CN1069694C - Aqueous cleaning agent composite - Google Patents
Aqueous cleaning agent composite Download PDFInfo
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- CN1069694C CN1069694C CN98110031A CN98110031A CN1069694C CN 1069694 C CN1069694 C CN 1069694C CN 98110031 A CN98110031 A CN 98110031A CN 98110031 A CN98110031 A CN 98110031A CN 1069694 C CN1069694 C CN 1069694C
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- cleansing composition
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Abstract
The present invention relates to a cleaning method for semiconductors or metal and liquid crystal, particularly to a cleaning agent for electronic industry, which is composed of 5 to 10% of fatty alcohol polyethenoxy ether sodium sulfate, 10 to 20% of nonyl hydroxybenzene polyethenoxy ether, 10 to 15% of coconut oil acyl diethanolamine or alkyl alcohol amide phosphate, 1 to 10% of ethylene glycol alkyl ether, 5 to 10% of linear chain or branched chain lower fatty alcohol, 0.1 to 0.2% of complexing agents, 1 to 4% of polyether and overmeasure deionized water. The cleaning agent of the present invention can replace the freon cleaning agent, has no toxicity and corrosiveness, does not pollute the environment, does not destroy the ozonosphere at high altitudes, does not cause the greenhouse effect, and can reduce the cleaning cost.
Description
The present invention relates to the cleansing composition and the purging method of semi-conductor or metal, liquid crystal cleaning usefulness, be specifically related to the used in electronic industry aqueous cleaning agent.
Hard disc of computer parts such as hard disk drive suspension mechanism and disk drive element HGA, matrix all is stainless material, in the course of processing, various impurity can be stain in its surface, and the liquid dirt is arranged, as the lubricating oil that uses in the processing; The solid dirt is also arranged,, in transmission course, also can stain finger mark simultaneously as dust, abrasive material, metal oxide and carbon deposit etc.These dirts generally all are to be adsorbed on the metallic surface by electrostatic attraction and Van der Waals force.For the liquid dirt, generally be on the metallic surface, to adhere to into the thin even or uneven oil lamella of one deck, and the solid dirt, typically refer to the very little discrete particles of three-dimensional space, they are rare on more uniform and bigger region surface in the adhesion of metallic surface, and often only contact and adhere to the surface on some less points.Because dirt difference, its scavenging mechanism are also different, generally are that the solid dirt is removed than liquid dirt difficulty.
Fluorine Lyons (being CFC) is the fluorochlorohydrocarbon kind solvent, because it is good that it has chemical stability, toxicity is little, do not burn, and surface tension is less, does not damage to be cleaned material and can to keep many advantageous characteristic such as strong perviousness, rapid-drying properties, is widely used as the refrigeration agent of air-cooling system, refrigerator etc. so far, the propellant of atomizer, the clean-out system of the whipping agent of lagging materials such as urethane foam and film, audiotape, electrical equipment, electronic component, precision optical machinery etc.But the ozonosphere in these material havoc earth high-altitudes, the harm humans ecotope, so fluorine Lyons 11, fluorine Lyons 12, fluorine Lyons 113, fluorine Lyons 114, fluorine Lyons 115 and the mixture that contains them all are the materials of time limit production in the world and use.In recent years, also developed some short-term surrogates, as Hydrochlorofluorocarbons (HCFC), perfluoroparaffin (PFC) and other halogenated solvents etc.HCFC is that the part halogen atom in fluorine Lyons is replaced by hydrogen atom, makes the ozone-depleting of CFC value (ODP value) reduction of diving, but it still can damage the ozone layer, and also will be eliminated to the year two thousand twenty, is no more than the year two thousand forty the latest.Some organic solvent also can be used as the surrogate of CFC, but cleaning performance is good not as the CFC cleaning performance, and flash-point is low, inflammable, explosive, and some is also toxic simultaneously, and operating environment is had relatively high expectations.Therefore people's expectation develop can substitute CFC high performance non-halogen be clean-out system, but do not have such clean-out system openly to report up to now as yet with excellent cleaning performance.
The objective of the invention is to overcome the shortcoming of prior art, a kind of nontoxic non-corrosiveness is provided, the cleaning hard disc of computer parts of readily biodegradable or the aqueous cleaning agent composite of liquid crystal.
Cleansing composition of the present invention basic composition is:
Weight percentages (%)
A. polyoxyethylenated alcohol sodium sulfate 5-10
B. polyoxyethylene nonylphenol ether 10-20
C. coconut oleoyl diethanolamine or 10-15
The alkylol amide phosphoric acid ester
D. ethylene glycol alkyl oxide 1-10
E. straight or branched alkyl alcohol 5-10
F. contain nitronic acid or hydroxycarboxylic acid complexing agent 0.1-0.2
G. polyethers GP 1-4
H. deionized water surplus
The complexing agent F that the present invention uses is organic chelate and agent, as ethylenediamine tetraacetic acid (EDTA) (EDTA) and sodium salt, Trisodium Citrate etc.
Described ethylene glycol alkyl oxide D can be an alkyl oxide, also can be dialkyl ether, can be ethyl, propyl group or butyl ether.
Straight or branched alkyl alcohol E of the present invention is side chain or straight chain low-grade alkane alcohol, as the mixing of ethanol, propyl alcohol, Virahol, butanols or its arbitrary proportion.
Described polyethers GP is a colourless transparent liquid, and molecular-weight average is 1000-2000.
The anti-soil dirt that 0.5-1.5% also can be arranged in the above-mentioned cleansing composition is deposition agent I again, and as Xylo-Mucine (CMC), polyvinyl alcohol or polyvinylpyrrolidone (PVP), the dirt under preventing to come off is again attached on the surface that cleans up.
In all raw materials, polyoxyethylenated alcohol sodium sulfate and polyoxyethylene nonylphenol ether are colourless to light yellow transparent liquid, coconut oleoyl diethanolamine or alkylol amide phosphoric acid ester are the reddish-brown transparent liquid, these tensio-active agents are water-soluble fully, do not fire, not quick-fried, readily biodegradable is the main component of clean-out system.The complexing agent that the present invention uses is organic chelate and agent, as ethylenediamine tetraacetic acid (EDTA) (EDTA) and sodium salt thereof, Trisodium Citrate, is white particle or Powdered, except can chelating Ca
2+, Mg
2+Outward, can also chelating Fe
3+, Cu
2+Etc. many other metal ions, thereby prevent the consumption of tensio-active agent, also overcome the overfertilization phenomenon of using the deterioration water quality that the phosphoric acid salt inorganic assistant agent causes simultaneously, environment is not produced pollution.Described ethylene glycol alkyl oxide can be an alkyl oxide, also can be dialkyl ether, can be ethyl, propyl group or butyl ether, is colourless transparent liquid, and dirts such as mineral oil, grease are had stronger dissolving power.Alkyl alcohol is generally side chain or straight chain low-grade alkane alcohol, as ethanol, propyl alcohol, Virahol, butanols etc., is colourless transparent liquid, can dissolve dirt, also can regulate the viscosity of clean-out system.Described polyethers GP is a colourless transparent liquid, molecular-weight average is 1000-2000, the froth breaking effect is arranged, too many as foam in the clean-out system, often bring difficulty to rinsing, waste time and energy and waste a large amount of water, therefore adding some nonionogenic tensides such as polyethers has the effect of the foamy of inhibition, makes that being cleaned parts is easy to flushing.
With above-mentioned raw materials heating for dissolving under 40-60 ℃ of temperature, add above-mentioned each component one by one, make its whole dissolvings, can obtain the light yellow liquid of homogeneous transparent, can be mixed with arbitrary proportion with water, and nontoxic, non-corrosiveness, free from environmental pollution, its key technical indexes is:
Outward appearance and yellow homogeneous transparent liquid of light color
PH value 9.5-11.5 (25 ℃)
Viscosity 10-50 centipoise (25 ℃)
Proportion 1.02-1.05
Surface-active substance content is greater than 30%
-10～+ 50 ℃ of stability are stable
Harmful metal ion content is less than 1ppm
The cleansing composition of preparation can substitute CFC be a clean-out system according to the present invention, and following advantage is arranged:
1, to be cleaned the substance dissolves of removing good to various, and clean range is wide;
2, safe owing to be aqua, do not fire not quick-fried, euosmia invariably;
3, use and can directly discharge, easy to use;
4, not phosphorous and halogen is free from environmental pollution, does not destroy the high-altitude ozonosphere;
5, because usage ratio is less, therefore can reduce cost;
6, cleaning performance reaches the CFC cleaning performance, and has no adverse effect to being cleaned thing.
When being applied to clean the hard disc of computer parts surface, can remove pollutents such as its lip-deep grease, dust, carbon deposit, when omitting liquid crystal outside when being applied to clean packaged liquid crystal display, can easier clean up, effect is suitable when cleaning with CFC-113.
When cleaning the hard disc of computer parts with this cleansing composition, said composition and the deionized water of available 5-10% are mixed with scavenging solution, soak or ultrasonic cleaning in the time of 40-60 ℃, rinse well with deionized water then to get final product.
The invention will be further described below in conjunction with embodiment.
100 kilograms of embodiment 1. clean-out systems
Weight percentages (%)
A. polyoxyethylenated alcohol sodium sulfate AES is 6 kilogram 6
(produce in Xi'an, light yellow transparent liquid)
B. polyoxyethylene nonylphenol ether TX-10 is 12 kilogram 12
(synthetic chemistry factory in Beijing produces, colourless transparent liquid)
C. coconut oleoyl diethanolamine is 6,501 15 kilogram 15
(synthetic chemistry factory in Beijing produces, the reddish-brown transparent liquid)
D. ethylene glycol monobutyl ether (analytical pure) is 2 kilogram 2
E. Virahol (analytical pure) is 5 kilogram 5
F. ethylenediamine tetraacetic acid (EDTA) (analytical pure) is 0.15 kilogram 0.15
G. polyethers GP (molecular weight 1400) is 2 kilogram 2
H. deionized water is 57.35 kilogram 57.35
I. Xylo-Mucine (CMC) is 0.5 kilogram 0.5
Above-mentioned clean-out system outward appearance is light yellow homogeneous transparent liquid, and proportion is 1.03, and viscosity is 27 centipoises, and pH value is that 10.46. cleans with Ultrasonic Cleaners, effectively pollutents such as the lip-deep grease of removing component, dust, carbon deposit.
Embodiment 2. is as described in the embodiment 1, and different is that component C is an alkylol amide phosphoric acid ester 6503, and component E is 95% ethanol, and I is a polyvinyl alcohol.
Embodiment 3. is as described in the embodiment 1, and different is that component F is a Trisodium Citrate, and component D is a glycol ethyl ether, and I is polyvinylpyrrolidone (PVP).
When using cleansing composition of the present invention to clean computer hard disc driver suspension mechanism parts,
Cleaning performance is compared with the CFC clean-out system, and the result is as follows:
Clean-out system cleans number of packages and cleans preceding workpiece surface situation cleaning back workpiece surface situation qualification rate
Embodiment 1 280 has 11 adularescent spots 96.1% of a large amount of grit greasy dirts
CFC113 163 has 9 of a large amount of grit greasy dirts that yellow spotting 94.5% is arranged
100 kilograms of embodiment 4. clean-out systems
Weight percentages (%)
A. polyoxyethylenated alcohol sodium sulfate AES is 5 kilogram 5
(produce in Xi'an, light yellow transparent liquid)
B. polyoxyethylene nonylphenol ether TX-10 is 15 kilogram 15
(synthetic chemistry factory in Beijing produces, colourless transparent liquid)
C. the alkylol amide phosphoric acid ester is 6,503 15 kilogram 15
(is produced from detergent factory, Beijing, the reddish-brown transparent liquid)
D. ethylene glycol monobutyl ether (analytical pure) is 1.5 kilogram 1.5
E.95% ethanol (analytical pure) is 5 kilogram 5
F. ethylenediamine tetraacetic acid (EDTA) (analytical pure) is 0.2 kilogram 0.2
G. polyethers GP (molecular weight 1400) is 1.5 kilogram 1.5
H. deionized water is 55.8 kilogram 55.8
I. polyvinylpyrrolidone (PVP) is 1 kilogram 1
Above-mentioned raw materials is dissolved at 50-70 ℃ of temperature range internal heating, stir,, also obtain yellow homogeneous transparent liquid through static froth breaking, precipitating extraction, press filtration, sterilization, concentrated.
Embodiment 5. is as described in the embodiment 4, and different is that component E is a propyl carbinol.
Embodiment 6. is as described in the embodiment 4, and different is that component F is EDTA2Na, and component E is Virahol and the 95% ethanol mixture with arbitrary proportion.
When using cleansing composition of the present invention to clean disk drive element HGA, cleaning performance compared with the prior art, the result is as follows:
The clean-out system cleaning temperature (℃) scavenging period (S) cleaning rate (%)
CFC-113 45-50 285 85
Embodiment 4 40-45 285 85
More than be good with embodiment 1 and embodiment 4.
Claims (6)
1, a kind of aqueous cleaning agent composite is characterized in that, basic composition is:
Weight percentages (%)
A. polyoxyethylenated alcohol sodium sulfate 5-10
B. polyoxyethylene nonylphenol ether 10-20
C. coconut oleoyl diethanolamine or 10-15
The alkylol amide phosphoric acid ester
D. ethylene glycol alkyl oxide 1-10
E. straight or branched lower alkyl alcohol 5-10
F. contain nitronic acid or hydroxycarboxylic acid complexing agent 0.1-0.2
G. polyethers GP, molecular-weight average is 1000-2000 1-4
H. deionized water surplus.
2, cleansing composition as claimed in claim 1 is characterized in that, described complexing agent is selected from ethylenediamine tetraacetic acid (EDTA) (EDTA) and sodium salt thereof, Trisodium Citrate.
3, cleansing composition as claimed in claim 1 is characterized in that, described ethylene glycol alkyl oxide D can be an alkyl oxide, also can be dialkyl ether, can be ethyl, propyl group or butyl ether.
4, cleansing composition as claimed in claim 1 is characterized in that, described straight or branched lower alkyl alcohol is selected from ethanol, propyl alcohol, Virahol, butanols.
5, cleansing composition as claimed in claim 1 is characterized in that, the anti-soil dirt that 0.5-1.5% also can be arranged in the described cleansing composition is deposition agent I again, is selected from Xylo-Mucine (CMC), polyvinyl alcohol or polyvinylpyrrolidone (PVP).
6, a kind of method of cleaning pollutents such as grease on the hard disc of computer parts surface, dust, carbon deposit comprises and uses the described cleansing composition of claim 1, cleans with Ultrasonic Cleaners, uses deionized water rinsing then, and hot blast or vacuum-drying get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98110031A CN1069694C (en) | 1998-01-20 | 1998-01-20 | Aqueous cleaning agent composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98110031A CN1069694C (en) | 1998-01-20 | 1998-01-20 | Aqueous cleaning agent composite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1188795A CN1188795A (en) | 1998-07-29 |
| CN1069694C true CN1069694C (en) | 2001-08-15 |
Family
ID=5220124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98110031A Expired - Fee Related CN1069694C (en) | 1998-01-20 | 1998-01-20 | Aqueous cleaning agent composite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1069694C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503804B (en) * | 2008-12-15 | 2010-12-08 | 中国石油化工股份有限公司 | Cleaning liquid composition and use thereof |
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| CN1080757C (en) * | 1999-05-31 | 2002-03-13 | 江苏同大气雾剂股份有限公司 | Detergent for mobile telephone |
| CN100543122C (en) * | 2002-04-18 | 2009-09-23 | 狮王株式会社 | Aqueous liquid cleaner compositions for LCD panels |
| CN100351361C (en) * | 2004-06-23 | 2007-11-28 | 比亚迪股份有限公司 | Water-based liquid-crystal cleaning agent |
| CN100350030C (en) * | 2005-09-15 | 2007-11-21 | 山东大学 | Semi-water base detergent specially for liquid crystal and its prepn process |
| CN1995305B (en) * | 2005-12-26 | 2010-06-23 | 比亚迪股份有限公司 | Water-soluble liquid crystal cleaning agent composition and its preparing method |
| CN101434890B (en) * | 2007-11-16 | 2011-03-02 | 比亚迪股份有限公司 | Water-soluble washing agent composition |
| CN101463295B (en) * | 2008-11-28 | 2011-08-17 | 江苏海迅实业集团股份有限公司 | Cleaning agent for semiconductor industry |
| CN101985583B (en) * | 2010-11-29 | 2013-01-23 | 陕西永泰生物工程有限责任公司 | Oil fume detergent composition and preparation method thereof |
| CN102363739A (en) * | 2010-12-14 | 2012-02-29 | 深圳车仆汽车用品发展有限公司 | Carbon deposit scavenging agent for combustion chamber and spark plug, and preparation method of the same |
| CN103525577A (en) * | 2013-10-30 | 2014-01-22 | 合肥市华美光电科技有限公司 | Antirust antibacterial circuit board cleaning agent and preparation method thereof |
| CN104212658B (en) * | 2014-09-03 | 2018-01-23 | 盐城交大能源有限公司 | A kind of electrified cleaning agent of electric equipment and preparation method thereof |
| CN104293504A (en) * | 2014-09-24 | 2015-01-21 | 中国海洋石油总公司 | Descaling cleaning agent for poly-containing dirt on polymer flooding produced liquid treatment equipment |
| CN104774697A (en) * | 2015-04-28 | 2015-07-15 | 苏州永创达电子有限公司 | Liquid crystal cleaning agent |
| CN104804881A (en) * | 2015-05-20 | 2015-07-29 | 龚灿锋 | Cleaning liquid for display screen of computer |
| CN105002005A (en) * | 2015-06-29 | 2015-10-28 | 广东月福汽车用品有限公司 | Ultrasonic automobile carbon removal cleaning agent and preparation method thereof |
| CN106148978B (en) * | 2016-07-03 | 2018-06-12 | 广州恒荣电子科技有限公司 | A kind of preparation method of the aqueous metal cleaning agent of biomass |
| CN106701343B (en) * | 2016-12-08 | 2019-08-09 | 深圳市合明科技有限公司 | Neutral aqueous cleaning agent and preparation method thereof and semiconductor packages cleaning method |
| CN106967520A (en) * | 2017-02-24 | 2017-07-21 | 玉林博飞商贸有限公司 | A kind of glass for vehicle window cleaning agent and preparation method thereof |
| CN109576067A (en) * | 2018-12-14 | 2019-04-05 | 北京金冠恒科技发展有限公司 | A kind of high-efficiency heavy oil dirt cleaning agent and preparation method thereof and heavy oil dirt cleaning method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111675A (en) * | 1994-03-23 | 1995-11-15 | 安卫公司 | Concentrated all-purpose light duty liquid cleaning composition and method of use |
| CN1114350A (en) * | 1994-06-29 | 1996-01-03 | 首钢总公司 | General-purpose hard surface detergent |
-
1998
- 1998-01-20 CN CN98110031A patent/CN1069694C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1111675A (en) * | 1994-03-23 | 1995-11-15 | 安卫公司 | Concentrated all-purpose light duty liquid cleaning composition and method of use |
| CN1114350A (en) * | 1994-06-29 | 1996-01-03 | 首钢总公司 | General-purpose hard surface detergent |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503804B (en) * | 2008-12-15 | 2010-12-08 | 中国石油化工股份有限公司 | Cleaning liquid composition and use thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1188795A (en) | 1998-07-29 |
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