JPH0830198B2 - Lubricant for non-cutting steel - Google Patents

Lubricant for non-cutting steel

Info

Publication number
JPH0830198B2
JPH0830198B2 JP62234678A JP23467887A JPH0830198B2 JP H0830198 B2 JPH0830198 B2 JP H0830198B2 JP 62234678 A JP62234678 A JP 62234678A JP 23467887 A JP23467887 A JP 23467887A JP H0830198 B2 JPH0830198 B2 JP H0830198B2
Authority
JP
Japan
Prior art keywords
lubricant
binder
weight
solid
cutting
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 - Lifetime
Application number
JP62234678A
Other languages
Japanese (ja)
Other versions
JPS6389593A (en
Inventor
シュタウプ ハンスールドルフ
ペリアル ジャック
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.)
Lonza AG
Original Assignee
Lonza AG
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 Lonza AG filed Critical Lonza AG
Publication of JPS6389593A publication Critical patent/JPS6389593A/en
Publication of JPH0830198B2 publication Critical patent/JPH0830198B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
    • C10M111/04—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a macromolecular organic compound
    • C—CHEMISTRY; METALLURGY
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M103/00—Lubricating compositions characterised by the base-material being an inorganic material
    • C10M103/04—Metals; Alloys
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M103/00—Lubricating compositions characterised by the base-material being an inorganic material
    • C10M103/06—Metal compounds
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/02—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
    • C10M107/12—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation containing aromatic monomer, e.g. styrene
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    • C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/02—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
    • C10M107/14—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation containing conjugated diens
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    • C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/02—Carbon; Graphite
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    • C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/18—Compounds containing halogen
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    • C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/22—Compounds containing sulfur, selenium or tellurium
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    • C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • C10M143/10—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing aromatic monomer, e.g. styrene
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    • C10M143/12—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing conjugated diene
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    • C10M173/00—Lubricating compositions containing more than 10% water
    • C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
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    • C10M2201/042—Carbon; Graphite; Carbon black halogenated, i.e. graphite fluoride
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    • C10M2201/053—Metals; Alloys used as base material
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    • C10M2201/0623—Oxides; Hydroxides; Carbonates or bicarbonates used as base material
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    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
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    • C10N2040/20—Metal working
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    • C10N2040/00—Specified use or application for which the lubricating composition is intended
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    • C10N2040/242—Hot working
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    • C—CHEMISTRY; METALLURGY
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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Lubricants (AREA)

Description

【発明の詳細な説明】 本発明は、固体潤滑剤、結合剤および粘稠剤を含む、
鋼を高温加工する際に用いる潤滑剤に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention comprises a solid lubricant, a binder and a thickening agent,
The present invention relates to a lubricant used when high-temperature working steel.

金属の無切削加工、とくに継目鋼無管製造の際の芯金
の潤滑に、たとえば黒鉛、アルキレン系重合体または共
重合体および分散剤または被膜安定剤を含有する潤滑剤
を用いることが知られている（ドイツ連邦特許明細書第
2450716号。）このような潤滑剤は、いわゆるMPM（多段
式ロール）工程に用いるときには、多くの要求を満たさ
なければならない。すなわち、潤滑剤は水性分散剤を使
用して経済的に適用であって簡単に塗布することがで
き、担体および水の分離後、耐水性の均一で緻密な被膜
が形成され、この被膜は高温高圧下で固体潤滑剤粒子の
均一な分散により、高い機械的安定性を示すものでなけ
ればならない。It is known to use a lubricant containing, for example, graphite, an alkylene-based polymer or copolymer and a dispersant or a film stabilizer for the lubrication of the core metal in the non-cutting processing of metal, especially in the production of seamless steel pipes. (German Federal Patent Specification No.
No. 2450716. Such lubricants must meet many requirements when used in so-called MPM (multi-stage roll) processes. That is, the lubricant is economically applied using an aqueous dispersant and can be easily applied, and after separation of the carrier and water, a uniform and dense coating with water resistance is formed, and this coating has a high temperature. It should exhibit high mechanical stability due to the uniform dispersion of solid lubricant particles under high pressure.

これらの要求を満足する本質的な部分は、結合剤にあ
る。このような結合剤として、ドイツ連邦特許明細書45
0716号などには、ブタジエンおよびスチレンおよびスチ
レン共重合体が挙げてある。An essential part of meeting these requirements is the binder. As such a binder, German Federal Patent Specification 45
No. 0716 and the like list butadiene and styrene and styrene copolymers.

しかし、これら既知の結合剤は、このような潤滑剤に
対する添加量を増大しても、すべての要求を満足させる
ことはできない。結合剤としてのブタジエンは柔かす
ぎ、またスチレンは通常の共重合体を用いても、最適の
被膜を形成することができない。また、ヨーロッパ特許
明細書0164637号には、高温用潤滑剤の例としてスチレ
ン−ブタジエン−共重合体が記載されている。しかし、
その形成には多量の無機塩混合物を必要とするため、た
とえばMPM工程において、耐水性の悪さに起因する不利
な作用を示す。However, these known binders cannot meet all the requirements even with increasing amounts added to such lubricants. Butadiene as a binder is too soft, and styrene cannot form an optimum film even if a usual copolymer is used. Also, European Patent Specification 0164637 describes styrene-butadiene-copolymers as an example of high temperature lubricants. But,
Since its formation requires a large amount of a mixture of inorganic salts, it exhibits a disadvantageous effect due to poor water resistance, for example in the MPM process.

本発明の課題は、上記のような欠点のない潤滑剤を提
供するにある。An object of the present invention is to provide a lubricant that does not have the above-mentioned drawbacks.

本発明によれば、この課題は、結合剤としてカルボキ
シル化スチレン−ブタジエンラテックスを含有する潤滑
剤によって解決される。According to the invention, this problem is solved by a lubricant containing a carboxylated styrene-butadiene latex as a binder.

結合剤としてのカルボキシル化スチレン−ブタジエン
ラテックスは、スチレン含有量が50％、好ましくは70〜
80％のものが用いられる。The carboxylated styrene-butadiene latex as a binder has a styrene content of 50%, preferably 70-
80% is used.

水性分散剤としての結合剤は、潤滑剤の他の成分に対
し固形分で40〜60重量％とするのが好ましい。The binder as the aqueous dispersant is preferably 40 to 60% by weight in solid content with respect to the other components of the lubricant.

分散剤は、この場合、本質的には水中で、既に分散し
ている潤滑剤に加えられ、これに結合できるものでなけ
ればならない。The dispersant must in this case be capable of being added to and binding to the already dispersed lubricant, essentially in water.

潤滑剤の組成は、固体潤滑剤または固体潤滑剤混合
物、好ましくは黒鉛を50〜80重量％、結合剤を乾燥品で
20〜50重量％、および粘稠剤を0.5〜5.0重量％を含有し
てなる。The composition of the lubricant is a solid lubricant or mixture of solid lubricants, preferably 50 to 80% by weight of graphite and the binder in dry form.
20 to 50% by weight, and 0.5 to 5.0% by weight thickener.

また、従来、湿潤、乳化剤、殺菌剤および抗酸化剤の
ような添加剤を加えることが有利であることが判明して
いる。個々の添加量は製品仕様や予備実験によって定め
るが、通常は２重量％以下である。It has also proven heretofore to be advantageous to add additives such as wetting, emulsifying agents, bactericides and antioxidants. The individual addition amount is determined by the product specifications and preliminary experiments, but is usually 2% by weight or less.

本発明による潤滑剤に用いられる個々の成分は、後述
する製品のグループから選ぶことができる。The individual components used in the lubricant according to the invention can be chosen from the group of products mentioned below.

固体潤滑剤としては、黒鉛、MoS2（二酸化モリブデ
ン）またはBNを用いることができる。Graphite, MoS 2 (molybdenum dioxide) or BN can be used as the solid lubricant.

これらの固体潤滑剤の中では、黒鉛がとくに良好な結
果を示す。黒鉛の中でも、純度が高く、たとえば96％以
上で、粒径が300μｍ以下のものがすぐれている。最良
の結果は、純度99.5％で粒径100μｍの場合に得られ
る。Of these solid lubricants, graphite shows particularly good results. Among graphites, those having a high purity, for example, 96% or more and a particle size of 300 μm or less are excellent. Best results are obtained with a purity of 99.5% and a particle size of 100 μm.

潤滑剤は、水性分散液の10〜60重量％の範囲で使用す
べきである。分散液の粘度は、10〜30℃で500〜1500cp
を示すものが好ましい。Lubricants should be used in the range of 10-60% by weight of the aqueous dispersion. The viscosity of the dispersion is 500-1500cp at 10-30 ° C.
Is preferable.

分散液の粘度調整には、粘稠剤または粘稠剤混合物を
用いる。粘稠剤の具体例としては、水溶性の多糖類、ヒ
ドロキシアルキルセルロースまたはカルボキシメチルセ
ルロースなどのアルキルセルロース、ポリビニルアルコ
ール、ポリアクリル酸その誘導体、中和または未中和の
天然ゴムまたはその誘導体（たとえばグアル）、ポリビ
ニルピロリドン、ポリエチレンオキサイド、必要であれ
ば粘土、モンモリロナイト、変性モンモリロナイト、ベ
ントナイトなどの鉱物、および天然ピッチまたは天然ア
スファルトなどの充填材がある。A thickener or a thickener mixture is used to adjust the viscosity of the dispersion. Specific examples of the thickener include water-soluble polysaccharides, alkyl cellulose such as hydroxyalkyl cellulose or carboxymethyl cellulose, polyvinyl alcohol, polyacrylic acid derivatives thereof, neutralized or unneutralized natural rubber or derivatives thereof (eg guar). ), Polyvinylpyrrolidone, polyethylene oxide, if necessary clay, minerals such as montmorillonite, modified montmorillonite, bentonite, and fillers such as natural pitch or natural asphalt.

前述したように、潤滑剤は水性分散液の形態で使用さ
れる。特許請求の範囲第１項による潤滑剤の水性分散液
は、80〜350℃の温度で工具に塗布できる作用をもつ。
すなわち、加熱された表面に塗布すると、分散液の水性
担持液が蒸発し、均一な緻密層をもつ潤滑剤の被膜が形
成される。As mentioned above, the lubricant is used in the form of an aqueous dispersion. The aqueous dispersion of lubricant according to claim 1 has the effect that it can be applied to tools at temperatures of 80 to 350 ° C.
That is, when applied to a heated surface, the aqueous carrier liquid of the dispersion liquid evaporates, and a lubricant film having a uniform dense layer is formed.

この潤滑剤の被膜は均一な耐水性の構造をもち、か
つ、工具を溢れるような大量の冷却媒体を用いても、洗
い流されたり膨潤したりすることはない。The lubricant coating has a uniform, water resistant structure and is not washed or swollen even with the use of large amounts of cooling medium that floods the tool.

本発明による潤滑剤は、たとえば鋼塊または管などの
工作物を加工するために、芯金の挿入を行なう際、とく
に鋼の熱間加工およびいわゆるMPM工程により鋼塊を継
目無管に圧延加工する際に、また場合によっては、連続
圧延、衝撃加工装置、条鋼圧延またはハンマー鍛造にお
いて、軸、ピストン棒またはダイスなどの工具を潤滑す
るのに好適である。The lubricant according to the present invention is used for rolling a steel ingot into a seamless pipe by hot working of steel and a so-called MPM process, particularly when inserting a core metal for processing a work such as a steel ingot or a pipe. It is suitable for lubricating tools such as shafts, piston rods or dies in continuous rolling, impact processing equipment, bar rolling or hammer forging in some cases.

MPM工程における芯金の挿入を行なう際に、従来の潤
滑剤に要求されていた事項は、本発明によりすべて完全
に満足される。とくに80〜350℃の温度で使用し、加工
すると、厚さ10〜100mμの被膜が形成される。この被膜
は耐水性であって、後続する水冷操作によっても何ら影
響を受けない。軸温度150〜250℃では、被膜は良好な機
械的性質（たとえば、ジッケンスの割れ試験で割れ硬度
6.5N）を示す。潤滑剤の耐熱温度は、350℃まで全く問
題がない。The present invention completely satisfies all the requirements for the conventional lubricant when inserting the core metal in the MPM process. Especially when used at a temperature of 80 to 350 ° C. and processed, a film having a thickness of 10 to 100 mμ is formed. The coating is water resistant and is unaffected by subsequent water cooling operations. At an axial temperature of 150-250 ° C, the coating has good mechanical properties (for example, crack hardness in the Jickens crack test).
6.5N). The heat-resistant temperature of the lubricant is no problem up to 350 ° C.

このような効果は、次に述べる実例でも明らかなよう
に、従来の潤滑剤では得られない。Such an effect cannot be obtained with conventional lubricants, as will be apparent from the examples described below.

比較例 １ （ドイツ特許明細書第2450716号による） 組 成：固形物30％、水70％ 固形分:74.3％ 黒鉛 23.2％ SBRラテックス（スチレン34％、ラテ
ックスの固形分換算） 2.0％ アルキルセルロース 0.5％ ケイ酸ナトリウム 粘 度:3100cps.,pH＝9.2 比較例 ２ （ヨーロッパ特許明細書第0164637号による） 組 成：固形物30％、水70％ 固形分:54.0％ 黒鉛 11.0 ポリリン酸（不溶性） 5.0％ ホウ砂 10.0％ ケイ酸ナトリウム 18.0％ ポリスチレン 2.0％ アルキルセルロース 粘 度:2000cps.,pH＝11.0 実施例（本発明） 組 成：固形物45％、水55％ 固形分:74.2％ 黒鉛 24.3％ SBRラテックス （カルボキシル化）（スチレン75％、ラテック
スの固形分換算） 1.0％ 粘土 0.5％ 抗酸化剤 粘 度:2800cps.,pH＝８ 比較例1.2および実施例のように、固形分と分散媒と
しての水から分散液を調製し、これを試験のために金属
表面、すなわち前述した軸の表面に噴霧、塗布した。試
験結果は第１表に示す。Comparative Example 1 (according to German Patent Specification No. 2450716) Composition: Solids 30%, water 70% Solids: 74.3% Graphite 23.2% SBR latex (styrene 34%, latex solids equivalent) 2.0% Alkylcellulose 0.5 % Sodium silicate Viscosity: 3100 cps., PH = 9.2 Comparative Example 2 (according to European Patent Specification 0164637) Composition: 30% solids, 70% water Solids: 54.0% Graphite 11.0 Polyphosphoric acid (insoluble) 5.0 % Borax 10.0% Sodium silicate 18.0% Polystyrene 2.0% Alkyl cellulose Viscosity: 2000cps., PH = 11.0 Example (invention) Composition: 45% solids, 55% water Solids: 74.2% Graphite 24.3% SBR Latex (carboxylated) (75% styrene, calculated as the solid content of latex) 1.0% Clay 0.5% Antioxidant Viscosity: 2800 cps., PH = 8 As in Comparative Example 1.2 and Examples, solid content and dispersion medium Prepare a dispersion from water and try this out. Metal surface for, i.e. sprayed onto the surface of the shaft as described above, was applied. The test results are shown in Table 1.

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ１０Ｎ 50:02 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code Agency reference number FI Technical indication location C10N 50:02

Claims (6)

【特許請求の範囲】[Claims] 【請求項１】鋼を高温で無切削加工する際に用いる，固
体潤滑剤，結合剤および粘稠剤を含む潤滑剤において、
結合剤としてカルボキシル化スチレン−ブタジエンラテ
ックスを用いることを特徴とする潤滑剤。1. A lubricant containing a solid lubricant, a binder and a thickening agent, which is used when cutting steel at high temperature without cutting,
A lubricant characterized by using carboxylated styrene-butadiene latex as a binder. 【請求項２】カルボキシル化スチレン−ブタジエンラテ
ックスのスチレン含有量が50％以上、好ましくは70〜80
％であることを特徴とする特許請求の範囲第１項の潤滑
剤。2. The carboxylated styrene-butadiene latex has a styrene content of 50% or more, preferably 70-80.
%, The lubricant according to claim 1. 【請求項３】水性分散剤としての結合剤が、潤滑剤の他
の成分に対して固形分で40〜60重量％であることを特徴
とする特許請求の範囲第１項または第２項の潤滑剤。3. A binder according to claim 1, wherein the binder as an aqueous dispersant has a solid content of 40 to 60% by weight based on the other components of the lubricant. lubricant. 【請求項４】潤滑剤が、固体潤滑剤とくに黒鉛を50〜80
重量％、特許請求の範囲第１項ないし第３項の結合剤を
乾燥品で20〜50重量％、そして粘稠剤を0.2〜5.0重量％
含んでいることを特徴とする特許請求の範囲第１項ない
し第３項のいずれかの潤滑剤。4. The lubricant is a solid lubricant, especially graphite 50 to 80.
% By weight, 20 to 50% by weight of the binder of claims 1 to 3 on a dry basis and 0.2 to 5.0% by weight of a thickener.
The lubricant according to any one of claims 1 to 3, which contains the lubricant. 【請求項５】潤滑剤が水性分散剤として固形分10〜60重
量％を含有し，これを熱い工具に塗布して水性担持液を
蒸発させ、高い機械的強度をもつ均一な耐水性の潤滑剤
被膜を形成し、工具を冷却後、無切削加工を開始するよ
うしたことを特徴とする特許請求の範囲第１項ないし第
４項のいずれかの潤滑剤。5. A lubricant containing a solid content of 10 to 60% by weight as an aqueous dispersant, which is applied to a hot tool to evaporate an aqueous carrier liquid, and to provide a uniform water-resistant lubrication having high mechanical strength. The lubricant according to any one of claims 1 to 4, wherein a non-cutting process is started after forming the agent film and cooling the tool. 【請求項６】鋼を高温で無切削加工する際に用いる，固
体潤滑剤，結合剤および粘稠剤を含有する潤滑剤を用い
て工具を潤滑する方法において、結合剤としてカルボキ
シル化スチレン−ブタジエンラテックスを用いることを
特徴とする方法。6. A method for lubricating a tool with a lubricant containing a solid lubricant, a binder and a thickening agent, which is used when cutting steel at high temperature without cutting, and a carboxylated styrene-butadiene is used as the binder. A method characterized by using latex.
JP62234678A 1986-09-23 1987-09-18 Lubricant for non-cutting steel Expired - Lifetime JPH0830198B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3800/86A CH669603A5 (en) 1986-09-23 1986-09-23
CH3800/86-6 1986-09-23

Publications (2)

Publication Number Publication Date
JPS6389593A JPS6389593A (en) 1988-04-20
JPH0830198B2 true JPH0830198B2 (en) 1996-03-27

Family

ID=4263721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62234678A Expired - Lifetime JPH0830198B2 (en) 1986-09-23 1987-09-18 Lubricant for non-cutting steel

Country Status (9)

Country Link
EP (1) EP0261438B1 (en)
JP (1) JPH0830198B2 (en)
CN (1) CN1011515B (en)
AR (1) AR243593A1 (en)
AT (1) ATE55145T1 (en)
CH (1) CH669603A5 (en)
DE (1) DE3764052D1 (en)
ES (1) ES2016603B3 (en)
SU (1) SU1632373A3 (en)

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* Cited by examiner, † Cited by third party
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JPH0747756B2 (en) * 1989-08-09 1995-05-24 日本電装株式会社 Aqueous lubrication liquid for cold plastic working of metals
DE69118601T2 (en) * 1990-07-12 1996-09-19 Daido Machinery Forging lubricant and method of making a coating of lubricant on the surface of a linear material
ES2143480T3 (en) * 1992-02-06 2000-05-16 Timcal Ag LUBRICATING AGENT FOR CHUCKS FOR THE MANUFACTURE OF SEAMLESS PIPES.
WO1997002334A1 (en) * 1995-07-04 1997-01-23 Timcal Ag Lubricant for pass rollers
AU2001291574A1 (en) * 2000-09-29 2002-04-08 Kelsan Technologies Corp. Friction control compositions
CA2381678C (en) * 2002-04-12 2005-06-21 Kelsan Technologies Corp. Friction control composition with enhanced retentivity
CN105695076B (en) * 2016-02-26 2018-09-18 常州高特新材料有限公司 A kind of aqueous diamond wire silicon chip cutting fluid
RU2716499C1 (en) * 2019-10-03 2020-03-12 Федеральное государственное бюджетное учреждение науки Ордена Трудового Красного Знамени Институт нефтехимического синтеза им. А.В. Топчиева Российской академии наук (ИНХС РАН) Method of producing biodegradable low-temperature grease based on cellulose
CN115679195B (en) * 2021-07-30 2023-10-17 宝山钢铁股份有限公司 Seamless steel tube for automobile driving shaft and manufacturing method thereof

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Publication number Priority date Publication date Assignee Title
DE2048537A1 (en) * 1970-10-02 1972-04-06 Chemische Fabrik Budenheim, Rudolf A Oetker, 6501 Budenheim Lubricants for hot metal - forming - contg mixed inorganic phosphates in polymer binders
DE2318086A1 (en) * 1973-04-11 1974-10-31 Hoechst Ag FREEZE-THAW STABLE POLYMERLATICES AS ADDITIVES TO Aqueous COOLING LUBRICANTS
US3873458A (en) * 1973-05-18 1975-03-25 United States Steel Corp Resin-containing lubricant coatings
GB1438215A (en) * 1974-05-08 1976-06-03 Lonz Ltd High temperature lubricant
US3925214A (en) * 1974-05-28 1975-12-09 Chemclean Corp Hot forming lubricant composition, system and method
AU499239B2 (en) * 1974-12-19 1979-04-12 Borg-Warner Chemicals Inc. Coating composition
US4544690A (en) * 1983-07-27 1985-10-01 Reichhold Chemicals, Incorporated Aqueous rubberized coal tar emulsion

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ATE55145T1 (en) 1990-08-15
EP0261438A3 (en) 1988-12-07
SU1632373A3 (en) 1991-02-28
EP0261438B1 (en) 1990-08-01
ES2016603B3 (en) 1990-11-16
CH669603A5 (en) 1989-03-31
DE3764052D1 (en) 1990-09-06
EP0261438A2 (en) 1988-03-30
JPS6389593A (en) 1988-04-20
AR243593A1 (en) 1993-08-31
CN87106375A (en) 1988-04-06
CN1011515B (en) 1991-02-06

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