WO2012086564A1 - 金属材料の塑性加工用潤滑剤 - Google Patents

金属材料の塑性加工用潤滑剤 Download PDF

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WO2012086564A1
WO2012086564A1 PCT/JP2011/079283 JP2011079283W WO2012086564A1 WO 2012086564 A1 WO2012086564 A1 WO 2012086564A1 JP 2011079283 W JP2011079283 W JP 2011079283W WO 2012086564 A1 WO2012086564 A1 WO 2012086564A1
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lubricant
organic
metal material
clay mineral
plastic working
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PCT/JP2011/079283
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English (en)
French (fr)
Japanese (ja)
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敦 芹田
康介 幢崎
小見山　忍
藤脇　健史
正人 大竹
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日本パーカライジング株式会社
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Priority to CN201180061110.3A priority Critical patent/CN103261384B/zh
Priority to JP2012549783A priority patent/JP5718944B2/ja
Priority to KR1020137015723A priority patent/KR101497252B1/ko
Publication of WO2012086564A1 publication Critical patent/WO2012086564A1/ja

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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
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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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    • C10M125/10—Metal oxides, hydroxides, carbonates or bicarbonates
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    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/26—Carboxylic acids; Salts thereof
    • C10M129/28—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M129/38—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms
    • C10M129/40—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms monocarboxylic
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/087—Boron oxides, acids or salts
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/14—Inorganic compounds or elements as ingredients in lubricant compositions inorganic compounds surface treated with organic compounds
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
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    • C10M2207/28—Esters
    • C10M2207/287—Partial esters
    • C10M2207/289—Partial esters containing free hydroxy groups
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    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
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    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/086—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type polycarboxylic, e.g. maleic acid
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    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/101—Condensation polymers of aldehydes or ketones and phenols, e.g. Also polyoxyalkylene ether derivatives thereof
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    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/044—Polyamides
    • C—CHEMISTRY; METALLURGY
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    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/045—Polyureas; Polyurethanes
    • C—CHEMISTRY; METALLURGY
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    • C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/06—Organic compounds derived from inorganic acids or metal salts
    • C—CHEMISTRY; METALLURGY
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    • C10M2227/06—Organic compounds derived from inorganic acids or metal salts
    • C10M2227/0605—Organic compounds derived from inorganic acids or metal salts used as base material
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/02—Groups 1 or 11
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
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    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/08—Resistance to extreme temperature
    • C—CHEMISTRY; METALLURGY
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    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/24—Metal working without essential removal of material, e.g. forming, gorging, drawing, pressing, stamping, rolling or extruding; Punching metal
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    • C10N2040/244—Metal working of specific metals
    • C10N2040/245—Soft metals, e.g. aluminum
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    • C10N2040/246—Iron or steel
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    • C10N2040/20—Metal working
    • C10N2040/244—Metal working of specific metals
    • C10N2040/247—Stainless steel

Definitions

  • the present invention provides a metal material to be processed such as steel, stainless steel, aluminum and aluminum alloy, titanium and titanium alloy, copper and copper alloy, magnesium and magnesium alloy, such as forging, wire drawing, tube drawing, rolling, and pressing.
  • a metal material to be processed such as steel, stainless steel, aluminum and aluminum alloy, titanium and titanium alloy, copper and copper alloy, magnesium and magnesium alloy, such as forging, wire drawing, tube drawing, rolling, and pressing.
  • the present invention relates to a lubricant for reducing seizure and frictional resistance at a frictional interface between a metal material to be processed and a tool such as a die, which is generated when plastic working is performed.
  • the technical field in which the present invention is useful is the general field of cold plastic working of the metal material, and the most suitable is the field of cold forging that is susceptible to high contact pressure at the friction interface.
  • the present invention relates to a non-black plasticity of a metal material that is interposed between the friction interface between a metal material to be processed and a tool such as a die and exhibits both seizure resistance and friction reduction ability. It relates to a processing lubricant.
  • lubricant In plastic processing of metal materials such as forging, wire drawing, pipe drawing, rolling, and pressing, the use of lubricant is indispensable because the metal material that is the workpiece and tools such as molds rub against each other at the friction interface. It is.
  • Lubricants in the plastic processing of metal materials intervene in the friction interface and contribute to prevention of seizure (direct contact between metals), reduction of frictional resistance and suppression of wear, etc. This is one of the important factors directly linked to reduction and quality improvement of processed products.
  • plastic deformation is caused by applying a force exceeding the yield stress to the metal material that is the work material, so the friction interface is subjected to extremely high contact pressure, and the work material undergoes deformation work. And affected by heat and surface area increase converted from friction work.
  • Lubricant Since it is necessary for the lubricant to maintain its performance under such severe conditions as high surface pressure, thermal load, and surface area expansion, it has been devised to have both seizure resistance and friction reducing ability. Lubricants have been used.
  • a method of interposing a lubricant such as oils, soaps, waxes, etc., at the friction interface may be used for mild processing, but it is a cooling agent that is forced to slide at a particularly high contact pressure. In inter-forging, etc., direct contact between the workpiece and the mold cannot be prevented, and seizure is likely to occur, so that it is not usually used.
  • a chemical conversion film for plastic working is formed by forming a crystalline chemical conversion film such as phosphate or oxalate on the surface of a metal material that is a workpiece, and then performing a lubricating treatment with soap or the like thereon. Used as a lubricant.
  • the inorganic salt film deposited by chemical reaction on the metal surface that is the workpiece is responsible for seizure resistance, and the upper soap film chemically reacts with the lower inorganic salt to produce metal soap. It forms an ideal lubricating film that exhibits excellent friction reducing ability.
  • a lubricant composition in which a water-soluble polymer or an aqueous emulsion thereof is used as a base material and a solid lubricant and a chemical film forming agent are blended (Patent Document 1)
  • a lubricant composition for plastic working of a metal material (Patent Document 2) and the like show a lubricant in which a lubricating film is formed by simple application and drying based on a synthetic resin.
  • Patent Document 3 a film in which a synthetic resin and a water-soluble inorganic salt are uniformly deposited is formed on the surface of a workpiece, thereby directly It is intended to avoid metal contact, and by adding a lubricating component or the like in the film at an arbitrary ratio, it is shown that performance equal to or higher than that obtained when a lubricating component layer is formed on a phosphate film is shown. ing.
  • Patent Document 4 Metallic material for plastic working having an inclined two-layer lubricating film and manufacturing method thereof.
  • phosphate, sulfate, borate, silicate, molybdate, and tungstate For plastic processing by forming a base layer mainly composed of inorganic compounds such as, and a slanted two-layer lubricating layer composed mainly of metal soap, wax, polytetrafluoroethylene, molybdenum disulfide and graphite. It is shown as a lubricant having the same performance as the chemical conversion film.
  • a lubricant containing a large amount of a solid lubricant such as molybdenum disulfide, tungsten disulfide, or graphite is generally used.
  • These solid lubricants have a hexagonal layered crystal structure, and the friction between them is reduced due to the low bonding force between the layers (van der Waals force, ⁇ bond). It has characteristics suitable for plastic working, such as being well tolerated.
  • solid lubricants examples include: (A) water-soluble inorganic salt, (B) molybdenum disulfide, and “water-based lubricant for plastic processing of metal materials and method for treating lubricating film” (Patent Document 5). It contains one or more lubricants selected from graphite and (C) wax, and these components are dissolved or dispersed in water, and the solid content concentration ratio (mass ratio) (B) / (A) is An aqueous lubricant for plastic working of a metal material characterized by 1.0 to 5.0 and (C) / (A) of 0.1 to 1.0 is shown.
  • solid lubricants such as molybdenum disulfide, tungsten disulfide, and graphite are black, significant contamination is seen as a problem in the working environment, and it has a non-black appearance and excellent lubricity. Solid lubricants are highly desired.
  • Fluorinated graphite is synthesized by fluorinating a carbon material such as graphite with fluorine gas at high temperature (by synthesizing a highly crystalline carbon material at high temperature, a synthetic product with a whiter appearance can be obtained).
  • a carbon material such as graphite with fluorine gas at high temperature
  • fluorine gas at high temperature
  • it is a solid lubricant having a layered structure having a slippery layer plane composed of covalent bonds of carbon and carbon
  • it is a disadvantage that it becomes a very expensive material because it requires raw material costs and high temperature heat treatment.
  • hexagonal boron nitride has a yellowish white or white appearance and has a hexagonal layered structure and is excellent in heat resistance, but has a high bonding strength between layers and a similar structure.
  • the coefficient of friction is higher than molybdenum disulfide and graphite.
  • Polytetrafluoroethylene an organic polymer with a white appearance, is a solid lubricant that expresses a low coefficient of friction due to the fact that the molecular chains are slidable with each other because of its smooth and small cohesive molecular structure.
  • PTFE polytetrafluoroethylene
  • it is an organic substance and chemically inert, it is not as good as an inorganic substance in terms of pressure resistance and heat resistance.
  • a mica having a lamellar structure with cleavable minerals, and sericite which belongs to this, is a solid lubricant with a very fine grain and white appearance.
  • the interlayer is a strong ionic bond, the interlayer is difficult to slip and the friction coefficient is also increased.
  • the friction reducing ability is low for inorganic substances having a layered structure or a cleaved crystal structure such as talc, light calcium carbonate, magnesium hydroxide, and magnesium oxide.
  • melamine cyanurate, amino acid compounds and the like are organic substances and have a friction reducing ability like polytetrafluoroethylene, but are not as good as inorganic substances due to pressure resistance and heat resistance.
  • Soaps and waxes which are lubricant components of general plastic processing lubricants, are vulnerable to shearing, and develop friction reducing ability by receiving heat generated from friction during processing and material deformation. It has almost no seizure resistance.
  • molten lubricant components flow in a tool such as a mold, and are deposited locally together with a lubricant film that has fallen off during processing.
  • the main problem of the present invention is to solve these problems. Specifically, it is not applicable to black-type appearances that can be applied even in strong processing applications and that significantly contaminates the work environment.
  • Another object of the present invention is to provide a lubricant for plastic working of a metal material that is less likely to cause lubrication debris that causes molding defects.
  • a sub-task of the present invention is to provide a lubricant for plastic working of a metal material that can prevent the occurrence of film residue as much as possible in order to omit precision forging.
  • an organically modified clay mineral carrying a cationic organic compound between layers preferably a layered structure having exchangeable cations between layers. It has been found that a lubricant containing a specific ratio of an organically modified clay mineral obtained by ion exchange between a clay mineral and a cationic organic compound) can have both seizure resistance and friction reducing performance.
  • the invention has been completed.
  • One of the features of the present invention is that the appearance is non-black, and the significant contamination in the working environment possessed by a lubricant containing a black solid lubricant such as molybdenum disulfide and graphite is present in the present invention. It disappears by applying.
  • the organic compound that expresses the friction reducing ability is supported between the layers of the layered clay mineral that expresses seizure resistance by chemical bonding. Local deposition due to flow is less likely to occur, leading to the effect of eliminating or minimizing the use of lubricant components such as soaps and waxes.
  • the present invention improves the problem of molding defects caused by the accumulation of lubricating debris, which is possessed by general plastic working lubricants that contain a large amount of lubricant components that have been the cause of lubricating debris.
  • the lubricant according to the present invention is a well-known means of coating with a binder component and the like, and then drying the water contained after application, soaking, etc. It can be interposed at the friction interface of the tool.
  • hue representing hue There are roughly three elements for color expression: hue representing hue, lightness representing brightness, and saturation representing vividness.
  • the lightness is a high value when it becomes white, and a low value when it becomes black.
  • the difference in brightness is used as an index of the degree of dirt.
  • the measurement was performed using a color difference meter through a glass plate on a sample in which an appropriate amount of solid lubricant powder was placed in a glass petri dish and compressed vertically to a thickness of 2 mm.
  • Konica Minolta CR-300, D65 light source, CAE Lab color system L value Konica Minolta CR-300, D65 light source, CAE Lab color system L value
  • the value was about 45 for molybdenum disulfide and about 40 for graphite.
  • the value is lower than the lightness value of molybdenum disulfide and graphite, which are considered to be significantly contaminated in practical use, that is, the material is naturally noticeable in the dark color appearance, and conversely, the lightness is high, that is, the light color appearance. Is considered to be a material that makes contamination less noticeable.
  • a dark color with a lightness less than 50 is defined as “black”, and a bright color with a lightness of 50 or more is defined as “non-black”.
  • the organically modified clay mineral is in the range of 2 to 5% by mass in the solid content ratio
  • the lubricant component is in the range of 1 to 10% by mass in the solid content ratio.
  • the plastic working lubricant can exhibit both extremely excellent seizure resistance and friction reducing ability.
  • the application of the present invention leads to the solution of problems (contamination problems in the working environment of black solid lubricant-containing lubricants and molding defects due to accumulation of lubricating debris) that had previously been involved in plastic working lubricants. There is an effect.
  • FIG. 1 shows a hermetic extrusion mold used in a hermetic extrusion test in an example (an example corresponding to the main problem).
  • FIG. 2 shows a principle diagram of a spike test in an example (an example corresponding to a sub-task) and an appearance after forging.
  • FIG. 3 shows a principle diagram of an upsetting-ball ironing test in an example (an example corresponding to a sub-task) and an appearance after the test.
  • ⁇ Lubricant for plastic working ⁇ (Component A: Organically modified clay mineral)
  • Layered clay mineral A layered clay mineral that is one raw material of the organically modified clay mineral according to the present invention is a cationic organic compound that acts as a base material that imparts seizure resistance and friction reducing ability, and improves the slipperiness between layers.
  • a material having an exchangeable cation capable of undergoing an ion exchange reaction with is used.
  • the layered clay mineral is selected from natural products or synthetic products such as smectite (montmorillonite, beidellite, nontronite, saponite, iron saponite, hectorite, soconite), stevensite, vermiculite, mica group, brittle mica group.
  • smectite montmorillonite, beidellite, nontronite, saponite, iron saponite, hectorite, soconite
  • stevensite vermiculite
  • mica group brittle mica group.
  • synthetic clay mineral having a small particle diameter is more preferable, and specific examples thereof include synthetic mica and hectorite type synthetic smectite.
  • hectorite-type synthetic smectite is preferable for the present invention because it has a small particle size and is easily retained in a lubricant that becomes an extremely thin film at the friction interface.
  • the primary particles of hectorite-type synthetic smectite are two-dimensional platelets with a thickness of about 1 nm, that is, rectangular or disk-like plates.
  • One side or diameter of the plate surface is considered to be 20 to 500 nm, and the thickness is about 1 nm.
  • a synthetic product which is a disk-like particle having a diameter of 20 to 40 nm is on the market.
  • Examples of the synthesis of hectorite smectite include hydrothermal synthesis as disclosed in, for example, Japanese Patent Publication No. 61-12845, Japanese Patent Application Laid-Open No. 5-279002, and the like. Includes a method of synthesizing talc, a transition metal compound, and an alkali silicofluoride by heat treatment as disclosed in, for example, JP-A-6-298522. Is not important.
  • Clay minerals are the main constituent minerals of clay. Layered silicate minerals (phyllosilicate minerals), calcite (calcite), dolomite, feldspars, quartz, zeolites (zeolites), and other chains Those with a structure (Attapulgite, Sepiolite, etc.) and those without a clear crystal structure (Allophane) are called clay minerals. Generally, layered silicate minerals are called layered clay. It is called a mineral.
  • Layered clay minerals have two-dimensional layers of positive and negative ions stacked in parallel to form a crystal structure. In this layer structure, there are two structural units, one that surrounds Si 4+ .
  • the tetrahedral layer is composed of O 2 ⁇ , and the other is composed of an octahedral layer composed of Al 3+ (or Mg 2+ , Fe 2+, etc.) and (OH) ⁇ surrounding it.
  • tetrahedron layer O at the four vertices of the tetrahedron and Si located at the center form an Si—O tetrahedron, which is connected to each other at the three vertices to spread two-dimensionally, and Si 4 O A layer lattice having a composition of 10 is formed. Si 4+ is often replaced by Al 3+ .
  • the octahedron layer In the octahedron layer, the octahedron formed by (OH) or O at the six vertices of the octahedron and Al, Mg, Fe, etc. located at the center of the octahedron is connected at each vertex and spreads two-dimensionally. A layer lattice having a composition of Al 2 (OH) 6 or Mg 3 (OH) 6 is formed.
  • a divalent cation such as Mg 2+
  • a divalent cation enters the lattice point of the cation surrounded by 6 anions, and occupies all of the lattice points.
  • a 2-octahedron type in which trivalent cations (Al 3+, etc.) enter the lattice points and occupy 2/3, and the remaining 1/3 is empty.
  • tetrahedron and octahedron combinations There are two types of tetrahedron and octahedron combinations, one is a 1: 1 type structure with the unit of one tetrahedron layer and one octahedron layer, and the other is two tetrahedrons.
  • one Si 4+ is usually surrounded by four O atoms and has a stable coordination, but sometimes Al 3+ having a slightly larger ion radius than this Si 4+ replaces Si 4+ .
  • Al 3+ having a slightly larger ion radius than this Si 4+ replaces Si 4+ .
  • negative charges are generated with the replacement of Al 3+ and Fe 3+ by Mg 2+ and Fe 2+ .
  • This negatively charged layer is a positive layer such as Li + , K + , Na + , NH 4 + , H 3 O + , Ca 2+ , Mg 2+ , Sr 2+ , Ba 2+ , Co 2+ , Fe 2+ , Al 3+.
  • the ions are electrically neutral due to the presence of ions, resulting in a laminated structure in which these exchangeable cations exist between layers.
  • the cationic organic compound (organic compound inserted and carried between the layers) which is one raw material of the organically modified clay mineral according to the present invention is the interlayer spacing of the layered clay mineral. And an excellent effect as a lubricant for improving the slipperiness between layers.
  • the organic compound examples include at least one cationic organic compound (organic group + cationic group) selected from organic ammonium compounds, organic phosphonium compounds, and organic sulfonium compounds.
  • organic group of the organic compound is not particularly limited, but is a linear, branched or cyclic (having a cyclic group), saturated hydrocarbon group or unsaturated hydrocarbon group having 1 to 30 carbon atoms. A group is preferred.
  • bonded with the carbon atom which comprises a carbon chain or a carbocycle may be substituted by the other substituent, and the one part carbon atom which comprises a carbon chain or a carbocycle is another atom (for example, it may be substituted with O, S, etc., and may further contain another bond (for example, ester bond, ether bond) between the CC chains.
  • Preferable is an organic ammonium compound composed of an aliphatic hydrocarbon group (preferably having 1 to 30 carbon atoms) advantageous for friction reducing ability and an ammonium group advantageous for fixing ability between layers.
  • organic salts used when introducing the organic compound between the layers chloride, bromide, iodide, nitride, fluoride, hydroxide and the like are preferable.
  • Particularly preferred organic salts are quaternary ammonium chlorides (capryltrimethylammonium chloride, lauryltrimethylammonium chloride, stearyltrimethylammonium chloride, dicapryldimethylammonium chloride, dilauryldimethylammonium chloride which are easy to wash away by-product salts with water. Chloride, distearyldimethylammonium chloride, etc.).
  • organic modified clay mineral As a manufacturing method of organic modified clay mineral (means for inserting and supporting an organic compound between layers of layered clay mineral), it is performed by organicizing clay mineral which is a well-known technique.
  • the layered clay mineral has a laminated structure in which a cation is present between layers in order to keep the negative charge in the layer structure electrically neutral, and when dispersed in the aqueous phase, the cation between layers is water. As a result, the particles swell and separate into layer platelets.
  • an organic exchange agent is carried out in the presence of a cationic organic salt, which is an organic agent, and by-product salt is removed by washing with water, dried and pulverized to insert and carry organic compounds between layers.
  • Clay mineral is obtained as a powder material.
  • the type of the exchangeable cation between the layers of the layered clay mineral is preferably Li + or Na + from the viewpoint of ease of hydration or substitution, but can also be used for other types, for example, Ca 2+ is the interlayer.
  • the layered clay mineral present in it can be indirectly organized, for example, by pretreatment such as replacement with Na + in an aqueous Na 2 CO 3 solution.
  • the organic compound carried between the layers of the layered clay mineral in the present invention is adsorbed with a cationic group directed to the negatively charged plate surface, and in a state where organic chains are grown between the layers. It seems to exist.
  • the ammonium group is adsorbed toward the plate surface of the layered clay mineral, and an aliphatic hydrocarbon group is grown between the layers,
  • the aliphatic hydrocarbon group acts as a lubricant component, making the layers very slippery.
  • the lubricant component is carried between the layers, it is possible to express the friction reducing ability without using or reducing the lubricant component such as soaps and waxes as much as possible.
  • Local lubrication debris accumulation due to flow is much less likely to occur than general plastic working lubricants, and the problem of molding defects caused by lubrication debris accumulation is improved.
  • the appearance of the organically modified clay mineral of the present invention as a specific example, the brightness of the synthetic hectorite powder organically treated with distearyldimethylammonium chloride and the untreated synthetic hectorite powder were measured by the same method as described above. Since both are about 95 and have a non-black appearance, they are suitable for the present invention for the purpose of improving the pollution problem of the work environment.
  • the main characteristics are imparting properties in organic materials, such as swelling in organic solvents, imparting viscosity, or improving mechanical properties by kneading into various organic materials, and barrier effects. Is the purpose.
  • the organic compound between the layers imparts swellability in an organic solvent, and the action of the organic compound is different from that of the present invention.
  • the organic compound here is also selected for the purpose of affinity with a polymer material or an organic solvent, and is different from the action of the organic compound of the present invention.
  • Binder component In the lubricant of the present invention, (A) used as a film component for introducing and maintaining an organically modified clay mineral and other blending components at the friction interface with the mold (B) Binder components include sulfate, silica Water-soluble inorganic salts such as acid salts, borates, molybdates, vanadates and tungstates, water-soluble organic salts such as malates, succinates, citrates and tartrates, acrylic resins, Organic polymers such as amide resin, epoxy resin, phenol resin, urethane resin, and polymaleic acid resin are exemplified, but are not particularly limited and are selected in consideration of the required items.
  • Component C Lubricant component
  • soaps sodium stearate, potassium stearate, sodium oleate, etc.
  • metal soaps calcium stearate, magnesium stearate, aluminum stearate, stearin).
  • waxes polyethylene wax, polypropylene wax, carnauba wax, beeswax, paraffin wax, microcrystalline wax, etc.
  • Component D Other components
  • the lubricant of the present invention can be appropriately selected and contained as an example of the other components described below.
  • a black solid lubricant such as molybdenum disulfide, tungsten disulfide, or graphite does not impair the purpose of the present invention, but depending on the amount to be added, it may cause contamination of the work environment, so it must be considered. .
  • Extreme pressure additive Sulfurized olefin, sulfurized ester, sulfite, thiocarbonate, chlorinated fatty acid, phosphate ester, phosphite ester, molybdenum dithiocarbamate (MoDTC), molybdenum dithiophosphate (MoDTP), zinc dithio Sulfur-based extreme pressure additives such as phosphate (ZnDTP), organic molybdenum-based extreme pressure additives, phosphorus-based extreme pressure additives, chlorine-based extreme pressure additives, etc.
  • MoDTC molybdenum dithiocarbamate
  • MoDTP molybdenum dithiophosphate
  • ZnDTP zinc dithio Sulfur-based extreme pressure additives
  • organic molybdenum-based extreme pressure additives organic molybdenum-based extreme pressure additives
  • phosphorus-based extreme pressure additives chlorine-based extreme pressure additives, etc.
  • Viscosity modifiers Hydroxyethyl cellulose, carboxymethyl cellulose, polyacrylic amide, sodium polyacrylate, polyvinyl pyrrolidone, polyvinyl alcohol, smectite clay mineral, finely divided silica, bentonite, kaolin, etc.
  • Nonionic surfactant anionic surfactant, amphoteric surfactant, cationic surfactant, water-soluble Polymer dispersants, etc.
  • the liquid medium of the lubricant according to the present invention is preferably water (for example, deionized water or pure water).
  • the agent may be in a dry form or a concentrated form. In this case, dilute with water on site.
  • composition Next, the composition of each component contained in the lubricant according to the present invention will be described.
  • the lubricant of the present invention contains the organically modified clay mineral in a solid content ratio of 5 to 95% by mass, but if it is less than this range, the lubricity and seizure resistance are insufficient. If it exceeds this range, it becomes difficult to retain the organically modified clay mineral in the film, and seizure resistance cannot be exhibited. More preferably, the organically modified clay mineral is in the range of 10 to 40% by mass in terms of solid content.
  • the ratio is in the range of 0 to 25% by mass.
  • (C) can be contained for the purpose of supplementing the friction reducing ability, but it causes lubrication residue, so it is preferable to make it as small as possible.
  • the forging lubricant may be any combination of component A to component C in the description of plastic processing as a whole.
  • component A as synthetic smectite and / or synthetic mica
  • component B Particularly suitable are combinations of water-soluble inorganic salts (silicates, borates, molybdates, tungstates) and / or polymaleic acid resins, as component C, metal soaps and / or waxes.
  • component C polyethylene wax and / or polypropylene wax are particularly preferred.
  • the forging lubricant contains (Component A) an organically modified clay mineral in a solid content ratio of 2 to 5% by mass. When it is less than this range, the seizure resistance is insufficient. If it exceeds this range, the lubricating film will fall off due to plastic deformation and will tend to adhere to the mold, resulting in insufficient moldability. More preferably, the organically modified clay mineral component is in the range of 2 to 4% by mass in terms of solid content.
  • the forging lubricant contains (Component C) a lubricant component in the range of 1 to 10% by mass in terms of solid content. If it is less than this range, the friction reducing ability is insufficient. When it exceeds this range, the lubricating film adheres to the mold and the moldability becomes insufficient. More preferably, the lubricant component is in the range of 5 to 7% by mass in terms of solid content.
  • the ratio ((A) / (C) ⁇ of the component (A) to the component (C) in the forging lubricant is preferably 2/10 to 5/1, more preferably 2/7 to 4/5. It is.
  • the lubricant of the present invention is applied to a frictional interface by drying the moisture contained in a tool such as a metal material or a die to be processed after being applied or dipped, which is a well-known means.
  • a tool such as a metal material or a die to be processed after being applied or dipped
  • seizure resistance and friction reducing ability in cold forging can be imparted.
  • the seizure resistance is greatly raised, and various bases are applied to the processed material as necessary. Processing may be performed.
  • zinc phosphate treatment As base treatments here, zinc phosphate treatment, iron zinc phosphate treatment, calcium zinc phosphate treatment, iron phosphate treatment, iron oxalate treatment, zirconium oxide treatment, conversion treatment such as aluminum fluoride treatment, alkali silicate
  • the coating treatment include salt treatment, alkali sulfate treatment, alkali borate treatment, alkali metal salt treatment of organic acid salts, and organic polymer film treatment, but there is no particular limitation.
  • the metal material used in the present invention is preferably cleaned by at least one method selected from alkali cleaning, acid cleaning, sand blasting and shot blasting prior to adhering the composition of the present invention.
  • the metal material targeted in the present invention is not particularly limited from the viewpoint of material, but iron, steel, stainless steel, copper, copper alloy, aluminum, aluminum alloy, titanium, titanium alloy, magnesium, magnesium alloy, etc.
  • the metal material which consists of metals is illustrated.
  • the metal material targeted by the present invention is not particularly limited.
  • materials such as wires, pipes, rods, block materials, but also shapes (gears, shafts, etc.) Is also included.
  • the adhesion amount of the film formed as described above needs to be 0.1 to 50 g / m 2 , preferably 0.5 to 30 g / m 2 , and preferably 1 to 25 g / m 2. More preferred. If it is less than 0.1 g / m 2 , the lubricity is insufficient and sufficient performance for plastic working cannot be exhibited. If it exceeds 50 g / m 2 , the surplus is increased, and the residue of the lubricating film is likely to be deposited on the mold, which is not preferable in terms of forming defects and cost.
  • Table 1 shows the component types (A) to (D), the solid content ratio, and the coating amount for the formulations of Examples and Comparative Examples. Subsequently, the details of the preparation method (A) and the treatment liquid preparation method were described. In addition, the ratio in Table 1 is a mass part.
  • D Other components
  • distearyldimethylammonium chloride manufactured by Kao Corp .: Cotamine D86P
  • Cotamine D86P distearyldimethylammonium chloride
  • Stirring was then continued for 1 hour, and the resulting insoluble particles were filtered using filter paper (5C), washed with deionized water, dried in a warm air drying oven at 60 ° C. for 16 hours, and then pulverized to synthesize synthetic smectite. (Organic A) powder was obtained.
  • dioleyldimethylammonium chloride Lion Corp .: ARCARD 2O-75I
  • Example 1 17.4 g of potassium tetraborate was added to 77.4 g of deionized water while stirring with a propeller, and dissolved by heating to 60 ° C. Then, 0.2 g of nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.) and 1.6 g of the prepared synthetic mica (Organic A) were added while stirring the propeller at room temperature, and the solution was stirred for 1 hour with a homogenizer. And dispersed in the liquid. Thereafter, 4 g of polyethylene wax emulsion (manufactured by Mitsui Chemicals, Inc.) was added while stirring the propeller to obtain 100 g of a treatment solution having a concentration of about 20%.
  • Example 2 24.2 g of an epoxy resin aqueous solution (Arakawa Chemical Industries, Ltd.) and 0.4 g of a nonionic surfactant (Shin-Etsu Chemical Co., Ltd.) were prepared while 58.1 g of deionized water was stirred with a propeller. 3 g of synthetic smectite (organic C) and 6 g of calcium carbonate were added, and the liquid was stirred for 1 hour with a homogenizer and dispersed in the liquid.
  • an epoxy resin aqueous solution Arakawa Chemical Industries, Ltd.
  • a nonionic surfactant Shin-Etsu Chemical Co., Ltd.
  • Example 3 While stirring propeller with 76.2 g of deionized water, 13 g of sodium citrate was added and heated to 60 ° C. to dissolve. Thereafter, 0.2 g of a nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.), 3 g of the produced synthetic smectite (organic C) and 2 g of zinc phosphate were added while stirring the propeller at room temperature, and the liquid was homogenized. The mixture was stirred for 1 hour and dispersed in the liquid. Thereafter, 5.6 g of zinc stearate emulsion (manufactured by Chukyo Yushi Co., Ltd.) was added while stirring the propeller to obtain 100 g of a processing solution having a concentration of about 20%.
  • a nonionic surfactant manufactured by Shin-Etsu Chemical Co., Ltd.
  • Example 4 179.8 g of potassium tetraborate was added to 79.8 g of deionized water while stirring with a propeller, and heated to 60 ° C. to dissolve. Then, 0.2 g of nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.) and 3 g of the produced synthetic smectite (Organic C) were added while stirring the propeller at room temperature, and the solution was stirred for 1 hour with a homogenizer. 100 g of a treatment liquid having a concentration of about 20% was obtained by dispersing in the liquid.
  • Example 5 8 g of sodium silicate was added to 75.1 g of deionized water while stirring with a propeller, and heated to 60 ° C. to dissolve. Then, while stirring the propeller at room temperature, 0.4 g of nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.), 5 g of the produced synthetic smectite (organic A), melamine cyanurate (manufactured by Sakai Chemical Industry Co., Ltd.) 4 g was added, and the liquid was stirred with a homogenizer for 1 hour and dispersed in the liquid. Thereafter, 7.5 g of a polypropylene wax emulsion (Mitsui Chemicals, Inc.) was added while stirring the propeller to obtain 100 g of a treatment solution having a concentration of about 20%.
  • nonionic surfactant manufactured by Shin-Etsu Chemical Co., Ltd.
  • Example 6 Preparation of 60 g of styrene-maleic anhydride resin aqueous solution (manufactured by Nichiyu Solution Co., Ltd.) and 0.2 g of nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.) while stirring 28.2 g of deionized water with a propeller 5 g of the synthesized smectite (Organic A) and 1 g of untreated synthetic smectite (Coop Chemical Co., Ltd.) were added, and the liquid was stirred with a homogenizer for 1 hour and dispersed in the liquid.
  • styrene-maleic anhydride resin aqueous solution manufactured by Nichiyu Solution Co., Ltd.
  • nonionic surfactant manufactured by Shin-Etsu Chemical Co., Ltd.
  • Example 7 While stirring the propeller, 7 g of deionized water was added with 5 g of sodium silicate and dissolved by heating to 60 ° C. Then, 0.6 g of a nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.), 7 g of the produced synthetic smectite (organic B) and 4 g of calcium carbonate were added while stirring the propeller at room temperature, and the liquid was mixed with a homogenizer. The mixture was stirred for 1 hour and dispersed in the liquid. Thereafter, 10 g of paraffin wax emulsion (Nippon Seiki Co., Ltd.) was added while stirring the propeller to obtain 100 g of a treatment solution having a concentration of about 20%.
  • a nonionic surfactant manufactured by Shin-Etsu Chemical Co., Ltd.
  • 7 g of the produced synthetic smectite (organic B) and 4 g of calcium carbonate were added while stirring the propeller at room temperature
  • Example 8 97.6 g of potassium tetraborate was added to 77.6 g of deionized water while stirring with a propeller, and dissolved by heating to 60 ° C. Then, 0.4 g of nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.), 7 g of the produced synthetic smectite (organic B) and 2 g of magnesium hydroxide were added while stirring the propeller at room temperature, and the liquid was homogenized. The mixture was stirred for 1 hour and dispersed in the liquid. Thereafter, 4 g of calcium stearate emulsion (manufactured by Modern Chemical Industry Co., Ltd.) was added while stirring with a propeller to obtain 100 g of a treatment liquid having a concentration of about 20%.
  • nonionic surfactant manufactured by Shin-Etsu Chemical Co., Ltd.
  • Example 9 4 g of sodium vanadate was added to 74.9 g of deionized water while stirring with a propeller, and dissolved by heating to 60 ° C. Then, 0.6 g of nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.), 9 g of the prepared synthetic mica (organic A), and 4 g of talc (manufactured by Nippon Talc Co., Ltd.) were added while stirring the propeller at room temperature. The liquid was stirred with a homogenizer for 1 hour and dispersed in the liquid. Thereafter, 7.5 g of polyethylene wax emulsion (Mitsui Chemicals, Inc.) was added while stirring with a propeller to obtain 100 g of a treatment solution having a concentration of about 20%.
  • nonionic surfactant manufactured by Shin-Etsu Chemical Co., Ltd.
  • talc manufactured by Nippon Talc Co., Ltd.
  • Example 10 79.4 g of sodium succinate was added to 79.4 g of deionized water while stirring with a propeller, and heated to 60 ° C. to dissolve. Then, while stirring the propeller at room temperature, 0.6 g of nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.), 9 g of the prepared synthetic mica (Organic A), untreated synthetic mica (manufactured by Coop Chemical Co., Ltd.) 2 g) and 2 g of lithium stearate were added, and the liquid was stirred for 1 hour with a homogenizer and dispersed in the liquid to obtain 100 g of a processing liquid having a concentration of about 20%.
  • nonionic surfactant manufactured by Shin-Etsu Chemical Co., Ltd.
  • Example 11 While propylene stirring 35.6 g of deionized water, 55 g of isobutylene-maleic anhydride resin aqueous solution (manufactured by Kuraray Co., Ltd.) and 0.4 g of nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.) were prepared. 9 g of synthetic mica (Organic A) was added, and the liquid was stirred for 1 hour with a homogenizer and dispersed in the liquid to obtain 100 g of a processing liquid having a concentration of about 20%.
  • synthetic mica Organic A
  • Example 12 While propylene stirring 76.6 g of deionized water, 5 g of polyamide resin (manufactured by Toray Industries, Inc.) was added and heated to 60 ° C. to dissolve. Then, 0.4 g of nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.), 11 g of the prepared natural montmorillonite (organic A), and 2 g of calcium carbonate were added while stirring the propeller at room temperature, and the liquid was mixed with a homogenizer. The mixture was stirred for 1 hour and dispersed in the liquid. Thereafter, 5 g of a polypropylene wax emulsion (Mitsui Chemicals, Inc.) was added while stirring the propeller to obtain 100 g of a treatment solution having a concentration of about 20%.
  • a polypropylene wax emulsion Mitsubishi Chemicals, Inc.
  • Example 13 79.4 g of sodium tartrate was added to 79.4 g of deionized water while stirring with a propeller and heated to 60 ° C. to dissolve. Then, 0.6 g of nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.), 11 g of the produced synthetic smectite (organic B), and a layered structure amino acid compound (manufactured by Ajinomoto Co., Inc.) while stirring the propeller at room temperature. 2 g was added, and the liquid was stirred for 1 hour with a homogenizer and dispersed in the liquid to obtain 100 g of a processing liquid having a concentration of about 20%.
  • nonionic surfactant manufactured by Shin-Etsu Chemical Co., Ltd.
  • a layered structure amino acid compound manufactured by Ajinomoto Co., Inc.
  • Example 14 59.4 g of ammonium molybdate was added to 79.4 g of deionized water while stirring with a propeller, and heated to 60 ° C. to dissolve. Then, 0.6 g of a nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.), 13 g of the prepared synthetic smectite (Organic A), and 2 g of barium stearate were added while stirring the propeller at room temperature, and the liquid was homogenized. The mixture was stirred for 1 hour and dispersed in the liquid to obtain 100 g of a treatment liquid having a concentration of about 20%.
  • a nonionic surfactant manufactured by Shin-Etsu Chemical Co., Ltd.
  • Example 15 While 18.6 g of polyurethane resin aqueous solution (manufactured by Adeka Co., Ltd.) was added to 68.6 g of deionized water with propeller stirring, the mixture was heated to 60 ° C. and dissolved. Then, 0.6 g of a nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.) and 15 g of the prepared synthetic smectite (Organic C) were added while stirring the propeller at room temperature, and the liquid was stirred with a homogenizer for 1 hour. Dispersed in the liquid. Thereafter, 2.5 g of microcrystalline wax emulsion (manufactured by Nippon Seiki Co., Ltd.) was added while stirring the propeller to obtain 100 g of a treatment solution having a concentration of about 20%.
  • Example 16 While propeller stirring 88.2 g of deionized water, 3.5 g of potassium tetraborate was added and heated to 60 ° C. to dissolve. Then, 0.3 g of a nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.), 3.5 g of the produced synthetic smectite (Organic A) and 1.5 g of magnesium hydroxide were added while stirring the propeller at room temperature. The liquid was stirred for 1 hour with a homogenizer and dispersed in the liquid. Thereafter, 3 g of calcium stearate emulsion (manufactured by Modern Chemical Industry Co., Ltd.) was added while stirring the propeller to obtain 100 g of a treatment liquid having a concentration of about 10%.
  • a nonionic surfactant manufactured by Shin-Etsu Chemical Co., Ltd.
  • 3.5 g of the produced synthetic smectite Organic A
  • magnesium hydroxide 1.5 g
  • Example 17 While stirring the propeller, 5 g of deionized water was added with 14 g of sodium succinate and heated to 60 ° C. to dissolve. Thereafter, 0.8 g of a nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.), 18 g of the prepared synthetic smectite (organic B) and 4 g of zinc phosphate are added while stirring the propeller at room temperature, and the liquid is homogenized. The mixture was stirred for 1 hour and dispersed in the liquid. Thereafter, 10 g of polyethylene wax emulsion (manufactured by Mitsui Chemicals, Inc.) was added while stirring the propeller to obtain 100 g of a treatment solution having a concentration of about 40%.
  • a nonionic surfactant manufactured by Shin-Etsu Chemical Co., Ltd.
  • 18 g of the prepared synthetic smectite (organic B) and 4 g of zinc phosphate are added while stirring the propeller
  • Example 18 While propeller stirring 35.8 g of deionized water, 6.7 g of an aqueous phenol resin solution (manufactured by Konishi Chemical Industry Co., Ltd.) and 0.4 g of a nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.) were prepared. 18 g of synthetic mica (Organic A) was added, and the liquid was stirred for 1 hour with a homogenizer and dispersed in the liquid to obtain 100 g of a treatment liquid having a concentration of about 20%.
  • Example 19 97.8 g of potassium tetraborate was added to 77.8 g of deionized water with propeller stirring, and the mixture was heated to 60 ° C. to dissolve. Then, 0.4 g of a nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.) and 9 g of the produced natural montmorillonite (Organic D) were added while stirring the propeller at room temperature, and the liquid was stirred with a homogenizer for 1 hour. Dispersed in the liquid. Thereafter, 3.8 g of calcium stearate emulsion (manufactured by Modern Chemical Industry Co., Ltd.) was added while stirring with a propeller to obtain 100 g of a processing solution having a concentration of about 20%.
  • a nonionic surfactant manufactured by Shin-Etsu Chemical Co., Ltd.
  • Organic D 9 g of the produced natural montmorillonite
  • Example 20 11 g of sodium silicate was added to 76.6 g of deionized water while stirring with a propeller, and heated to 60 ° C. to dissolve. Then, while stirring the propeller at room temperature, 0.4 g of a nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.) and 7 g of the prepared synthetic mica (Organic D) were added, and the liquid was stirred with a homogenizer for 1 hour. Dispersed in the liquid. Thereafter, 5 g of polyethylene wax emulsion (Mitsui Chemicals, Inc.) was added while stirring the propeller to obtain 100 g of a treatment solution having a concentration of about 20%.
  • a nonionic surfactant manufactured by Shin-Etsu Chemical Co., Ltd.
  • Organic D 7 g of the prepared synthetic mica
  • ⁇ Method for preparing treatment liquid of comparative example ⁇ (Comparative Example 1) Preparation of 80 g of styrene-maleic anhydride resin aqueous solution (manufactured by Nichiyu Solution Co., Ltd.) and 0.2 g of nonionic surfactant (manufactured by Shin-Etsu Chemical Co., Ltd.) while stirring 12.4 g of deionized water with a propeller 0.6 g of the synthesized mica (organic A) was added, and the liquid was stirred for 1 hour with a homogenizer and dispersed in the liquid. Thereafter, 6.8 g of calcium stearate emulsion (manufactured by Modern Chemical Industry Co., Ltd.) was added while stirring the propeller to obtain 100 g of a treatment liquid having a concentration of about 20%.
  • ⁇ Processing conditions> According to the invention of JP-A-5-7969, a 200-ton crank press is used, a constrained finish flat die (SKD11) is set on the top, and a mirror finish funnel-like die (SKD11) is set on the bottom. A test piece was placed in the center of the plate and struck from above (processing speed was 30 strokes / min). The seizure resistance was evaluated by observing the degree of seizure at the spike tip of the test piece after processing. ⁇ Evaluation criteria> ⁇ Evaluate the presence or absence of seizure by observing the spike tip of the specimen after seizure resistance processing. ⁇ : No seizure ⁇ : Micro seizure ⁇ : Severe seizure
  • Table 2 shows the results of the above tests.
  • Examples 1 to 20 using the present invention exhibit a practical level of lubricity and seizure resistance, and there are few lubrication residues generated during processing.
  • Comparative Example 1 with a small amount of the organically modified clay mineral is inferior in lubricity and seizure resistance, and in Comparative Example 2 in which the amount is too large, seizure resistance and lubrication residue resistance are inferior due to the removal of the components.
  • Comparative Example 3 containing a layered clay mineral in which no organic compound is inserted, the lubricity is inferior, and in Comparative Example 4 containing a lubricant component to compensate for it, the lubrication residue resistance is inferior.
  • Comparative Examples 5 to 7 which are a combination of a general solid lubricant and a lubricant component, there was a tendency that the evaluation of lubricity and seizure resistance and the evaluation of lubrication resistance were contradictory.
  • Comparative Examples 7 to 8 using a black solid lubricant had good lubricity and seizure resistance, but of course, the mold periphery was contaminated black.
  • Table 3 shows an example of the determination result (friction reduction ability) in the spike test when the combination of components A to C is changed.
  • the adhesion amount of the lubricating film was 10 g / m 2 (the same applies to other tests).
  • FIG. 2 shows the principle diagram of the spike test in this example and the appearance after forging.
  • the matters not specifically mentioned, such as the production method of the agent were carried out according to “1. Examples corresponding to main problems”.
  • a combination of synthetic mica or montmorillonite as component A, potassium tetraborate, sodium tungstate or sodium molybdate as component B, and polyethylene wax as component C is particularly good.
  • Table 4 shows the result of verifying the amount of residue transferred to the mold when the solid content ratio of the polyethylene wax was changed after fixing the synthetic mica at 3 mass% (upsetting test). . From this result, it can be seen that if the upper limit value is up to 10% by mass, reduction of the amount of residue transferred to the mold can be ensured even if wax is contained.
  • Table 5 shows the result of verifying the difficulty of falling off the film residue when the solid content ratio of the synthetic mica is changed after fixing the polyethylene wax at 5% by mass.
  • Test upset-ball ironing test
  • FIG. 3 shows the principle diagram of the upsetting-ball ironing test in this example and the appearance after the test. From this result, it can be seen that if the upper limit value is up to 5% by mass, it is possible to ensure that the coating residue does not easily fall off even if an organically modified clay mineral is contained.
  • Table 6 shows the determination result (anti-seizure ability) in the upsetting-ball ironing test when the content of the organically modified clay mineral was changed after fixing polyethylene wax at 5% by mass. From this result, it is understood that the seizure resistance can be secured if the organic modified clay mineral is contained in an amount of 2% by mass as the lower limit.

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  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Lubricants (AREA)
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JP2016222793A (ja) * 2015-05-29 2016-12-28 日本パーカライジング株式会社 含水潤滑膜剤、表面処理金属材料、及び、金属材料の含水潤滑膜形成方法
WO2019004328A1 (ja) 2017-06-29 2019-01-03 日本パーカライジング株式会社 潤滑剤、金属材、金属材の塑性加工方法及び成形加工金属材の製造方法
JP2019203037A (ja) * 2018-05-21 2019-11-28 ユシロ化学工業株式会社 水性冷間塑性加工用潤滑剤組成物
EP3705556A1 (de) * 2019-03-04 2020-09-09 Saarstahl Aktiengesellschaft Schmierstoff zur metallumformung, insbesondere zur umformung von stahl, und verfahren zur herstellung des umformschmierstoffs
JP2021026102A (ja) * 2019-08-02 2021-02-22 エルジー ディスプレイ カンパニー リミテッド フレキシブル表示装置及びフレキシブル表示装置の製造方法
US11261397B2 (en) 2017-11-01 2022-03-01 Moresco Corporation Lubricant composition for plastic processing
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JP2013209625A (ja) * 2012-02-27 2013-10-10 Kobe Steel Ltd 塑性加工用水溶性潤滑剤、塑性加工用金属材および金属加工品
EP2735592A1 (en) * 2012-11-26 2014-05-28 Hydro Aluminium Rolled Products GmbH Coating of a metal sheet or strip
JP5549957B1 (ja) * 2013-07-10 2014-07-16 大同化学工業株式会社 水性冷間塑性加工用潤滑剤組成物
JP2015017171A (ja) * 2013-07-10 2015-01-29 大同化学工業株式会社 水性冷間塑性加工用潤滑剤組成物
EP3290544A4 (en) * 2015-04-27 2018-10-10 Nihon Parkerizing Co., Ltd. Water-based lubricating coating agent for metal material, surface-treated metal material, and method for forming lubricating coating for metal material
US10760029B2 (en) 2015-04-27 2020-09-01 Nihon Parkerizing Co., Ltd. Water-based lubricating coating agent for metal material, surface-treated metal material, and method for forming lubricating coating for metal material
JP2016204724A (ja) * 2015-04-27 2016-12-08 日本パーカライジング株式会社 金属材料用水系潤滑皮膜剤、表面処理金属材料及び金属材料の潤滑皮膜形成方法
JP2016204577A (ja) * 2015-04-27 2016-12-08 日本パーカライジング株式会社 固体潤滑剤、金属材料用潤滑皮膜剤、表面処理金属材料、及び金属材料の潤滑皮膜形成方法
WO2016174923A1 (ja) * 2015-04-27 2016-11-03 日本パーカライジング株式会社 固体潤滑剤、金属材料用潤滑皮膜剤、表面処理金属材料、及び金属材料の潤滑皮膜形成方法
WO2016185876A1 (ja) * 2015-05-15 2016-11-24 日本パーカライジング株式会社 水性潤滑剤、金属材料及び金属加工品
JP2016222793A (ja) * 2015-05-29 2016-12-28 日本パーカライジング株式会社 含水潤滑膜剤、表面処理金属材料、及び、金属材料の含水潤滑膜形成方法
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US11261397B2 (en) 2017-11-01 2022-03-01 Moresco Corporation Lubricant composition for plastic processing
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