EP0116882B1 - Agent de séparation et de lubrification à l'état solide - Google Patents

Agent de séparation et de lubrification à l'état solide Download PDF

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Publication number
EP0116882B1
EP0116882B1 EP84101118A EP84101118A EP0116882B1 EP 0116882 B1 EP0116882 B1 EP 0116882B1 EP 84101118 A EP84101118 A EP 84101118A EP 84101118 A EP84101118 A EP 84101118A EP 0116882 B1 EP0116882 B1 EP 0116882B1
Authority
EP
European Patent Office
Prior art keywords
agent
release
lubricating
lubricating agent
lubricant
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
EP84101118A
Other languages
German (de)
English (en)
Other versions
EP0116882A3 (en
EP0116882A2 (fr
Inventor
Jacques Dr. Périard
Alain Dr. Cron
Francis Dr. Fischer
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
Priority to AT84101118T priority Critical patent/ATE49018T1/de
Publication of EP0116882A2 publication Critical patent/EP0116882A2/fr
Publication of EP0116882A3 publication Critical patent/EP0116882A3/de
Application granted granted Critical
Publication of EP0116882B1 publication Critical patent/EP0116882B1/fr
Expired legal-status Critical Current

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    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239—Lubricating
    • B21B45/0245—Lubricating devices
    • B21B45/0263—Lubricating devices using solid lubricants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
    • B21B25/04—Cooling or lubricating mandrels during operation
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C—CHEMISTRY; METALLURGY
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
    • C—CHEMISTRY; METALLURGY
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
    • C10M2201/042—Carbon; Graphite; Carbon black halogenated, i.e. graphite fluoride
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    • C10M2201/06—Metal compounds
    • C10M2201/061—Carbides; Hydrides; Nitrides
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    • C10M2201/065—Sulfides; Selenides; Tellurides
    • C10M2201/066—Molybdenum sulfide
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    • C10M2201/081—Inorganic acids or salts thereof containing halogen
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    • C10M2201/16—Carbon dioxide
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    • C10M2205/022—Ethene
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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
    • C10M2227/04—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 having a silicon-to-carbon bond, e.g. organo-silanes
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • 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
    • C10M2227/065—Organic compounds derived from inorganic acids or metal salts derived from Ti or Zr
    • C—CHEMISTRY; METALLURGY
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/02—Unspecified siloxanes; Silicones
    • 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
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/05—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • 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
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/241—Manufacturing joint-less pipes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/242—Hot working
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/243—Cold working
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
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    • C10N2040/20—Metal working
    • C10N2040/244—Metal working of specific metals
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
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    • C10N2040/20—Metal working
    • C10N2040/244—Metal working of specific metals
    • C10N2040/245—Soft metals, e.g. aluminum
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
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    • C10N2040/20—Metal working
    • C10N2040/244—Metal working of specific metals
    • C10N2040/246—Iron or steel
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
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    • C10N2040/20—Metal working
    • C10N2040/244—Metal working of specific metals
    • C10N2040/247—Stainless steel
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/30—Refrigerators lubricants or compressors lubricants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/32—Wires, ropes or cables lubricants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/34—Lubricating-sealants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/36—Release agents or mold release agents
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/38—Conveyors or chain belts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/40—Generators or electric motors in oil or gas winning field
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/42—Flashing oils or marking oils
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/44—Super vacuum or supercritical use
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/50—Medical uses

Definitions

  • the invention relates to a release and lubricant in solid form for hot metal deformation, in particular for hot plate or profile rolling.
  • glasses, salts and laminar lubricants based on graphite or aqueous emulsions with synthetic, surface-active agents as release agents and lubricants for non-cutting metal processing. Except for the laminar, graphite-based lubricants, all other means for hot plate rolling are not applicable. Glasses or vitreous lubricants cannot be used because they can hardly be removed from the surface of the workable pieces. Salts as lubricants in the form of aqueous solutions lead to high corrosion on the workpiece and machines. The use of lubricating and cooling liquids requires an additional device for their cooling and cleaning so that the liquid can be circulated.
  • GB-A-2 018 820 discloses release agents and lubricants in solid form for hot metal deformation. These agents contain polyethylene (MW 1 x 10 6 - 5 x 10 6 ).
  • the lubricant is a lubricant, such as. B. Soaps of various types. The known lubricants are produced by melting the two components at 150 to 200 ° C.
  • release agents or lubricants in solid form for metal processing which, in addition to thermoplastic polymers, contain water and fillers or dispersants and graphite containing lubricants.
  • the object of the invention was to propose a lubricant which is solid per se and which softens or melts at elevated temperatures and does not have the disadvantages mentioned.
  • a release and lubricant in solid form for hot metal deformation in particular for hot plate or profile rolling, which is characterized in that the softening point is 20 to 250 ° C, the melting point at 30 to 300 ° C and the Shore D hardness at 20 ° C is 20 to 80, the agent being more than 0 to 90% by weight of a solid lubricant from the series polytetrafluoroethylene, calcium fluoride, boron nitride, molybdenum disulfide or graphite, 1 to 70% by weight of at least one thermoplastic polymer and / or copolymer and 1 to 50 wt .-% of a lubricant from the series of fatty acids, fatty alcohols, fatty amides, soaps, waxes, polyethylene waxes or silicone oil.
  • the agent according to the invention contains a wetting agent.
  • the agent contain an adhesion promoter.
  • the content of a plasticizer for the polymers or copolymers is particularly preferred.
  • the agent contains a surface modifier, suitably a silane or titanate.
  • the agent contains fibers from the series of polyethylenes, polypropylenes, polyamides, polyacrylonitriles, polyesters, made of carbon or glass.
  • the agent contain clay.
  • Polyolefins vinyl resins, acrylic and methacrylic resins, polyesters, polyamides, thermoplastic polyurethanes, polyoxymethylene, polyoxyethylene, polyoxypropylene, polycarbonates, polyetherimides, polyphenylene oxides and sulfides, thermoplastic cellulose derivatives or hydrocarbon resins can be used as thermoplastic polymers and / or copolymers.
  • the polymer can have the same molecular structure but different chain lengths.
  • examples of these are polyethylenes, coumarone indene resins, hydrocarbon resins.
  • suitable mixtures of two different polymers and / or copolymers are, for example, polyethylene with polyisobutylene and polymethyl methacrylates with polymethacrylate. These polymers are mutually incompatible, a mixture of polymers or copolymers which have to be classified as mutually compatible, for example polystyrene with 2,6-dimethyl-1,4-phenylene oxide, has proven to be particularly advantageous.
  • an adhesion promoter and / or plasticizer for the polymers or copolymers is said to improve the adhesion to metal surfaces and to lower the softening temperature of the mixture.
  • They are generally rosin derivatives, terpene resins or hydrocarbon resins, coumarone-indene resins and the plasticizers commonly used in thermoplastics, as described, for example, in “Modern Plastic Encyclopedia (1983) "are listed.
  • a wetting agent can be added to disperse the solid lubricant in the release agent and lubricant and to increase the adhesion to the metal.
  • the wetting agent causes a superficial plasticization ("Rehbinder effect", PA Rehbinder, ED Scukin, Les phenomena de surface dans la deformation et la fracture des solides - Seminaire de Mecanique des Surfaces ISMCM - CNRS (1971)) of the metal, which is caused by friction leads to low friction coefficients and, due to the smoothing of the surface, low, even wear of the friction partners.
  • a surface modification agent preferably from the series of the silanes or titanates.
  • examples include aminoproyltriethoxysilane or isopropyltriisostearyl titanate.
  • plastic inorganic raw materials from the range of clay minerals, such as kaolins, clays, bentonites, talc or vermiculite, it is achieved that the plasticity and the coefficient of friction of the release agent and lubricant can be influenced.
  • a release agent and lubricant for example for hot plate and profile rolling, can have the following proportions of the individual components:
  • the mixture of the components according to the invention must result in a release agent and lubricant which has a solid form at normal temperature. If the release agent and lubricant heats up and softens during use in hot plate rolling due to contact with a hot roll, rubbing and / or melting on the roll can form a film which is homogeneous in composition and thickness.
  • This film is waterproof on the one hand, so that the considerable amounts of cooling water that flow over the rollers do not affect the film.
  • the film can be easily transferred from one roller to the other.
  • hot plate or profile rolling it is possible to apply the release agent and lubricant to the pressure rollers, which in turn transfer the release agent and lubricant to the work rolls, always maintaining a film that is homogeneous in composition and thickness.
  • the solid lubricant ensures that even under these difficult conditions, such as high pressures, high temperatures and friction between the tool and the workpiece, there are no excessive loads and tensions.
  • the separating and lubricating agent is produced by mixing the components in the heat, for example a kneader, and pressing the individual components into the desired shape. Processing can also be carried out in an extruder and using injection molding technology.
  • the finished elements are solid at normal temperature and have a softening point of 20 to 250 ° C.
  • the Shore D hardness is 20 to 50 for elements with a low softening point and 50 to 80 for elements with a high softening point.
  • the melting point is 30 to 300 ° C.
  • the cold compressive strength should be 5 to 500 kg / cm 2 .
  • the separating and lubricating agent according to the invention it is achieved that due to the good separating and lubricating effect, the power to be used, for example for rolling sheets and profiles, drops considerably.
  • the quality of the surface of the processed workpieces is also improved and has a low roughness, for example.
  • the separating and lubricating agent also leads to greater operational safety, since the lubricating effect can be controlled by the choice of additives and thus an excessively good lubricating effect, which leads to slipping sheets, can be avoided.
  • the film thickness can also be controlled well and films of 50 to 200 microns thick can be applied. In many cases, an average film thickness of 1 to 2 microns is sufficient for the agent to have a high lubricating capacity. Compared to the known oil-based lubricants, there is no smoke and smoke formation and no environmental pollution.
  • This mixture gives a transfer film, lubricating at a temperature of 80 to 90 ° C.
  • This mixture gives a transfer film, lubricating between 50 and 100 ° C.
  • This mixture gives a transfer film at a temperature of 100 to 150 ° C.
  • This mixture gives a transfer film at a temperature of 50 to 70 ° C.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lubricants (AREA)
  • Fats And Perfumes (AREA)

Claims (7)

1. Agent de séparation et de lubrification sous forme solide pour le façonnage à chaud des métaux, en particulier pour le laminage des tôles à chaud ou de profilés, caractérisé en ce que le point de ramollissement se situe à 20 jusqu'à 250°C, le point de fusion à 30 jusqu'à 300°C et la dureté Shore-D à 20°C est de 20 à 80, l'agent contenant plus de 0 jusqu'à 90 % en poids d'une matière lubrifiante solide de la série du polyté- trafluoroéthylène, du fluorure de calcium, du nitrure de bore, du bisulfure de molybdène ou du graphite, 1 à 70 % en poids d'au moins un polymère et/ou copolymère thermoplastique et 1 à 50 % en poids d'un agent antigrippant de la série des acides gras, des alcools gras, des amides gras, des savons, des cires, des cires de polyéthylène ou de l'huile de silicone.
2. Agent de séparation et de lubrification selon la revendication 1, caractérisé en ce que l'agent contient un agent mouillant.
3. Agent de séparation et de lubrification selon les revendications 1 et 2, caractérisé en ce que l'agent contient un agent de pontage ou intermédiaire d'adhérence.
4. Agent de séparation et de lubrification selon les revendications 1 à 3, caractérisé en ce que l'agent contient un plastifiant pour les polymères ou copolymères.
5. Agent de séparation et de lubrification selon les revendications 1 à 4, caractérisé en ce que l'agent contient un agent de modification des surfaces, avantageusement un silane ou un titanate.
6. Agent de séparation et de lubrification selon les revendications 1 à 5, caractérisé en ce que l'agent contient des fibres de la série des polyéthylènes, polypropylènes, polyamides, polyacryloni- triles, polyesters, des fibres de carbone ou de verre.
7. Agent de séparation et de lubrification selon les revendications 1 à 6, caractérisé en ce que l'agent contient de l'argile.
EP84101118A 1983-02-18 1984-02-03 Agent de séparation et de lubrification à l'état solide Expired EP0116882B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84101118T ATE49018T1 (de) 1983-02-18 1984-02-03 Trenn- und schmiermittel in fester form.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH934/83 1983-02-18
CH93483 1983-02-18

Publications (3)

Publication Number Publication Date
EP0116882A2 EP0116882A2 (fr) 1984-08-29
EP0116882A3 EP0116882A3 (en) 1986-07-09
EP0116882B1 true EP0116882B1 (fr) 1989-12-27

Family

ID=4198568

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84101118A Expired EP0116882B1 (fr) 1983-02-18 1984-02-03 Agent de séparation et de lubrification à l'état solide

Country Status (11)

Country Link
US (1) US4575430A (fr)
EP (1) EP0116882B1 (fr)
JP (1) JPS59157189A (fr)
AT (1) ATE49018T1 (fr)
BR (1) BR8400703A (fr)
CA (1) CA1210750A (fr)
DE (1) DE3480852D1 (fr)
ES (1) ES8503025A1 (fr)
MX (1) MX160923A (fr)
NO (1) NO164251C (fr)
ZA (1) ZA84247B (fr)

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Also Published As

Publication number Publication date
ES529809A0 (es) 1985-02-01
ES8503025A1 (es) 1985-02-01
ATE49018T1 (de) 1990-01-15
MX160923A (es) 1990-06-19
NO164251B (no) 1990-06-05
BR8400703A (pt) 1984-09-25
US4575430A (en) 1986-03-11
NO164251C (no) 1990-09-12
DE3480852D1 (de) 1990-02-01
EP0116882A3 (en) 1986-07-09
ZA84247B (en) 1984-09-26
JPH0316998B2 (fr) 1991-03-06
NO840596L (no) 1984-08-20
CA1210750A (fr) 1986-09-02
EP0116882A2 (fr) 1984-08-29
JPS59157189A (ja) 1984-09-06

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