CN117247802A - Solid lubricant - Google Patents
Solid lubricant Download PDFInfo
- Publication number
- CN117247802A CN117247802A CN202311206539.8A CN202311206539A CN117247802A CN 117247802 A CN117247802 A CN 117247802A CN 202311206539 A CN202311206539 A CN 202311206539A CN 117247802 A CN117247802 A CN 117247802A
- Authority
- CN
- China
- Prior art keywords
- elastomer
- lubricant
- lubricating grease
- polyethylene
- solid form
- 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.)
- Pending
Links
- 239000000314 lubricant Substances 0.000 title claims abstract description 49
- 239000007787 solid Substances 0.000 title claims abstract description 44
- 239000004519 grease Substances 0.000 claims abstract description 65
- 230000001050 lubricating effect Effects 0.000 claims abstract description 62
- 229920001971 elastomer Polymers 0.000 claims abstract description 48
- 239000000806 elastomer Substances 0.000 claims abstract description 48
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 7
- 230000003313 weakening effect Effects 0.000 claims abstract description 4
- -1 polyethylene Polymers 0.000 claims description 44
- 239000004698 Polyethylene Substances 0.000 claims description 35
- 229920000642 polymer Polymers 0.000 claims description 34
- 238000002156 mixing Methods 0.000 claims description 21
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 19
- 239000004642 Polyimide Substances 0.000 claims description 19
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 19
- 229920002530 polyetherether ketone Polymers 0.000 claims description 19
- 229920000573 polyethylene Polymers 0.000 claims description 19
- 229920001721 polyimide Polymers 0.000 claims description 19
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 19
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 10
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 10
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 10
- 239000004088 foaming agent Substances 0.000 claims description 8
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 3
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 3
- 229920000106 Liquid crystal polymer Polymers 0.000 claims description 3
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 claims description 3
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000004962 Polyamide-imide Substances 0.000 claims description 3
- 239000004695 Polyether sulfone Substances 0.000 claims description 3
- 239000004697 Polyetherimide Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 3
- 229920006378 biaxially oriented polypropylene Polymers 0.000 claims description 3
- 239000011127 biaxially oriented polypropylene Substances 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 3
- 150000001993 dienes Chemical class 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920006248 expandable polystyrene Polymers 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 3
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 3
- 229920001684 low density polyethylene Polymers 0.000 claims description 3
- 239000004702 low-density polyethylene Substances 0.000 claims description 3
- 229920001179 medium density polyethylene Polymers 0.000 claims description 3
- 239000004701 medium-density polyethylene Substances 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 229920001643 poly(ether ketone) Polymers 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 229920002492 poly(sulfone) Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920002312 polyamide-imide Polymers 0.000 claims description 3
- 229920001230 polyarylate Polymers 0.000 claims description 3
- 229920006260 polyaryletherketone Polymers 0.000 claims description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 3
- 229920001610 polycaprolactone Polymers 0.000 claims description 3
- 239000004632 polycaprolactone Substances 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920006393 polyether sulfone Polymers 0.000 claims description 3
- 229920001601 polyetherimide Polymers 0.000 claims description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 3
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 claims description 3
- 229920000638 styrene acrylonitrile Polymers 0.000 claims description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 3
- 229920006305 unsaturated polyester Polymers 0.000 claims description 3
- GVNWZKBFMFUVNX-UHFFFAOYSA-N Adipamide Chemical compound NC(=O)CCCCC(N)=O GVNWZKBFMFUVNX-UHFFFAOYSA-N 0.000 claims description 2
- 239000004604 Blowing Agent Substances 0.000 claims 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- 239000004721 Polyphenylene oxide Substances 0.000 claims 1
- 229920002301 cellulose acetate Polymers 0.000 claims 1
- 229920006380 polyphenylene oxide Polymers 0.000 claims 1
- 239000010687 lubricating oil Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 13
- 239000002861 polymer material Substances 0.000 description 8
- 238000003860 storage Methods 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 4
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000004801 Chlorinated PVC Substances 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 229920006221 acetate fiber Polymers 0.000 description 2
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229920001955 polyphenylene ether Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 230000007059 acute toxicity Effects 0.000 description 1
- 231100000403 acute toxicity Toxicity 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 229920000090 poly(aryl ether) Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
- C10M171/06—Particles of special shape or size
-
- 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
-
- 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
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
-
- 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
- C10M2201/16—Carbon dioxide
-
- 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/022—Ethene
-
- 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
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/06—Perfluoro polymers
- C10M2213/062—Polytetrafluoroethylene [PTFE]
-
- 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
- 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
-
- 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
- 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
- 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
- C10M2221/00—Organic macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2221/04—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- 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
- 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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/08—Solids
-
- 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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/14—Composite materials or sliding materials in which lubricants are integrally molded
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a solid lubricant, which comprises an elastomer with a micropore structure, wherein saturated lubricating grease is adsorbed in the micropore structure of the elastomer, the elastomer extrudes the lubricating grease from the micropore structure under the action of external force and wraps the lubricating grease outside the elastomer, and the lubricating grease is adsorbed in the micropore structure again along with the weakening of the external force.
Description
Technical Field
The invention relates to the field of lubrication, in particular to a solid lubricant.
Background
Grease or lubricating oil is a necessary working medium in the normal operation of mechanical equipment and in the material manufacturing process, and the demand of grease and lubricating oil is increasing along with the high-speed development of industry. Since grease or lubricant is liquid or viscous at ordinary temperature, various environmental pollution such as leakage, spillage and improper discharge are unavoidable during storage, transportation and use of grease or lubricant. Although the lubricating grease and the lubricating oil have small acute toxicity to organisms and have few reports on poisoning caused by contact, the lubricating grease and the lubricating oil entering the environment seriously pollute the land, the rivers and the lakes due to poor biodegradability, and in recent years, the influence of the waste and leaked lubricating grease and lubricating oil on the environment has attracted a great deal of attention. The lubricating particles provided by the invention are completely in a solid form in use, so that the problems can be avoided. It is to be noted that the technology mentioned in the background of the invention is not representative of common general knowledge.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a solid lubricant which forms the shape of lubricant particles so as to provide a third lubricating mode except lubricating grease and lubricating oil, saturated lubricating oil is adsorbed by a high polymer material, the lubricating oil is stored in micropores in the polymer based on surface tension, a small part of the lubricating oil slowly moves to the surface of the material under the capillary action in the operation process, and the lubricating oil is re-adsorbed in the polymer for storage when the operation is stopped; can be blended and formed, and is environment-friendly and pollution-free; the storage is convenient, the leakage is avoided in the use process, the operation is simple, and the mass production can be realized; the maintenance-free product is realized in the use process, and the after-sale maintenance cost is reduced.
In order to achieve the above object, the present invention provides the following technical solutions
A lubricant in solid form comprises an elastomer with a micropore structure, wherein saturated lubricating grease is adsorbed in the micropore structure of the elastomer, the elastomer extrudes the lubricating grease from the micropore structure under the action of external force and wraps the lubricating grease outside the elastomer to form a self-lubricating state, and the lubricating grease is re-adsorbed into the micropore structure along with the weakening of the external force.
As a further aspect of the present invention, the elastomer and the lubricating grease are integrally formed.
As a further aspect of the present invention, the physical shape of the lubricant is regular or irregular, for example, may be a spherical structure.
As a further aspect of the present invention, the present invention includes a blend comprising at least one of polyethylene, polypropylene, biaxially oriented polypropylene, high density polyethylene, polyacrylonitrile, butadiene, styrene, polycarbonate, polyethersulfone, phenolic resin, polyimide, polysulfone, polyurethane, polyvinylchloride, polyoxymethylene, polyamide, polycaprolactone, polydihexamethylene diamine, polybutylene terephthalate, polyethylene terephthalate, epoxy resin, polymethyl methacrylate, polyphenylene ether, polyphenylene sulfide, polystyrene, polytetrafluoroethylene, polyetheretherketone, unsaturated polyester, ultra high molecular weight polyethylene, polyvinylfluoride, polyetherimide, acetate fiber, carboxymethyl cellulose, chlorinated polyethylene, ethylene propylene diene monomer, expandable polystyrene, liquid crystal polymer, medium density polyethylene, low density polyethylene, linear low density polyethylene, polyarylether, polyaryletherketone, polyamideimide, polyacrylonitrile, polyarylate, polyetherketone, thermoplastic polyurethane, thermoplastic elastomer, styrene acrylonitrile polymer, styrene butadiene copolymer, chlorinated polyvinylchloride, polyvinylidene fluoride.
As a further scheme of the invention, the invention comprises the following components: polyethylene PE, ultra-high molecular weight polyethylene, polyimide, PEEK polymer, lubricating grease and compatilizer.
As a further scheme of the invention, the elastomer adsorbed with the lubricating grease is obtained by blending polyethylene PE, ultra-high molecular weight polyethylene, polyimide, PEEK polymer, lubricating grease and compatilizer.
As a further scheme of the invention, the obtained solid-form elastomer material is granulated after blending to obtain the solid-form lubricant.
As a further scheme of the invention, polyethylene PE, ultra-high molecular weight polyethylene, polyimide, PEEK polymer, polytetrafluoroethylene, polyphenylene sulfide, lubricating grease and compatilizer are blended to obtain the elastomer adsorbed with the lubricating grease.
As a further scheme of the invention, the invention also comprises a physical foaming agent, in particular to a physical foaming agent which takes supercritical CO 2.
As a further scheme of the invention, 5-50 parts of polyethylene PE, 5-50 parts of ultra-high molecular weight polyethylene, 5-50 parts of polyimide, 5-50 parts of PEEK polymer, 5-50 parts of lubricating grease and 5-50 parts of compatilizer are blended to obtain an elastomer adsorbed with the lubricating grease, and then the obtained elastomer is granulated to obtain the solid lubricant.
As a further aspect of the present invention, the size of the granules is 0.05 to 20mm, the amount of the lubricating grease is 20 to 95%, and the preferable size of the granules is 0.2 to 2mm.
The invention has the following beneficial effects:
the solid lubricant (lubricating particles) obtained by blending and modifying the high polymer material has good wear resistance, and the method can design a high-strength wear-resistant composite material capable of efficiently working in a metal-polymer unit; and adding lubricating grease into the blend to enable the obtained blending high polymer material to adsorb saturated lubricating oil, wherein the lubricating oil is stored in micropores in the polymer based on surface tension, a small part of lubricating oil slowly moves to the surface of the material under capillary action in the operation process, and the lubricating oil is re-adsorbed in the polymer and stored when the operation is stopped; in some embodiments, polytetrafluoroethylene and polyphenylene sulfide are added for blending, so that the obtained high polymer material also has good mechanical and thermal stability; and in some embodiments, the supercritical CO2 is added as a physical foaming agent for blending, so that the obtained high polymer material elastomer has higher adsorption capacity, and the obtained solid lubricant has better self-lubricating performance.
In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a cross-sectional view of a lubricant in solid form according to the present invention.
Detailed Description
The invention will be further described in the following clear and complete description with reference to the figures and the associated knowledge, it being evident that the described applications are only some, but not all embodiments of the invention.
Referring to fig. 1, a solid lubricant comprises an elastomer with a microporous structure, wherein saturated lubricating grease is adsorbed in the microporous structure of the elastomer, the elastomer extrudes the lubricating grease from the microporous structure under the action of external force and wraps the lubricating grease on the outer side of the elastomer to form a self-lubricating state, and the lubricating grease is re-adsorbed in the microporous structure along with the weakening of the external force. Referring to the structure shown in fig. 1, lubricating grease is adsorbed in micropores of an elastomer, namely, lubricating oil is stored in micropores inside a polymer based on surface tension, a small part of lubricating oil slowly moves to the surface of the material under the capillary action in the operation process, and when the operation is stopped, the lubricating oil is adsorbed in the polymer again and stored, so that the lubricating grease has good heat resistance and can fully play roles of friction reduction and antifriction; can be blended and formed, and is environment-friendly and pollution-free; the storage is convenient, the leakage is avoided in the use process, the operation is simple, and the mass production can be realized; the maintenance-free product is realized in the use process, and the after-sale maintenance cost is reduced.
In the invention, the elastomer and the lubricating grease are integrally formed, and the solid lubricant is obtained by integrally forming the elastomer and the lubricating grease in a mode of blending a high polymer material and the lubricating grease and then granulating the obtained blend.
In the present invention, the physical shape of the lubricant is a regular or irregular shape, generally a regular spherical structure, and then added to the bearing to exert a self-lubricating effect.
In the present invention, the solid form lubricant includes a lubricant prepared by blending a blend of polyethylene, polypropylene, biaxially oriented polypropylene, high density polyethylene, polyacrylonitrile, butadiene, styrene, polycarbonate, polyethersulfone, phenolic resin, polyimide, polysulfone, polyurethane, polyvinylchloride, polyoxymethylene, polyamide, polycaprolactone, polydimethyl adipamide, polybutylene terephthalate, polyethylene terephthalate, epoxy resin, polymethyl methacrylate, polyphenylene ether, polyphenylene sulfide, polystyrene, polytetrafluoroethylene, polyetheretherketone, unsaturated polyester, ultra-high molecular weight polyethylene, polyvinylfluoride, polyetherimide, acetate fiber, carboxymethyl cellulose, chlorinated polyethylene, ethylene propylene diene monomer, expandable polystyrene, liquid crystal polymer, medium density polyethylene, low density polyethylene, linear low density polyethylene, polyaryletherketone, polyamideimide, polyacrylonitrile, polyarylate, polyetherketone, thermoplastic polyurethane, thermoplastic elastomer, styrene acrylonitrile polymer, styrene butadiene copolymer, chlorinated polyvinylchloride, polyvinylidene fluoride, and the like, and the present invention is not limited to the above-mentioned elastomer mode. In some embodiments, it is also possible to obtain elastomers with microcellular structures by means of crosslinking, as well as being within the scope of the invention.
Further preferably, in the present invention, the lubricant in solid form comprises the following composition: the polyethylene PE, the ultra-high molecular weight polyethylene, the polyimide, the PEEK polymer, the lubricating grease and the compatilizer are further preferably blended to obtain the elastomer adsorbed with the lubricating grease, and further preferably, the elastomer material in the solid form obtained after blending is granulated to obtain the lubricant in the solid form, the modified blend can be applied to the fields with higher requirements on friction and wear, impact resistance and corrosion resistance, the modified blend has a micropore structure, the lubricating grease is adsorbed inside the micropore structure, in the practical application, the obtained blend (the elastomer disclosed by the invention) is granulated to obtain the solid lubricant, the grease in the solid lubricant is adsorbed in micropores of the elastomer, namely the lubricant is stored in the micropores of the inside of the polymer based on surface tension, and small part of the lubricant slowly moves to the surface of the material under the capillary action in the operation process, and is stored in the polymer again when the operation is stopped, so that the self-lubrication is avoided, and the self-lubrication is realized.
In the invention, through adding the compatilizer, two or more polymer components are mixed, the cohesive force of a phase interface layer is improved, the phase dispersion is promoted, the morphological structure is stabilized, the interfacial tension between two phase components is reduced by means of the bonding force between polymer molecules, the uniformity of a blending system is improved, the phase separation is reduced, and the comprehensive performance of polymer blending is improved.
Still preferably, in another embodiment of the present invention, polyethylene PE, ultra-high molecular weight polyethylene, polyimide, PEEK polymer, polytetrafluoroethylene, polyphenylene sulfide, lubricating grease and a compatibilizer are blended to obtain an elastomer adsorbed with the lubricating grease, and polytetrafluoroethylene and polyphenylene sulfide are added for blending, so that the blend has more excellent molding performance and facilitates subsequent granulation.
In the preparation process of the solid lubricant, the solid lubricant also comprises a physical foaming agent, specifically, supercritical CO2 is used as the physical foaming agent, and the physical foaming agent is added in the blending process, so that the obtained blend has more excellent adsorption performance.
In the invention, 5-50 parts of polyethylene PE, 5-50 parts of ultra-high molecular weight polyethylene, 5-50 parts of polyimide, 5-50 parts of PEEK polymer, 5-50 parts of lubricating grease and 5-50 parts of compatilizer are blended to obtain the elastomer adsorbed with the lubricating grease, and then the obtained elastomer is granulated to obtain the solid lubricant, and further preferably, the size of the granulation is 0.05-20 mm, the content of the lubricating grease is 20-95%, and the size of the granulation is 0.2-2 mm.
Several embodiments of the invention are provided below
Example 1
A lubricant in solid form comprising the following components: polyethylene PE, ultra-high molecular weight polyethylene, polyimide, PEEK polymer, lubricating grease and compatilizer. In the preparation process, polyethylene PE, ultra-high molecular weight polyethylene, polyimide, PEEK polymer, lubricating grease and compatilizer are blended to obtain an elastomer adsorbed with the lubricating grease, the obtained elastomer material in a solid form is granulated after blending to obtain the lubricant in a solid form, in the specific implementation process, 5-50 parts of polyethylene PE, 5-50 parts of ultra-high molecular weight polyethylene, 5-50 parts of polyimide, 5-50 parts of PEEK polymer, 5-50 parts of lubricating grease and 5-50 parts of compatilizer are blended to obtain the elastomer adsorbed with the lubricating grease, then the obtained elastomer is granulated to obtain the lubricant in a solid form, and the obtained lubricant after blending to modify the high molecular material has good wear resistance, so that the method can design the high-strength wear-resistant composite material capable of efficiently working in a metal-polymer unit; and adding lubricating grease into the blend to enable the obtained blending high polymer material to adsorb saturated lubricating oil, wherein the lubricating oil is stored in micropores inside the polymer based on surface tension, a small part of lubricating oil slowly moves to the surface of the material under capillary action in the operation process, and the lubricating oil is adsorbed into the polymer again for storage when the operation is stopped, so that self-lubrication and maintenance-free are realized.
Example 2
A lubricant in solid form comprising the following components: polyethylene PE, ultra-high molecular weight polyethylene, polyimide, PEEK polymer, polytetrafluoroethylene, polyphenylene sulfide, lubricating grease and compatilizer; in the preparation process, polyethylene PE, ultra-high molecular weight polyethylene, polyimide, PEEK polymer, polytetrafluoroethylene, polyphenylene sulfide, lubricating grease and compatilizer are blended to obtain an elastomer adsorbed with the lubricating grease, and the obtained elastomer material in solid form is granulated after blending to obtain the lubricant in solid form; and by adding supercritical CO2 as a physical foaming agent for blending, the obtained high polymer material elastomer has better adsorption capacity, so that the obtained solid lubricant has better self-lubricating performance.
The technical principle of the present invention has been described above in connection with specific embodiments, but is only the preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive effort and are intended to fall within the scope of the invention.
Claims (10)
1. The solid lubricant is characterized by comprising an elastomer with a micropore structure, wherein saturated lubricating grease is adsorbed in the micropore structure of the elastomer, the lubricating grease is extruded from the micropore structure by the elastomer under the action of external force and wrapped on the outer side of the elastomer to form a self-lubricating state, and the lubricating grease is re-adsorbed into the micropore structure along with the weakening of the external force.
2. A solid lubricant according to claim 1, wherein the elastomer is integrally formed with the grease.
3. A solid lubricant according to claim 1, wherein the physical shape of the solid lubricant is regular or irregular.
4. The lubricant in solid form of claim 1, comprising a blend of polyethylene, polypropylene, biaxially oriented polypropylene, high density polyethylene, polyacrylonitrile, butadiene, styrene, polycarbonate, polyethersulfone, phenolic resin, polyimide, polysulfone, polyurethane, polyvinylchloride, polyoxymethylene, polyamide, polycaprolactone, polydimethyl adipamide, polybutylene terephthalate, polyethylene terephthalate, epoxy resin, polymethyl methacrylate, polyphenylene oxide, polyphenylene sulfide, polystyrene, polytetrafluoroethylene, polyetheretherketone, unsaturated polyester, ultra high molecular weight polyethylene, polyvinylfluoride, polyetherimide, cellulose acetate, carboxymethyl cellulose, chlorinated polyethylene, ethylene propylene diene monomer, expandable polystyrene, liquid crystal polymer, medium density polyethylene, low density polyethylene, linear low density polyethylene, polyaryletherketone, polyamideimide, polyacrylonitrile, polyarylate, polyetherketone, thermoplastic polyurethane, thermoplastic elastomer, styrene acrylonitrile polymer, polyvinylchloride, polyvinylidine chloride, at least one of the group consisting of polyvinylchloride, and polyvinylchloride.
5. A lubricant in solid form as claimed in claim 1, comprising the following composition: polyethylene PE, ultra-high molecular weight polyethylene, polyimide, PEEK polymer, lubricating grease and compatilizer.
6. The lubricant in solid form according to claim 5, wherein the elastomer adsorbed with the lubricating grease is obtained by blending polyethylene PE, ultra-high molecular weight polyethylene, polyimide, PEEK polymer, lubricating grease and a compatilizer, and the obtained elastomer material in solid form is granulated after blending to obtain the lubricant in solid form.
7. The lubricant in solid form according to claim 1, wherein the elastomer adsorbed with the lubricating grease is obtained by blending polyethylene PE, ultra-high molecular weight polyethylene, polyimide, PEEK polymer, polytetrafluoroethylene, polyphenylene sulfide, the lubricating grease and a compatibilizer.
8. A lubricant in solid form as claimed in claim 4 or 7, further comprising a physical blowing agent, in particular in supercritical CO 2 Is a physical foaming agent.
9. The lubricant in solid form according to claim 4, wherein 5 to 50 parts of polyethylene PE, 5 to 50 parts of ultra-high molecular weight polyethylene, 5 to 50 parts of polyimide, 5 to 50 parts of PEEK polymer, 5 to 50 parts of lubricating grease and 5 to 50 parts of compatilizer are blended to obtain an elastomer adsorbed with the lubricating grease, and then the obtained elastomer is granulated to obtain the lubricant in solid form.
10. A lubricant in solid form as claimed in claim 9, wherein the size of the granules is 0.05-20 mm and the amount of lubricating grease is 20-95%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311206539.8A CN117247802A (en) | 2023-09-19 | 2023-09-19 | Solid lubricant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311206539.8A CN117247802A (en) | 2023-09-19 | 2023-09-19 | Solid lubricant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117247802A true CN117247802A (en) | 2023-12-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311206539.8A Pending CN117247802A (en) | 2023-09-19 | 2023-09-19 | Solid lubricant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117247802A (en) |
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2023
- 2023-09-19 CN CN202311206539.8A patent/CN117247802A/en active Pending
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