CN105112133A - Photovoltaic solar silicon wafer cutting liquid - Google Patents
Photovoltaic solar silicon wafer cutting liquid Download PDFInfo
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- CN105112133A CN105112133A CN201510464207.9A CN201510464207A CN105112133A CN 105112133 A CN105112133 A CN 105112133A CN 201510464207 A CN201510464207 A CN 201510464207A CN 105112133 A CN105112133 A CN 105112133A
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- photovoltaic solar
- solar silicon
- silicon chip
- cutting fluid
- chip cutting
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Abstract
The invention discloses a photovoltaic solar silicon wafer cutting liquid which is composed of mineral oil, an anticorrosive agent and an alkane solvent. The anticorrosive agent comprises sulfate and magnesium and chlorine ions, the mineral oil accounts for 70-72% of the total weight of the photovoltaic solar silicon wafer cutting liquid, the anticorrosive agent accounts for 20-24% of the total weight of the photovoltaic solar silicon wafer cutting liquid, and the alkane solvent accounts for 5-7% of the total weight of the photovoltaic solar silicon wafer cutting liquid. The photovoltaic solar silicon wafer cutting liquid disclosed by the invention has the advantages of being excellent in suspending capacity, good dispersive capacity and remarkable lubricating property and cooling performance.
Description
Technical field
The present invention relates to a kind of photovoltaic solar silicon chip cutting fluid.
Background technology
At present, the silicon chip of photovoltaic industry extensive application is mainly through obtaining silicon ingot cutting.In crystal silicon cutting field, all big enterprises all apply multi-wire saw technology.Multi-wire saw is the Novel silicon slice cutting technique of development in recent years maturation, it drives abrasive to carry out attrition process and carry out cutting silicon wafer by wire, have that cutting efficiency is high, spillage of material is little, cost reduces, silicon chip surface quality is high, can cutting large size material, facilitate the features such as following process.Its mechanism is that machine guide wheel drives steel wire in running up, thus by steel wire, the mortar that cutting liquid and silicon carbide micro-powder mix is delivered to cutting area, with the process of the workpiece be pressed on gauze by the cutting that rubbed continuously in the running up of steel wire.
Use in the process of silicon carbide micro-powder as grinding medium cutting silicon wafer, silicon carbide micro-powder particle impacts continuously and healthily silicon material surface, this process can discharge a large amount of frictional heat, the collision simultaneously between silicon-carbide particle and silicon rod and friction and on the broken silicon-carbide particle, crystal silicon particle and the steel wire that produce scrap metal also will be mixed in cutting system.The impact raised by cutting system temperature in order to avoid the cut silicon chip opened and warpage occurs and its surface is affected its smooth finish by fine particle over-mastication, must manage to take cutting heat and crushed particles out of cutting system in time, therefore the Main Function of cutting liquid is the mobility making the mortar being mixed with silicon carbide keep good, uniform and stable dispersed carbon silicon carbide particle, in the high-speed motion of steel wire, uniform and stable acts on silicon material surface, take away heat and impurity particle in time simultaneously, ensure the quality of the silicon chip cut out.
Summary of the invention
The invention provides a kind of photovoltaic solar silicon chip cutting fluid with outstanding suspending power, good dispersive ability, outstanding lubricity and cooling performance advantage.
Technical scheme of the present invention is: a kind of photovoltaic solar silicon chip cutting fluid, described photovoltaic solar silicon chip cutting fluid passes through mineral oil, anticorrosive agent and alkane solvent combine, described anticorrosive agent comprises vitriol and magnesium, chlorion, described mineral oil accounts for the 70%-72% of the overall component of photovoltaic solar silicon chip cutting fluid, described anticorrosive agent accounts for the 20%-24% of the overall component of photovoltaic solar silicon chip cutting fluid, and described alkane solvent accounts for the 5%-7% of the overall component of photovoltaic solar silicon chip cutting fluid.
In a preferred embodiment of the present invention, described mineral oil comprises benzene, ether, chloroform, dithiocarbonic anhydride, hot ethanol.
In a preferred embodiment of the present invention, described mineral oil accounts for 71% of the overall component of photovoltaic solar silicon chip cutting fluid, described anticorrosive agent accounts for 23% of the overall component of photovoltaic solar silicon chip cutting fluid, and described alkane solvent accounts for 6% of the overall component of photovoltaic solar silicon chip cutting fluid.
A kind of photovoltaic solar silicon chip cutting fluid of the present invention, has the advantage of outstanding suspending power, good dispersive ability, outstanding lubricity and cooling performance.
Embodiment
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Wherein, described photovoltaic solar silicon chip cutting fluid passes through mineral oil, anticorrosive agent and alkane solvent combine, described anticorrosive agent comprises vitriol and magnesium, chlorion, described mineral oil accounts for the 70%-72% of the overall component of photovoltaic solar silicon chip cutting fluid, described anticorrosive agent accounts for the 20%-24% of the overall component of photovoltaic solar silicon chip cutting fluid, and described alkane solvent accounts for the 5%-7% of the overall component of photovoltaic solar silicon chip cutting fluid.
Further illustrate, described mineral oil comprises benzene, ether, chloroform, dithiocarbonic anhydride, hot ethanol, described mineral oil accounts for 71% of the overall component of photovoltaic solar silicon chip cutting fluid, described anticorrosive agent accounts for 23% of the overall component of photovoltaic solar silicon chip cutting fluid, and described alkane solvent accounts for 6% of the overall component of photovoltaic solar silicon chip cutting fluid.
Further illustrating, mineral oil gets the light lubricating oil fractions of in crude oil 250 ~ 400 DEG C, through acid-alkali refining, washing, drying, bleaching earth adsorption, adds the operations such as oxidation inhibitor and obtain.Also should dewax with during paraffinic crude.For reducing the zero pour of transformer oil, appropriate pour point depressant can be added.Get different fractions oil in crude oil, and the concentration of the refining middle sulfuric acid of control, consumption, action time and other relevant technologicals, the different transformer oil of purposes, electric condenser oil, cable oil, switch wet goods can be obtained.Also the refining or solvent treatment of useable solvents replaces acid-alkali refining in conjunction with hydrofining.Mineral oil should control suitable refining depth.Refining deficiency can not except the middle detrimental impurity that deoils; Overrefining, can too much except natural oxidation inhibitor contained in deoiling and aromatic contents, reduce its stability and inspiratory, this has impact especially on cable oil and electric condenser oil.For switch oil in order to improve its arc extinguishing ability, aromatic hydrocarbon content in oil should be reduced as far as possible.Some field of mineral oil is white mineral oil or white oil, and conventional has industrial grade white oil, cosmetics-stage white oil, medical grade white oil, food-level white oil etc.The white oil of different classifications is also different in purposes.Industrial grade white oil is the base oil produced by hydrocracking is raw material, obtains, can be used for chemistry, weaving, chemical fibre, petrochemical complex, electric power, agricultural etc., can be used for the productions such as PE, PS, PU after the art breading such as degree of depth dewaxing, chemical refining.Food-level white oil, is oil based on mineral oil, obtains after the art breading such as degree of depth chemical refining, edible ethanol extracting.Be applicable to the lubrication of the processing units of the foodstuffs industry such as grain and oil processing, the processing of fruit vegetables and fruits, milk-product processing, bread cutting and making machine, be applied to food glazing, antiseized, froth breaking, scrape, seal, the releasing agent of the food such as macaroni, bread, biscuit, chocolate can be made, wine, vinegar, fruit, vegetables, the storage of can, freshness date can be extended.Medical grade white oil, is applicable to pharmaceutical industry, can be used as the Oral preparation occurring to produce hypocatharsis and the defoamer producing penicillin.Cosmetic grade white oil adopts hydrogenating materials to obtain after deep refining.Be applicable to cosmetic industry, the base oil of the ointment such as hair-cream, hair oil, lipstick, face oil, skin care oil, sunblock lotion, baby oil, vanishing cream and tenderizer can be made.Cosmetic grade white oil can be used as static inhibitor, emollients, solvent, solvent, hydrocarbon polymer, can increase moist feeling, but directly cannot improve dry impaired skin.Opinions vary whether to injure skin for mineral oil, but what was certain was that, impure meeting causes allergy and causes acne, and be in injury or susceptibility skin quality person should avoid use.Due to its color and luster and characteristic, be usually used in white cream drug or skin care products.
Further illustrating, the performance characteristics 1 of anticorrosive agent, versatility are extremely strong, can simultaneously to ferrous metal, non-ferrous metal high anticorrosive; 2, antirust corrosion inhibition rate is high; Effectively can prevent the corrosion of various metals, xanthochromia, black change, ash become, white hair, loss of gloss, patina, variable color the generation of bad phenomenon; 3, the hazardous and noxious substances not containing industry forbiddings such as sexavalent chrome, trivalent chromium, Sodium Nitrite, phosphoric acid salt, the environment-friendly type aqueous antirust product of neutral range; 4, outstanding rust-proof effect, the sampling liquid of thousand points of concentration levels, just can easily by " antirust monolithic experiment " and the correlation detection test of national sector standard; 5, this agent has excellent inactivating performance concurrently, and belongs to environmental protection " without sub-sodium, no acidic passivation "; 6, this agent process rear surface is without floating ash, nodeless mesh thing, without obvious greasy feeling, belong to clean antirust product; 7, be watered use, form the rust protection liquid of stable transparent with water, workpiece can be with water to operate, easy to use; 8, according to the length needs of rust-proof life, different Dilution ratios can be selected; 9, through the workpiece of this agent process, metal true qualities can be kept, do not affect working accuracy; 10, soak at room temperature is constructed, easy to use.The invention provides a kind of photovoltaic solar silicon chip cutting fluid, there is the advantage of outstanding suspending power, good dispersive ability, outstanding lubricity and cooling performance.
The specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention, and the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (3)
1. a photovoltaic solar silicon chip cutting fluid, it is characterized in that: described photovoltaic solar silicon chip cutting fluid passes through mineral oil, anticorrosive agent and alkane solvent combine, described anticorrosive agent comprises vitriol and magnesium, chlorion, described mineral oil accounts for the 70%-72% of the overall component of photovoltaic solar silicon chip cutting fluid, described anticorrosive agent accounts for the 20%-24% of the overall component of photovoltaic solar silicon chip cutting fluid, and described alkane solvent accounts for the 5%-7% of the overall component of photovoltaic solar silicon chip cutting fluid.
2. photovoltaic solar silicon chip cutting fluid according to claim 1, is characterized in that: described mineral oil comprises benzene, ether, chloroform, dithiocarbonic anhydride, hot ethanol.
3. photovoltaic solar silicon chip cutting fluid according to claim 1, it is characterized in that: described mineral oil accounts for 71% of the overall component of photovoltaic solar silicon chip cutting fluid, described anticorrosive agent accounts for 23% of the overall component of photovoltaic solar silicon chip cutting fluid, and described alkane solvent accounts for 6% of the overall component of photovoltaic solar silicon chip cutting fluid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510464207.9A CN105112133A (en) | 2015-07-31 | 2015-07-31 | Photovoltaic solar silicon wafer cutting liquid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510464207.9A CN105112133A (en) | 2015-07-31 | 2015-07-31 | Photovoltaic solar silicon wafer cutting liquid |
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| CN105112133A true CN105112133A (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510464207.9A Pending CN105112133A (en) | 2015-07-31 | 2015-07-31 | Photovoltaic solar silicon wafer cutting liquid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116064189A (en) * | 2022-12-13 | 2023-05-05 | 河南联合精密材料股份有限公司 | Diamond cutting fluid for silicon carbide wafer and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985577A (en) * | 2010-11-01 | 2011-03-16 | 彭美东 | Linear cutting emulsified oil |
| CN102311859A (en) * | 2010-07-01 | 2012-01-11 | 达兴材料股份有限公司 | Water-soluble metalworking liquid with height cleaning |
| CN102352277A (en) * | 2011-09-13 | 2012-02-15 | 上海锦海特种润滑油厂 | Linear-cutting emulsified oil and preparation method thereof |
| CN104357181A (en) * | 2014-09-30 | 2015-02-18 | 宁波保润石化有限公司 | Special magnetic cutting oil and preparation method thereof |
-
2015
- 2015-07-31 CN CN201510464207.9A patent/CN105112133A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311859A (en) * | 2010-07-01 | 2012-01-11 | 达兴材料股份有限公司 | Water-soluble metalworking liquid with height cleaning |
| CN101985577A (en) * | 2010-11-01 | 2011-03-16 | 彭美东 | Linear cutting emulsified oil |
| CN102352277A (en) * | 2011-09-13 | 2012-02-15 | 上海锦海特种润滑油厂 | Linear-cutting emulsified oil and preparation method thereof |
| CN104357181A (en) * | 2014-09-30 | 2015-02-18 | 宁波保润石化有限公司 | Special magnetic cutting oil and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116064189A (en) * | 2022-12-13 | 2023-05-05 | 河南联合精密材料股份有限公司 | Diamond cutting fluid for silicon carbide wafer and preparation method thereof |
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Application publication date: 20151202 |
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