JPS63242395A - Composite material of graphite and fiber - Google Patents
Composite material of graphite and fiberInfo
- Publication number
- JPS63242395A JPS63242395A JP62076762A JP7676287A JPS63242395A JP S63242395 A JPS63242395 A JP S63242395A JP 62076762 A JP62076762 A JP 62076762A JP 7676287 A JP7676287 A JP 7676287A JP S63242395 A JPS63242395 A JP S63242395A
- Authority
- JP
- Japan
- Prior art keywords
- graphite
- expanded graphite
- resin
- fiber
- composite material
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 53
- 239000010439 graphite Substances 0.000 title claims abstract description 53
- 239000000835 fiber Substances 0.000 title claims abstract description 24
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 20
- 239000011347 resin Substances 0.000 claims abstract description 20
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000002759 woven fabric Substances 0.000 claims abstract description 13
- 239000003365 glass fiber Substances 0.000 claims abstract description 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims 1
- 239000005011 phenolic resin Substances 0.000 abstract description 6
- 239000003822 epoxy resin Substances 0.000 abstract description 4
- 239000004744 fabric Substances 0.000 abstract description 4
- 229920000647 polyepoxide Polymers 0.000 abstract description 4
- 239000002904 solvent Substances 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 7
- 239000000126 substance Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229920001568 phenolic resin Polymers 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 2
- 239000004640 Melamine resin Substances 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 210000003850 cellular structure Anatomy 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000009719 polyimide resin Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003856 thermoforming Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229930185605 Bisphenol Natural products 0.000 description 1
- 101100352418 Caenorhabditis elegans plp-1 gene Proteins 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 1
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- XEMZLVDIUVCKGL-UHFFFAOYSA-N hydrogen peroxide;sulfuric acid Chemical compound OO.OS(O)(=O)=O XEMZLVDIUVCKGL-UHFFFAOYSA-N 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 235000011835 quiches Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Laminated Bodies (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は黒鉛・繊維複合材料に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to graphite/fiber composite materials.
（従来の技術） 一般に黒鉛は耐熱性及び耐薬品性に優れており。(Conventional technology) In general, graphite has excellent heat resistance and chemical resistance.
自己潤滑性を有し、熱伝導性にも優れているため各種機
械部品、シール材などの原料に使用されている。It is self-lubricating and has excellent thermal conductivity, so it is used as a raw material for various mechanical parts, sealing materials, etc.
膨張黒鉛は、この黒鉛を硫酸と酸化剤で処理して得た黒
鉛層間化合物を６００〜１，０００℃の高温に急速加熱
し黒鉛構造のＣ軸方向（炭素層に垂直な方向）に２０倍
以上に膨張した軽量の去状形黒鉛である。この膨張黒鉛
を加圧して得た膨張黒鉛成形体は、先に示した黒鉛独自
の特性に加え。Expanded graphite is produced by treating this graphite with sulfuric acid and an oxidizing agent, and then rapidly heating the graphite intercalation compound to a high temperature of 600 to 1,000°C. This is lightweight exfoliated graphite that has expanded to a greater extent. The expanded graphite molded product obtained by pressurizing this expanded graphite has the unique characteristics of graphite mentioned above.
圧縮復元性に富み、シール性能に優れているので。It has excellent compression recovery properties and excellent sealing performance.
化学プラント用バッキング材、自動車用ガスケット材、
ｔｉｔ池部材等幅広い分野で使用されている。Backing materials for chemical plants, gasket materials for automobiles,
It is used in a wide range of fields such as tit pond parts.
（発明が解決しようとする問題点）
しかしながら膨張黒鉛の単独成形体は、その機械的な絡
み合いのみで強度を保持しているために。(Problems to be Solved by the Invention) However, a single molded body of expanded graphite maintains its strength only by its mechanical entanglement.
引張強さ、圧縮強さ、靭性面で十分ではなく、また水、
油および各種無機及び有機の液体に浸漬した際に膨潤し
、著しい強度低下が生ずる。特にエンジンオイル、不凍
液の高温でのシール性を要求される自動車用ガスケット
、ｔた熱濃すン酸、熱硫酸に対し不浸透性を要求される
燃料電池部材に対しては、上記問題が特に深刻化してい
る。 。Tensile strength, compressive strength, and toughness are not sufficient, and water,
It swells when immersed in oil and various inorganic and organic liquids, resulting in a significant decrease in strength. The above problems are especially true for automobile gaskets that require high-temperature sealing performance for engine oil and antifreeze, and for fuel cell components that require impermeability to hot concentrated sulfuric acid and hot sulfuric acid. It's getting serious. .
従来、これら問題点を解決するために、成形体中にフェ
ノール樹脂、エポキシ樹脂等の熱硬化性樹脂を含浸させ
、該樹脂を硬化させる手段がとられているが、膨張黒鉛
成形体中に樹脂を均一に含没することは容易ではなく、
含浸前の成形体の密度・樹脂の濃度、粘度等に大きな制
約を受ける。Conventionally, in order to solve these problems, methods have been taken to impregnate a thermosetting resin such as phenol resin or epoxy resin into a molded body and harden the resin. It is not easy to uniformly impregnate
There are major restrictions on the density, resin concentration, viscosity, etc. of the molded product before impregnation.
また樹脂を含浸、硬化する際に可燃性揮発物の除去を必
要とするため設備上２作業上多くの問題も生ずる。さら
に硬化後の成形体は、引張強さ、溶液不浸透性等は向上
するが、膨張黒鉛成形体の特長である可撓性が悪化する
。Furthermore, since it is necessary to remove flammable volatiles when impregnating and curing the resin, many problems arise in terms of equipment and work. Furthermore, although the cured molded product has improved tensile strength, solution impermeability, etc., its flexibility, which is a feature of expanded graphite molded products, deteriorates.
本発明は上記した欠点を解消し、高強度で液体不浸透性
に優れ、かつ強靭な黒鉛・繊維複合材料を提供すること
を目的とする。The object of the present invention is to eliminate the above-mentioned drawbacks and provide a graphite/fiber composite material that has high strength, excellent liquid impermeability, and is tough.
（問題点を解決するための手段）
本発明は、ガラス繊維、セラミック繊維、炭素繊維又は
有機繊維からなる織布又は不織布に、液状の樹脂を塗布
又は含浸したものと膨張黒鉛シートとを９両外層が膨張
黒鉛シートになるように交互に積層し、圧着してなる黒
鉛・繊維複合材料に関する。(Means for Solving the Problems) The present invention comprises nine sheets of woven or nonwoven fabric made of glass fiber, ceramic fiber, carbon fiber, or organic fiber coated or impregnated with liquid resin, and an expanded graphite sheet. It relates to a graphite/fiber composite material formed by laminating alternately and pressing together so that the outer layer becomes an expanded graphite sheet.
本発明において黒鉛・繊維複合材料を構成する膨張黒鉛
シートとしては公知の方法によって得られるものが用い
られ、たとえば天然鱗状黒鉛を濃硫酸−濃硝酸などの混
液で処理した後水洗、脱水を行い、過剰な酸および黒鉛
表面に付着している酸をとり除き、その後急熱して膨張
処理を行うことによシ、原料黒鉛をカサ密度比で２０倍
以上の倍率に膨張した膨張黒鉛を得、該膨張黒鉛を加圧
成形した膨張黒鉛シートを用いることができる。In the present invention, the expanded graphite sheet constituting the graphite/fiber composite material is obtained by a known method. For example, natural scaly graphite is treated with a mixed solution of concentrated sulfuric acid and concentrated nitric acid, and then washed with water and dehydrated. By removing excess acid and the acid adhering to the graphite surface, and then performing an expansion treatment by rapid heating, we obtain expanded graphite in which the raw graphite has expanded to a bulk density ratio of 20 times or more. An expanded graphite sheet obtained by pressure-molding expanded graphite can be used.
黒鉛としては天然の鱗片状黒鉛以外に熱分解黒鉛。In addition to natural flaky graphite, there is also pyrolytic graphite.
キッシュ黒鉛などが使用できる。処理する系としては濃
硫酸−濃硝酸以外に濃硫酸−過マンガン酸カリウム、濃
硫酸−過酸化水素、濃硫酸−過硫酸アンモニウムなど濃
硫酸を主体とした公知の多くの組合せが使用できる。Quiche graphite etc. can be used. As the treatment system, in addition to concentrated sulfuric acid-concentrated nitric acid, many known combinations based on concentrated sulfuric acid such as concentrated sulfuric acid-potassium permanganate, concentrated sulfuric acid-hydrogen peroxide, concentrated sulfuric acid-ammonium persulfate, etc. can be used.
複合化に用いる織布又は不織布は、ガラス繊維。The woven or non-woven fabric used for compositing is glass fiber.
セラミック繊維、炭素繊維もしくは有機繊維を用いる。Use ceramic fiber, carbon fiber or organic fiber.
通常はコストの点からガラス繊維又は有機ｕｊ１．維の
中のセルロース繊維が用いられる。織布は平織り、綾織
シ等どのような織り方の布でもよい。Usually, glass fiber or organic uj1. Cellulose fibers in fibers are used. The woven fabric may be of any type of weave, such as plain weave or twill weave.
不織布はフェルト状、マット状２紙状に形成したもの、
長繊維を並べたもの等が使用される。Non-woven fabrics are felt-like, matte-like, paper-like,
Those made of long fibers are used.
液状の樹脂は、フェノール樹脂、エポキシ樹脂。Liquid resins include phenolic resin and epoxy resin.
ポリイミド樹脂、メラミン樹脂、シリコン樹脂。Polyimide resin, melamine resin, silicone resin.
ポリエステル樹脂等を溶剤の溶液又はエマルジョンの形
態で用いる。A polyester resin or the like is used in the form of a solution or emulsion in a solvent.
織布又は不織布及び樹脂の種類は、製品の用途によって
選定する。例えば耐熱性が要求され、過酷な榮件で使用
される自動車エンジンまわりのガスケットには、ガラス
繊維又はセラミック繊維のような耐熱性９強度に優れた
織布又は不織布とフェノール樹脂又はポリイミド樹脂と
の組合せが採用される。The type of woven or non-woven fabric and resin is selected depending on the intended use of the product. For example, gaskets around automobile engines that require heat resistance and are used in harsh conditions are made of woven or nonwoven fabrics with excellent heat resistance9 strength, such as glass fibers or ceramic fibers, and phenolic resins or polyimide resins. combination is adopted.
複合の手段は、織布の両面に樹脂溶液を塗布したものを
熱処理して溶剤を除去し樹脂を半硬化状態としたもの、
不織布に樹脂溶液を含浸し前記織布の場合と同様に樹脂
を半硬化状態としたもの。Composite methods include applying a resin solution to both sides of a woven fabric and heat-treating it to remove the solvent and make the resin semi-hardened;
Nonwoven fabric is impregnated with a resin solution and the resin is semi-cured as in the case of the woven fabric.
織布父は不織布に樹脂を含浸し半硬化の状態とした市販
のプリプレグ等と膨張黒鉛シートとを交互に積層し、熱
圧成形法等によシ圧着し黒鉛・繊維複合材料の板とされ
る。前記積層の場合に両外層は必ず膨張黒鉛シートとす
る。このようにしないとシール等に用いた場合に黒鉛の
持つ優れた自己潤滑性が活用されないからである。Woven fabrics are produced by alternately laminating commercially available prepregs, etc., which are non-woven fabrics impregnated with resin and in a semi-cured state, and expanded graphite sheets, and then pressure-bonded using thermoforming, etc., to form graphite/fiber composite material plates. Ru. In the case of the above lamination, both outer layers are necessarily expanded graphite sheets. This is because if this is not done, the excellent self-lubricating properties of graphite will not be utilized when used for seals and the like.
（作用）
樹脂は、膨張黒鉛シートと織布又は不織布とを強固に結
合させ、複合材料の強度を高めると共に。(Function) The resin firmly bonds the expanded graphite sheet and the woven fabric or non-woven fabric, increasing the strength of the composite material.
膨張黒鉛シート中にも一部含浸され、エンジンオイル等
の液体に対する不浸透性を向上させる。It is also partially impregnated into the expanded graphite sheet, improving its impermeability to liquids such as engine oil.
（実施例） 以下２本発明の詳細な説明する。(Example) Two aspects of the present invention will be described in detail below.
実施例１
板厚０．１６ ｍの平織シのガラス繊維クロス（富士フ
ァイバーグラス製、 ＦＥＣＲ−１３１１）の両面にフ
ェノール樹脂フェス（日立化成工業製。Example 1 A phenolic resin face (manufactured by Hitachi Chemical Co., Ltd.) was placed on both sides of a plain weave glass fiber cloth (manufactured by Fuji Fiberglass, FECR-1311) with a thickness of 0.16 m.
ＶＰ−２０１）を塗布し、９５℃で乾燥して溶剤を除去
すると共に樹脂を半硬化の状態とした。次いで該ガラス
繊維クロスの両面に板厚Ｑ、 ３８ ｍ。VP-201) was applied and dried at 95°C to remove the solvent and bring the resin into a semi-cured state. Next, a plate thickness Q of 38 m was applied to both sides of the glass fiber cloth.
密度１．０ ｇ／ｃｏ＋３の膨張黒鉛シート（日立化成
工業製、商品名カーボフィット）各１枚を積層し。Expanded graphite sheets with a density of 1.0 g/co+3 (manufactured by Hitachi Chemical Co., Ltd., trade name: Carbofit) were laminated.
１８０℃で熱圧成形し、板厚０．８ ｍ＋ｎの黒鉛・繊
維複合材料を得た。A graphite/fiber composite material having a plate thickness of 0.8 m+n was obtained by thermoforming at 180°C.
実施例２
実施例１と同一のガラスイ、栽維クロスの両面にメラミ
ン樹脂フェス（日立化成工業Ｍ、ＶＰ−２０１）を塗布
し、以下実施例１と同一条件で乾燥し、＃張黒鉛シート
を積層し、熱圧して黒鉛・繊維複合材料を得た。Example 2 A melamine resin face (Hitachi Chemical M, VP-201) was applied to both sides of the same glass and fiber cloth as in Example 1, and dried under the same conditions as in Example 1. They were laminated and hot pressed to obtain a graphite/fiber composite material.
実施例３
板厚Ｑ、 ２ （ｎｕｎのガラス繊維クロスーエボキシ
プリブレグ（日立化成モールド製、ＧＥ−６１ＮＳ）の
両面に実施例１と同一の膨張黒鉛シートを各１枚積層し
、実施例１と同一条件で熱圧し、黒鉛・繊維複合材料を
得た。Example 3 Expanded graphite sheets identical to those in Example 1 were laminated on both sides of a glass fiber cloth-epoxy prepreg (manufactured by Hitachi Chemical Mold, GE-61NS) with a plate thickness of Q, 2 (nun). A graphite/fiber composite material was obtained by hot pressing under the same conditions as above.
実施例４
ガラス不織布（日本バイリーン製、ＥＰ−４０２５、板
厚０．２２１ｍｎ ） Ｋエポキシ樹脂ワニス（大日本
インキ工業久、商品名エピクロン１０５１−７５Ｍ、
ビスフェノール型）を含浸し、１３０℃で乾燥して樹
脂分が５０重ｉ％となるよう半硬化状態とした。この両
面に膨張黒鉛シート（日立化成工業製、商品名カーボフ
イット板厚０．２５ ｍ。Example 4 Glass nonwoven fabric (manufactured by Nippon Vilene, EP-4025, thickness 0.221 mm) K epoxy resin varnish (Dainippon Ink Kokyu, trade name Epicron 1051-75M,
(bisphenol type) and dried at 130° C. to a semi-cured state so that the resin content was 50% by weight. Expanded graphite sheets (manufactured by Hitachi Chemical Co., Ltd., trade name: Carbofit, thickness 0.25 m) were used on both sides of this sheet.
密度１．０ｇ／ｃｌ）各１枚を積層し、１８０℃で１０
分間熱圧成形し、板厚が０．５ ｒｒｍの黒鉛・繊維複
合材料とした。(density 1.0 g/cl) were stacked and heated at 180°C for 10
It was hot-pressed for 1 minute to form a graphite/fiber composite material with a plate thickness of 0.5 rrm.
実施例５ セルロース系不織布（リンター紙、太平製紙製。Example 5 Cellulose nonwoven fabric (linter paper, manufactured by Taihei Paper Industries).
ＰＬＰ−１，板厚０．１５調）にフェノール樹脂フェス
（日立化成工業製、ＶＰＩＩＮ）を含浸し。PLP-1, plate thickness 0.15 scale) was impregnated with phenolic resin face (manufactured by Hitachi Chemical Co., Ltd., VPIIN).
９５℃で乾燥して樹脂分が５０重量％となるよう半硬化
状態とした。これを以下実施例１と同一条件にて処理し
て黒鉛・繊維複合材料とした。It was dried at 95° C. to a semi-cured state with a resin content of 50% by weight. This was treated under the same conditions as in Example 1 to obtain a graphite/fiber composite material.
前記各実施例で得られた黒鉛・繊維複合材料及び比較例
として板厚０．８ｏｎ、密度１．４ ｇ ／ｃｍ”の膨
張黒鉛シート（日立化成工業製、商品名カーボフィット
）を用い、引張強さ及び液体不浸透性を測定比較した。Using the graphite/fiber composite material obtained in each of the above examples and an expanded graphite sheet (manufactured by Hitachi Chemical Co., Ltd., trade name: Carbofit) with a thickness of 0.8 on and a density of 1.4 g/cm as a comparative example, tensile The strength and liquid impermeability were measured and compared.
結果を第１表に示す。液体不浸透性は５０重量％エチレ
ングリコール水溶液及びＡＳＴＭで定める８１１３オイ
ルに１００℃、２２時間浸漬したときの１盆増加率及び
圧縮強度を測定して表わした。The results are shown in Table 1. Liquid impermeability was expressed by measuring the rate of increase in one basin and compressive strength when immersed in a 50% by weight ethylene glycol aqueous solution and 8113 oil specified by ASTM at 100°C for 22 hours.
以下余白
第１表から、実施例のものは膨張黒鉛シート単独の比較
例のものに比較して、引張強さは３〜９倍はど大きく、
液体不浸透性も著しく改善されることが明らかである。From Table 1 in the margin below, the tensile strength of the examples is 3 to 9 times greater than that of the comparative example made of expanded graphite sheet alone.
It is clear that the liquid impermeability is also significantly improved.
（発明の効果） 本発明によれば、膨張黒鉛シートとガラス繊維。(Effect of the invention) According to the invention, expanded graphite sheets and glass fibers.
セルロース繊維等の織布又は不織布とを樹脂によシ接合
して複合したので、膨張黒鉛成形体単独の材料に比較し
て９強度及び液体不浸透性が著しく大きく、自動車用ガ
スフット、化学プラント用バンキング材等に使用して強
度低下郷の問題点が解決されるほか、燃料電池部材等従
来の膨張黒鉛成形体では不可能であった新しい用途への
適用が可能となる。Because it is a composite material made by bonding woven or non-woven fabrics such as cellulose fibers with resin, it has significantly greater strength and liquid impermeability than the expanded graphite molded material alone, making it suitable for automobile gas feet and chemical plants. In addition to solving the problem of reduced strength when used in banking materials, it also becomes possible to apply it to new uses that were not possible with conventional expanded graphite molded bodies, such as fuel cell components.
Claims (1)
維からなる織布又は不織布に、液状の樹脂を塗布又は含
浸したものと膨張黒鉛シートとを、両外層が膨張黒鉛シ
ートになるように交互に積層し、圧着してなる黒鉛・繊
維複合材料。1. A woven or nonwoven fabric made of glass fiber, ceramic fiber, carbon fiber, or organic fiber coated with or impregnated with liquid resin and an expanded graphite sheet are alternately laminated so that both outer layers are expanded graphite sheets. A graphite/fiber composite material made by crimping and bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62076762A JP2503497B2 (en) | 1987-03-30 | 1987-03-30 | Graphite / fiber composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62076762A JP2503497B2 (en) | 1987-03-30 | 1987-03-30 | Graphite / fiber composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63242395A true JPS63242395A (en) | 1988-10-07 |
| JP2503497B2 JP2503497B2 (en) | 1996-06-05 |
Family
ID=13614603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62076762A Expired - Lifetime JP2503497B2 (en) | 1987-03-30 | 1987-03-30 | Graphite / fiber composite material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2503497B2 (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5180459A (en) * | 1990-07-26 | 1993-01-19 | Le Carbone Lorraine | Process for producing sealing components from all-carbon composite material |
| JPH10279375A (en) * | 1997-03-31 | 1998-10-20 | Nichias Corp | Cloth composite and its production |
| US5885728A (en) * | 1997-04-04 | 1999-03-23 | Ucar Carbon Technology Corporation | Flexible graphite composite |
| US5902762A (en) * | 1997-04-04 | 1999-05-11 | Ucar Carbon Technology Corporation | Flexible graphite composite |
| US6037074A (en) * | 1998-07-07 | 2000-03-14 | Ucar Carbon Technology Corporation | Flexible graphite composite for use in the form of a fuel cell flow field plate |
| WO2000003445A3 (en) * | 1998-07-09 | 2000-03-23 | Ucar Carbon Tech | Electrode made of flexible graphite composite |
| US6060189A (en) * | 1998-06-03 | 2000-05-09 | Ucar Carbon Technology Corporation | Electrically conductive seal for fuel cell elements |
| US6254993B1 (en) | 1997-06-26 | 2001-07-03 | Graftech Inc. | Flexible graphite sheet with decreased anisotropy |
| US6413663B1 (en) | 2000-06-29 | 2002-07-02 | Graftech Inc. | Fluid permeable flexible graphite fuel cell electrode |
| US6413671B1 (en) | 2000-04-10 | 2002-07-02 | Gaftech Inc. | Flexible graphite article and fuel cell electrode with enhanced electrical and thermal conductivity |
| US6433067B2 (en) | 1998-06-02 | 2002-08-13 | Graftech Inc. | Formable flexible graphite sealing composites |
| US6468686B1 (en) | 2000-01-24 | 2002-10-22 | Graftech Inc. | Fluid permeable flexible graphite fuel cell electrode with enhanced electrical and thermal conductivity |
| US6503652B2 (en) | 2000-06-29 | 2003-01-07 | Graftech Inc. | Fuel cell assembly method with selective catalyst loading |
| US6506484B1 (en) | 2000-01-24 | 2003-01-14 | Graftech Inc. | Fluid permeable flexible graphite article with enhanced electrical and thermal conductivity |
| CN103506082A (en) * | 2012-06-29 | 2014-01-15 | 中原工学院 | Preparation method of flax fiber/expanded graphite composite fiber adsorbing material |
| CN103506095A (en) * | 2012-06-29 | 2014-01-15 | 中原工学院 | Preparation method of kendir fiber/expanded graphite composite fiber adsorbing material |
| JP2014083786A (en) * | 2012-10-25 | 2014-05-12 | Lignyte Co Ltd | Graphite sheet composite material and method for producing the same |
-
1987
- 1987-03-30 JP JP62076762A patent/JP2503497B2/en not_active Expired - Lifetime
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5180459A (en) * | 1990-07-26 | 1993-01-19 | Le Carbone Lorraine | Process for producing sealing components from all-carbon composite material |
| JPH10279375A (en) * | 1997-03-31 | 1998-10-20 | Nichias Corp | Cloth composite and its production |
| US5885728A (en) * | 1997-04-04 | 1999-03-23 | Ucar Carbon Technology Corporation | Flexible graphite composite |
| US5902762A (en) * | 1997-04-04 | 1999-05-11 | Ucar Carbon Technology Corporation | Flexible graphite composite |
| US6254993B1 (en) | 1997-06-26 | 2001-07-03 | Graftech Inc. | Flexible graphite sheet with decreased anisotropy |
| US6433067B2 (en) | 1998-06-02 | 2002-08-13 | Graftech Inc. | Formable flexible graphite sealing composites |
| US6060189A (en) * | 1998-06-03 | 2000-05-09 | Ucar Carbon Technology Corporation | Electrically conductive seal for fuel cell elements |
| US6037074A (en) * | 1998-07-07 | 2000-03-14 | Ucar Carbon Technology Corporation | Flexible graphite composite for use in the form of a fuel cell flow field plate |
| WO2000003445A3 (en) * | 1998-07-09 | 2000-03-23 | Ucar Carbon Tech | Electrode made of flexible graphite composite |
| US6087034A (en) * | 1998-07-09 | 2000-07-11 | Ucar Graph-Tech Inc. | Flexible graphite composite |
| US6548156B2 (en) | 2000-01-24 | 2003-04-15 | Graftech Inc. | Fluid permeable flexible graphite article with enhanced electrical and thermal conductivity |
| US6468686B1 (en) | 2000-01-24 | 2002-10-22 | Graftech Inc. | Fluid permeable flexible graphite fuel cell electrode with enhanced electrical and thermal conductivity |
| US6506484B1 (en) | 2000-01-24 | 2003-01-14 | Graftech Inc. | Fluid permeable flexible graphite article with enhanced electrical and thermal conductivity |
| US6620506B2 (en) | 2000-01-24 | 2003-09-16 | Advanced Energy Technology Inc. | Fluid permeable flexible graphite article with enhanced electrical and thermal conductivity |
| US6413671B1 (en) | 2000-04-10 | 2002-07-02 | Gaftech Inc. | Flexible graphite article and fuel cell electrode with enhanced electrical and thermal conductivity |
| US6503652B2 (en) | 2000-06-29 | 2003-01-07 | Graftech Inc. | Fuel cell assembly method with selective catalyst loading |
| US6413663B1 (en) | 2000-06-29 | 2002-07-02 | Graftech Inc. | Fluid permeable flexible graphite fuel cell electrode |
| CN103506082A (en) * | 2012-06-29 | 2014-01-15 | 中原工学院 | Preparation method of flax fiber/expanded graphite composite fiber adsorbing material |
| CN103506095A (en) * | 2012-06-29 | 2014-01-15 | 中原工学院 | Preparation method of kendir fiber/expanded graphite composite fiber adsorbing material |
| JP2014083786A (en) * | 2012-10-25 | 2014-05-12 | Lignyte Co Ltd | Graphite sheet composite material and method for producing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2503497B2 (en) | 1996-06-05 |
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