CN108929655A - Diamond paste and preparation method thereof - Google Patents
Diamond paste and preparation method thereof Download PDFInfo
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- CN108929655A CN108929655A CN201710405801.XA CN201710405801A CN108929655A CN 108929655 A CN108929655 A CN 108929655A CN 201710405801 A CN201710405801 A CN 201710405801A CN 108929655 A CN108929655 A CN 108929655A
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- parts
- diamond
- diamond paste
- diadust
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
- C09K3/1472—Non-aqueous liquid suspensions
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Abstract
The present invention relates to a kind of diamond pastes and preparation method thereof.A kind of diamond paste, which is characterized in that include according to the mass fraction：5 parts~20 parts of diadust；10 parts~25 parts of dispersing agent；10 parts~15 parts of surfactant；15 parts~20 parts of liquid oil；And 40 parts~50 parts of lithium base lubricating agent；Wherein, the surfactant is nonionic surfactant；The lithium base lubricating agent includes according to the mass fraction：6 parts~7.5 parts of animal and plant fat；12 parts~15 parts of lithium hydroxide；16 parts~18 parts of fatty acid；And 6 parts~7.5 parts of base oil.Above-mentioned diamond paste, by diadust, dispersing agent, nonionic surfactant, liquid oil machine lithium base lubricating agent rational proportion, the diamond paste consistency grade being prepared is between 0#~3#, diamond paste has preferable mobility, and good dispersion of the diadust in diamond paste, the scratch generated in the attrition process for high hardness material are few.
Description
Technical field
The present invention relates to abrasive pastes preparation technical fields, more particularly to diamond paste and preparation method thereof.
Background technique
Diadust is a kind of with the good ultra-fine abrasive material of the mechanical and physical performances such as high-intensitive, corrosion-resistant.Currently, golden
Hard rock micro mist is widely used in the manufacture field of the high hardness materials such as ceramics, sapphire, hard alloy, silicon wafer.According to not
The processing purposes of same domain, diadust can be modulated into the products such as aerosol, oiliness or waterborne liquid, lotion.Industry at present
The interior research predominantly for diamond aerosol, diamond grinding fluid, and to the research of diamond paste also than relatively limited.
At present diamond paste there are still abrasive material bad dispersibility, mobility is low, is also easy to produce the problems such as scratch.
Summary of the invention
Based on this, it is necessary to for current diamond paste there are still abrasive material bad dispersibility, mobility is low, be also easy to produce draw
The problem of trace, provides a kind of diamond paste and preparation method thereof.
A kind of diamond paste includes according to the mass fraction：
Wherein, the surfactant is nonionic surfactant；The lithium base lubricating agent includes according to the mass fraction：
In a wherein embodiment, include according to the mass fraction：
In a wherein embodiment, the diadust is polycrystalline diamond micro mist.
In a wherein embodiment, the partial size of the diadust is 0.5 μm~9 μm.
In a wherein embodiment, the dispersing agent be selected from glycerine, triethanolamine, polyvinyl alcohol, polypropylene glycol,
At least one of nonylphenol polyoxyethylene ether.
In a wherein embodiment, it is poly- that the nonionic surfactant is selected from polyoxyethylene oleic acid ester, stearic acid
Ethylene oxide ester, aliphatic amine polyoxyethylene ether, fatty alcohol polyoxyethylene ether, alkylolamides polyethylene oxide, ethylene glycol list are stearic
At least one of acid esters and polyethylene glycol stearate diester.
In a wherein embodiment, the liquid oil in peanut oil, olive oil, soybean oil and rapeseed oil extremely
Few one kind.
The preparation method of above-mentioned diamond paste, which is characterized in that include the following steps：
It handles diadust, liquid oil and dispersing agent ultrasonic mixing to obtain diamond slurry；
Surfactant and lithium base lubricating agent are uniformly mixed and obtain mixture；
It will be uniformly mixed to obtain diamond paste in the mixture and diamond slurry.
It is described to handle to obtain by diadust, liquid oil and dispersing agent ultrasonic mixing in a wherein embodiment
The frequency of the processing of ultrasonic mixing described in the step of diamond slurry is 20kHz~60kHz；The time of the ultrasonic mixing processing
For 10min~30min.
In a wherein embodiment, by the way of stirring described in the mixture is added in diamond slurry
It is uniformly mixed, the revolving speed of stirring is 500rad/min~800rad/min；The mixed time is 10min~20min.
Above-mentioned diamond paste passes through diadust, dispersing agent, nonionic surfactant, liquid oil machine lithium base
The rational proportion of lubricant, between 0#~3#, diamond paste has the diamond paste consistency grade being prepared
Preferable mobility, and good dispersion of the diadust in diamond paste, add in the grinding for high hardness material
The scratch that working hour generates is few.
Detailed description of the invention
Fig. 1 is the preparation method flow chart of the diamond paste of an embodiment；
Fig. 2 is the zirconia ceramics table after the obtained diamond paste of embodiment 3 grinds zirconia ceramics
The digital photograph in face；
Fig. 3 is the zirconia ceramics table after the obtained diamond paste of embodiment 6 grinds zirconia ceramics
The digital photograph in face.
Specific embodiment
Diamond paste and preparation method thereof is made below in conjunction with specific embodiment and attached drawing further detailed
Explanation.
The diamond paste of one embodiment includes according to the mass fraction：
In a wherein embodiment, diadust is polycrystalline diamond micro mist.Polycrystalline diamond micro mist utilizes good
Good toughness, is not likely to produce scuffing while being able to maintain high grinding force during grinding and polishing.An embodiment party wherein
In formula, the partial size of diadust is 0.5 μm~9 μm.
In a wherein embodiment, dispersing agent is selected from glycerine, triethanolamine, polyvinyl alcohol, polypropylene glycol, nonyl
At least one of phenol polyethenoxy ether.
In a wherein embodiment, surfactant is nonionic surfactant；The non-ionic surface active
Agent is selected from polyoxyethylene oleic acid ester, polyoxyethylene stearic acid ester, aliphatic amine polyoxyethylene ether, fatty alcohol polyoxyethylene ether, alkyl
At least one of alkylolamides polyoxyethylene ether, ethylene glycol monostearate and polyethylene glycol stearate diester.
In a wherein embodiment, liquid oil in peanut oil, olive oil, soybean oil and rape seed oil at least one
Kind.Liquid oil directly selects commercially available liquid oil.
In a wherein embodiment, lithium base lubricating agent includes according to the mass fraction：
In a wherein embodiment, animal and plant fat is selected from least one of lard, tallow and suet.Animals and plants
The consistency grade of grease at room temperature is 1#~3#.It should be noted that ASTM cone penetration when consistency grade is 25 DEG C, 0# is corresponding
35.5mm~38.5mm；1# corresponds to 31mm~34mm；2# corresponds to 26.5mm~29.5mm；3# corresponds to 22mm~25mm；4# is corresponding
17.5mm~20.5mm；5# corresponds to 13mm~16mm；6# corresponds to 8.5mm~11.5mm.Preferably, animal and plant fat is shell factory
The animal and plant fat of the trade mark degree of being preferred of family.
In a wherein embodiment, lithium hydroxide is powdered.Certainly in other embodiments, lithium hydroxide is also
It can be lithium hydroxide aqueous solution, the concentration of lithium hydroxide aqueous solution is 5%~30%.
In a wherein embodiment, carbon atom number is 6~26 in fatty acid.It is solid fraction that fatty acid, which is under room temperature,.
In a wherein embodiment, base oil is at least one of synthetic oil, mineral oil and Esters oil.Base oil
Viscosity at room temperature is 50Pas~200Pas.Preferably, base oil is the good degree trade mark of shell producer.
In a wherein embodiment, animal and plant fat, lithium hydroxide, fatty acid and base oil are obtained by said ratio
The lithium base lubricating agent arrived is paste.The consistency grade of lithium base lubricating agent is 1#~3#.
In a wherein embodiment, the consistency grade of diamond paste is 0#~3#.
In a wherein embodiment, diamond paste includes according to the mass fraction：
Above-mentioned diamond paste passes through diadust, dispersing agent, nonionic surfactant, liquid oil machine lithium base
The rational proportion of lubricant, between 0#~3#, diamond paste has the diamond paste consistency grade being prepared
Preferable mobility, and good dispersion of the diadust in diamond paste, add in the grinding for high hardness material
The scratch that working hour generates is few.
Referring to Fig. 1, the preparation method of the diamond paste of an embodiment, includes the following steps：
S110, it handles diadust, liquid oil and dispersing agent ultrasonic mixing to obtain diamond slurry.
In a wherein embodiment, supersonic frequency when ultrasonic mixing is handled is 20kHz~60kHz.
In a wherein embodiment, by diadust, liquid oil and dispersing agent ultrasonic mixing processing while into
Row stir process, the revolving speed of stirring are 500rad/min~800rad/min.
In a wherein embodiment, the time by the processing of diadust, liquid oil and dispersing agent ultrasonic mixing is
10min~30min.
S120, it surfactant and lithium base lubricating agent is uniformly mixed obtains mixture.
In a wherein embodiment, Surfactant and lithium base lubricating agent are stirred to uniformly mixed.
The revolving speed of stir process is 500rad/min~800rad/min；The time of stir process is 10min~20min.
S130, it will be uniformly mixed to obtain diamond paste in mixture and diamond slurry.
It in a wherein embodiment, adds mixture in diamond slurry and is stirred, the revolving speed of stirring is
500rad/min~800rad/min；The mixed time is 10min~20min.
The preparation method of above-mentioned diamond paste is simple, easy to operate, is easy to realize industrial production.
Here is the explanation of specific embodiment, and following embodiment is unless otherwise specified, then inevitably miscellaneous without containing removing
The component pointed out is not known in other other than matter.
Embodiment 1
5 parts of diadust, 20 parts of peanut oil and 10 parts of glycerine are uniformly mixed under ultrasonic agitation and obtain gold
Hard rock slurry.Supersonic frequency is 60kHz, stirring rate 500rad/min, incorporation time 10min.Wherein, diadust
Partial size be 7 μm.
15 parts of polyoxyethylene oleic acid ester and 50 parts of lithium base lubricating agents are uniformly mixed, stirring rate when mixing be for
500rad/min, incorporation time 15min.Wherein, lithium base lubricating agent by 7.5 parts of animal and plant fat, 15 parts of lithium hydroxide,
20 parts of fatty acid and 7.5 parts of base oil are prepared.
The mixture of above-mentioned surfactant and lithium base lubricating agent is added in above-mentioned diamond slurry and is uniformly mixed
To diamond paste, stirring rate when mixing is 600rad/min, incorporation time 15min.
Embodiment 2
8 parts of diadust, 15 portions of rape seed oils and 15 parts of triethanolamines are uniformly mixed under ultrasonic agitation and obtain gold
Hard rock slurry.Supersonic frequency is 40kHz, stirring rate 600rad/min, incorporation time 25min.Wherein, diadust
Partial size be 5 μm.
12 parts of polyoxyethylene stearic acid ester and 45 parts of lithium base lubricating agents are uniformly mixed, stirring rate when mixing be for
600rad/min, incorporation time 15min.Wherein, lithium base lubricating agent is by 6.75 parts of animal and plant fat, 13.5 parts of hydroxide
Lithium, 18 parts of fatty acid and 6.75 parts of base oil are prepared.
The mixture of above-mentioned surfactant and lithium base lubricating agent is added in above-mentioned diamond slurry and is uniformly mixed
To diamond paste, stirring rate when mixing is 600rad/min, incorporation time 10min.
Embodiment 3
10 parts of diadust, 15 parts of soybean oil and 20 parts of polyvinyl alcohol are uniformly mixed under ultrasonic agitation and are obtained
Diamond slurry.Supersonic frequency is 40kHz, stirring rate 600rad/min, incorporation time 30min.Wherein, diamond is micro-
The partial size of powder is 3 μm.
10 parts of aliphatic amine polyoxyethylene ether and 45 parts of lithium base lubricating agents are uniformly mixed, stirring rate when mixing be for
600rad/min, incorporation time 15min.Wherein, lithium base lubricating agent is by 6 parts of animal and plant fat, 12 parts of lithium hydroxide, 16
The fatty acid and 6 parts of base oil of part are prepared.
The mixture of above-mentioned surfactant and lithium base lubricating agent is added in above-mentioned diamond slurry and is uniformly mixed
To diamond paste, stirring rate when mixing is 600rad/min, incorporation time 15min.
Embodiment 4
15 parts of diadust, 20 parts of olive oil and 15 parts of polypropylene glycols are uniformly mixed under ultrasonic agitation and are obtained
Diamond slurry.Supersonic frequency is 40kHz, stirring rate 600rad/min, incorporation time 15min.Wherein, diamond is micro-
The partial size of powder is 3 μm.
10 parts of fatty alcohol polyoxyethylene ether and 40 parts of lithium base lubricating agents are uniformly mixed, stirring rate when mixing be for
800rad/min, incorporation time 15min.Wherein, lithium base lubricating agent is by 6 parts of animal and plant fat, 12 parts of lithium hydroxide, 16
The fatty acid and 6 parts of base oil of part are prepared.
The mixture of above-mentioned surfactant and lithium base lubricating agent is added in above-mentioned diamond slurry and is uniformly mixed
To diamond paste, stirring rate when mixing is 600rad/min, incorporation time 20min.
Embodiment 5
10 parts of diadust, 15 parts of rape seed oil and 25 parts of nonylphenol polyoxyethylene ether are mixed under ultrasonic agitation
Uniformly obtain diamond slurry.Supersonic frequency is 20kHz, stirring rate 800rad/min, incorporation time 30min.Wherein,
The partial size of diadust is 1 μm.
10 parts of alkylolamides polyethylene oxide and 40 parts of lithium base lubricating agents are uniformly mixed, stirring rate when mixing
For for 600rad/min, incorporation time 15min.Wherein, lithium base lubricating agent is by 6 parts of animal and plant fat, 12 parts of hydroxide
Lithium, 16 parts of fatty acid and 6 parts of base oil are prepared.
The mixture of above-mentioned surfactant and lithium base lubricating agent is added in above-mentioned diamond slurry and is uniformly mixed
To diamond paste, stirring rate when mixing is 600rad/min, incorporation time 15min.
Embodiment 6
Water soluble surfactant active's Polyoxyethylene Sorbitol Fatty Acid Esters of 5 parts of diadust and 5 parts are added to
In 40 parts of dispersing agent ethylene glycol, disperse 15min in the case where supersonic frequency is the ultrasonic wave of 40Hz, and stirs to being uniformly dispersed.Again
The oil soluble surfactant Span of 45 parts of grease and 5 parts is added in dispersing agent, continues to stir to equal
It is even to obtain diamond paste.Wherein, the partial size of diadust is 3 μm.
It is as shown in table 1 that test result is carried out to the performance of the preparation-obtained diamond paste of Examples 1 to 6.Wherein,
Storage time be diamond paste 20 DEG C at a temperature of stand to there is the time precipitated,；Consistency is using three sharp producers
The cone penetration tester of SYD model is tested to obtain.
Brush plate is cooperated and using diamond paste prepared by Examples 1 to 6 to zirconium oxide using single-sided lapping machine
Ceramics are ground, and the scratch situation of the ceramic surface after milled processed, roughness, removal rate are counted such as 1 institute of table
Show, tonnage is 5Kgf when being ground, and the revolving speed of single-sided lapping machine is 90rad/min, and the time of grinding is
10min, the dosage of diamond paste are 5g.Wherein, roughness is surveyed using the roughness tester of the NewView of ZYGO producer
Examination obtains；Removal rate refers to the removal speed in the unit time to zirconia ceramics surface thickness.
Table 1
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of diamond paste, which is characterized in that include according to the mass fraction：
Wherein, the surfactant is nonionic surfactant；The lithium base lubricating agent includes according to the mass fraction：
2. diamond paste according to claim 1, which is characterized in that include according to the mass fraction：
3. diamond paste according to claim 1 or 2, which is characterized in that the diadust is polycrystalline diamond
Stone micro mist.
4. diamond paste according to claim 1 or 2, which is characterized in that the partial size of the diadust is 0.5
μm~9 μm.
5. diamond paste according to claim 1 or 2, which is characterized in that the dispersing agent is selected from glycerine, three second
At least one of hydramine, polyvinyl alcohol, polypropylene glycol, nonylphenol polyoxyethylene ether.
6. diamond paste according to claim 1 or 2, which is characterized in that the nonionic surfactant is selected from
Polyoxyethylene oleic acid ester, polyoxyethylene stearic acid ester, aliphatic amine polyoxyethylene ether, fatty alcohol polyoxyethylene ether, alkylolamides
At least one of polyoxyethylene ether, ethylene glycol monostearate and polyethylene glycol stearate diester.
7. diamond paste according to claim 1 or 2, which is characterized in that the liquid oil is selected from peanut oil, olive
At least one of oil, soybean oil and rapeseed oil.
8. the preparation method of diamond paste according to any one of claims 1 to 7, which is characterized in that including following
Step：
It handles diadust, liquid oil and dispersing agent ultrasonic mixing to obtain diamond slurry；
Surfactant and lithium base lubricating agent are uniformly mixed and obtain mixture；
It will be uniformly mixed to obtain diamond paste in the mixture and diamond slurry.
9. the preparation method of diamond paste according to claim 8, which is characterized in that it is described by diadust,
The frequency that liquid oil and dispersing agent ultrasonic mixing handle the processing of ultrasonic mixing described in the step of obtaining diamond slurry is 20kHz
~60kHz；The time of the ultrasonic mixing processing is 10min~30min.
10. the preparation method of diamond paste according to claim 8, which is characterized in that the institute by the way of stirring
It states for the mixture to be added in diamond slurry and be uniformly mixed, the revolving speed of stirring is 500rad/min~800rad/min；
The mixed time is 10min~20min.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111171728A (en) * | 2020-02-05 | 2020-05-19 | 辽宁科技大学 | Ti for stainless steel surfaceaZrbNicAlloy grinding and polishing paste |
| CN111234707A (en) * | 2020-03-28 | 2020-06-05 | 苏州普茨迈精密航空设备有限公司 | Elastic flowable grinding paste and preparation method thereof |
| CN116083052A (en) * | 2022-12-31 | 2023-05-09 | 北京国瑞升科技股份有限公司 | Diamond grinding paste and preparation method thereof |
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| JP2002053882A (en) * | 2000-08-04 | 2002-02-19 | Samitto Corporation:Kk | Slurry composition for cutting brittle material and method for cutting using the same |
| CN103013345A (en) * | 2012-12-21 | 2013-04-03 | 清华大学 | Oily diamond grinding liquid and preparation method thereof |
| CN104194647A (en) * | 2014-09-02 | 2014-12-10 | 蓝思科技股份有限公司 | Diamond grinding fluid and diamond grinding paste both special for processing sapphire and preparation methods of grinding liquid and grinding paste |
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| CN111171728A (en) * | 2020-02-05 | 2020-05-19 | 辽宁科技大学 | Ti for stainless steel surfaceaZrbNicAlloy grinding and polishing paste |
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| CN116083052A (en) * | 2022-12-31 | 2023-05-09 | 北京国瑞升科技股份有限公司 | Diamond grinding paste and preparation method thereof |
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