CN105440953B - A kind of water diamond lapping liquid of abrasive material sustained suspension and preparation method thereof - Google Patents
A kind of water diamond lapping liquid of abrasive material sustained suspension and preparation method thereof Download PDFInfo
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- CN105440953B CN105440953B CN201510744226.7A CN201510744226A CN105440953B CN 105440953 B CN105440953 B CN 105440953B CN 201510744226 A CN201510744226 A CN 201510744226A CN 105440953 B CN105440953 B CN 105440953B
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Abstract
The invention discloses a kind of water diamond lapping liquid of abrasive material sustained suspension and preparation method thereof, belong to accurate, ultraprecision grinding processing technique field.The lapping liquid is made up of the component of following mass fraction：0.1~5 part of diamond abrasive, 0.01~2 part of APES, 1~5 part of the N methyl pyrrolidones of modified polyurea, 1~5 part of N methyl pyrrolidones, 30~60 parts of organic solvent, 23~67.89 parts of water.The method that the present invention is modified by surface is modified diamond abrasive with APES, modified diamond abrasive is stablized to adsorb on the strand of the N methyl pyrrolidones of modified polyurea, adhesion enhancing between the two, the spacial framework of the N methyl pyrrolidone molecules of modified polyurea is utilized simultaneously, hinder diamond abrasive sedimentation aggregation, its sustained suspension is realized, mixing operation of the lapping liquid before use is saved, improves the convenience used.
Description
Technical field
The present invention relates to the preparation method of a kind of water diamond lapping liquid of abrasive material sustained suspension, and the lapping liquid,
Belong to accurate, ultraprecision grinding processing technique field.
Background technology
In water diamond lapping liquid, diamond abrasive is due to the collective effect of self gravitation, Van der Waals force, in short-term
Between can be quickly sedimentation be gathered in container bottom.Lapping liquid is before the use, it usually needs shake up processing again so that container bottle
Heavy poly- diamond abrasive redisperse is opened for bottom, and technique is cumbersome, wastes time and energy, and this processing procedure greatly reduces lapping liquid
Ease of use.
Publication number CN 101186804A patent of invention discloses a kind of water diamond lapping liquid, mainly by diamond
Micro mist, suspending agent, dispersion stabilizer, organic solvent and water composition, wherein suspending agent be saponified polyvinyl base alcohol, organic clay,
Precipitated silica, gas-phase silica, HYDROXY PROPYL METHYLCELLULOSE.Using this technical scheme, when diadust granularity exists
At 0.01~3 μm, abrasive material can keep even stable suspension state for a long time, be not in any precipitation clustering phenomena；Work as diamond
When granularity is more than 3 μm, then stable suspersion can not be kept.
The content of the invention
It is an object of the invention to provide a kind of water diamond lapping liquid of abrasive material sustained suspension.
Meanwhile, the present invention also provides a kind of preparation method of above-mentioned water diamond lapping liquid.
In order to realize the above object the technical solution adopted in the present invention is：
A kind of water diamond lapping liquid of abrasive material sustained suspension, is made up of the component of following mass fraction：Buddha's warrior attendant stone mill
0.1~5 part of material, 0.01~2 part of APES (surface modifier), the 1-METHYLPYRROLIDONE of modified polyurea is (outstanding
Floating agent) 1~5 part, 1~5 part of 1-METHYLPYRROLIDONE (cosolvent), 30~60 parts of organic solvent (lubricating auxiliary agent), water (dilution
Agent) 23~67.89 parts.
The granularity of the diamond abrasive is M0/0.25~M50/70 (0~70 μm), and purity is 99.5%.
The APES is that NPE, OPEO or dodecylphenol are poly-
Oxygen vinethene, is that analysis is pure above, and the length of polyoxyethylene chain will not have a negative impact to abrasive surface modification.Alkyl
Phenol polyethenoxy ether, in the physical absorption on diamond abrasive surface, changes Buddha's warrior attendant stone mill by the active function groups on its strand
Expect the physicochemical property of particle surface, be finally reached the purpose being modified to diamond abrasive surface.
The 1-METHYLPYRROLIDONE of the modified polyurea is commercial goods, easily leads to the limited public affairs of high polymer material purchased from Guangzhou
Department, purity is 95%.The 1-METHYLPYRROLIDONE and 1-METHYLPYRROLIDONE of modified polyurea, can be after being added in lapping liquid
Moment forms tridimensional network, lapping liquid is produced thixotropic fluidity, prevents diamond abrasive from settling during standing poly-
Collection, realizes its sustained suspension.
The preferred ethylene glycol of organic solvent or polyethylene glycol, are that analysis is pure.The raising that act as of organic solvent is ground
The lubricity of liquid.
The preferred deionized water of water, its TDS value is less than 0.03mg/L.Deionized water can reduce grinding fluid viscosity, improve
It is grinding the mobility of card.
A kind of preparation method of the water diamond lapping liquid of abrasive material sustained suspension, comprises the following steps：According to mass parts
Number accurately takes each component, and APES is added in diamond abrasive and mixed, and adds organic solvent and water is mixed,
The 1-METHYLPYRROLIDONE and 1-METHYLPYRROLIDONE for being eventually adding modified polyurea are mixed, and are produced.
The preferred ultrasonic disperse of mode of the mixing, or ultrasonic disperse are combined with stirring.The technique ginseng of ultrasonic disperse
Number is preferably：500~1500W of power, frequency 40KHz, 10~30 minutes time.
Beneficial effects of the present invention：
The present invention is modified diamond abrasive using APES so that modified diamond abrasive energy of adsorption
Stable absorption enhances the adhesion between the two on the strand of the 1-METHYLPYRROLIDONE of modified polyurea.Utilize and change simultaneously
Property polyureas 1-METHYLPYRROLIDONE molecule spacial framework, hinder diamond abrasive grains sedimentation aggregation, realize that its is steady
It is fixed to suspend, the final ease of use for improving lapping liquid.In addition, the present invention can also avoid because abrasive material deposit caking and there may be
The hidden danger of manufacturing deficiency.
The preparation technology of water diamond lapping liquid is simple, easy to operate in the present invention, suitable for scale industrial production and should
With.
Brief description of the drawings
Fig. 1 prepares the suspendability contrast of diamond abrasive in lapping liquid for embodiment 1 in test example and comparative example.
Embodiment
Following embodiments are only described in further detail to the present invention, but do not constitute any limitation of the invention.
Embodiment 1
The water diamond lapping liquid of abrasive material sustained suspension in the present embodiment, is made up of the component of following mass fraction：Gold
0.1 part of hard rock abrasive material (granularity M0/0.5, purity 99.5%), (surface modifier, NP-6 is each with NP-9 for NPE
Take 0.005 part, analyze pure) 0.01 part, 1 part of the 1-METHYLPYRROLIDONE (suspending agent, purity 95%) of modified polyurea, N- methyl pyrroles
1 part of pyrrolidone (analysis is pure), 30 parts of ethylene glycol (analysis is pure), 67.89 parts of deionized water (TDS values are less than 0.03mg/L).
The preparation method of the water diamond lapping liquid of abrasive material sustained suspension, comprises the following steps：It is accurate according to mass fraction
Each component really is taken, NPE is added in diamond abrasive, is stirred and ultrasonic disperse 10min, ultrasonic power
500W, frequency 40KHz；Ethylene glycol and deionized water are added, is stirred and ultrasonic disperse (power, frequency are ibid) 20min；Finally
Add the 1-METHYLPYRROLIDONE and 1-METHYLPYRROLIDONE of modified polyurea, stir and ultrasonic disperse (power, frequency are ibid)
15min, is produced.
Embodiment 2
The water diamond lapping liquid of abrasive material sustained suspension in the present embodiment, is made up of the component of following mass fraction：Gold
0.5 part of hard rock abrasive material (granularity M5/10, purity 99.5%), (surface modifier, OP-6 is each with OP-9 for OPEO
Take 0.25 part, analyze pure) 0.5 part, 2 parts of the 1-METHYLPYRROLIDONE (suspending agent, purity 95%) of modified polyurea, N- methylpyrroles
2 parts of alkanone (analysis is pure), 40 parts of polyethylene glycol (analysis is pure), 55 parts of deionized water (TDS values are less than 0.03mg/L).
The preparation method of the water diamond lapping liquid of abrasive material sustained suspension, comprises the following steps：It is accurate according to mass fraction
Each component really is taken, OPEO is added in diamond abrasive, is stirred and ultrasonic disperse 15min, ultrasonic power
600W, frequency 40KHz；Polyethylene glycol and deionized water are added, is stirred and ultrasonic disperse (power, frequency are ibid) 20min；Most
Add the 1-METHYLPYRROLIDONE and 1-METHYLPYRROLIDONE of modified polyurea afterwards, stir and ultrasonic disperse (power, frequency are ibid)
20min, is produced.
Embodiment 3
The water diamond lapping liquid of abrasive material sustained suspension in the present embodiment, is made up of the component of following mass fraction：Gold
2 parts of hard rock abrasive material (granularity M20/30, purity 99.5%), (surface modifier, NP-6 is each with NP-15 for NPE
Take 0.5 part, analyze pure) 1 part, 3 parts of the 1-METHYLPYRROLIDONE (suspending agent, purity 95%) of modified polyurea, N- crassitudes
3 parts of ketone (analysis is pure), 50 parts of polyethylene glycol (analysis is pure), 41 parts of deionized water (TDS values are less than 0.03mg/L).
The preparation method of the water diamond lapping liquid of abrasive material sustained suspension, comprises the following steps：It is accurate according to mass fraction
Each component really is taken, NPE is added in diamond abrasive, is stirred and ultrasonic disperse 10min, ultrasonic power
800W, frequency 40KHz；Polyethylene glycol and deionized water are added, is stirred and ultrasonic disperse (power, frequency are ibid) 20min；Most
Add the 1-METHYLPYRROLIDONE and 1-METHYLPYRROLIDONE of modified polyurea afterwards, stir and ultrasonic disperse (power, frequency are ibid)
15min, is produced.
Embodiment 4
The water diamond lapping liquid of abrasive material sustained suspension in the present embodiment, is made up of the component of following mass fraction：Gold
3 parts of hard rock abrasive material (granularity M25/35, purity 99.5%), dodecyl phenol polyethenoxy ether (surface modifier is analyzed pure) 2
Part, 4 parts of the 1-METHYLPYRROLIDONE (suspending agent, purity 95%) of modified polyurea, 4 parts of 1-METHYLPYRROLIDONE (analysis is pure), second
50 parts of glycol (analysis is pure), 37 parts of deionized water (TDS values are less than 0.03mg/L).
The preparation method of the water diamond lapping liquid of abrasive material sustained suspension, comprises the following steps：It is accurate according to mass fraction
Each component really is taken, dodecyl phenol polyethenoxy ether is added in diamond abrasive, is stirred and ultrasonic disperse 15min, ultrasonic work(
Rate 800W, frequency 40KHz；Ethylene glycol and deionized water are added, is stirred and ultrasonic disperse (power, frequency are ibid) 25min；Most
Add the 1-METHYLPYRROLIDONE and 1-METHYLPYRROLIDONE of modified polyurea afterwards, stir and ultrasonic disperse (power, frequency are ibid)
20min, is produced.
Embodiment 5
The water diamond lapping liquid of abrasive material sustained suspension in the present embodiment, is made up of the component of following mass fraction：Gold
5 parts of hard rock abrasive material (granularity M40/60, purity 99.5%), (surface modifier, OP-4 is each with OP-10 for NPE
Take 1 part, analyze pure) 2 parts, 5 parts of the 1-METHYLPYRROLIDONE (suspending agent, purity 95%) of modified polyurea, 1-METHYLPYRROLIDONE
5 parts of (analysis is pure), 60 parts of polyethylene glycol (analysis is pure), 23 parts of deionized water (TDS values are less than 0.03mg/L).
The preparation method of the water diamond lapping liquid of abrasive material sustained suspension, comprises the following steps：It is accurate according to mass fraction
Each component really is taken, NPE is added in diamond abrasive, is stirred and ultrasonic disperse 15min, ultrasonic power
1200W, frequency 40KHz；Polyethylene glycol and deionized water are added, is stirred and ultrasonic disperse (power, frequency are ibid) 30min；
The 1-METHYLPYRROLIDONE and 1-METHYLPYRROLIDONE of modified polyurea are eventually adding, stirring simultaneously ultrasonic disperse, (power, frequency are same
On) 20min, produce.
Embodiment 6
The water diamond lapping liquid of abrasive material sustained suspension in the present embodiment, is made up of the component of following mass fraction：Gold
5 parts of hard rock abrasive material (granularity M50/70, purity 99.5%), dodecyl phenol polyethenoxy ether (surface modifier is analyzed pure) 2
Part, 5 parts of the 1-METHYLPYRROLIDONE (suspending agent, purity 95%) of modified polyurea, 5 parts of 1-METHYLPYRROLIDONE (analysis is pure) gathers
60 parts of ethylene glycol (analysis is pure), 23 parts of deionized water (TDS values are less than 0.03mg/L).
The preparation method of the water diamond lapping liquid of abrasive material sustained suspension, comprises the following steps：It is accurate according to mass fraction
Each component really is taken, dodecyl phenol polyethenoxy ether is added in diamond abrasive, is stirred and ultrasonic disperse 15min, ultrasonic work(
Rate 1500W, frequency 40KHz；Add polyethylene glycol and deionized water, stir and ultrasonic disperse (power, frequency are ibid)
30min；The 1-METHYLPYRROLIDONE and 1-METHYLPYRROLIDONE of modified polyurea are eventually adding, is stirred and ultrasonic disperse (power, frequency
Rate is ibid) 20min, produce.
Comparative example
Diamond grinding fluid, is made up of the component of following mass fraction：Diamond abrasive (granularity M0/0.5, purity
99.5%) 0.1 part, 0.01 part of OPEO (surface modifier, OP-7, OP-10 respectively take 0.005 part, analyze pure),
1 part of sodium carboxymethylcellulose (suspending agent is analyzed pure), 98.89 parts of water (TDS values are less than 0.03mg/L).
The preparation method of diamond grinding fluid, comprises the following steps：Accurately take each component according to mass fraction, by OP-7,
OP-10 is added in diamond abrasive, is stirred and ultrasonic disperse 10min, ultrasonic power 500W, frequency 40KHz；Water is added, is stirred
Mix and ultrasonic disperse (power, frequency are ibid) 20min；Be eventually adding sodium carboxymethylcellulose, stir and ultrasonic disperse (power,
Frequency is ibid) 15min, produce.
Test example
Diamond grinding fluid prepared by Example 1 and comparative example, above two is observed using natural sedimentation (standing)
The suspension of diamond abrasive in lapping liquid, result of the test see the table below 1 and Fig. 1, and (Fig. 1 is natural subsidence lapping liquid after 6 months
A represents the lapping liquid of the preparation of embodiment 1 in mode of appearance, figure, and B represents the lapping liquid of comparative example preparation).
The suspension of diamond abrasive in the lapping liquid of table 1
Claims (4)
1. a kind of water diamond lapping liquid of abrasive material sustained suspension, it is characterised in that：It is made up of the component of following mass fraction：
0.1 ~ 5 part of diamond abrasive, 0.01 ~ 2 part of APES, 1 ~ 5 part of the 1-METHYLPYRROLIDONE of modified polyurea, N- first
1 ~ 5 part of base pyrrolidones, 30 ~ 60 parts of organic solvent, 23 ~ 67.89 parts of water；
The APES is NPE, OPEO or dodecylphenol polyoxy second
Alkene ether；
The organic solvent is ethylene glycol or polyethylene glycol.
2. water diamond lapping liquid according to claim 1, it is characterised in that：The granularity of the diamond abrasive is
M0/0.25~M50/70。
3. the preparation method of water diamond lapping liquid as claimed in claim 1 or 2, it is characterised in that：Comprise the following steps：Press
Each component is accurately taken according to mass fraction, APES is added in diamond abrasive and mixed, organic solvent is added
Mixed with water, the 1-METHYLPYRROLIDONE and 1-METHYLPYRROLIDONE for being eventually adding modified polyurea are mixed, and are produced.
4. preparation method according to claim 3, it is characterised in that：The mode of the mixing is ultrasonic disperse, Huo Zhechao
Sound is scattered to be combined with stirring；The technological parameter of ultrasonic disperse is：500 ~ 1500W of power, frequency 40KHz, 10 ~ 30 points of time
Clock.
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Families Citing this family (10)
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| CN107553341A (en) * | 2016-06-30 | 2018-01-09 | 北京远东恒嘉新材料有限公司 | The Efficient utilization method of abrasive |
| CN106479371A (en) * | 2016-08-15 | 2017-03-08 | 惠州市米特仑科技有限公司 | A kind of high precision composite polishing liquid and preparation method thereof |
| CN110577824B (en) * | 2019-08-01 | 2022-02-15 | 安庆帝伯格茨活塞环有限公司 | Water-based grinding agent and preparation method thereof |
| CN110591565B (en) * | 2019-10-08 | 2021-03-30 | 河南联合精密材料股份有限公司 | Alumina polishing solution for sapphire polishing and preparation method thereof |
| CN113881346A (en) * | 2020-07-02 | 2022-01-04 | 苏州诺天美新材料技术有限公司 | Diamond grinding fluid and preparation process thereof |
| CN112029416B (en) * | 2020-09-02 | 2022-06-03 | 中科孚迪科技发展有限公司 | Grinding fluid for processing semiconductor wafer |
| CN111995983A (en) * | 2020-09-02 | 2020-11-27 | 中科孚迪科技发展有限公司 | Preparation method of grinding fluid for processing semiconductor wafer |
| CN112251146B (en) * | 2020-10-20 | 2021-08-24 | 德阳展源新材料科技有限公司 | Preparation method of diamond polishing solution |
| CN113913154A (en) * | 2021-04-27 | 2022-01-11 | 北京利研科技有限公司 | Efficient suspension auxiliary agent and preparation and application thereof |
| CN114686171A (en) * | 2022-05-19 | 2022-07-01 | 中国振华集团云科电子有限公司 | Suspensible diamond grinding fluid and preparation process thereof |
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| CN101186804A (en) * | 2007-11-21 | 2008-05-28 | 北京国瑞升科技有限公司 | Water diamond lapping liquid and its preparation method and use |
| CN101831243A (en) * | 2010-04-30 | 2010-09-15 | 中国计量学院 | High-precision non-water-based nano-diamond grinding fluid and preparation method and application thereof |
| US8968435B2 (en) * | 2012-03-30 | 2015-03-03 | Saint-Gobain Abrasives, Inc. | Abrasive products and methods for fine polishing of ophthalmic lenses |
| WO2014005104A1 (en) * | 2012-06-29 | 2014-01-03 | Saint-Gobain Abrasives, Inc. | High adhesion resin-mineral systems |
| CN103013345B (en) * | 2012-12-21 | 2015-02-18 | 清华大学 | Oily diamond grinding liquid and preparation method thereof |
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