CN105861125A - Anti-corrosion lubricating grease for unbonded prestressed ribs and preparation method of anti-corrosion lubricating grease - Google Patents

Anti-corrosion lubricating grease for unbonded prestressed ribs and preparation method of anti-corrosion lubricating grease Download PDF

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Publication number
CN105861125A
CN105861125A CN201610241436.9A CN201610241436A CN105861125A CN 105861125 A CN105861125 A CN 105861125A CN 201610241436 A CN201610241436 A CN 201610241436A CN 105861125 A CN105861125 A CN 105861125A
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reactor
lubricating grease
corrosion
add
grease
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Pending
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CN201610241436.9A
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Chinese (zh)
Inventor
边自海
边圳浩
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Tianjin Haihang Petroleum Energy Technology Co Ltd
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Tianjin Haihang Petroleum Energy Technology Co Ltd
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Priority to CN201610241436.9A priority Critical patent/CN105861125A/en
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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
    • C10M169/04—Mixtures of base-materials and additives
    • 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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/04—Well-defined cycloaliphatic compounds
    • 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
    • C10M2205/0206—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers used as base material
    • 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
    • C10M2205/16—Paraffin waxes; Petrolatum, e.g. slack wax
    • C10M2205/163—Paraffin waxes; Petrolatum, e.g. slack wax used as base material
    • 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
    • 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/064—Di- and triaryl amines
    • 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/14—Containing carbon-to-nitrogen double bounds, e.g. guanidines, hydrazones, semicarbazones
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
    • 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
    • C10N2010/04—Groups 2 or 12
    • 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
    • C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
    • 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
    • C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
    • 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
    • C10N2030/72—Extended drain
    • 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
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Semi-solids; greasy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

The invention discloses anti-corrosion lubricating grease for unbonded prestressed ribs and a preparation method of the anti-corrosion lubricating grease. The lubricating grease is prepared from, by weight, 60-90 parts of base oil, 1-5 parts of isocyanate, 1-5 parts of aliphatic amine, 1-6 parts of aromatic amine, 0.5-1 part of anti-rust agent and 0.25-0.8 part of antioxidant. The lubricating grease has good lubricating performance, effectively reduces friction and abrasion between the prestressed ribs, has good anti-oxidation performance, anti-rust performance and low-temperature performance, can effectively prevent erosion of various corrosion media to the prestressed ribs, guarantees quality of a building, has good compatibility with a plastic sleeve, cannot make plastic brittle, crack or swell, and can effectively prolong the service life of unbonded prestressed steel strands.

Description

A kind of unbonded prestressing tendon anti-corrosion grease and preparation method thereof
Technical field
The present invention relates to metal protection technical field of lubricating grease, be specifically related to a kind of unbonded prestressing tendon anticorrosion and moisten Consistent lubricant and preparation method thereof.
Background technology
Un-bonded prestressed steel strand is stranded by steel strand wires, high density polyethylene (HDPE) and anticorrosion grease, extensively should For bridge, road, building construction.The service life of un-bonded prestressed steel strand is to be determined by the life-span of steel strand wires, solves Certainly this problem it is crucial that improve the Corrosion Protection of steel strand wires.
In order to improve the service life of un-bonded prestressed steel strand, domestic and international production firm generally at steel strand wires with highly dense Coat anti-corrosion grease between degree polyethylene, be used for protecting steel strand wires from corrosion.GB JG/T430-2014 defines nothing The technical indicator of binding prestress reinforcement lubricating grease, the commercially available product barrier propterty meeting this standard is not the most prominent, anti- Rust performance and antioxygenic property are poor, after anti-corrosion grease is oxidized, can produce a large amount of acid product, thus accelerate steel strand wires Corrosion, it is impossible to steel strand wires are played protective action, it is therefore necessary to develop a kind of anti-corrosion grease, it is possible to steel strand wires Long-time, excellent protective action is provided.
Summary of the invention
It is an object of the invention to overcome unbonded prestressing tendon steel strand wires anticorrosion grease antioxygenic property in prior art Difference, it is impossible to play the deficiency of protective action for a long time, it is provided that one disclosure satisfy that steel strand wires use for a long time, can play anti-simultaneously Oxidation, the unbonded prestressing tendon anti-corrosion grease and preparation method thereof of antirust, corrosion-resisting function.
For achieving the above object, the technical solution used in the present invention is:
A kind of unbonded prestressing tendon anti-corrosion grease, comprises the following components in parts by weight:
Base oil: 60-90 part；
Isocyanates: 1-5 part；
Fatty amine: 1-5 part；
Aromatic amine: 1-6 part；
Antirust agent: 0.5-1 part；
Antioxidant: 0.3-0.8 part.
Described base oil is combined by one or both of paraffin base mineral oil or alpha olefine synthetic oil.
The preparation method of a kind of unbonded prestressing tendon anti-corrosion grease, comprises the steps:
(1) in the first reactor, add part basis oil, be warming up to 50-60 DEG C, isocyanates put in the first reactor, Stirring 30min；
(2) in the second reactor, add remaining base oil, add fatty amine and aromatic amine, be warming up to 75-90 DEG C, stirring 50min；
(3) being slowly added in the first reactor by the material in the second reactor, temperature is maintained at 65-95 DEG C, reacts 1.5h；Slow Slowly 120-140 DEG C it is warming up to, constant temperature 10min；It is cooled back to 100-110 DEG C, adds antirust agent, antioxidant, be allowed to all dissolve, And stir 30min at this temperature, and it being cooled to 80-90 DEG C, homogenizing processes, and prepares this lubricating grease.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated, it will be appreciated that concrete reality described herein Execute mode only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1
The preparation method of a kind of unbonded prestressing tendon anti-corrosion grease, comprises the steps: first in the first reactor (40 DEG C of kinematic viscosity are 180mm to add 200g paraffin base mineral oil2/ s), it is warming up to 55 DEG C, 16.68gMDI is put into first anti- In answering still, stir 30min；(40 DEG C of kinematic viscosity are 180mm to add 238.6g paraffin base mineral oil to the second reactor2/ s), Add 11.02g octadecylamine and 11.4g hexamethylene, be warming up to 75-90 DEG C, stir 50min；Second reactor material is slowly added Entering the first reactor, react 1.5h, temperature is maintained at 65-95 DEG C, is to slowly warm up to 120-140 DEG C, constant temperature 10min, then cools down To 100-110 DEG C, add 2g dioctyl diphenylamine, 10g barium mahogany sulfonate, be allowed to all dissolve, and stir at this temperature 30min, is cooled to 80-90 DEG C, and homogenizing processes, and prepares this lubricating grease.Its performance is listed in table 1.
Embodiment 2
The preparation method of a kind of unbonded prestressing tendon anti-corrosion grease, comprises the steps: first in the first reactor (40 DEG C of kinematic viscosity are 210mm to add 200g polyalphaolefin2/ s), it is warming up to 55 DEG C, 16.68gMDI is put into the first reactor In, stir 30min；(40 DEG C of kinematic viscosity are 180mm to add 238.6g paraffin base mineral oil to the second reactor2/ s), add 11.02g octadecylamine and 11.4g hexamethylene, be warming up to 75-90 DEG C, stirs 50min；Second reactor material is slowly added to One reactor, reacts 1.5h, and temperature is maintained at 65-95 DEG C, is to slowly warm up to 120-140 DEG C, and constant temperature 10min is cooled back to 100-110 DEG C, add 2g dioctyl diphenylamine, 10g barium mahogany sulfonate, be allowed to all dissolve, and stir at this temperature 30min, is cooled to 80-90 DEG C, and homogenizing processes, and prepares this lubricating grease.Its performance is listed in table 1.
Embodiment 3
The preparation method of a kind of unbonded prestressing tendon anti-corrosion grease, comprises the steps: first in the first reactor (40 DEG C of kinematic viscosity are 180mm to add 200g paraffin base mineral oil2/ s), it is warming up to 55 DEG C, 16.68gMDI is put into first anti- In answering still, stir 30min；(40 DEG C of kinematic viscosity are 180mm to add 238.6g paraffin base mineral oil to the second reactor2/ s), Add 11.02g octadecylamine and 11.8g aniline, be warming up to 75-90 DEG C, stir 50min；Second reactor material is slowly added to First reactor, reacts 1.5h, and temperature is maintained at 65-95 DEG C, is to slowly warm up to 120-140 DEG C, and constant temperature 10min is cooled back to 100-110 DEG C, add 2g dioctyl diphenylamine, 10g barium mahogany sulfonate, be allowed to all dissolve, and stir at this temperature 30min, is cooled to 80-90 DEG C, and homogenizing processes, and prepares this lubricating grease.Its performance is listed in table 1.
Embodiment 4
The preparation method of a kind of unbonded prestressing tendon anti-corrosion grease, comprises the steps: first in the first reactor (40 DEG C of kinematic viscosity are 210mm to add 200g polyalphaolefin2/ s), it is warming up to 55 DEG C, 16.68gMDI is put into the first reactor In, stir 30min；(40 DEG C of kinematic viscosity are 180mm to add 238.6g paraffin base mineral oil to the second reactor2/ s), add 11.02g octadecylamine and 11.8g aniline, be warming up to 75-90 DEG C, stirs 50min；Second reactor material is slowly added to first Reactor, reacts 1.5h, and temperature is maintained at 65-95 DEG C, is to slowly warm up to 120-140 DEG C, and constant temperature 10min is cooled back to 100- 110 DEG C, add 2g dioctyl diphenylamine, 10g barium mahogany sulfonate, be allowed to all dissolve, and stir 30min at this temperature, cold But to 80-90 DEG C, homogenizing processes, and prepares this lubricating grease.Its performance is listed in table 1.
Embodiment 5
The preparation method of a kind of unbonded prestressing tendon anti-corrosion grease, comprises the steps: first in the first reactor (40 DEG C of kinematic viscosity are 180mm to add 200g paraffin base mineral oil2/ s), it is warming up to 55 DEG C, 16.68gMDI is put into first anti- In answering still, stir 30min；(40 DEG C of kinematic viscosity are 180mm to add 228.6g paraffin base mineral oil to the second reactor2/ s), Add 11.02g octadecylamine and 11.4g hexamethylene, be warming up to 75-90 DEG C, stir 50min；Second reactor material is slowly added Entering the first reactor, react 1.5h, temperature is maintained at 65-95 DEG C, is to slowly warm up to 120-140 DEG C, constant temperature 10min, then cools down To 100-110 DEG C, add 2g dioctyl diphenylamine, 10g barium mahogany sulfonate, 10g dinonylnaphthalene sulfonic acid calcium, be allowed to all dissolve, And stir 30min at this temperature, and it being cooled to 80-90 DEG C, homogenizing processes, and prepares this lubricating grease.Its performance is listed in table 1.
Table 1 is the physicochemical property detection data of each embodiment lubricating grease.
Detection project Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Embodiment 5 Commercially available prod Test method
Drawing cone in-degree, 0.1mm 267 274 258 266 269 278 GB/T269
Dropping point, DEG C 267 270 273 274 267 178 GB/T3498
Copper corrosion (100 DEG C, 24h) Qualified Qualified Qualified Qualified Qualified Qualified SH/T0331
Damp heat test (No. 45 steel, 49 DEG C, 60d) A A A A A B GB/T2361
Salt spray test (No. 45 steel, 35 DEG C, 5 parts of NaCl solution, 60d) A A A A A B SH/T0081
The experiment of lubricating grease anti-corrosive properties (52 DEG C, 100 parts of humidity, 48h) 1 grade 1 grade 1 grade 1 grade 1 grade 2 grades GB/T5018
Oxidation stability (99 DEG C, 100h, 758KPa) pressure drop Kpa 1 0 1 0 0 45 SH/T0325
The above, only in order to technical scheme to be described and unrestricted, those of ordinary skill in the art are to this Other amendment or equivalent that bright technical scheme is made, without departing from the spirit and scope of technical solution of the present invention, All should contain in the middle of scope of the presently claimed invention.

Claims (3)

1. a unbonded prestressing tendon anti-corrosion grease, it is characterised in that comprise the following components in parts by weight:
Base oil: 60-90 part；
Isocyanates: 1-5 part；
Fatty amine: 1-5 part；
Aromatic amine: 1-6 part；
Antirust agent: 0.5-1 part；
Antioxidant: 0.3-0.8 part.
Unbonded prestressing tendon anti-corrosion grease the most according to claim 1, it is characterised in that described base oil is by stone One or both of paraffin-based mineral oil or alpha olefine synthetic oil combine.
The preparation method of unbonded prestressing tendon anti-corrosion grease the most according to claim 1, it is characterised in that include Following steps:
(1) in the first reactor, add part basis oil, be warming up to 50-60 DEG C, isocyanates put in the first reactor, Stirring 30min；
(2) in the second reactor, add remaining base oil, add fatty amine and aromatic amine, be warming up to 75-90 DEG C, stirring 50min；
(3) being slowly added in the first reactor by the material in the second reactor, temperature is maintained at 65-95 DEG C, reacts 1.5h；Slow Slowly 120-140 DEG C it is warming up to, constant temperature 10min；It is cooled back to 100-110 DEG C, adds antirust agent, antioxidant, be allowed to all dissolve, And stir 30min at this temperature, and it being cooled to 80-90 DEG C, homogenizing processes, and prepares this lubricating grease.
CN201610241436.9A 2016-04-19 2016-04-19 Anti-corrosion lubricating grease for unbonded prestressed ribs and preparation method of anti-corrosion lubricating grease Pending CN105861125A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610241436.9A CN105861125A (en) 2016-04-19 2016-04-19 Anti-corrosion lubricating grease for unbonded prestressed ribs and preparation method of anti-corrosion lubricating grease

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Application Number Priority Date Filing Date Title
CN201610241436.9A CN105861125A (en) 2016-04-19 2016-04-19 Anti-corrosion lubricating grease for unbonded prestressed ribs and preparation method of anti-corrosion lubricating grease

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111117730A (en) * 2019-12-27 2020-05-08 柳州欧维姆结构检测技术有限公司 Protective grease for bridge inhaul cable and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU440400A1 (en) * 1972-01-26 1974-08-25 Бердянский опытный нефтемаслозавод Rope lubrication
CN102746930A (en) * 2012-06-27 2012-10-24 安庆市中天石油化工有限公司 Grease used specially for sintering machine in metallurgical industry and preparation method thereof
CN104804809A (en) * 2015-04-28 2015-07-29 天津市金海利油脂有限公司 Lubricating grease for protecting aluminum-conductor steel-reinforced cables and preparation method of lubricating grease

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU440400A1 (en) * 1972-01-26 1974-08-25 Бердянский опытный нефтемаслозавод Rope lubrication
CN102746930A (en) * 2012-06-27 2012-10-24 安庆市中天石油化工有限公司 Grease used specially for sintering machine in metallurgical industry and preparation method thereof
CN104804809A (en) * 2015-04-28 2015-07-29 天津市金海利油脂有限公司 Lubricating grease for protecting aluminum-conductor steel-reinforced cables and preparation method of lubricating grease

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111117730A (en) * 2019-12-27 2020-05-08 柳州欧维姆结构检测技术有限公司 Protective grease for bridge inhaul cable and preparation method thereof
CN111117730B (en) * 2019-12-27 2022-04-15 柳州欧维姆结构检测技术有限公司 Protective grease for bridge inhaul cable and preparation method thereof

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Application publication date: 20160817

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