of the mixed liquid to a paper making tank, passing through the paper making process, removing moisture, and further press drying,
The metal fibers are bonded to each other by PET, which is a thermoplastic resin adhesive, and PVA also acts as a binder to reliably bond the fibers to form an extremely thin sheet.
このシートを適宜の大きさに裁断して導電性シートとし
て使用する。This sheet is cut into an appropriate size and used as a conductive sheet.
前記ＰＶＡ及びＰＥＴの混入量が金属繊維１００部当り
３重量部より少ない場合また前記粘剤の混合量が適切で
ない場合には、金属繊維の分散が悪く、シート状になら
ずに固まりが出来易く、また３０重量部より多い場合に
は金属繊維間に厚めの接着剤が介在して金ｒＸ繊維間の
導通が悪くなり、導電性の良いシートの形成ができない
。If the mixed amount of the PVA and PET is less than 3 parts by weight per 100 parts of metal fibers, or if the mixed amount of the adhesive is not appropriate, the metal fibers will be poorly dispersed and will tend to clump instead of forming a sheet. If the amount is more than 30 parts by weight, a thick adhesive will be present between the metal fibers, resulting in poor conductivity between the gold rX fibers, making it impossible to form a sheet with good conductivity.
（実施例）
以下、具体的な実施例について説明する。すなわち、金
属繊維シートの製造方法として、（１）有機高分子の粘
剤を水溶液中にて攪拌熔解する。(Example) Hereinafter, specific examples will be described. That is, as a method for manufacturing a metal fiber sheet, (1) an organic polymer sticky agent is stirred and melted in an aqueous solution.
（２）金属繊維と抄紙用バインダのＰＶＡと特殊バイン
ダのＰＥＴを前記水溶液（粘度３０〜５００ｃｐｓ）中
に混入し均一に攪拌分散して混合液とし、
（３）抄紙槽の支持板上にフィルターをセットし、前記
混合液を注入し抄紙し、
（４）混合抄紙の水分を大部分除去したのちに、加熱下
でプレスしてシートを形成するものである。(2) Mix metal fibers, PVA as a papermaking binder, and PET as a special binder into the aqueous solution (viscosity 30-500cps), stir and disperse uniformly to form a mixed solution, and (3) place a filter on the support plate of the papermaking tank. (4) After removing most of the moisture from the mixed paper, it is pressed under heat to form a sheet.
（実施例−１）
有機ポリエチレンオキサイド粉末の０．１前置％水溶液
を１１と、６−４黄ｉｒｌ繊維（４０μｍｘ３ｆｌ）を
１５ｇ、抄ＩＥ用ＰＶＡＩＭ維２．３ｇ、ＰＥＴ繊維２
．３ｇを４ｉの水と合わせて均一に攪拌後抄紙装置で抄
紙した、この抄紙したのものの水分を切り１３０℃の加
熱下で荷重をかけプレスして金属繊維シートを製造した
。(Example-1) 11 0.1% aqueous solution of organic polyethylene oxide powder, 15 g of 6-4 yellow irl fiber (40 μm x 3 fl), 2.3 g of PVAIM fiber for paper IE, and 2 PET fibers
．． 3 g was combined with 4 i of water, stirred uniformly, and then made into paper using a paper machine. The paper was drained and pressed under a load under heating at 130° C. to produce a metal fiber sheet.
（比較例１−１）
前記実施例−１において、ＰＶＡ繊維４．５ｇでＰＥＴ
ｔＡ維はなしでシートを製造した。(Comparative Example 1-1) In Example-1, 4.5 g of PVA fiber was used to
Sheets were made without tA fibers.
（比較例１−２）
前記実施例−１においてＰＶＡ繊維なしでＰＥＴ繊維３
ｇでシートを製造した。(Comparative Example 1-2) In Example-1, PET fiber 3 was used without PVA fiber.
A sheet was produced in g.
（実施例−２）
ポリエチレンアマイド粉末の０．１重ｆｉ１％水溶液を
１１と６−４黄銅繊維（９０μｍｘ３ｎ）を１５ｇ抄紙
用ＰＶＡ＠維１．５ｇ、ＰＥＴ繊維１．５ｇを４１の水
と合わせ均一に攪拌扱銅網で抄紙した。(Example-2) A 0.1% aqueous solution of polyethylene amide powder was combined with 11, 15 g of 6-4 brass fiber (90 μm x 3 n), 1.5 g of PVA @ fiber for paper making, and 1.5 g of PET fiber with 41 water. Paper was made using a copper net that was uniformly stirred.
この抄紙したもの、水分を切り２２５℃の加熱下で荷重
をかけプレスして金属繊維シートを製造した。This paper was dried and pressed under a load under heating at 225° C. to produce a metal fiber sheet.
（比較例２−１）
実施例−２におイテ、ＰＶＡ繊維４ｇｔ’ＰＥＴ繊維な
しでシートを製造した。(Comparative Example 2-1) Similar to Example 2, a sheet was manufactured using 4 gt of PVA fibers and no PET fibers.
（実施例−３）
実施例−１と同じであるが、黄銅繊維のかわりにステン
レス繊維（８μｍＸ５ｍ）を３ｇ、ＰＶＡ＆＆！０．４
５ ｇ、 Ｐ ＥＴ繊ｌａ０．４５ ｇヲ使用ｔ、Ｔ：
。(Example-3) Same as Example-1, but instead of brass fiber, 3 g of stainless steel fiber (8 μm x 5 m) and PVA&&! 0.4
5 g, using PET fiber la0.45 g, T:
.
シートを製造した。The sheet was manufactured.
前記それぞれの製造方法にて製作した２００×２５０ｍ
のシートについて、抵抗（４６ｍマルチメータ法による
）と反射係数％（ネットワークアナライザーによる空間
定在波法による）及び坪量（抄紙目付）を測定した。こ
の結果を第１〜２表に示す。200 x 250 m manufactured using each of the above manufacturing methods
The resistance (by 46 m multimeter method), reflection coefficient % (by spatial standing wave method using a network analyzer), and basis weight (paper basis weight) were measured for the sheet. The results are shown in Tables 1 and 2.
第 １ 表
第 ２ 表
第１表の隘１〜患３は４０μｍの黄銅繊維を使用してい
る。第２表の阻４〜隘５は、９０μｍの黄銅繊維を使用
しており抵抗値は４０μｍに比して良くないのは当然で
ある。隘３は８μｍのステンレス繊維で反射係数が特に
すぐれている。Tables 1 to 3 in Table 1 use 40 μm brass fibers. In the cases 4 to 5 in Table 2, brass fibers of 90 μm are used, and it is natural that the resistance value is not as good as that of 40 μm. Wall 3 is made of 8 μm stainless steel fiber and has a particularly excellent reflection coefficient.
本発明は次の特有の効果を有する。 The present invention has the following unique effects.
従来技術の製造方法では比重の大きい金属繊維を抄紙す
ることはできないが、抄紙液の粘度の調合と接着剤との
組合せにより金属繊維の沈降防止と性能の確保ができ、
本製法によれば金属繊維とカーボン繊維の併用シートの
製造も可能であり強度的にもすぐれた導電性シートの製
造が可能である。特に金属繊維の沈降速度のコントロー
ルをすることにより連続抄紙が出来る効果を有するもの
である。Although it is not possible to make paper with metal fibers having a high specific gravity using conventional manufacturing methods, it is possible to prevent the metal fibers from settling and ensure performance by adjusting the viscosity of the paper making liquid and combining it with an adhesive.
According to this manufacturing method, it is possible to manufacture a sheet using a combination of metal fibers and carbon fibers, and it is also possible to manufacture a conductive sheet with excellent strength. In particular, by controlling the sedimentation rate of the metal fibers, continuous paper making can be achieved.
Claims (1)
製造する方法において、 （１）銅及びその合金、アルミ及びその合金、またはス
テンレスよりなる金属繊維の径が２〜１００μｍで長さ
が１〜１０ｍｍのもの１００重量部当り、 （２）抄紙用バインダであるポリビニアルコール繊維３
〜３０重量部と特殊バインダである熱可塑性樹脂よりな
る繊維を３〜３０重量部を （３）有機高分子の粘剤を入れた水溶液中に投入攪拌し
、均一な混合液を作り、混合液の一定量を抄紙工程によ
り水分を除去し、 （４）加熱下でプレス乾燥してシートを形成する、導電
性金属繊維シートの製造方法。[Claims] A method for producing a sheet by treating metal fibers with a water-soluble binder, comprising: (1) metal fibers made of copper and its alloys, aluminum and its alloys, or stainless steel having a diameter of 2 to 100 μm and a long length; Per 100 parts by weight of fibers with a diameter of 1 to 10 mm, (2) 3 polyvinyl alcohol fibers, which are binders for papermaking.
~30 parts by weight and 3 to 30 parts by weight of fibers made of thermoplastic resin, which is a special binder, are added to (3) an aqueous solution containing an organic polymer sticky agent and stirred to make a uniform mixture. A method for producing a conductive metal fiber sheet, in which a certain amount of water is removed through a papermaking process, and (4) a sheet is formed by press drying under heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12688985A JPS61289200A (en) | 1985-06-11 | 1985-06-11 | Production of metal fiber sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12688985A JPS61289200A (en) | 1985-06-11 | 1985-06-11 | Production of metal fiber sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61289200A true JPS61289200A (en) | 1986-12-19 |
| JPH0331837B2 JPH0331837B2 (en) | 1991-05-08 |
Family
ID=14946361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12688985A Granted JPS61289200A (en) | 1985-06-11 | 1985-06-11 | Production of metal fiber sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61289200A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63199499A (en) * | 1987-02-16 | 1988-08-17 | 株式会社 巴川製紙所 | Interior material for electromagnetic shielding |
| JPS63147898U (en) * | 1987-03-18 | 1988-09-29 | ||
| US5226210A (en) * | 1989-01-23 | 1993-07-13 | Minnesota Mining And Manufacturing Company | Method of forming metal fiber mat/polymer composite |
| JPH11131105A (en) * | 1997-10-31 | 1999-05-18 | Tomoegawa Paper Co Ltd | Production of metallic fiber sintered sheet |
| EP0972109A4 (en) * | 1997-03-31 | 2000-02-09 | Fibermark Inc | Metal fiber/metal powder sheet and process for making same |
| EP0991485A4 (en) * | 1997-03-31 | 2001-08-08 | Fibermark Inc | Metal fiber sheet and method of making same |
| WO2005099864A1 (en) * | 2004-04-15 | 2005-10-27 | Nv Bekaert Sa | A method to manufacture a non sintered metal fiber medium |
| JP2012503694A (en) * | 2008-09-26 | 2012-02-09 | マン ウント フンメル ゲーエムベーハー | Semi-finished metal products |
| WO2016159389A1 (en) * | 2015-03-31 | 2016-10-06 | 株式会社巴川製紙所 | Low-resistance metal fiber sheet and production method thereof |
| WO2018131658A1 (en) * | 2017-01-16 | 2018-07-19 | 株式会社巴川製紙所 | Metal fiber nonwoven fabric |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53139807A (en) * | 1977-05-13 | 1978-12-06 | Toray Industries | Coposite molded article containing metal short fiber |
| JPS556577A (en) * | 1978-05-17 | 1980-01-18 | Arjomari Prioux | Metal fiber containing fiber structure * production and application to paper |
| JPS5641760A (en) * | 1979-09-13 | 1981-04-18 | Toshiba Corp | Rotary electric machine |
| JPS5915600A (en) * | 1982-07-14 | 1984-01-26 | 住友化学工業株式会社 | Production of paper and paperboard |
| JPS6034699A (en) * | 1983-07-04 | 1985-02-22 | 株式会社興人 | Base paper for antistatic decorative board |
| JPS6088198A (en) * | 1983-09-12 | 1985-05-17 | アメリカン・サイアナミド・カンパニ− | Conductive fiber mat |
| JPS60134099A (en) * | 1983-12-22 | 1985-07-17 | 旭化成株式会社 | Antistatic synthetic paper |
| JPS61225398A (en) * | 1985-03-28 | 1986-10-07 | 愛媛県 | Sheet like composition containing coudnctive fiber |
-
1985
- 1985-06-11 JP JP12688985A patent/JPS61289200A/en active Granted
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53139807A (en) * | 1977-05-13 | 1978-12-06 | Toray Industries | Coposite molded article containing metal short fiber |
| JPS556577A (en) * | 1978-05-17 | 1980-01-18 | Arjomari Prioux | Metal fiber containing fiber structure * production and application to paper |
| JPS5641760A (en) * | 1979-09-13 | 1981-04-18 | Toshiba Corp | Rotary electric machine |
| JPS5915600A (en) * | 1982-07-14 | 1984-01-26 | 住友化学工業株式会社 | Production of paper and paperboard |
| JPS6034699A (en) * | 1983-07-04 | 1985-02-22 | 株式会社興人 | Base paper for antistatic decorative board |
| JPS6088198A (en) * | 1983-09-12 | 1985-05-17 | アメリカン・サイアナミド・カンパニ− | Conductive fiber mat |
| JPS60134099A (en) * | 1983-12-22 | 1985-07-17 | 旭化成株式会社 | Antistatic synthetic paper |
| JPS61225398A (en) * | 1985-03-28 | 1986-10-07 | 愛媛県 | Sheet like composition containing coudnctive fiber |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63199499A (en) * | 1987-02-16 | 1988-08-17 | 株式会社 巴川製紙所 | Interior material for electromagnetic shielding |
| JPS63147898U (en) * | 1987-03-18 | 1988-09-29 | ||
| US5226210A (en) * | 1989-01-23 | 1993-07-13 | Minnesota Mining And Manufacturing Company | Method of forming metal fiber mat/polymer composite |
| EP0972109A4 (en) * | 1997-03-31 | 2000-02-09 | Fibermark Inc | Metal fiber/metal powder sheet and process for making same |
| EP0991485A4 (en) * | 1997-03-31 | 2001-08-08 | Fibermark Inc | Metal fiber sheet and method of making same |
| JP2001517273A (en) * | 1997-03-31 | 2001-10-02 | ファイバーマーク インコーポレイテッド | Sheet of metal fiber and metal powder and method for producing the same |
| JP2001526737A (en) * | 1997-03-31 | 2001-12-18 | ファイバーマーク インコーポレイテッド | Metal fiber sheet and method for producing the same |
| EP1243695A1 (en) * | 1997-03-31 | 2002-09-25 | Fibermark, Inc. | Metal fiber/metal powder sheet and process for making same |
| US6517675B2 (en) | 1997-03-31 | 2003-02-11 | Fibermark, Inc, | Process for making metal fiber/metal powder sheet |
| JPH11131105A (en) * | 1997-10-31 | 1999-05-18 | Tomoegawa Paper Co Ltd | Production of metallic fiber sintered sheet |
| WO2005099864A1 (en) * | 2004-04-15 | 2005-10-27 | Nv Bekaert Sa | A method to manufacture a non sintered metal fiber medium |
| JP2007533865A (en) * | 2004-04-15 | 2007-11-22 | ナムローゼ・フェンノートシャップ・ベーカート・ソシエテ・アノニム | Method for producing metal fiber non-sintered body |
| JP4922921B2 (en) * | 2004-04-15 | 2012-04-25 | ナムローゼ・フェンノートシャップ・ベーカート・ソシエテ・アノニム | Method for producing metal fiber non-sintered body |
| JP2012503694A (en) * | 2008-09-26 | 2012-02-09 | マン ウント フンメル ゲーエムベーハー | Semi-finished metal products |
| JP2014177639A (en) * | 2008-09-26 | 2014-09-25 | Mann & Hummel Gmbh | Half-finished metal product |
| WO2016159389A1 (en) * | 2015-03-31 | 2016-10-06 | 株式会社巴川製紙所 | Low-resistance metal fiber sheet and production method thereof |
| JPWO2016159389A1 (en) * | 2015-03-31 | 2018-01-25 | 株式会社巴川製紙所 | Low resistance metal fiber sheet and manufacturing method thereof |
| WO2018131658A1 (en) * | 2017-01-16 | 2018-07-19 | 株式会社巴川製紙所 | Metal fiber nonwoven fabric |
| CN109891016A (en) * | 2017-01-16 | 2019-06-14 | 株式会社巴川制纸所 | Metallic fiber nonwoven fabric |
| US11124906B2 (en) | 2017-01-16 | 2021-09-21 | Tomoegawa Co., Ltd. | Metal fiber nonwoven fabric |
| CN109891016B (en) * | 2017-01-16 | 2022-04-29 | 株式会社巴川制纸所 | Metal fiber non-woven fabric |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0331837B2 (en) | 1991-05-08 |
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