CN102482626A - Aqueous detergent composition - Google Patents

Aqueous detergent composition Download PDF

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Publication number
CN102482626A
CN102482626A CN2010800286757A CN201080028675A CN102482626A CN 102482626 A CN102482626 A CN 102482626A CN 2010800286757 A CN2010800286757 A CN 2010800286757A CN 201080028675 A CN201080028675 A CN 201080028675A CN 102482626 A CN102482626 A CN 102482626A
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phosphoric acid
weight
liquid mixture
detergent liquid
ether
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CN102482626B (en
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尹嚆重
金圣植
房淳洪
金炳默
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Dongwoo Fine Chem Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22Organic compounds
    • C11D7/26Organic compounds containing oxygen
    • C11D7/261Alcohols; Phenols
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0008Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22Organic compounds
    • C11D7/26Organic compounds containing oxygen
    • C11D7/263Ethers
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22Organic compounds
    • C11D7/36Organic compounds containing phosphorus
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/50Solvents
    • C11D7/5004Organic solvents
    • C11D7/5022Organic solvents containing oxygen
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Emergency Medicine (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Detergent Compositions (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)

Abstract

An aqueous detergent composition is provided to ensure excellent cleaning effect to contaminant existing on an alignment layer substrate due to excellent moisture penetration effect. An aqueous detergent composition does not contain an alkali compound and contains C1-C5 lower alcohol, a water soluble glycol ether compound, organophosphate and water. Based on the total weight of the composition, 0.1 weight% -15 weight% of C1-C5 lower alcohol, 0.1 weight% -15 weight% of water soluble glycol ether compound, 0.01 weight% -10 weight% of organophosphate, and the balance of water.

Description

Water system detergent liquid mixture
Technical field
The present invention relates to a kind of water system detergent liquid mixture that is used in semi-conductor, display unit etc.More specifically explanation is in the middle of liquid crystal born of the same parents (cell) processing procedure of liquid crystal indicator, is used in the substrate water system detergent liquid mixture of friction (rubbing) the operation front and back of liquid crystal orienting film.
Background technology
In general; In the middle of liquid crystal born of the same parents processing procedure,, be coated with polyimide (polyimide) earlier in order to let two pattern (pattern) substrates that formed electrode pattern (pattern) have alignment film and insulating film function; Afterwards, carry out friction process and form alignment film toward certain orientation.Afterwards,, be positioned between the two substrates, two substrates is bonded with each other and will dispose pad (spacer) and seal (seal) sticking agent for container that forms the liquid crystal born of the same parents and the thickness of controlling the liquid crystal born of the same parents.At this moment, inject on the alignment film substrate of liquid crystal,, not only can't demonstrate clearly picture, and in encapsulation process, usually can cause bad situation, therefore don't fail to remove the pollution substance that remains on the substrate with the mode of washing if the residual contamination material is arranged.
When making the liquid crystal born of the same parents of liquid crystal indicator; The source of pollution of substrate possibly comprise before 2 polyimide (PI) substrates; In carrying out the friction process process; Foreign substances or polyimide particle (particle) from friction cloth drops out can cause bad situation when these pollutents attach on substrate.
In order to remove these pollution substances that produced in the middle of the processing procedure, now the most frequently used method is for using the solvent or the pure water of Virahol, isopropanol water solution etc.But use solvent to wash, can residual solvent on substrate and cause bad situation.In addition, also exist as the problem on the chemicalstability safety of security and combustibility etc.Moreover, get into soaring oil prices after the epoch, along with cost of material rises, the processing procedure expense also and then goes up thereupon.And with pure water, can't wash down pollution substance up hill and dale, therefore cause making the low problem of yield.
In addition, the detergent liquid that comprises basic cpd in it may cause the impaired situation of polyimide (PI) alignment film.
In order to solve foregoing problems, present many dealers constantly research and development have operational security, and wash clean system to add the water system that various tensio-active agent modes promote cleaning ability and wettability.
Summary of the invention
For solving foregoing problems; Main purpose of the present invention provides a kind of water system detergent liquid mixture; Being characterized as of this water system detergent liquid mixture owing to having the moistening of brilliance and soaking into effect, so thereby the pollution substance that can wash down up hill and dale on the alignment film substrate obtains outstanding washing effect.In addition, can not cause impaired situation to alignment film, and because of having no incendivity and low bubble property, and the safety environmental protection.
The present invention is a kind of water system detergent liquid mixture that does not comprise basic cpd; The words that more specify; A kind of lower alcohol that comprises C1~C5 in it, water soluble clycol ether compound are provided, more than one are selected from the composition of organic phosphoric acid and organophosphate, and the water system detergent liquid mixture of water.
In addition, the present invention provides a kind of liquid crystal indicator, and this liquid crystal indicator comprises the liquid crystal born of the same parents with the alignment film of above-mentioned water system detergent liquid mixture washing.
Water system detergent liquid mixture of the present invention have remarkable moistening, soak into effect, so thereby the pollution substance that can wash down up hill and dale on the alignment film substrate obtains outstanding washing effect.In addition, can not cause impaired situation to alignment film, and owing to have no incendivity and low bubble property, and the safety environmental protection.Thus, in the middle of liquid crystal born of the same parents (cell) processing procedure of liquid crystal indicator, the substrate washing process that is carried out before and after friction (rubbing) operation of water system detergent liquid mixture of the present invention to liquid crystal orienting film can obtain unsurpassed effect.
Description of drawings
Fig. 1 takes for using sweep electron microscope (SEM), utilizes the detergent liquid in the embodiment of the invention 1, the photo of the polyimide alignment film substrate of handling with the method in the experimental example 1;
Fig. 2 takes for using sweep electron microscope (SEM), utilizes the detergent liquid in the comparative example 4 of the present invention, the photo of the polyimide alignment film substrate of handling with the method in the experimental example 1.
Embodiment
Detergent liquid mixture of the present invention is the water system detergent liquid mixture of alkali-free property compound in it; This water system detergent liquid mixture comprise C1~C5 lower alcohol, water soluble clycol ether compound, more than one are selected from the composition of organic phosphoric acid and organophosphate, and the water system detergent liquid mixture of water.
In general, basic cpd often is used in pollutent or the organism of removing in the atmosphere, but if be used in liquid crystal born of the same parents (cell) processing procedure of display unit, is easy to cause the impaired situation of polyimide (PI) alignment film.Because detergent liquid mixture of the present invention does not contain basic cpd, so can prevent the impaired situation of polyimide (PI) alignment film.
In addition; Water system detergent liquid mixture of the present invention combines for lower alcohol, water-soluble glycol ether compound, more than one compositions that are selected from organic phosphoric acid and organophosphate by C1~C5; Therefore in the middle of the liquid crystal born of the same parents' (cell) of display unit processing procedure, when being used in the laundry operation before and after friction (rubbing) technology of liquid crystal orienting film, can obtaining remarkable pollution substance and wash clean effect; Simultaneously owing to have no incendivity and low bubble property, and safe environmental protection.Especially on washing polyimide alignment film, brought into play very outstanding pollution substance washing effect.
The lower alcohol of the C1~C5 of above-mentioned water system detergent liquid mixture, water-soluble glycol ether compound, more than one are selected from the composition of organic phosphoric acid and organophosphate; And the preferable content of water does; Gross weight with mixture is as the criterion, and the lower alcohol of C1~C5 is 0.1 weight %~15 weight %, and the water soluble clycol ether compound is 0.1 weight %~15 weight %; More than one compositions that are selected from organic phosphoric acid and organophosphate are 0.01 weight %~10 weight %, and remaining is a water.
The lower alcohol of above-mentioned C1~C5 promotes wettability and the power of impregnation of detergent liquid to substrate, can prevent the situation that pollution substance sticks back again simultaneously, and its result can remove the pollution substance on the substrate easily.
The kind of the lower alcohol of above-mentioned C1~C5 has no particular limits, but considers rerum naturas such as water-soluble, and the lower alcohol of C1~C4 is used in suggestion, for example; Can use methyl alcohol, ethanol, n-propyl alcohol, Virahol, terepthaloyl moietie, 1,2-Ucar 35,1, ammediol, 1; 2-butyleneglycol, 1,3 butylene glycol, 1,4-butyleneglycol, USP Kosher, 1; 2, lower alcohols such as 4-trihydroxybutane, and these compositions are used separately or two or more compositions mixes to use and all can.
The content of the above-mentioned lower alcohol in the middle of the mixture does, is as the criterion with the gross weight of detergent liquid, and 0.1 weight %~15 weight % are used in suggestion, and wherein best ratio is 0.5 weight %~10 weight %.If the content of lower alcohol is lower than 0.1 weight %, can't reduce surface tension and be not easy to obtain moistening power of impregnation, and if surpass 15 weight %, can residual lower alcohol on the substrate and cause bad.
Above-mentioned water system detergent liquid mixture, this water soluble clycol ether compound can be removed the oil component that light uses the difficult rubbed substrate surface of removing of the lower alcohol aqueous solution, improve the solvency power in water simultaneously.The water soluble clycol ether of C1~C10 is used in suggestion in the middle of the above-mentioned water soluble clycol ether compound.The preferred example of the water soluble clycol ether of C1~C10 is ethylene glycol monomethyl ether (MG), diethylene glycol monomethyl ether (MDG), triethylene glycol monomethyl ether (MTG), poly glycol monomethyl ether (MPG), ethylene glycol monoethyl ether (EG), diethylene glycol monoethyl ether (EDG), ethylene glycol monobutyl ether (BG), diethylene glycol monobutyl ether (BDG), triethylene glycol butyl ether (BTG), propylene glycol monomethyl ether (MFG), dipropylene glycol monomethyl ether (MFDG) etc., and independent use of these compositions or two or more composition mixing uses all can.
The content of above-mentioned water soluble clycol ether compound does, is as the criterion with the gross weight of detergent liquid, and 0.1 weight %~15 weight % are used in suggestion, and wherein best content is 0.5 weight %~10 weight %.If above-mentioned content do not reach 0.1 weight %, be not easy to remove the oil component on rubbed substrate surface, and if surpass 15 weight %, the viscosity that causes the detergent liquid mixture rises and causes washing the problem that the moistening power of impregnation of the substrate when clean descends.
Above-mentioned water system detergent liquid mixture; More than one one-tenth branches that are selected from organic phosphoric acid or organophosphate prevent to condense between each contaminant particles outside the situation together, also can promote to wash detergent liquid in the clean process to the moistening power of impregnation of substrate and improve and wash clean effect.
The kind of above-mentioned organic phosphoric acid has no particular limits; For example; Can use amino three (methyl acid phosphates), inferior second two basic phosphoric acid, 1-hydroxy ethylene-1; 1-di-phosphate, 1-hydroxy propylidene-1; 1-di-phosphate, 1-hydroxy butylidene-1,1-di-phosphate, ethylamino--two (methylene radical phosphoric acid), 1,2-Pn four (methylene radical phosphoric acid), dodecyl amido-two (methylene radical phosphoric acid), nitrotrimethylolmethane (methylene radical phosphoric acid), ethylene diamine-two (methylene radical phosphoric acid), ethylene diamine four (methylene radical phosphoric acid), hexamethylenediamire four (methylene radical phosphoric acid), diethylenetriamine pentamethylene phosphoric acid, cyclohexanediamine four (methylene radical phosphoric acid), hydroxy phosphinylidyne acetate, 2-phosphono-butane-1; 2, the organic phosphoric acid of 4-tricarboxylic acid etc.Wherein relatively the inferior second 1 of 1-hydroxyl is used in suggestion, 1-di-phosphate, hydroxyl phosphonoacetic acid, amino three (methylene radical phosphoric acid), 2-phosphoryl-butane-1,2,4-tricarboxylic acid etc.In addition, above-mentioned organophosphate can be sodium salt, sylvite of aforementioned organic phosphoric acid etc.
In the middle of the said mixture, more than one content that are selected from the composition of organic phosphoric acid and organophosphate do, are as the criterion with the gross weight of detergent liquid, and 0.01 weight %~10 weight % are used in suggestion, and wherein best content is 0.1 weight %~5 weight %.If the above-mentioned component content that more than one are selected from organic phosphoric acid and organophosphate does not reach the words of 0.01 weight %; Be not easy to promote the moistening power of impregnation of the substrate surface that friction finishes; And if content surpasses 10 weight %, this one-tenth branch remains in substrate and causes detrimentally affect.
Water constituent in the above-mentioned water system detergent liquid mixture has no particular limits, but the water that suggestion uses semiconductor technology to use, and it is the deionized water greater than 18M Ω/cm than resistance value.The content of above-mentioned water can be according to other moity adjustment.
To wash clean effect in order promoting, can to add additive general in this area in the water system detergent liquid mixture of the present invention, for example sanitas, moistening penetrant, dispersion agent or surface-modifying agent etc.
The moity that is comprised in the water system detergent liquid mixture of the present invention can complete according to method in common, but the composition with purity that semiconductor technology uses is used in suggestion.
In addition, the present invention provides wash the liquid crystal born of the same parents of clean alignment film and comprise this liquid crystal born of the same parents' liquid crystal indicator a kind of comprising with above-mentioned water system detergent liquid mixture.Use water system detergent liquid mixture of the present invention just can thoroughly remove the residual contamination material on the alignment film substrate, the liquid crystal born of the same parents that therefore have this alignment film can demonstrate outstanding quality.In addition, the liquid crystal indicator that comprises this liquid crystal born of the same parents can provide display frame clearly.
Use the clean method of washing of water system detergent liquid mixture of the present invention not have special restriction, for example can use to soak and wash clean method, shake and wash clean method, UW and wash clean method, the clean method of sparging, mud and wash clean method, brush and wash that clean method etc. is various washes clean method.
Detergent liquid mixture of the present invention is to be used in the middle of liquid crystal born of the same parents (cell) processing procedure of liquid crystal indicator; Detergent liquid on the substrate before and after the friction of liquid crystal orienting film (rubbing) operation; This detergent liquid not only has remarkable security, but also can the pollution substances such as particle that remain on the alignment film substrate thoroughly be removed.In addition, detergent liquid mixture of the present invention can not produce the residue of detergent liquid, and can avoid that pollution substance such as particle is glutinous again to be got back on the substrate.Also have the alignment film surface that the impaired situation through washing clean operation can not take place.Generally, the promptly stable again safely clean system of washing can be provided.
In addition, water system detergent liquid mixture of the present invention has low bubble characteristic, so use in the spray technology process situation that the operation quality that prevents to cause because of bubble reduces.
Below, illustrate in greater detail the present invention through a plurality of embodiment.But following a plurality of embodiment provide in order to illustrate in greater detail the present invention, and these embodiment can not limit scope of the present invention.
Embodiment 1~13 and comparative example 1~4: the preparation of detergent liquid mixture
According to fixed content, the composition of record joins in the tempering tank that is provided with whisking appliance in 1 with tabulating down, then, at normal temperatures, stirs 1 hour with 500rpm speed, promptly accomplishes the preparation of detergent liquid mixture.
Experimental example: the impaired evaluation of cleaning ability and alignment film
1. cleaning ability evaluation
The foregoing description 1~13 and comparative example 1~4 prepared detergent liquid mixture 100ml are put into the beaker (beaker) of capacity 250ml; (5 * 5 * 0.7cm) immerse substrate after again the polyimide alignment film being rubbed; Afterwards; The UW (40kHz, 20 ℃) that carried out 1 minute is washed clean operation.So, the substrate that will after the clean operation of washing of certain hour, take out washed for 30 seconds with ultrapure water again.Then,, afterwards, put into baking box, with 170 ℃ of oven dry 5 minutes with the liquid of nitrogen removal substrate surface.Use sweep electron microscope (SEM: Hitachi (Hitachi), model S-4700) to check this substrate at last, afterwards, judge cleaning ability with the foreign particle quantity that residues in substrate surface.Its comparative result such as following table 1, Fig. 1 and shown in Figure 2.
2. the impaired evaluation of polyimide alignment film
The foregoing description 1~13 and comparative example 1~4 prepared detergent liquid 100ml are put into the beaker (beaker) of capacity 250ml, the glass substrate that forms the polyimide alignment film is soaked in the beaker washed clean operation in 30 minutes.Then, substrate is taken out from the detergent liquid mixture, and, remove the liquid of substrate surface and do drying with nitrogen again after its water flushing.Use the extent of damage of sweep electron microscope (SEM:Hitachi, model S-4700) and this substrate of visual control at last.Its check result such as following table 1.
[table 1]
Figure BDA0000125086400000071
[washing clean effect]
◎: quite good, zero: good, △: common, *: bad
A-1: ethanol
A-2: Virahol
A-3: USP Kosher
B-1: diethylene glycol monomethyl ether (MDG)
B-2: diethylene glycol monoethyl ether (EDG)
B-3: diethylene glycol monobutyl ether (BDG)
C-1:1-hydroxy ethylene-1,1-di-phosphate (HEDP)
C-2:2-phosphoryl-butane-1,2,4-tricarboxylic acid (PBTC)
C-3: hydroxyl phosphonoacetic acid (HPA)
TMAH: tetramethylammonium hydroxide (Tetra methyl ammonium hydroxide)
The as above result shown in the table 1, the detergent liquid mixture of embodiments of the invention 1~13 all demonstrates remarkable cleaning ability, and can not cause impaired situation to the polyimide alignment film.
But relatively, comprise the detergent liquid mixture of the comparative example 1 of few basic cpd in it, because it removes the PI alignment film fully, so can't use.In addition,, heterogeneous thing is washed clean effect with the detergent liquid mixture of comparative example 2, but on substrate the vestige of residual organic substance and cause bad.In addition, with the detergent liquid mixture of comparative example 3,, heterogeneous thing is presented lower cleaning ability though can not cause impaired situation to alignment film.In addition, the detergent liquid mixture of the comparative example of being formed with pure water 4 though can not cause impaired situation to the polyimide alignment film, causes bad because of cleaning ability is low.

Claims (9)

1. the water system detergent liquid mixture of an alkali-free property compound, its comprise C1~C5 lower alcohol, water soluble clycol ether compound, more than one are selected from the composition and the water of organic phosphoric acid and organophosphate.
2. water system detergent liquid mixture according to claim 1; Wherein, Gross weight with mixture is as the criterion; This water system detergent liquid mixture include lower alcohol, the 0.1 weight %~15 weight % of this C1~C5 of 0.1 weight %~15 weight % this water-soluble glycol ether compound, 0.01 weight %~10 weight % these more than one be selected from the composition of organic phosphoric acid and organophosphate and the water of surplus.
3. water system detergent liquid mixture according to claim 1 wherein, in the middle of liquid crystal indicator technology, before and after the friction process of alignment film, uses this water system detergent liquid mixture to wash clean substrate.
4. water system detergent liquid mixture according to claim 1, wherein, the lower alcohol of this C1~C5 comprises at least a methyl alcohol, ethanol, n-propyl alcohol, Virahol, the terepthaloyl moietie, 1 of being selected from; 2-Ucar 35,1, ammediol, 1,2-butyleneglycol, 1; 3-butyleneglycol, 1; 4-butyleneglycol, USP Kosher and 1,2, the compound in the group that the 4-trihydroxybutane is formed.
5. water system detergent liquid mixture according to claim 1, wherein, this water soluble clycol ether compound is the water soluble clycol ether of C1~C10.
6. water system detergent liquid mixture according to claim 1; Wherein, this water soluble clycol ether comprises at least a compound that is selected from the group that ethylene glycol monomethyl ether (MG), diethylene glycol monomethyl ether (MDG), triethylene glycol monomethyl ether (MTG), poly glycol monomethyl ether (MPG), ethylene glycol monoethyl ether (EG), diethylene glycol monoethyl ether (EDG), ethylene glycol monobutyl ether (BG), diethylene glycol monobutyl ether (BDG), triethylene glycol butyl ether (BTG), propylene glycol monomethyl ether (MFG) and dipropylene glycol monomethyl ether (MFDG) formed.
7. water system detergent liquid mixture according to claim 1; Wherein, These more than one be selected from organic phosphoric acid and organophosphate composition comprise at least a amino three (methylene radical phosphoric acid), inferior second di-phosphate, the 1-hydroxy ethylene-1 of being selected from; 1-di-phosphate, 1-hydroxy propylidene-1; 1-di-phosphate, 1-hydroxy butylidene-1; 1-di-phosphate, ethamine two (methylene radical phosphoric acid), 1,2-Pn four (methylene radical phosphoric acid), amino two (the methylene radical phosphoric acid) of dodecyl, nitrotrimethylolmethane (methylene radical phosphoric acid), ethylene diamine two (methylene radical phosphoric acid), ethylene diamine four (methylene radical phosphoric acid), hexamethylenediamire four (methylene radical phosphoric acid), diethylenetriamine pentamethylene phosphoric acid, cyclohexanediamine four (methylene radical phosphoric acid), hydroxyl phosphonoacetic acid, 2-phosphoryl-butane-1,2; 4-tricarboxylic acid, and the compound in the group that forms of sodium salt or sylvite.
8. liquid crystal born of the same parents, it comprises use and washes clean alignment film according to each described water system detergent liquid mixture in the claim 1 to 7.
9. liquid crystal indicator, it comprises liquid crystal born of the same parents according to claim 8.
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KR101951507B1 (en) * 2011-09-15 2019-02-22 닛산 가가쿠 가부시키가이샤 Method for manufacturing liquid crystal alignment film, liquid crystal alignment film, and liquid crystal display element

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KR20100138148A (en) 2010-12-31
TW201114888A (en) 2011-05-01

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