CN105296132A - Water based lubricant with super lubrication performance and preparation method thereof - Google Patents
Water based lubricant with super lubrication performance and preparation method thereof Download PDFInfo
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- CN105296132A CN105296132A CN201510829761.2A CN201510829761A CN105296132A CN 105296132 A CN105296132 A CN 105296132A CN 201510829761 A CN201510829761 A CN 201510829761A CN 105296132 A CN105296132 A CN 105296132A
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Abstract
The invention discloses a water based lubricant with super lubrication performance and a preparation method thereof, and belongs to the field of a lubrication material. The water based lubricant is composed of 5-70wt% of polyether and 30-95% of water. The molecular weight of the polyether is 100-5000g/mol, and the polymeric monomer is alkylene oxide. The preparation method of the water based lubricant comprises the following steps: 5-70 mass percentage of polyether is added into water, and an aqueous solution of the polyether is obtained; ultrasonic treatment is carried out for ensuring complete miscibility of polyether and water, and the water based lubricant is obtained. The preparation method of the water based lubricant has the advantages of operation convenience, and safety and reliability; the raw material has a low cost, and is easily available and environment friendly, and the raw material does not pollute the environment. The water based lubricant can obviously and effectively reduce the friction coefficient between friction pairs, and ensure the ultra-lubrication scope is below 0.01; the water based lubricant has a wide application scope and a big utility value.
Description
Technical field
The invention belongs to lubricant technical field, be specifically related to a kind ofly possess water base lubricant of super lubricity and preparation method thereof.
Background technology
Now, along with excessive exploitation and a large amount of consumption of world energy sources, how high-efficient and lasting ground utilizes the limited energy to become the problem of all circles' concern in industrial production and daily life.According to statistics, the whole world energy consumed in process of friction and wear accounts for overall 1/3 to 1/2.And because the lubricant overwhelming majority used at present is that oil is improved based on mineral oil and synthetic oil, very large destruction can be had to environment in production and manufacturing processed.In addition, due to itself inflammable and explosive, the not character such as easy cleaning, in actual application, great limitation is had.Therefore, develop efficient, stable lubricant using water as substrate and become current study hotspot.
Summary of the invention
The object of the invention is to, for existing technical deficiency, provide a kind of and possess water base lubricant of super lubricity and preparation method thereof.
Possess a water base lubricant for super lubricity, be made up of the polyethers of 5%-70wt% and the water of 30-95wt%.
The molecular weight of described polyethers is 100g/mol-5000g/mol.
The polymerization single polymerization monomer of described polyethers is alkylene oxides; Described alkylene oxides is two or more in oxyethane, propylene oxide, butylene oxide ring.
Described polyethers is obtained by the polyaddition reaction under the effect of catalyzer and initiator of alkylene oxides raw material.Initiator is generally the polyfunctional alcohol containing at least one hydroxyl, comprises glycol ether, propyl carbinol, glycerine, sucrose, propylene glycol etc.; Catalyzer is generally highly basic, namely alkali metal hydroxide, generally can select potassium hydroxide, cesium hydroxide or sodium hydroxide etc.
In process of production, the polyethers of different solubilities in water can be obtained by the ratio of adjustment pfpe molecule alkylene oxide class.Under normal circumstances, the ratio of oxyethane in polyethers is higher, and the solubleness in water is larger.In addition, the reduction of molecular weight and the rising of terminal hydroxyl ratio can strengthen the solvability in water.
Described polyethers is water-soluble, under room temperature, is that 5%-70% can dissolve each other with water within the scope of this in its mass percent.
The preparation method of water base lubricant described above, comprises the following steps:
(1) massfraction of polyethers by 5%-70% is added to the water, obtains the aqueous solution of polyethers;
(2) by ultrasonication, polyethers and water are dissolved each other completely, obtains described water base lubricant.
Beneficial effect of the present invention is:
Low raw-material cost required for the present invention, be conveniently easy to get, operating process is simple, environmentally safe; The water base lubricant of preparation effectively can reduce the frictional coefficient of friction pair relative movement after of short duration race and process at friction pair, reach the scope (being less than 0.01) of super lubrication, compared with the frictional coefficient (0.08-0.1) of common lubricant, this lubricant can anti-friction wear-resistant better, easy and simple to handle, applied range, has great practical value.
Accompanying drawing explanation
Fig. 1 is the water-based lubricating liquid of embodiment 1 preparation and the frictional coefficient change curve in time of conventional base oil.
Fig. 2 is the frictional coefficient change curve in time of water-based lubricating liquid prepared by embodiment 2.
Fig. 3 is the frictional coefficient change curve in time of water-based lubricating liquid prepared by embodiment 3.
Fig. 4 is the frictional coefficient change curve in time of water-based lubricating liquid prepared by embodiment 4.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention will be further described.
For the water-based lubricating liquid prepared by different ratios, measure its frictional coefficient respectively, concrete measuring method is: adopt UMT3 friction wear testing machine to carry out tribology experiments.Experiment condition is: frequency 4Hz, load 3N, stroke 3mm, temperature 25 DEG C, is silicon nitride ball and the alumina ceramic plate of diameter 4mm to mill material.Reciprocating pattern is adopted to carry out 1 hour tribology experiments.
Embodiment 1
By polyethers by 50% massfraction be added to the water, obtain the aqueous solution of polyethers, by ultrasonication, two-phase fully dissolved each other, obtain the water base lubricant possessing super lubricity.
The frictional coefficient change curve in time that Fig. 1 (a) is the water base lubricant of above-mentioned preparation, as seen from the figure, frictional coefficient initial value is greater than 0.1, through of short duration race and stage, frictional coefficient declines gradually, finally stably can maintain less than 0.01, enter the superslide stage, show that this water base lubricant has the lubricity realizing ultralow friction coefficient.
Fig. 1 (b) is the frictional coefficient change curve in time of base oil whiteruss (when 25 DEG C, viscosity is 26.7cP) conventional on market, as seen from the figure, its frictional coefficient is greater than 0.1, through of short duration and violent race and stage, frictional coefficient is finally stabilized in 0.1, and experimental result shows that the frictional coefficient of this base oil is higher.
Embodiment 2
By polyethers by 60% massfraction be added to the water, obtain the aqueous solution of polyethers, by ultrasonication, two-phase fully dissolved each other, obtain the water base lubricant possessing super lubricity.
Fig. 2 is the frictional coefficient change curve in time of the water base lubricant of above-mentioned preparation, as seen from the figure, frictional coefficient initial value is greater than 0.1, through of short duration race and stage, frictional coefficient declines gradually, finally stably can maintain less than 0.01, enter the superslide stage, show that this water base lubricant has the lubricity realizing ultralow friction coefficient.
Embodiment 3
By polyethers by 30% massfraction be added to the water, obtain the aqueous solution of polyethers, by ultrasonication, two-phase fully dissolved each other, obtain the water base lubricant possessing super lubricity.
Fig. 3 is the frictional coefficient change curve in time of the water base lubricant of above-mentioned preparation, as seen from the figure, frictional coefficient initial value is greater than 0.1, through of short duration race and stage, frictional coefficient declines gradually, finally stably can maintain less than 0.01, enter the superslide stage, show that this water base lubricant has the lubricity realizing ultralow friction coefficient.
Embodiment 4
By polyethers by 10% massfraction be added to the water, obtain the aqueous solution of polyethers, by ultrasonication, two-phase fully dissolved each other, obtain the water base lubricant possessing super lubricity.
Fig. 4 is the frictional coefficient change curve in time of the water base lubricant of above-mentioned preparation, as seen from the figure, frictional coefficient initial value is greater than 0.1, through of short duration race and stage, frictional coefficient declines gradually, finally stably can maintain less than 0.01, enter the superslide stage, show that this water base lubricant has the lubricity realizing ultralow friction coefficient.
What be finally necessary explanation is; the foregoing is only the present invention's preferably specific embodiment; protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are on the technology contents basis disclosed by the present invention; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (5)
1. possess a water base lubricant for super lubricity, it is characterized in that, be made up of the polyethers of 5%-70wt% and the water of 30-95wt%.
2. water base lubricant according to claim 1, is characterized in that, the molecular weight of described polyethers is 100g/mol-5000g/mol.
3. water base lubricant according to claim 1, is characterized in that, the polymerization single polymerization monomer of described polyethers is alkylene oxides.
4. water base lubricant according to claim 3, is characterized in that, described alkylene oxides is two or more in oxyethane, propylene oxide, butylene oxide ring.
5. the preparation method of water base lubricant described in any one of claim 1-4, is characterized in that, comprise the following steps:
(1) massfraction of polyethers by 5%-70% is added to the water, obtains the aqueous solution of polyethers;
(2) by ultrasonication, polyethers and water are dissolved each other completely, obtains described water base lubricant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510829761.2A CN105296132A (en) | 2015-11-25 | 2015-11-25 | Water based lubricant with super lubrication performance and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510829761.2A CN105296132A (en) | 2015-11-25 | 2015-11-25 | Water based lubricant with super lubrication performance and preparation method thereof |
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| CN105296132A true CN105296132A (en) | 2016-02-03 |
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| CN201510829761.2A Pending CN105296132A (en) | 2015-11-25 | 2015-11-25 | Water based lubricant with super lubrication performance and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002226879A (en) * | 2000-11-30 | 2002-08-14 | Sanyo Chem Ind Ltd | Lubricant |
| JP2009097004A (en) * | 2007-09-27 | 2009-05-07 | Sanyo Chem Ind Ltd | Water soluble cutting fluid |
| CN103509633A (en) * | 2012-06-21 | 2014-01-15 | 中国石油天然气股份有限公司 | Water-soluble poly ether ester lubrication additive and preparation method thereof |
-
2015
- 2015-11-25 CN CN201510829761.2A patent/CN105296132A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002226879A (en) * | 2000-11-30 | 2002-08-14 | Sanyo Chem Ind Ltd | Lubricant |
| JP2009097004A (en) * | 2007-09-27 | 2009-05-07 | Sanyo Chem Ind Ltd | Water soluble cutting fluid |
| CN103509633A (en) * | 2012-06-21 | 2014-01-15 | 中国石油天然气股份有限公司 | Water-soluble poly ether ester lubrication additive and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 孙跃涛等: "无规共聚醚水溶液的摩擦学性能试验研究", 《第三届全国金属加工润滑技术学术研讨会文集》 * |
| 孙跃涛等: "月桂酸无规共聚醚水溶液减摩抗磨性能试验研究", 《机械工程学报》 * |
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Application publication date: 20160203 |