JPS6058161B2 - 可撓性層状黒鉛材料およびその製造方法 - Google Patents

可撓性層状黒鉛材料およびその製造方法

Info

Publication number
JPS6058161B2
JPS6058161B2 JP53130370A JP13037078A JPS6058161B2 JP S6058161 B2 JPS6058161 B2 JP S6058161B2 JP 53130370 A JP53130370 A JP 53130370A JP 13037078 A JP13037078 A JP 13037078A JP S6058161 B2 JPS6058161 B2 JP S6058161B2
Authority
JP
Japan
Prior art keywords
graphite material
layered graphite
flexible layered
flexible
layered
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP53130370A
Other languages
English (en)
Other versions
JPS5471792A (en
Inventor
アルフレ−ト・ヒルシユフオ−ゲル
エルンスト・フロイントリンガ−
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIGURI GmbH
Original Assignee
JIGURI GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JIGURI GmbH filed Critical JIGURI GmbH
Publication of JPS5471792A publication Critical patent/JPS5471792A/ja
Publication of JPS6058161B2 publication Critical patent/JPS6058161B2/ja
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
    • C04B35/536—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite based on expanded graphite or complexed graphite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B30/00—Compositions for artificial stone, not containing binders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • F16J15/20—Packing materials therefor
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Laminated Bodies (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Description

【発明の詳細な説明】 本発明は非黒鉛の腐食阻止物質を含む可撓性層状黒鉛材
料に関する。
可撓性層状黒鉛材料の製造には、液体の酸化剤の中に薄
片状の天然黒鉛を浸し、次いで数分間１０００℃で加熱
することば西ドイツ特許第６６８０４号により公知であ
る。
個々の黒鉛粒子はこの処理においてかなり寸法が伸び、
特別の結合剤を添加することなく圧延又はスタンピング
により緻密化し、例えば薄い箔又はより厚い積層状成形
体のような可撓性の扁平構造にすることができる。液体
又は気体に対して不透過性で耐熱性がありかつ自己潤滑
性の層状材料は、特に層材料が例えば金属のような他の
材料に当接するパッキングとして用いられる。二、三の
鋼種は層状黒鉛材料と接触して腐食し、その場合侵食の
強さは周囲の媒質の種類と層状材料中に含む不純物の種
類と量により定まることが判つた。
例えばクロム・ニッケル鋼は完全脱塩水中では層状黒鉛
材料と接触して腐食するが、しカル通常の水道水中では
腐食しない。層状黒鉛材料の精製により侵食は確かに減
少できるが、しかし４０ｐμｍより小さいわずかの灰分
においてもなお侵食を完全に除くことはできない。例え
ば層状材料を高い温度でハロゲンを含むガスにより処理
するような精製法は、その上費用がかかり、例えば可撓
性のような層状材料の特性を悪い方に変える。本発明の
目的は従つて金属材料と接触しても腐食が生じないよう
な層状黒鉛材料を提供することにある。
この目的は本発明により周期律表のＶＩａ族の一つ又は
複数の元素のアルカリ塩を含む可撓性層状黒鉛材料によ
り達成される。
層状黒鉛材料は、比較的経費のかからないナトリウム塩
、特にモリブデン酸ナトリウムを含むのが望ましい。層
状黒鉛材料に対する塩の分量は０．１ないし１．哩量％
であるのが望ましい。本発明を以下例をあげて説明する
。
２層状黒鉛材料から成る板片をできるだけ不働態として
作用する表面層を予め研磨により除去した二つの鋼板の
間に挾み、これを完全脱塩水で満した容器中に室温でつ
るす。
水の伝導度は１μＳ／ｄより小さく、試験期間は１４日
である。試料はそれから乾燥し、侵食量は顕微鏡的に測
定し、その場合腐食の量的な評価は腐食個所の数、大き
さおよび強さを４段階で捕える比較等級に基づく。０は
腐食なしを、３は非常に強い侵食を意味する。
同じ結果は沸騰水において得られる。添加される腐食阻
止塩の耐熱性が、例えば４００℃以上の温度にさらされ
る発電所の電機子のバッキングとしての可撓性層状黒鉛
材料の適用を可能にする。
専ら低温で用いられる層状黒鉛材料は、塩類化合物と共
に一つ又は複数の、大気中ですぐれた安定性を示し長い
貯蔵時間の後ても腐食を効果的に妨げる水溶性の有機腐
食阻止剤、例えば約０．１重量％までの濃度のキノン誘
導体、チオ尿素誘導体又はジアミン誘導体を含むのが望
ましい。本発明による層状黒鉛材料の製造のために膨脹
した黒鉛と粉末状塩が混ぜられ、この混合物が箔などに
圧縮される。他の方法により塩は酸性硫酸黒鉛のような
黒鉛化合物と混合され、次いで可撓性扁平構造に成形さ
れる。可撓性層状黒鉛材料が周期律表のＶＩａ族の一つ
又は複数の元素のアルカリ塩の水溶液に浸され、次いで
脱水のために高温で乾燥される方法が望ましい。約１％
のアルカリ塩を含む溶液が適当である。０．５顛の厚さ
と０．７ｆ／Ａｉの粗密度の黒鉛箔帯のためには浸漬時
間は約０．５〜１分である。

Claims (1)

  1. 【特許請求の範囲】 １ 周期律表のVIａ族の一つ又は複数の元素のアルカリ
    塩を含むことを特徴とする可撓性層状黒鉛材料。 ２ モリブデン酸ナトリウムを含むことを特徴とする特
    許請求の範囲第１項記載の可撓性層状黒鉛材料。 ３ 層状材料が一つ又は複数の水溶性の有機腐食阻止剤
    を含むことを特徴とする特許請求の範囲第１項又は第２
    項記載の可撓性層状黒鉛材料。 ４ 塩の含有量が０．１ないし１．０重量％であること
    を特徴とする特許請求の範囲第１項ないし第３項のいず
    れかに記載の可撓性層状黒鉛材料。 ５ 層状黒鉛材料が周期律表のVIａ族の一つまたは複数
    の元素アルカリ塩の水溶液に浸され、次いで脱水のため
    に高温で乾燥されることを特徴とする可撓性層状黒鉛材
    料の製造方法。
JP53130370A 1977-10-27 1978-10-23 可撓性層状黒鉛材料およびその製造方法 Expired JPS6058161B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2748135.2 1977-10-27
DE2748135A DE2748135C2 (de) 1977-10-27 1977-10-27 Flexibler Graphitschichtstoff

Publications (2)

Publication Number Publication Date
JPS5471792A JPS5471792A (en) 1979-06-08
JPS6058161B2 true JPS6058161B2 (ja) 1985-12-18

Family

ID=6022370

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53130370A Expired JPS6058161B2 (ja) 1977-10-27 1978-10-23 可撓性層状黒鉛材料およびその製造方法

Country Status (5)

Country Link
US (1) US4216266A (ja)
JP (1) JPS6058161B2 (ja)
DE (1) DE2748135C2 (ja)
FR (1) FR2407186A1 (ja)
GB (1) GB1596949A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180202322A1 (en) * 2014-09-26 2018-07-19 Mitsubishi Hitachi Power Systems, Ltd. Boiler, combined cycle plant, and boiler operation method

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2902252C2 (de) * 1979-01-20 1983-11-17 Sigri Elektrographit Gmbh, 8901 Meitingen Flexibler Graphitschichtstoff und Verfahren zu seiner Herstellung
DE3538306C1 (de) * 1985-10-28 1987-04-02 Wiederaufarbeitung Von Kernbre Dichtung fuer drehbare Ventilkoerper,insbesondere fuer Ventile in nukleartechnischen Anlagen
US5149518A (en) * 1989-06-30 1992-09-22 Ucar Carbon Technology Corporation Ultra-thin pure flexible graphite calendered sheet and method of manufacture
DE69736511T8 (de) * 1996-07-05 2007-12-13 Nippon Pillar Packing Co., Ltd. Dichtungsmaterial basierend auf blähgraphit und verfahren zu dessen herstellung
US5985452A (en) * 1997-03-18 1999-11-16 Ucar Carbon Technology Corporation Flexible graphite composite sheet and method
US5846459A (en) * 1997-06-26 1998-12-08 Ucar Carbon Technology Corporation Method of forming a flexible graphite sheet with decreased anisotropy
US6828064B1 (en) 1998-01-07 2004-12-07 Eveready Battery Company, Inc. Alkaline cell having a cathode incorporating enhanced graphite
US6777086B2 (en) 2001-08-31 2004-08-17 Julian Norley Laminates prepared from impregnated flexible graphite sheets
KR100642923B1 (ko) * 2002-06-18 2006-11-03 도요탄소 가부시키가이샤 가요성을 갖는 고순도 팽창 흑연시트와 그 제조방법, 및상기 시트를 이용한 카본 도가니의 내층
CN1777666B (zh) * 2003-04-22 2010-11-03 R.T.范德比尔特公司 有机钨酸铵和有机钼酸铵化合物及其制备方法

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
US504105A (en) * 1893-08-29 eiirenfried corleis and hermann
DE66804C (de) * Dr. phil. W. luzi in Leipzig, Hospitalstr. 18 Verfahren zur Aufbereitung von Graphit
US1566409A (en) * 1923-02-05 1925-12-22 Acheson Graphite Company Impregnated electrode for furnace work
US2417702A (en) * 1943-02-11 1947-03-18 Nat Carbon Co Inc Electrical contact brush
US2597963A (en) * 1947-09-10 1952-05-27 Union Carbide & Carbon Corp Fluid impervious carbon article and method of making same
US2685542A (en) * 1953-04-07 1954-08-03 Great Lakes Carbon Corp Refractory carbon and method of producing the same
FR1395964A (fr) * 1962-03-21 1965-04-16 High Temperature Materials Bande de graphite souple et son procédé de fabrication
GB991581A (en) * 1962-03-21 1965-05-12 High Temperature Materials Inc Expanded pyrolytic graphite and process for producing the same
FR1583200A (ja) * 1968-02-09 1969-10-24
US3713865A (en) * 1968-07-05 1973-01-30 Ducommun Inc Composite product and method of making same
JPS5425913B2 (ja) * 1975-03-24 1979-08-31
DE2608866C3 (de) * 1976-03-04 1980-01-03 Sigri Elektrographit Gmbh, 8901 Meitingen Verfahren zum Herstellen von Graphithydrogensulfat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180202322A1 (en) * 2014-09-26 2018-07-19 Mitsubishi Hitachi Power Systems, Ltd. Boiler, combined cycle plant, and boiler operation method
US10577985B2 (en) * 2014-09-26 2020-03-03 Mitsubishi Hitachi Power Systems, Ltd. Boiler, combined cycle plant, and boiler operation method

Also Published As

Publication number Publication date
DE2748135C2 (de) 1982-10-14
FR2407186B1 (ja) 1983-02-25
US4216266A (en) 1980-08-05
FR2407186A1 (fr) 1979-05-25
DE2748135A1 (de) 1979-05-03
GB1596949A (en) 1981-09-03
JPS5471792A (en) 1979-06-08

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