JPS63162586A - Impermeable carbon board - Google Patents
Impermeable carbon boardInfo
- Publication number
- JPS63162586A JPS63162586A JP31156086A JP31156086A JPS63162586A JP S63162586 A JPS63162586 A JP S63162586A JP 31156086 A JP31156086 A JP 31156086A JP 31156086 A JP31156086 A JP 31156086A JP S63162586 A JPS63162586 A JP S63162586A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- carbon
- impermeable
- expanded graphite
- mat
- 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.)
- Pending
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 35
- 229910052799 carbon Inorganic materials 0.000 title claims description 19
- 229910002804 graphite Inorganic materials 0.000 claims description 15
- 239000010439 graphite Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 239000002966 varnish Substances 0.000 claims description 3
- 239000007849 furan resin Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000003575 carbonaceous material Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 229910021397 glassy carbon Inorganic materials 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 101100495256 Caenorhabditis elegans mat-3 gene Proteins 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000013040 bath agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 229920006015 heat resistant resin Polymers 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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】
（産業上の利用分野）
本発明は１機械的強度、電気伝導性、シール性等にすぐ
れ、燃料電池用セパレータ、電磁シールド材、耐食性バ
ンキングなどに利用される不浸透性炭素板に関する。Detailed Description of the Invention (Field of Industrial Application) The present invention is an impermeable material that has excellent mechanical strength, electrical conductivity, sealing properties, etc. and is used in fuel cell separators, electromagnetic shielding materials, corrosion-resistant banking, etc. Regarding carbon plates.
（従来の技術）
従来、不浸透性炭素板としては、炭素焼結体に樹脂を含
浸した樹脂含浸炭素材、熱硬化性樹脂を不活性雰囲気で
焼成して得られるガラス状カーボン、天然のリン片状黒
鉛を硫酸と酸化剤で処理し。(Prior art) Conventionally, impermeable carbon plates include resin-impregnated carbon materials obtained by impregnating a carbon sintered body with resin, glassy carbon obtained by firing thermosetting resin in an inert atmosphere, and natural phosphorus. Treat flaky graphite with sulfuric acid and an oxidizing agent.
これを加熱膨張佐シート状に成形して得られる膨張黒鉛
シートなどが使われている。Expanded graphite sheets obtained by heating and molding this into expanded graphite sheets are used.
（発明が解決しようとする問題点）
しかしながら樹脂含浸炭素材は、板状の製品を得るため
に直方体または円柱体のブロックからの切削ＪＪＯ工が
必要であり９反りのない加工が難しく製品は高価格にな
る。(Problems to be solved by the invention) However, resin-impregnated carbon materials require JJO cutting from a rectangular parallelepiped or cylindrical block to obtain a plate-shaped product, making it difficult to process without warping and making the product expensive. It comes down to price.
ガラス状カーボンは焼成前に１品形状に成形加工できる
が、焼成時の寸法収縮の安定化が難しく製品形状に制限
がある。この焼成品は？１史く又恢加工は極めて難しい
。Glassy carbon can be molded into a single product shape before firing, but it is difficult to stabilize the dimensional shrinkage during firing, which limits the shape of the product. What about this fired product? 1 History Kumatatsu processing is extremely difficult.
一方、膨張黒鉛シートは柔かく弾性に富み、打抜切断加
工が容易であるが９強度が低く金ＦＡ＆などの芯材が必
要である。塘た薬液を吸収しやすくそれによる強度低下
の問題がある。On the other hand, expanded graphite sheets are soft and highly elastic, and are easy to punch and cut, but they have low strength and require a core material such as gold FA&. There is a problem in that it easily absorbs the chemical solution that has been applied, resulting in a decrease in strength.
本発明は上記した問題を解消し、加工性１機械的強度共
に優れる不浸透性炭素板を提供することを目的とする。An object of the present invention is to solve the above problems and provide an impermeable carbon plate that is excellent in both workability and mechanical strength.
（問題点を解決するための手段）
本発明は、不織布からなるマットに樹脂液を含没後、該
マントと膨張黒鉛シートとを積層成形してなる不浸透性
炭素板に関する。(Means for Solving the Problems) The present invention relates to an impermeable carbon plate formed by impregnating a mat made of nonwoven fabric with a resin liquid and then laminating and molding the mat and an expanded graphite sheet.
不織布からなるマントは、炭素繊維、グラスウール、セ
ルロース繊維、フェノール樹脂繊維等をフェルト状など
に形成したものが使われ、ｅ科電池セパレータなど導電
性を要求されるものには。Nonwoven fabric cloaks are made of carbon fiber, glass wool, cellulose fiber, phenolic resin fiber, etc. formed into a felt shape, and are used for items that require electrical conductivity, such as e-class battery separators.
炭素繊維のフェルトが好ましい。Carbon fiber felt is preferred.
樹脂液は、フェノール樹脂、フラン樹脂、エポキシ樹脂
などの熱硬化性樹脂またはフッ素樹脂。The resin liquid is a thermosetting resin such as phenol resin, furan resin, epoxy resin, or fluororesin.
シリコン樹脂などの耐熱性樹脂を単独又は複合して適当
な溶剤で希釈したワニスが用いられ、該ワニスにカーボ
ンブランクなどのフィラーを分散させたものが好ましい
。マントへの樹脂液の含浸は公知の方法による。A varnish prepared by diluting a heat-resistant resin such as a silicone resin alone or in combination with an appropriate solvent is used, and a varnish in which a filler such as a carbon blank is dispersed is preferable. The resin liquid is impregnated into the cloak by a known method.
樹脂含浸されたマントは６０〜１００℃の温度で乾燥し
て浴剤を蒸発させる。膨張黒鉛シートは。The resin-impregnated mantle is dried at a temperature of 60-100°C to evaporate the bath agent. Expanded graphite sheet.
板厚０．５印以下、密度０．５ｇ／ｃｍ３程度のものが
好ましい。特に好ましくは、０．２−以下、密度１．４
ｇ ７０ｍ”である。板厚が厚すぎ、又低密度のものは
成形時にシートに含まれる気体が抜けきれず、バブル状
の気泡を表面に残すことがある。It is preferable to have a thickness of 0.5 marks or less and a density of about 0.5 g/cm3. Particularly preferably 0.2- or less, density 1.4
g 70m''. If the sheet is too thick or has a low density, the gas contained in the sheet may not be able to escape completely during molding, leaving bubbles on the surface.
マットと膨張黒鉛シートとは、積層され、プレスまたは
ロールで加熱成形される。成形温度は。The mat and expanded graphite sheet are laminated and heated and formed using a press or roll. What is the molding temperature?
１３０℃〜１８０℃が好ましい。成形圧力は１００ｋｇ
／ｃｍ” 〜２００ ｋｇ／Ｃｍ”が好ましいが、符に
ＩＩＩＩＩ限はない。130°C to 180°C is preferred. Molding pressure is 100kg
/cm" to 200 kg/cm", but there is no limit to the number.
成形品は、２００〜４００℃の温度でアフターキュアー
することが好ましい。The molded article is preferably after-cured at a temperature of 200 to 400°C.
不浸透性炭素板の形状は、平板のほか用途に応じ例えば
第４図のような波状板にしてもよく、待に制限はない。The shape of the impermeable carbon plate is not limited to a flat plate, but may be a corrugated plate as shown in FIG.
（作用）
上記のように構成された不浸透性炭素板は、マントによ
り強度が向上し、膨張黒鉛シートにより不浸透性が保持
される。マットに含浸された樹脂は、膨張黒鉛シートと
マットとを強固に接合し。(Function) The impermeable carbon plate configured as described above has its strength improved by the cloak, and its impermeability is maintained by the expanded graphite sheet. The resin impregnated into the mat firmly bonds the expanded graphite sheet and the mat.
膨張黒鉛シートの強度低下を防止する。又本不浸透性炭
素材は金型により様々な形状に成形でき。Prevents the strength of expanded graphite sheets from decreasing. Additionally, this impermeable carbon material can be molded into various shapes using a mold.
さらに成形品は打ち抜き、切断などの機械加工が容易で
ある。Furthermore, the molded product can be easily machined such as punching and cutting.
（実施例）
実施例１
炭素横軸フェルト（呉羽化学製、商品名りレカフエルト
Ｆ−２０５，板厚５ｍｍ）金、フェノール樹脂（日立化
成工業製、商品名ＶＰ−Ｉ ＩＮ ）４０重量部をアセ
トン６０重量部で希釈したのち５重量部のカーボンブラ
ンク（米国キャボント社製、ＶＵＬＣＡＮ■ＸＣ−７２
Ｒ）を混合した樹脂液中に３分間浸漬し、それを６０℃
で２時間、８０℃で１時間乾燥してマットとした。該マ
ツ）１板厚０．２５ｍｍ、ｆｆｉ度１．２ ｇ ／ Ｃ
ｍ”の膨張黒鉛シート（日立化成工業製、カーポフィッ
ト）ではさみ、波状形ｆ、２５０℃で２時間アフターキ
ュアーした。(Example) Example 1 40 parts by weight of carbon horizontal felt (manufactured by Kureha Chemical Co., Ltd., trade name Rekafelt F-205, plate thickness 5 mm), gold, phenol resin (manufactured by Hitachi Chemical Co., Ltd., trade name VP-I IN) in acetone After diluting with 60 parts by weight, 5 parts by weight of carbon blank (manufactured by Cavonto, USA, VULCAN XC-72)
R) was immersed in the mixed resin solution for 3 minutes and heated to 60°C.
It was dried for 2 hours at 80° C. and for 1 hour at 80° C. to form a mat. Pine) 1 board thickness 0.25mm, ffi degree 1.2g/C
The sample was sandwiched between expanded graphite sheets (manufactured by Hitachi Chemical Co., Ltd., Carpofit) with a diameter of 1.5 mm, and after-cured at 250° C. for 2 hours in a wavy shape.
第１図において１は膨張黒鉛シート、２は樹脂含浸した
マットである。成形品の板厚は３１ｍ１１．突起の高さ
Ｆｉ１画である。In FIG. 1, 1 is an expanded graphite sheet, and 2 is a resin-impregnated mat. The thickness of the molded product is 31m11. The height of the protrusion is Fi 1 stroke.
実施例２
炭素繊維フェルト（呉羽化学製、カーボンペーパーＥ７
０４．板厚０．４ ｍｍ ）を実施例１と同じ樹脂液に
３分間浸漬し、６０℃１時間、８０°０１時間乾燥した
。該マットを板厚０．２睡、密度１．４ｇ／ａｍ”の膨
張黒鉛７−トではさみ、温度１５０’Ｃの加熱ロールで
第２図に示すようなシート状に成形した後、２５０℃で
２時間アフターキュアーした。Example 2 Carbon fiber felt (manufactured by Kureha Chemical Co., Ltd., Carbon Paper E7
04. A plate (thickness: 0.4 mm) was immersed in the same resin solution as in Example 1 for 3 minutes, and dried at 60°C for 1 hour and at 80°C for 1 hour. The mat was sandwiched between sheets of expanded graphite having a thickness of 0.2 mm and a density of 1.4 g/am'', and was formed into a sheet shape as shown in Fig. 2 using heated rolls at a temperature of 150'C. After-cure for 2 hours.
成形品の板厚は０．６−である。The plate thickness of the molded product is 0.6-.
実施例１及び２で得られた不浸透性炭素板の強度と加工
性を従来材と比較して第１表に示した。The strength and workability of the impervious carbon plates obtained in Examples 1 and 2 are shown in Table 1 in comparison with conventional materials.
以ｒ ：＋’、 ＋’Ｊ 第 １ 表 注；従来材の銘柄 １）日立化成工業製、ＰＤ−１１Ｆ ２）東海カーボン製、ＧＣ−１０ ３）日立化成工業製、カーボフィット 第１表から実施例のものは２曲げ強度が大きく。From: +', +'J Table 1 Note: Brand of conventional material 1) Manufactured by Hitachi Chemical, PD-11F 2) Manufactured by Tokai Carbon, GC-10 3) Manufactured by Hitachi Chemical, Carbofit From Table 1, the examples have a high bending strength.
薬液吸収量が小で、打抜加工性に優れ、全体としてバラ
ンスのとれていることがわかる。It can be seen that the amount of chemical liquid absorbed is small, the punching workability is excellent, and the material is well-balanced as a whole.
（発明の効果）
本発明の不浸透性炭素板は９機械強度、耐薬液吸収性及
び加工性に優れるものである。(Effects of the Invention) The impermeable carbon plate of the present invention has excellent mechanical strength, chemical absorption resistance, and processability.
第１図及び第２図は本発明の実施例になる不浸透性炭素
板の断面図である。
符号の説明
１・・・膨張黒鉛シート ２・・・マット３・・・
突起1 and 2 are cross-sectional views of an impermeable carbon plate according to an embodiment of the present invention. Explanation of symbols 1... Expanded graphite sheet 2... Mat 3...
protrusion
Claims (1)
と膨張黒鉛シートとを積層形成してなる不浸透性炭素板
。 ２、不織布からなるマットが炭素繊維のフェルトである
特許請求の範囲第１項記載の不浸透性炭素板。 ３、樹脂液がフェノール樹脂又はフラン樹脂のワニスに
カーボン粉末を加えた樹脂液である特許請求の範囲第１
項又は第２項記載の不浸透性炭素板。[Claims] 1. An impermeable carbon plate formed by impregnating a mat made of nonwoven fabric with a resin liquid and then laminating the mat and an expanded graphite sheet. 2. The impermeable carbon plate according to claim 1, wherein the mat made of nonwoven fabric is carbon fiber felt. 3. Claim 1, wherein the resin liquid is a resin liquid obtained by adding carbon powder to a phenol resin or furan resin varnish.
Impermeable carbon plate according to item 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31156086A JPS63162586A (en) | 1986-12-25 | 1986-12-25 | Impermeable carbon board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31156086A JPS63162586A (en) | 1986-12-25 | 1986-12-25 | Impermeable carbon board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63162586A true JPS63162586A (en) | 1988-07-06 |
Family
ID=18018699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31156086A Pending JPS63162586A (en) | 1986-12-25 | 1986-12-25 | Impermeable carbon board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63162586A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0469166A1 (en) * | 1990-07-31 | 1992-02-05 | Lignyte Co., Ltd. | A method for preparing an electromagnetic wave shielding material |
| US6492054B1 (en) * | 1998-11-30 | 2002-12-10 | Sanyo Electric Co., Ltd. | Polymer electrolyte fuel cell including a water-retaining layer on a ribbed plate |
| US6800328B2 (en) | 2001-07-31 | 2004-10-05 | Ballard Power Systems Inc. | Process for impregnating porous parts |
-
1986
- 1986-12-25 JP JP31156086A patent/JPS63162586A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0469166A1 (en) * | 1990-07-31 | 1992-02-05 | Lignyte Co., Ltd. | A method for preparing an electromagnetic wave shielding material |
| US6492054B1 (en) * | 1998-11-30 | 2002-12-10 | Sanyo Electric Co., Ltd. | Polymer electrolyte fuel cell including a water-retaining layer on a ribbed plate |
| US6800328B2 (en) | 2001-07-31 | 2004-10-05 | Ballard Power Systems Inc. | Process for impregnating porous parts |
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