CN106147927B - A kind of preparation method of boronation Rap Oil -based green lubrication additive - Google Patents
A kind of preparation method of boronation Rap Oil -based green lubrication additive Download PDFInfo
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- CN106147927B CN106147927B CN201510136378.9A CN201510136378A CN106147927B CN 106147927 B CN106147927 B CN 106147927B CN 201510136378 A CN201510136378 A CN 201510136378A CN 106147927 B CN106147927 B CN 106147927B
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Abstract
The present invention relates to a kind of preparation methods of boronation Rap Oil -based green lubrication additive, the following steps are included: rape salad oil and alkaline solution are added into flask, 2h is stirred to react at 90~95 DEG C, after separating upper layer organic solvent, the above-mentioned organic solvent separated is washed three times using hot water, the above-mentioned organic solvent by washing is then subjected to vacuum dehydration；Boric acid is added into the organic solvent Jing Guo vacuum dehydration, keep the temperature at 55~60 DEG C of stirrings sufficiently reaction 1h, carry out cooling treatment, then upper layer organic solvent is separated using separatory funnel, separating-purifying is carried out to the above-mentioned upper layer organic solvent separated using column chromatography technology, the light yellow clear liquid obtained from, as boronation Modified Rapeseed Oil as Additives for Lubricating Oil.The present invention provides a kind of preparation method of boronation Rap Oil -based green lubrication additive, and solution lubricating additive can not degrade, preparation cost is high, synthesis path complexity technical problem.
Description
Technical field
The present invention relates to a kind of preparation methods of lubricating additive, and in particular, the present invention relates to be applied to chemical metallurgy to lead
A kind of preparation method of the boronation Rap Oil -based green lubrication additive in domain.
Background technique
Rape salad oil is a kind of compound triglyceride, and main component is castor bean oleic acid (Ricinoleic Acid),
Remaining is oleic acid and linoleic acid etc..In faint yellow or close to colourless under rape salad oil room temperature, close to transparent, no fragrance or have light
Light smell, taste is mild, has strong aperient effects after having sticky sense, human body to eat, contact may cause skin for a long time
It is scorching.Rape salad oil has the characteristic of high temperature resistant and lubrication, and in World War II, the rape salad oil after purification is widely used work
Replaced other mineral oil, but rape salad oil is refined because it can generate oxidation greasy dirt for the lubricant of internal combustion engine
Still by as general lubricant, machine oil, brake-fluid etc..
Mainly follow the preparation method of conventional mineral oil additive in the preparation of green lubrication additive both at home and abroad, i.e., it is logical
Cross research lubricant the absorption of surface of friction pair, tribochemistry behavior etc. rule on the basis of, screen it is some non-toxic or low-toxic and
It is easy to be adsorbed and occurred by frictional interface friction chemical reaction, generates shear strength is low, extreme pressure property is good adsorbed film or friction
The functional element or group of chemical reaction film carry out " group assembling ", synthesize nontoxic, biodegradable green lubrication addition
Agent, additive preparation cost is high, synthesis path is complicated.
Summary of the invention
It is an advantage of the invention to provide a kind of preparation method of boronation Rap Oil -based green lubrication additive, solutions
Certainly lubricating additive can not degrade, preparation cost is high, synthesis path complexity technical problem.
Above-mentioned purpose and other purposes of the invention solves by the following technical programs:
The present invention provides a kind of preparation method of boronation Rap Oil -based green lubrication additive, which is characterized in that the boron
Change the structural formula of Rap Oil -based green lubrication additive are as follows:
The following steps are included:
1. the rape salad oil and alkaline solution that mass ratio is 1:1 are added into flask, temperature is controlled at 90~95 DEG C
Stirring, is stirred to react 2h, separates upper layer organic solvent, and the hot water for the use of temperature being 90~95 DEG C is to the above-mentioned organic solvent separated
It is washed, above-mentioned washing step is iteratively repeated three times, then by above-mentioned after the organic solvent of washing is heated to 95 DEG C
Carry out vacuum dehydration, chemical reaction equation mode therein are as follows:
Rape salad oil quality 20%~25% is added in the organic solvent of vacuum dehydration 2. 1. passing through to above-mentioned steps
Boric acid keeps the temperature at 55~60 DEG C of stirrings sufficiently reaction 1h, carries out cooling treatment, then separate upper layer using separatory funnel
Organic solvent carries out separating-purifying to the above-mentioned upper layer organic solvent separated using column chromatography technology, light yellow obtained from
Transparency liquid, as boronation Modified Rapeseed Oil as Additives for Lubricating Oil, chemical equation therein are as follows:
A kind of preparation method of boronation Rap Oil -based green lubrication additive provided by the invention, it is preferable that the step
1. alkaline solution in is preferably that concentration is 5% liquor potassic permanganate.
The advantages and beneficial effects of the present invention are:
1. the present invention provides a kind of preparation method of boronation Rap Oil -based green lubrication additive, directly to biological degradability
Rapeseed oil that can be excellent implements chemical modification, and boron element is introduced in vegetable seed oil molecule double bond, obtains boracic modified vegetable seed glossy dark green mulberry
Lubricating additive, the biological degradation rate of the additive is up to 90% or more.
2. the present invention provides a kind of preparation method of boronation Rap Oil -based green lubrication additive, synthesis technology is simple, former
Material source is abundant, relative low price, and obtained green lubrication additive biodegradability is good, tradition can be replaced to contain
Sulphur, phosphorus, chlorine lubricating additive.
Specific embodiment
Technical solution provided by the invention is carried out combined with specific embodiments below to go deep into understanding.
The present invention provides a kind of preparation method of boronation Rap Oil -based green lubrication additive, which is characterized in that the boron
Change Rap Oil -based green lubrication additive structural formula be
Above-mentioned preparation method the following steps are included:
1. the rape salad oil and alkaline solution that mass ratio is 1:1 are added into flask, temperature is controlled at 90~95 DEG C
Stirring, is stirred to react 2h, separates upper layer organic solvent, and the hot water for the use of temperature being 90~95 DEG C is to the above-mentioned organic solvent separated
It is washed, above-mentioned washing step is iteratively repeated three times, then by above-mentioned after the organic solvent of washing is heated to 95 DEG C
Carry out vacuum dehydration, chemical reaction equation mode therein are as follows:
Rape salad oil quality 20%~25% is added in the organic solvent of vacuum dehydration 2. 1. passing through to above-mentioned steps
Boric acid keeps the temperature at 55~60 DEG C of stirrings sufficiently reaction 1h, carries out cooling treatment, then separate upper layer using separatory funnel
Organic solvent carries out separating-purifying to the above-mentioned upper layer organic solvent separated using column chromatography technology, light yellow obtained from
Transparency liquid, as boronation Modified Rapeseed Oil as Additives for Lubricating Oil, chemical equation therein are as follows:
Embodiment
The rape salad oil and concentration that addition mass ratio is 1:1 into flask are 5% liquor potassic permanganate, and temperature is controlled
It at 90~95 DEG C, is sufficiently stirred, rape salad oil and liquor potassic permanganate can generate chemical reaction, 2h while stirring
Afterwards, the upper layer organic solvent in flask is separated using separatory funnel, the hot water for the use of temperature being 90~95 DEG C washs above-mentioned separate
Organic solvent, be iteratively repeated above-mentioned washing step three times, be then heated to 95 DEG C, using vacuum pump assembly to above-mentioned by washing
The organic solvent washed carries out vacuum dehydration.
The boric acid of rape salad oil quality 20%~25% is added in organic solvent to above-mentioned steps Jing Guo vacuum dehydration,
55~60 DEG C are kept the temperature at, the mixture in flask is sufficiently stirred, after reacting 1h, is mixed to above-mentioned by stirring
Polymer solution carries out cooling treatment, using separatory funnel separates upper layer organic solvent, is separated using column chromatography technology to above-mentioned
Upper layer organic solvent carries out separating-purifying, the lubrication addition of the light yellow clear liquid obtained from, as boronation modified colza
Agent, the yield of boronation Modified Rapeseed Oil as Additives for Lubricating Oil are 92.6%.
According to the technique and scheme of the present invention, in the case where not changing connotation of the invention, the common skill of this field
Art personnel can propose multiple frame modes of the invention.Therefore following specific embodiments are only to technical solution of the present invention
Illustrate, and be not to be construed as whole of the invention or be considered as to define or limit technical solution of the present invention.
Claims (2)
1. a kind of preparation method of boronation Rap Oil -based green lubrication additive, which is characterized in that the boronation Rap Oil -based is green
The structural formula of color lubricating additive is
The following steps are included:
1. the rape salad oil and alkaline solution that mass ratio is 1:1 are added into flask, temperature control is stirred at 90~95 DEG C,
It is stirred to react 2h, separates upper layer organic solvent, the hot water for the use of temperature being 90~95 DEG C carries out the above-mentioned organic solvent separated
Washing, in triplicate by above-mentioned washing step, then carries out vacuum after the organic solvent of washing is heated to 95 DEG C for above-mentioned
Dehydration, chemical reaction equation mode therein are as follows:
The boric acid of rape salad oil quality 20%~25% is added 2. 1. passing through in the organic solvent of vacuum dehydration to above-mentioned steps,
It keeps the temperature at 55~60 DEG C of stirrings sufficiently reaction 1h and it is organic molten to separate upper layer using separatory funnel after carrying out cooling treatment
Agent carries out separating-purifying, the light yellow clear liquid obtained to the above-mentioned upper layer organic solvent separated using column chromatography technology
Body, as boronation Modified Rapeseed Oil as Additives for Lubricating Oil, chemical equation therein are as follows:
2. a kind of preparation method of boronation Rap Oil -based green lubrication additive according to claim 1, which is characterized in that
The step 1. in alkaline solution be preferably concentration be 5% liquor potassic permanganate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136378.9A CN106147927B (en) | 2015-03-26 | 2015-03-26 | A kind of preparation method of boronation Rap Oil -based green lubrication additive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136378.9A CN106147927B (en) | 2015-03-26 | 2015-03-26 | A kind of preparation method of boronation Rap Oil -based green lubrication additive |
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| Publication Number | Publication Date |
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| CN106147927A CN106147927A (en) | 2016-11-23 |
| CN106147927B true CN106147927B (en) | 2019-04-23 |
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| CN201510136378.9A Expired - Fee Related CN106147927B (en) | 2015-03-26 | 2015-03-26 | A kind of preparation method of boronation Rap Oil -based green lubrication additive |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328444A (en) * | 2008-07-22 | 2008-12-24 | 重庆德蒙特科技发展有限公司 | Boracic modified castor oil lubricating additive and preparation thereof |
| CN103242941B (en) * | 2013-04-21 | 2014-08-27 | 启东尤希路化学工业有限公司 | High-quality trace lubricant oil for near-dry cutting |
| CN103320211B (en) * | 2013-07-10 | 2015-01-14 | 合肥工业大学 | Method for preparing polyether lubricating oil by modified plant oil |
| CN103642557B (en) * | 2013-12-25 | 2016-02-03 | 陈波水 | Acid amide type lubricating oil biodegradation promotor and preparation method thereof |
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