WO2020038263A1 - Plaque composite autolubrifiante conductrice pour palier - Google Patents

Plaque composite autolubrifiante conductrice pour palier Download PDF

Info

Publication number
WO2020038263A1
WO2020038263A1 PCT/CN2019/100580 CN2019100580W WO2020038263A1 WO 2020038263 A1 WO2020038263 A1 WO 2020038263A1 CN 2019100580 W CN2019100580 W CN 2019100580W WO 2020038263 A1 WO2020038263 A1 WO 2020038263A1
Authority
WO
WIPO (PCT)
Prior art keywords
lubricating film
conductive self
carbon
weight ratio
fluoropolymer
Prior art date
Application number
PCT/CN2019/100580
Other languages
English (en)
Chinese (zh)
Inventor
张蓉平
孙志华
陆忠泉
Original Assignee
浙江长盛滑动轴承股份有限公司
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 浙江长盛滑动轴承股份有限公司 filed Critical 浙江长盛滑动轴承股份有限公司
Publication of WO2020038263A1 publication Critical patent/WO2020038263A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/06—Elements
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/16—Homopolymers or copolymers or vinylidene fluoride
    • 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
    • C10M169/04—Mixtures of base-materials and additives

Definitions

  • the invention belongs to the technical field of sliding bearings, in particular to a conductive self-lubricating film for bearings used on sliding bearings and a preparation method thereof.
  • the maintenance-free sliding bearing with a layer structure has long been known to those skilled in the art through various forms, and is applied to multiple technical fields, such as automobiles Engineering.
  • Patent No. 200910175267.3 discloses a solid lubricating composite material and a manufacturing method thereof.
  • the solid lubricating composite material contains carbon nanotubes, boron oxide, and polytetrafluoroethylene.
  • the solid lubricating composite material is prepared by combining carbon nanotubes with self-lubricating polytetrafluoroethylene, which greatly improves the technical indexes of low friction coefficient, self-lubricity, abrasion resistance, etc. Static electricity due to friction.
  • the resistance value of the solid lubricating composite material is generally between 10 9 ohm square centimeters and 1012 ohm square centimeters, which does not meet the requirements of the electrophoresis process.
  • the ohm square centimeter is a unit of resistivity obtained by a certain detection method.
  • R A R * A
  • the resistance value of the material required for the electrophoresis process is generally below 10 6 ohms per square centimeter, it is obvious that the material disclosed in this patent does not meet the requirements, which is related to its application, because the material disclosed in patent number 200910175267.3 The purpose of conducting is to eliminate and reduce the static electricity generated by friction, not to apply to electrophoresis process.
  • the material disclosed by patent number 200910175267.3 does not have the requirements of practical engineering applications, because in engineering practical applications, such as for bearings, the materials must have good mechanical properties, creep resistance, and lower The resistance value. Because it has good mechanical properties, it can be made into a thin film by turning.
  • the present invention provides a conductive self-lubricating film with good mechanical properties, creep resistance, and lower resistance value, and a preparation method thereof to meet the above requirements.
  • a conductive self-lubricating film for bearings which is used in an electrophoresis process, is characterized in that the conductive self-lubricating film for bearings is mainly composed of fluoropolymer, carbon black, carbon nanotubes, carbon fibers, and solid lubricants.
  • the polymer is selected from one or more of fluoropolymers, and its weight ratio is 70% to 80%, the weight ratio of carbon black is 4% to 5%, and the weight ratio of the carbon nanotubes is 1% to 2%, the weight ratio of the carbon fibers is 15% to 20%, the weight ratio of the solid lubricant is 0 to 9%, and the length of the carbon nanotubes is 3 ⁇ m to 5 ⁇ m.
  • the polymer is selected from the group consisting of polytetrafluoroethylene, fluorinated ethylene-propylene, polyvinylidene fluoride, polychlorotrifluoroethylene, ethylenechlorotrifluoroethylene, perfluoroalkoxy polymers, and their combination.
  • the fluoropolymer is perfluoroalkoxyethylene, modified tetrafluoroethylene-hexafluoropropylene, modified perfluoroalkoxyethylene, ethylene-tetrafluoroethylene, tetrafluoroethylene-perfluoro, modified Teflon, polyvinylidene fluoride, ethylene-chlorotrifluoroethylene.
  • the thickness of the conductive self-lubricating film for the bearing is 0.1 mm to 0.5 mm.
  • the solid lubricant is selected from glass fiber, carbon fiber, silicon, graphite, polyetheretherketone, molybdenum disulfide, aromatic polyester, carbon particles, bronze, fluoropolymer, thermoplastic filler, mineral filler, And any combination of them.
  • the fluoropolymer accounts for at least 72%, 78%, or 80% of the weight of the conductive self-lubricating film.
  • a method for preparing a conductive self-lubricating film for a bearing includes the following steps:
  • S1 Provide carbon black and carbon nanotubes.
  • the weight ratio of the carbon black is 4% to 5%, and the weight ratio of the carbon nanotubes is 1% to 2%.
  • the carbon black and the carbon nanotubes are dispersed using an ultrasonic dispersion method. In liquid medium
  • S2 Provide carbon fiber, solid lubricant, and fluoropolymer.
  • the weight ratio of the carbon fiber is 15% to 20%.
  • the weight ratio of the solid lubricant is 0 to 9%.
  • the weight ratio of the fluoropolymer is 70%. ⁇ 80%, and the carbon fiber, the solid lubricant and the fluoropolymer are evenly mixed together at a low temperature to form a fluoropolymer mixture;
  • liquid medium is a glycol solution.
  • the low temperature range is lower than 19 degrees.
  • the thickness of the conductive self-lubricating film is 0.1 mm to 0.5 mm.
  • the conductive self-lubricating film provided by the present invention uses carbon black and carbon nanotubes in mixed use, which reduces the cost of the overall material and is conducive to popularization.
  • the ratio of the tube and the carbon fiber forms a good conductive network in the conductive self-lubricating film on a microscopic basis, so that the conductive self-lubricating film has a resistance value of less than 103 ohm square centimeters on the macro scale, and due to the presence of carbon fibers, the conductive The self-lubricating film has good mechanical properties and creep resistance, so that the conductive self-lubricating material is suitable for turning to prepare a film with a thickness that meets requirements.
  • FIG. 1 is a schematic structural diagram of a conductive self-lubricating film for a bearing provided by the present invention.
  • FIG. 2 is a flowchart of manufacturing the conductive self-lubricating film of FIG. 1.
  • FIG. 1 it is a schematic structural diagram of a conductive self-lubricating film for bearings provided by the present invention.
  • the conductive self-lubricating film for bearings is mainly composed of fluoropolymer 10, carbon black 11, carbon nanotubes 12, carbon fibers 13, and solid lubricant 14. It is conceivable that according to actual performance requirements, the conductive self-lubricating film for bearings may further include other materials, such as fillers and the like.
  • the fluoropolymer 10 is a fluorine-containing polymer, which may be selected from one or more kinds of the fluorine-containing polymer.
  • the fluorine-containing polymer may be polytetrafluoroethylene (PTFE), fluorinated ethylene-propylene (FEP), polyvinylidene fluoride (PVDF), polychlorotrifluoroethylene (PCTFE), ethylene chlorotrifluoroethylene (ECTFE), perfluoroalkoxy polymers (PFA), or any combination thereof.
  • PTFE polytetrafluoroethylene
  • FEP fluorinated ethylene-propylene
  • PVDF polyvinylidene fluoride
  • PCTFE polychlorotrifluoroethylene
  • ECTFE ethylene chlorotrifluoroethylene
  • PFA perfluoroalkoxy polymers
  • the fluorine-containing polymer may also be perfluoroalkoxyethylene, modified tetrafluoroethylene-hexafluoropropylene, modified perfluoroalkoxyethylene, ethylene-tetrafluoroethylene, tetrafluoroethylene-perfluoro, modified One or more of polytetrafluoroethylene, polyvinylidene fluoride, and ethylene-chlorotrifluoroethylene.
  • the weight ratio of the fluoropolymer 10 is 70% to 80%.
  • the fluoropolymer 10 accounts for at least 72%, 78%, or 80% of the weight of the conductive self-lubricating film for bearings, and the fluoropolymer 10 is polytetrafluoroethylene (PTFE).
  • PTFE polytetrafluoroethylene
  • the carbon black 11 generally refers to carbon simple particles, which will detach from molecules to form carbon black 11 when the carbon element is not sufficiently burned.
  • the arrangement of carbon atoms is similar to graphite, forming a hexagonal plane. Usually 3 to 5 such layers form a microcrystal. Because of the arrangement of carbon atoms in each graphite layer of carbon black 11 microcrystals, It is ordered, and the arrangement of carbon atoms between adjacent layers is disordered, so it is also called quasi-graphite crystal.
  • the group and the matrix have a large polarity and an enhanced effect. At this time, the strength increases, but it prevents the conductive particles from aggregating themselves, resulting in poor conductivity.
  • the weight ratio of carbon black 11 is 4% to 5%.
  • the content of the carbon black 11 is 4.5% by weight.
  • the carbon nanotubes 12 can be regarded as a seamless nano-scale tube made of a single or multi-layer graphite sheet rolled around a central axis at a certain spiral angle, and has a seamless hollow tubular structure.
  • the tube body consists of six sides. Shaped carbon atoms are surrounded by a grid, and the two ends are usually regarded as two hemispherical large fullerene molecules.
  • the diameter of single-walled carbon nanotubes is relatively thin, generally ranging from a few nanometers to a dozen nanometers.
  • the carbon nanotubes 12 have good electrical conductivity. Since the structure of the carbon nanotubes 12 is the same as the sheet structure of graphite, they have good electrical properties.
  • the theoretical prediction of its electrical conductivity depends on its pipe diameter and the helix angle of the pipe wall.
  • the diameter of CNTs is greater than 6nm, the conductivity is reduced; when the diameter of CNTs is less than 6nm, CNTs can be regarded as one-dimensional quantum wires with good conductivity.
  • the weight ratio of the carbon nanotubes 12 is 1% to 2%.
  • the content of the carbon nanotubes 12 is 1.5% by weight.
  • the length of the carbon nanotubes 12 should be 3 ⁇ m to 5 ⁇ m to improve the conductivity uniformity.
  • the length of the carbon nanotubes 12 can reach the centimeter line, if it is too long, the uniformity of dispersion during the mixing process will be reduced, which will reduce the uniformity of its electrical conductivity, and further reduce its electrophoretic effect in the electrophoresis process, that Defects of varying thickness.
  • the carbon fiber 13 is a new fiber material with high strength and high modulus fiber with a carbon content of 95% or more. It is a microcrystalline graphite material obtained by stacking organic fibers such as flake graphite microcrystals along the axial direction of the fiber and subjecting them to carbonization and graphitization. Carbon fiber 13 is "flexible outside and rigid inside”. It is lighter than metal aluminum, but its strength is higher than steel, and it has the characteristics of corrosion resistance and high modulus.
  • Carbon fiber 13 also has many properties, such as low density, high specific performance, no creep, resistance to ultra-high temperature in non-oxidizing environment, good fatigue resistance, specific heat and electrical conductivity between non-metal and metal, and low thermal expansion coefficient It also has anisotropy, good corrosion resistance, and good X-ray transmission. Good electrical and thermal conductivity, good electromagnetic shielding.
  • the weight ratio of the carbon fiber 13 is 15% to 20%.
  • the content of the carbon fiber 13 is 18% by weight.
  • the solid lubricant 14 is selected from glass fibers, silicon, graphite, polyetheretherketone, molybdenum disulfide, aromatic polyesters, carbon particles, bronze, thermoplastic fillers, mineral fillers, and any combination thereof.
  • the role of the solid lubricant is to reduce friction.
  • the solid lubricant 14 is molybdenum disulfide, and its weight ratio is 0-9%.
  • FIG. 2 is a flowchart of a method for preparing the conductive self-lubricating film for a bearing.
  • the method for preparing the conductive self-lubricating film for a bearing includes the following steps:
  • S1 Provide carbon black 11 and carbon nanotubes 12, the weight ratio of the carbon black 11 is 4% to 5%, the weight ratio of the carbon nanotubes 12 is 1% to 2%, and the carbon black 11 and the carbon nanotubes are provided. 12Using ultrasonic dispersion method to disperse in liquid medium;
  • S2 Provide a carbon fiber 13, a solid lubricant, and a fluoropolymer 10.
  • the weight ratio of the carbon fiber 13 is 15% to 20%.
  • the weight ratio of the solid lubricant is 0 to 9%.
  • the weight of the fluoropolymer 10 The ratio is 70% to 80%, and the carbon fiber 13, the solid lubricant and the fluoropolymer 10 are uniformly mixed together at a low temperature to form a fluoropolymer mixture;
  • the liquid medium may be a solution containing ethylene glycol, and in this embodiment, the ratio is 15% -25% wt.
  • step S2 the temperature should be controlled below 19 ° C, preferably 10 ° C.
  • step S3 when the solution of the carbon black 11 and the carbon nanotubes 12 is sprayed, the fluoropolymer mixture should also be stirred to make the billet uniformly mixed.
  • a conductive self-lubricating film for bearings having a thickness of 0.1 mm to 0.5 mm can be manufactured by turning.
  • the thickness of the conductive self-lubricating film for the bearing is 0.2 mm.
  • the conductive self-lubricating film provided by the present invention uses carbon black and carbon nanotubes in mixed use, which reduces the cost of the overall material and is conducive to promotion and use.
  • the ratio of the tube and the carbon fiber forms a good conductive network in the conductive self-lubricating film on a microscopic level, so that the conductive self-lubricating film has a resistance value of less than 103 ohm square centimeters on the macro level.
  • the conductive self-lubricating film has good mechanical properties and creep resistance, so that the conductive self-lubricating material is suitable for turning to prepare a film with a thickness that meets requirements.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Lubricants (AREA)

Abstract

La présente invention concerne un film autolubrifiant conducteur pour un palier et son procédé de préparation. Le film autolubrifiant conducteur pour un palier est utilisé dans un procédé électrophorétique, et est constitué principalement d'un fluoropolymère (10), de noir de carbone (11), de nanotubes de carbone (12), de fibres de carbone (13) et d'un lubrifiant solide (14). Un polymère est choisi parmi un ou plusieurs types de polymère fluoré (10), et un rapport en poids de celui-ci est de 70 à 80 %. Un rapport en poids du noir de carbone (11) est de 4 à 5 %, un rapport en poids des nanotubes de carbone (12) est de 1 à 2 %, un rapport en poids des fibres de carbone (13) est de 15 à 20 %, et un rapport en poids du lubrifiant solide (14) est de 0 à 9 %. La longueur des nanotubes de carbone (12) est de 3 µm à 5 µm. Un mélange du noir de carbone (11) et des nanotubes de carbone (12) est utilisé dans le film autolubrifiant conducteur, de façon à réduire les coûts de matériau totaux et faciliter la promotion et l'utilisation de celui-ci. Les rapports du noir de carbone (11), des nanotubes de carbone (12) et des fibres de carbone (13) sont configurés pour former au niveau microscopique un réseau conducteur favorable dans le film autolubrifiant conducteur, de sorte qu'au niveau macroscopique, le film autolubrifiant conducteur a une valeur de résistance inférieure à 103 ohm par centimètre carré, et est applicable à un procédé électrophorétique.
PCT/CN2019/100580 2018-08-22 2019-08-14 Plaque composite autolubrifiante conductrice pour palier WO2020038263A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201821359801.7 2018-08-22
CN201821359801.7U CN208914713U (zh) 2018-08-22 2018-08-22 一种轴承用导电自润滑复合板

Publications (1)

Publication Number Publication Date
WO2020038263A1 true WO2020038263A1 (fr) 2020-02-27

Family

ID=66703356

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/100580 WO2020038263A1 (fr) 2018-08-22 2019-08-14 Plaque composite autolubrifiante conductrice pour palier

Country Status (2)

Country Link
CN (1) CN208914713U (fr)
WO (1) WO2020038263A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208914713U (zh) * 2018-08-22 2019-05-31 浙江长盛滑动轴承股份有限公司 一种轴承用导电自润滑复合板

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1735652A (zh) * 2002-12-18 2006-02-15 纳幕尔杜邦公司 耐磨性高温液晶聚合物
CN102827673A (zh) * 2011-06-17 2012-12-19 Nok克鲁勃株式会社 导电性润滑脂组合物
JP2014084399A (ja) * 2012-10-23 2014-05-12 Jtekt Corp 固体潤滑膜
CN108891103A (zh) * 2018-08-22 2018-11-27 浙江长盛滑动轴承股份有限公司 一种轴承用导电自润滑复合板及其制备方法
CN109181823A (zh) * 2018-08-22 2019-01-11 浙江长盛滑动轴承股份有限公司 一种轴承用导电自润滑膜及其制备方法
CN208914713U (zh) * 2018-08-22 2019-05-31 浙江长盛滑动轴承股份有限公司 一种轴承用导电自润滑复合板

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1735652A (zh) * 2002-12-18 2006-02-15 纳幕尔杜邦公司 耐磨性高温液晶聚合物
CN102827673A (zh) * 2011-06-17 2012-12-19 Nok克鲁勃株式会社 导电性润滑脂组合物
JP2014084399A (ja) * 2012-10-23 2014-05-12 Jtekt Corp 固体潤滑膜
CN108891103A (zh) * 2018-08-22 2018-11-27 浙江长盛滑动轴承股份有限公司 一种轴承用导电自润滑复合板及其制备方法
CN109181823A (zh) * 2018-08-22 2019-01-11 浙江长盛滑动轴承股份有限公司 一种轴承用导电自润滑膜及其制备方法
CN208914713U (zh) * 2018-08-22 2019-05-31 浙江长盛滑动轴承股份有限公司 一种轴承用导电自润滑复合板

Also Published As

Publication number Publication date
CN208914713U (zh) 2019-05-31

Similar Documents

Publication Publication Date Title
CN109181823B (zh) 一种轴承用导电自润滑膜及其制备方法
EP2310270B1 (fr) Element porteur de fluide pour une utilisation dans des isolateurs dielectrique
Martone et al. The effect of the aspect ratio of carbon nanotubes on their effective reinforcement modulus in an epoxy matrix
EP2765319B1 (fr) Matériau composite pour palier lisse et élément de palier lisse fabriqué avec celui-ci
Klüppel et al. Fractal structures in carbon black reinforced rubbers
Jiang et al. Reduction in percolation threshold of injection molded high‐density polyethylene/exfoliated graphene nanoplatelets composites by solid state ball milling and solid state shear pulverization
CN101717682B (zh) 一种固体润滑复合材料及制作方法
JP5599592B2 (ja) 静電複写法における定着機構部材
CN108891103A (zh) 一种轴承用导电自润滑复合板及其制备方法
JP2005008893A (ja) カーボンナノチューブ含有分散体
EP2804902B1 (fr) Matériau composite pour palier lisse en métal/plastique et élément de palier lisse fabriqué à partir de ce matériau
EP2328978A2 (fr) Matériaux composites thermoplastiques pouvant être moulés par injection
WO2020038263A1 (fr) Plaque composite autolubrifiante conductrice pour palier
KR100247854B1 (ko) 불소수지 성형체 및 그의 제조방법
Xie et al. Construction of thermal conduction networks and decrease of interfacial thermal resistance for improving thermal conductivity of epoxy natural rubber composites
DE102012217977A1 (de) Oberflächenbeschichtung und Fixiereinheit
Shen et al. Preparation of carbon black/graphene nanosheets/PP composites with 3D separated conductive networks based on selective laser sintering
Ren et al. Improving the interface of carbon‐fibre‐reinforced poly (ether‐ether‐ketone) composites with fibre surface coating: a review
Zhao et al. Dielectric and mechanical properties of TiO2/polyimide composites with low dielectric constant
Suherman et al. Electrical properties of carbon nanotubes-based epoxy nanocomposites for high electrical conductive plate
JP4000915B2 (ja) ポリテトラフルオロエチレン粉末、電極材料、電極及び燃料電池
Zhao et al. Typical synergistic effect of graphite nanoplatelets and carbon nanotubes and its influence on polymer‐based dielectric composites
DE102014211914A1 (de) Fluorelastomer-Halloysit-Nanokomposit
CN107043557A (zh) 一种双层膜及其制备方法
Wang et al. Flexural property characterization and structure analysis of graphene‐reinforced polyphenylene sulfide prepared via low‐cost pellet‐based material extrusion additive manufacturing

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19852410

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19852410

Country of ref document: EP

Kind code of ref document: A1