CN109762645A - A kind of high-lubricity polysilicon slice water base cutting liquid and preparation method thereof - Google Patents
A kind of high-lubricity polysilicon slice water base cutting liquid and preparation method thereof Download PDFInfo
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- CN109762645A CN109762645A CN201910054821.6A CN201910054821A CN109762645A CN 109762645 A CN109762645 A CN 109762645A CN 201910054821 A CN201910054821 A CN 201910054821A CN 109762645 A CN109762645 A CN 109762645A
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Abstract
The present invention provides a kind of high-lubricity polysilicon slice water base cutting liquid and preparation method thereof, is related to technical field of polysilicon production.The water base cutting liquid is made of raw material from the following weight: 6-10 parts of glycerin monostearate, 1-3 parts of polyvinyl butyral, 4-8 parts of vinyl bis-stearamides, 2-4 parts of fatty acid methyl ester, three 1-2 parts of (2- carboxyethyl) phosphines, 20-30 parts of polyvinyl alcohol, 0.3-0.5 parts of crosslinking agent, 0.4-0.6 parts of promotor, 2-4 parts of wetting agent, 1-3 parts of emulsifier, 1-2 parts of thickener, 1000-1400 parts of deionized water.The present invention overcomes the deficiencies in the prior art, the hydrophobic grouping modification of finish in water base cutting liquid can not only be become hydrophilic radical, improve the water solubility of finish in water base cutting liquid, the lubrication factor in finish can also effectively be inspired, to effectively improve the greasy property of cutting liquid, oil base and water one integrated mass, it is uniformly dispersed, superior performance is suitable for promoting.
Description
Technical field
The present invention relates to water base cutting liquid production technical fields, and in particular to a kind of high-lubricity polysilicon slice is with water base
Cutting liquid and preparation method thereof.
Background technique
With the reinforcement of people's environmental consciousness, solar energy has been widely used as green resource.Wherein polycrystalline silicon material
For the main material of photovoltaic, account for about 85% or more of world's photovoltaic cell.Polysilicon is produced as the front end of photovoltaic industry
Product are play an important role in entire industrial chain.Polysilicon processing at present is main by the way of multi-wire saw, i.e. thousands of gold
Steel wire and cutting liquid, which cooperate, realizes the slice of polysilicon.Cutting liquid is the important complementary mating material of polysilicon slice processing
Material, main function are to increase lubricity and cooling.Cutting liquid is divided into water-insoluble (oil base) liquid and water by oil product chemical composition
Dissolubility (water base) liquid two major classes.
At technology transfer initial stage, in order to improve the lubricant effect of cutting liquid, golden steel wire be protected to prevent it to be broken and extend it
Service life, the slice processing of polysilicon is mainly based on oil base cutting liquid.Though traditional oil base cutting liquid has splendid profit
Sliding effect, but in the slicing processes of polysilicon, due to golden steel wire speed quickly, maximum linear velocity can achieve 1200m/
Min in this way, then requiring cutting liquid in cutting process in addition to preferable lubricity, while should have better cooling
Energy.Water base cutting liquid is to compare finish with oil base cutting liquid with a large amount of water-reducible cutting liquid to show preferably
Cooling, but its oil-based water-soluble is poor, and its greasy property is poor, is unable to satisfy the demand of staff.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of high-lubricity polysilicon slice water base cutting liquid and its preparation
Method, the present invention overcomes the deficiencies in the prior art, can not only become the hydrophobic grouping modification of finish in water base cutting liquid
Hydrophilic radical improves the water solubility of finish in water base cutting liquid, moreover it is possible to the lubrication factor in finish is effectively inspired, thus effectively
The greasy property of cutting liquid, oil base and water one integrated mass are improved, is uniformly dispersed, superior performance is suitable for promoting.
In order to achieve the above object, technical solution of the present invention is achieved by the following technical programs:
A kind of high-lubricity polysilicon is sliced water base cutting liquid, the water base cutting liquid by following parts by weight raw material system
At: 6-10 parts of glycerin monostearate, 1-3 parts of polyvinyl butyral, 4-8 parts of vinyl bis-stearamides, fatty acid methyl ester
2-4 parts, three 1-2 parts of (2- carboxyethyl) phosphines, 20-30 parts of polyvinyl alcohol, 0.3-0.5 parts of crosslinking agent, 0.4-0.6 parts of promotor, profit
2-4 parts of humectant, 1-3 parts of emulsifier, 1-2 parts of thickener, 1000-1400 parts of deionized water.
Preferably, the water base cutting liquid is made of raw material from the following weight: 8 parts of glycerin monostearate, polyethylene
2 parts of butyral, 6 parts of vinyl bis-stearamides, 3 parts of fatty acid methyl ester, three 1.5 parts of (2- carboxyethyl) phosphines, polyvinyl alcohol 25
Part, 0.4 part of crosslinking agent, 0.5 part of promotor, 3 parts of wetting agent, 2 parts of emulsifier, 1.5 parts of thickener, 1200 parts of deionized water.
Preferably, the crosslinking agent is with mass ratio by N hydroxymethyl acrylamide and 1,4-butanediol diglycidyl ether
1:1。
Preferably, the promotor is by acetylacetone,2,4-pentanedione, N- cyclohexyl -2-[4-morpholinodithio sulfenamide and N, N- tetramethyl two
The double thiamides of sulphur are mixed with mass ratio for 7:4:3.
Preferably, the wetting agent is dodecyl sodium sulfate.
Preferably, the emulsifier is fatty alcohol polyoxyethylene ether.
Preferably, the thickener is by poly amic acid, ethoxyquin carbamate and carboxymethyl cellulose with mass ratio
It is mixed for 4:2:1.
The preparation method of the water base cutting liquid the following steps are included:
(1) water bath with thermostatic control is carried out under the conditions of 50-70 DEG C after mixing glycerin monostearate and polyvinyl butyral
Crosslinking agent is added after Heat preservation 20-30min in heating, then seals modified 30-50min must to be modified material A spare；
(2) high pressure is added after mixing vinyl bis-stearamides, fatty acid methyl ester, three (2- carboxyethyl) phosphines and promotor
In kettle, adjustment revolving speed stops stirring after stirring 30-40min to 60-80r/min, after vacuumize and be passed through argon gas, boost to 1-
2MPa, then it is warming up to 60-80 DEG C, restore after keeping the temperature modified 40-60min to normal pressure, it is spare to obtain modified material B；
(3) it will mix, add with modified material B in the autoclave in modified material A addition above-mentioned steps (2) obtained
Emulsifier and thickener, adjustment revolving speed to 100-120r/min, it is spare that heat preservation emulsification 1-2h obtains cutting liquid stoste；
(4) it is added in ultrasonic vibration instrument after mixing polyvinyl alcohol and wetting agent, is warming up to 40-60 DEG C, ultrasonic vibration 10-
It is spare that 20min obtains additive package；
(5) additive package obtained is added in the autoclave in above-mentioned steps (3), adds deionized water, kept the temperature
Cooled to room temperature obtains product after stirring 2-4h.
The present invention provides a kind of high-lubricity polysilicon slice water base cutting liquid and preparation method thereof, with prior art phase
It is than advantage:
(1) present invention is modified glycerin monostearate using polyvinyl butyral, can be sweet by monostearate
The hydrophobic grouping modification of grease becomes hydrophilic radical, to effectively improve the water solubility of oil base in water base cutting liquid, oil base and water
One integrated mass is uniformly dispersed, and effectively improves the greasy property of cutting liquid, makes each component heated equal by way of heating water bath
Even, modified effect is good, good water solubility；
(2) present invention is modified vinyl bis-stearamides and fatty acid methyl ester using three (2- carboxyethyl) phosphines, no
Only the modification of the hydrophobic grouping of vinyl bis-stearamides and fatty acid methyl ester can be become hydrophilic radical, improve water base cutting liquid
The water solubility of middle oil base, moreover it is possible to the lubrication factor in vinyl bis-stearamides and fatty acid methyl ester is effectively inspired, to have
Effect improves the greasy property of cutting liquid, is boosted by being passed through argon gas into autoclave, makes vinyl bis-stearamides, fat
Sour methyl esters, three (2- carboxyethyl) phosphines and promotor can be merged preferably, and modified effect is good, high lubricating effect；
(3) present invention passes through the mutual cooperation of emulsifier and thickener, and carries out emulsification thickening processing to modified material,
Keep the finish in cutting liquid obtained more thick, to effectively improve the lubricity of cutting liquid, cutting liquid superior performance is suitable for
It promotes.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to the embodiment of the present invention pair
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of high-lubricity polysilicon is sliced water base cutting liquid, the water base cutting liquid by following parts by weight raw material system
At: 6 parts of glycerin monostearate, 1 part of polyvinyl butyral, 4 parts of vinyl bis-stearamides, 2 parts of fatty acid methyl ester, three
1 part of (2- carboxyethyl) phosphine, 20 parts of polyvinyl alcohol, 0.3 part of crosslinking agent, 0.4 part of promotor, 2 parts of wetting agent, 1 part of emulsifier, thickening
1 part of agent, 1000 parts of deionized water.
Wherein, the crosslinking agent by N hydroxymethyl acrylamide and 1,4-butanediol diglycidyl ether with mass ratio be 1:
1；The promotor by the double thiamides of acetylacetone,2,4-pentanedione, N- cyclohexyl -2-[4-morpholinodithio sulfenamide and N, N- tetramethyl two sulphur with
Mass ratio mixes for 7:4:3；The wetting agent is dodecyl sodium sulfate；The emulsifier is aliphatic alcohol polyethenoxy
Ether；The thickener by poly amic acid, ethoxyquin carbamate and carboxymethyl cellulose with mass ratio be 4:2:1 mix and
At.
The preparation method of the water base cutting liquid the following steps are included:
(1) water bath with thermostatic control is carried out under the conditions of 50-70 DEG C after mixing glycerin monostearate and polyvinyl butyral
Crosslinking agent is added after Heat preservation 20-30min in heating, then seals modified 30-50min must to be modified material A spare；
(2) high pressure is added after mixing vinyl bis-stearamides, fatty acid methyl ester, three (2- carboxyethyl) phosphines and promotor
In kettle, adjustment revolving speed stops stirring after stirring 30-40min to 60-80r/min, after vacuumize and be passed through argon gas, boost to 1-
2MPa, then it is warming up to 60-80 DEG C, restore after keeping the temperature modified 40-60min to normal pressure, it is spare to obtain modified material B；
(3) it will mix, add with modified material B in the autoclave in modified material A addition above-mentioned steps (2) obtained
Emulsifier and thickener, adjustment revolving speed to 100-120r/min, it is spare that heat preservation emulsification 1-2h obtains cutting liquid stoste；
(4) it is added in ultrasonic vibration instrument after mixing polyvinyl alcohol and wetting agent, is warming up to 40-60 DEG C, ultrasonic vibration 10-
It is spare that 20min obtains additive package；
(5) additive package obtained is added in the autoclave in above-mentioned steps (3), adds deionized water, kept the temperature
Cooled to room temperature obtains product after stirring 2-4h.
Embodiment 2:
A kind of high-lubricity polysilicon is sliced water base cutting liquid, the water base cutting liquid by following parts by weight raw material system
At: 8 parts of glycerin monostearate, 2 parts of polyvinyl butyral, 6 parts of vinyl bis-stearamides, 3 parts of fatty acid methyl ester, three
1.5 parts of (2- carboxyethyl) phosphine, 0.4 part of crosslinking agent, 0.5 part of promotor, 3 parts of wetting agent, 2 parts of emulsifier, increases 25 parts of polyvinyl alcohol
Thick dose 1.5 parts, 1200 parts of deionized water.
Wherein, the crosslinking agent by N hydroxymethyl acrylamide and 1,4-butanediol diglycidyl ether with mass ratio be 1:
1；The promotor by the double thiamides of acetylacetone,2,4-pentanedione, N- cyclohexyl -2-[4-morpholinodithio sulfenamide and N, N- tetramethyl two sulphur with
Mass ratio mixes for 7:4:3；The wetting agent is dodecyl sodium sulfate；The emulsifier is aliphatic alcohol polyethenoxy
Ether；The thickener by poly amic acid, ethoxyquin carbamate and carboxymethyl cellulose with mass ratio be 4:2:1 mix and
At.
The preparation method of the water base cutting liquid the following steps are included:
(1) water bath with thermostatic control is carried out under the conditions of 50-70 DEG C after mixing glycerin monostearate and polyvinyl butyral
Crosslinking agent is added after Heat preservation 20-30min in heating, then seals modified 30-50min must to be modified material A spare；
(2) high pressure is added after mixing vinyl bis-stearamides, fatty acid methyl ester, three (2- carboxyethyl) phosphines and promotor
In kettle, adjustment revolving speed stops stirring after stirring 30-40min to 60-80r/min, after vacuumize and be passed through argon gas, boost to 1-
2MPa, then it is warming up to 60-80 DEG C, restore after keeping the temperature modified 40-60min to normal pressure, it is spare to obtain modified material B；
(3) it will mix, add with modified material B in the autoclave in modified material A addition above-mentioned steps (2) obtained
Emulsifier and thickener, adjustment revolving speed to 100-120r/min, it is spare that heat preservation emulsification 1-2h obtains cutting liquid stoste；
(4) it is added in ultrasonic vibration instrument after mixing polyvinyl alcohol and wetting agent, is warming up to 40-60 DEG C, ultrasonic vibration 10-
It is spare that 20min obtains additive package；
(5) additive package obtained is added in the autoclave in above-mentioned steps (3), adds deionized water, kept the temperature
Cooled to room temperature obtains product after stirring 2-4h.
Embodiment 3:
A kind of high-lubricity polysilicon is sliced water base cutting liquid, the water base cutting liquid by following parts by weight raw material system
At: 10 parts of glycerin monostearate, 3 parts of polyvinyl butyral, 8 parts of vinyl bis-stearamides, 4 parts of fatty acid methyl ester, three
2 parts of (2- carboxyethyl) phosphine, 30 parts of polyvinyl alcohol, 0.5 part of crosslinking agent, 0.6 part of promotor, 4 parts of wetting agent, 3 parts of emulsifier, thickening
2 parts of agent, 1400 parts of deionized water.
Wherein, the crosslinking agent by N hydroxymethyl acrylamide and 1,4-butanediol diglycidyl ether with mass ratio be 1:
1；The promotor by the double thiamides of acetylacetone,2,4-pentanedione, N- cyclohexyl -2-[4-morpholinodithio sulfenamide and N, N- tetramethyl two sulphur with
Mass ratio mixes for 7:4:3；The wetting agent is dodecyl sodium sulfate；The emulsifier is aliphatic alcohol polyethenoxy
Ether；The thickener by poly amic acid, ethoxyquin carbamate and carboxymethyl cellulose with mass ratio be 4:2:1 mix and
At.
The preparation method of the water base cutting liquid the following steps are included:
(1) water bath with thermostatic control is carried out under the conditions of 50-70 DEG C after mixing glycerin monostearate and polyvinyl butyral
Crosslinking agent is added after Heat preservation 20-30min in heating, then seals modified 30-50min must to be modified material A spare；
(2) high pressure is added after mixing vinyl bis-stearamides, fatty acid methyl ester, three (2- carboxyethyl) phosphines and promotor
In kettle, adjustment revolving speed stops stirring after stirring 30-40min to 60-80r/min, after vacuumize and be passed through argon gas, boost to 1-
2MPa, then it is warming up to 60-80 DEG C, restore after keeping the temperature modified 40-60min to normal pressure, it is spare to obtain modified material B；
(3) it will mix, add with modified material B in the autoclave in modified material A addition above-mentioned steps (2) obtained
Emulsifier and thickener, adjustment revolving speed to 100-120r/min, it is spare that heat preservation emulsification 1-2h obtains cutting liquid stoste；
(4) it is added in ultrasonic vibration instrument after mixing polyvinyl alcohol and wetting agent, is warming up to 40-60 DEG C, ultrasonic vibration 10-
It is spare that 20min obtains additive package；
(5) additive package obtained is added in the autoclave in above-mentioned steps (3), adds deionized water, kept the temperature
Cooled to room temperature obtains product after stirring 2-4h.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of high-lubricity polysilicon is sliced water base cutting liquid, which is characterized in that the water base cutting liquid is by following weight
Part raw material be made: 6-10 parts of glycerin monostearate, 1-3 parts of polyvinyl butyral, 4-8 parts of vinyl bis-stearamides,
2-4 parts of fatty acid methyl ester, three 1-2 parts of (2- carboxyethyl) phosphines, 20-30 parts of polyvinyl alcohol, 0.3-0.5 parts of crosslinking agent, promotor
0.4-0.6 parts, 2-4 parts of wetting agent, 1-3 parts of emulsifier, 1-2 parts of thickener, 1000-1400 parts of deionized water.
2. a kind of high-lubricity polysilicon according to claim 1 is sliced water base cutting liquid, which is characterized in that the water
Base cutting liquid is made of raw material from the following weight: 8 parts of glycerin monostearate, 2 parts of polyvinyl butyral, vinyl are double hard
6 parts of acyl amine, 3 parts of fatty acid methyl ester, three 1.5 parts of (2- carboxyethyl) phosphines, 25 parts of polyvinyl alcohol, 0.4 part of crosslinking agent, promotor
0.5 part, 3 parts of wetting agent, 2 parts of emulsifier, 1.5 parts of thickener, 1200 parts of deionized water.
3. a kind of high-lubricity polysilicon according to claim 1 is sliced water base cutting liquid, which is characterized in that the friendship
Joining agent by N hydroxymethyl acrylamide and 1,4-butanediol diglycidyl ether is 1:1 with mass ratio.
4. a kind of high-lubricity polysilicon according to claim 1 is sliced water base cutting liquid, which is characterized in that the rush
It is with mass ratio by acetylacetone,2,4-pentanedione, N- cyclohexyl -2-[4-morpholinodithio sulfenamide and the double thiamides of two sulphur of N, N- tetramethyl into agent
7:4:3 is mixed.
5. a kind of high-lubricity polysilicon according to claim 1 is sliced water base cutting liquid, which is characterized in that the profit
Humectant is dodecyl sodium sulfate.
6. a kind of high-lubricity polysilicon according to claim 1 is sliced water base cutting liquid, which is characterized in that the cream
Agent is fatty alcohol polyoxyethylene ether.
7. a kind of high-lubricity polysilicon according to claim 1 is sliced water base cutting liquid, which is characterized in that the increasing
Thick dose is mixed by poly amic acid, ethoxyquin carbamate and carboxymethyl cellulose with mass ratio for 4:2:1.
8. the preparation method that a kind of high-lubricity polysilicon is sliced water base cutting liquid, which is characterized in that the water base cutting liquid
Preparation method the following steps are included:
(1) water bath with thermostatic control heating is carried out under the conditions of 50-70 DEG C after mixing glycerin monostearate and polyvinyl butyral,
Crosslinking agent is added after Heat preservation 20-30min, then seals modified 30-50min must to be modified material A spare；
(2) autoclave is added after mixing vinyl bis-stearamides, fatty acid methyl ester, three (2- carboxyethyl) phosphines and promotor
In, adjustment revolving speed stops stirring after stirring 30-40min to 60-80r/min, after vacuumize and be passed through argon gas, boost to 1-
2MPa, then it is warming up to 60-80 DEG C, restore after keeping the temperature modified 40-60min to normal pressure, it is spare to obtain modified material B；
(3) it will be mixed in the autoclave in modified material A addition above-mentioned steps (2) obtained with modified material B, add emulsification
Agent and thickener, adjustment revolving speed to 100-120r/min, it is spare that heat preservation emulsification 1-2h obtains cutting liquid stoste；
(4) it is added in ultrasonic vibration instrument after mixing polyvinyl alcohol and wetting agent, is warming up to 40-60 DEG C, ultrasonic vibration 10-
It is spare that 20min obtains additive package；
(5) additive package obtained is added in the autoclave in above-mentioned steps (3), adds deionized water, insulated and stirred
Cooled to room temperature obtains product after 2-4h.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115820320A (en) * | 2022-11-17 | 2023-03-21 | 滁州默尔新材料科技有限公司 | Anti-crack protective liquid for cutting optical lens and preparation method thereof |
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| CN103184094A (en) * | 2011-12-29 | 2013-07-03 | 辽宁奥克化学股份有限公司 | Cooling liquid for diamond wire cutting technology |
| CN103525532A (en) * | 2013-10-18 | 2014-01-22 | 山东昊达化学有限公司 | Emery line cutting liquid and preparation method thereof |
| CN104395448A (en) * | 2012-06-29 | 2015-03-04 | 出光兴产株式会社 | Aqueous processing fluid |
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| CN1266090A (en) * | 1999-03-09 | 2000-09-13 | 广东工业大学 | Cooling lubrication fluid for cutting stone and making method thereof |
| JP2004315762A (en) * | 2003-04-21 | 2004-11-11 | Chiyoda Chemical Kk | Water dispersion type metal working agent composition and method for producing the same |
| CN103184094A (en) * | 2011-12-29 | 2013-07-03 | 辽宁奥克化学股份有限公司 | Cooling liquid for diamond wire cutting technology |
| CN104395448A (en) * | 2012-06-29 | 2015-03-04 | 出光兴产株式会社 | Aqueous processing fluid |
| CN103525532A (en) * | 2013-10-18 | 2014-01-22 | 山东昊达化学有限公司 | Emery line cutting liquid and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115820320A (en) * | 2022-11-17 | 2023-03-21 | 滁州默尔新材料科技有限公司 | Anti-crack protective liquid for cutting optical lens and preparation method thereof |
| CN115820320B (en) * | 2022-11-17 | 2023-12-22 | 滁州默尔新材料科技有限公司 | Anti-cracking protective liquid for optical lens cutting and preparation method thereof |
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Application publication date: 20190517 |