CN102329698B - Novel environmentally-friendly liquid crystal detergent and preparation method thereof - Google Patents
Novel environmentally-friendly liquid crystal detergent and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a novel environmentally-friendly liquid crystal detergent and a preparation method thereof, and relates to the technical field of liquid crystal cleaning materials. The liquid crystal detergent is prepared from AES (fatty alcohol polyoxyethylene ether sulfate), JFC (fatty alcohol polyoxyethylene ether), metasilicate, deionized water and lower alcohol. The preparation method comprises the following process steps: separately weighing AES, JFC, metasilicate, deionized water and lower alcohol in proportion for later use; adding AES, JFC and deionzied water to a container, heating to 40-50 DEG C, stirring for 30-50 minutes, and uniformly mixing to obtain a mixed liquid for later use; adding metasilicate to the mixed liquid, and uniformly mixing to obtain a salt-containing mixed liquid for later use; and adding low alcohol to the salt-containing mixed liquid and uniformly mixing. The liquid crystal detergent has the characteristics of simpleness in formula and preparation process, no environmental pollution, strong cleaning capability and the like, and is applicable to liquid crystal cleaning in various liquid crystal display screen manufacture processes.
Description
Technical field
The present invention relates to liquid crystal cleaning material technical field, particularly a kind of novel environment friendly liquid crystal cleaning agent and preparation method thereof.
Background technology
In the making processes of liquid crystal display, normally first with two glass substrate bondings, stay a part of opening, behind the filling liquid crystal opening is sealed with seal gum, then, clean up remaining in the outer liquid crystal of opening.Because liquid crystal mostly is the macromolecular cpd of strong polarity, has extremely strong Intermolecular Forces, be not easy in water, to disperse, therefore, the past generally all is to adopt the organic washing agent to clean residual liquid crystal; Because the organic washing agent degrade in environment slowly, environment is caused great pressure, thereby, present hydrotropisms's cleaning agent developing gradually, but the cleaning force of waterborne cleaning agent a little less than, be not easy residual liquid crystal clean.Chinese patent (application number is 200510132751) discloses " a kind of water-soluble liquid crystal cleaning agent composition and preparation method thereof ", wherein, said composition contains polyoxyethylene glycol bisgallic acid ester, fatty alcohol-polyoxyethylene ether, alkyl three polyoxy Vinyl Ether sulfuric acid three fatty alcohol amines and/or thiazolinyl three polyoxy Vinyl Ether sulfuric acid three fatty alcohol amines, alkyl benzene sulphonate (ABS), Yelkin TTS and water, take the gross weight of said composition as benchmark, the content of described polyoxyethylene glycol bisgallic acid ester is the 10-50 % by weight, the content of fatty alcohol-polyoxyethylene ether is the 5-60 % by weight, the content of alkyl three polyoxy Vinyl Ether sulfuric acid three fatty alcohol amines and/or thiazolinyl three polyoxy Vinyl Ether sulfuric acid three fatty alcohol amines is the 5-20 % by weight, the content of alkyl benzene sulphonate (ABS) is the 1-15 % by weight, the content of Yelkin TTS is the 1-10 % by weight, and the content of water is the 5-50 % by weight; The water-soluble liquid crystal cleaning agent composition that this invention provides can effectively be removed the liquid crystal material of invading the liquid crystal panel space and the foreign matter that is attached to substrate surface, is that a kind of toxicity is little, environmentally friendly, flammable low and can clean the cleansing composition that the plurality of liquid crystals material has good clearing power.Chinese patent (application number is 200510132751) " a kind of water-base composite detergent for liquid crystal " and for example, its cleansing composition consists of: 10-20% aliphatic alcohol polyethenoxy alkyl oxide, 5-15% aliphatic alcohol polyethenoxy polyethenoxy ether, the 1-10% wetting agent; The 2-15% alkyl alcoholamine, 10-20% ethylene glycol alkyl oxide, 0.1-0.5% organic complexing agent and surplus deionized water, the nontoxic non-corrosiveness of the clean-out system of this invention, free from environmental pollution, do not destroy the high-altitude ozonosphere, do not cause Greenhouse effect, and can reduce the cleaning cost.
Summary of the invention
Technical problem to be solved by this invention provides a kind of prescription and preparation technology is simple, environment is not had pollution and strong liquid crystal cleaning agent and the production technique thereof of cleansing power.
The technical solution used in the present invention is a kind of novel environment friendly liquid crystal cleaning agent of invention, is to be mixed by following raw material by weight percentage:
AES 10-16 JFC 8-15 metasilicate 1
Deionized water 69 lower alcohol 5-6;
Described AES is fatty alcohol polyoxyethylene ether sulfate, and its general formula is
RO(CH
2CH
2O)n-SO
3Na，n＝2-4；
Described JFC is fatty alcohol-polyoxyethylene ether, and its general formula is
RO(CH
2CH
2O)nH，R＝C
8-C
10，n＝4-8；
Described metasilicate is the mixture of a kind of in Starso, potassium metasilicate, the lithium metasilicate or two kinds or three kinds; When being the mixture of two kinds or three kinds, its consumption separately is equal portions;
Described lower alcohol is the mixture of a kind of in Virahol, ethylene glycol, glycerol, the ethanol or two kinds or three kinds or four kinds; When being the mixture of two kinds or three kinds or four kinds, its consumption separately is equal portions.
The technical scheme one of its optimization is to be mixed by following raw material by weight percentage:
C
2H
5O(CH
2CH
2O)
2-SO
3Na 15 C
8H
17O(CH
2CH
2O)
4H 10
Starso 1 ethylene glycol 5 deionized waters 69.
The technical scheme two of its optimization is to be mixed by following raw material by weight percentage:
C
3H
7O(CH
2CH
2O)
3-SO
3Na 16 C
10H
21O(CH
2CH
2O)
4H 8
Potassium metasilicate 1 Virahol 6 deionized waters 69.
The technical scheme three of its optimization is to be mixed by following raw material by weight percentage:
C
2H
5O(CH
2CH
2O)
4-SO
3Na 10 C
6H
13O(CH
2CH
2O)
4H 15
Lithium metasilicate 1 glycerol 5 deionized waters 69.
Meanwhile, also invent a kind of preparation method of novel environment friendly liquid crystal cleaning agent, its technological process is as follows:
A: according to proportioning, take by weighing respectively AES, JFC, deionized water, metasilicate and lower alcohol, for subsequent use;
B: in container, add AES, JFC and deionized water for subsequent use, heat 40-50 ℃, stirred 30-50 minute, it is mixed, become mixed solution, for subsequent use;
C: in above-mentioned mixed solution for subsequent use, add metasilicate for subsequent use, and mix, become the saliferous mixed solution, for subsequent use;
D: in above-mentioned saliferous mixed solution for subsequent use, add lower alcohol for subsequent use, and mix.
In above-mentioned each scheme, used weight unit can be gram or kilogram or ton or other weight unit.
Novel environment friendly liquid crystal cleaning agent of the present invention, its constitutive material only are several, and its preparation method is that each raw material is added sequentially, mix, thereby its prescription and preparation technology are fairly simple.Simultaneously, organic content is less in the clean-out system, therefore environment is not polluted.In addition, novel environment friendly liquid crystal cleaning agent of the present invention has stronger cleansing power, and its cleaning performance is remarkable, and following table is the washing test result:
| Sequence number | The cleaning project | Cleaning way | Scavenging period | Cleaning performance |
| 1 | Glass surface chip and other impurity | Ultrasonic cleaning | 1-3 minute | Fully clean |
| 2 | Residual liquid crystal in the slit | Ultrasonic cleaning | 1-3 minute | Fully clean |
| 3 | Difficult volatile residue | Ultrasonic cleaning | 1-3 minute | Fully clean |
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.Following explanation is to adopt the mode that exemplifies, but protection scope of the present invention should not be limited to this.Among each following embodiment, described part unit can be gram or kilogram or ton, or other weight unit.
Embodiment one:
The novel environment friendly liquid crystal cleaning agent of the present embodiment, its preparation process is as follows:
A: according to weight percent, take by weighing respectively 15 parts of C
2H
5O (CH
2CH
2O)
2-SO
3Na, 10 parts of C
8H
17O (CH
2CH
2O)
4H, 1 part of Starso, 5 parts of ethylene glycol and 69 parts of deionized waters amount to 100 parts, and are for subsequent use;
B: in container, add C for subsequent use
2H
5O (CH
2CH
2O)
2-SO
3Na, C
8H
17O (CH
2CH
2O)
4H and deionized water are heated to 40-50 ℃, stir 30-50 minute, and it is mixed, and become mixed solution, and be for subsequent use;
C: in above-mentioned mixed solution for subsequent use, add Starso for subsequent use, and mix, become the saliferous mixed solution, for subsequent use;
D: in above-mentioned saliferous mixed solution for subsequent use, add ethylene glycol for subsequent use, and mix, namely become the novel environment friendly liquid crystal cleaning agent of the present embodiment.
During use, the novel environment friendly liquid crystal cleaning agent of the present embodiment is joined in the container with ultrasonic unit, again workpiece to be cleaned is put into clean-out system, started ultrasonic unit 1-3 minute, the workpiece cleaning that can must clean is clean.
Embodiment two:
The novel environment friendly liquid crystal cleaning agent of the present embodiment, its preparation process is as follows:
A: according to weight percent, take by weighing respectively 16 parts of C
3H
7O (CH
2CH
2O)
3-SO
3Na, 8 parts of C
10H
21O (CH
2CH
2O)
4H, 1 part of potassium metasilicate, 6 parts of Virahols and 69 parts of deionized waters amount to 100 parts, and are for subsequent use;
B: in container, add C for subsequent use
3H
7O (CH
2CH
2O)
3-SO
3Na, C
10H
21O (CH
2CH
2O)
4H and deionized water are heated to 40-50 ℃, stir 30-50 minute, and it is mixed, and become mixed solution, and be for subsequent use;
C: in above-mentioned mixed solution for subsequent use, add potassium metasilicate for subsequent use, and mix, become the saliferous mixed solution, for subsequent use;
D: in above-mentioned saliferous mixed solution for subsequent use, add Virahol for subsequent use, and mix, namely become the novel environment friendly liquid crystal cleaning agent of the present embodiment.
Its using method is identical with embodiment one.
Embodiment three:
The novel environment friendly liquid crystal cleaning agent of the present embodiment, its preparation process is as follows:
A: according to weight percent, take by weighing respectively 10 parts of C
2H
5O (CH
2CH
2O)
4-SO
3Na, 15 parts of C
6H
13O (CH
2CH
2O)
4H, 1 part of lithium metasilicate, 5 parts of glycerol and 69 parts of deionized waters amount to 100 parts, and are for subsequent use;
B: in container, add C for subsequent use
2H
5O (CH
2CH
2O)
4-SO
3Na, C
6H
13O (CH
2CH
2O)
4H and deionized water are heated to 40-50 ℃, stir 30-50 minute, and it is mixed, and become mixed solution, and be for subsequent use;
C: in above-mentioned mixed solution for subsequent use, add lithium metasilicate for subsequent use, and mix, become the saliferous mixed solution, for subsequent use;
D: in above-mentioned saliferous mixed solution for subsequent use, add glycerol for subsequent use, and mix, namely become the novel environment friendly liquid crystal cleaning agent of the present embodiment.
Its using method is identical with embodiment one.
The novel environment friendly liquid crystal cleaning agent of the present embodiment cleans applicable to the liquid crystal in all kinds of liquid crystal display making processes.
Claims (4)
1. environmental protection liquid crystal cleaning agent it is characterized in that being mixed by following raw material by weight percentage:
AES 10-16 JFC 8-15 metasilicate 1
Deionized water 69 lower alcohol 5-6;
Described AES is fatty alcohol polyoxyethylene ether sulfate, and its general formula is RO (CH
2CH
2O) n-SO
3Na, n=2-4;
Described JFC is fatty alcohol-polyoxyethylene ether, and its general formula is RO (CH
2CH
2O) nH, R=C
8-C
10, n=4-8;
Described metasilicate is the mixture of a kind of in Starso, potassium metasilicate, the lithium metasilicate or two kinds or three kinds; When being the mixture of two kinds or three kinds, its consumption separately is equal portions;
Described lower alcohol is the mixture of a kind of in Virahol, ethylene glycol, glycerol, the ethanol or two kinds or three kinds or four kinds; When being the mixture of two kinds or three kinds or four kinds, its consumption separately is equal portions;
Its preparation process is as follows:
A: according to proportioning, take by weighing respectively AES, JFC, deionized water, metasilicate and lower alcohol, for subsequent use;
B, in container, add AES, JFC and deionized water for subsequent use, heat 40-50 ℃, stirred 30-50 minute, it is mixed, become mixed solution, for subsequent use;
C: in above-mentioned mixed solution for subsequent use, add metasilicate for subsequent use, and mix, become the saliferous mixed solution, for subsequent use;
D: in above-mentioned saliferous mixed solution for subsequent use, add lower alcohol for subsequent use, and mix.
2. environmental protection liquid crystal cleaning agent according to claim 1 it is characterized in that being mixed by following raw material by weight percentage:
C
2H
5O(CH
2CH
2O)
2-SO
3Na 15 C
8H
17O(CH
2CH
2O)
4H 10
Starso 1 ethylene glycol 5 deionized waters 69.
3. environmental protection liquid crystal cleaning agent according to claim 1 it is characterized in that being mixed by following raw material by weight percentage:
C
3H
7O(CH
2CH
2O)
3-SO
3Na 16 C
10H
21O(CH
2CH
2O)
4H 8
Potassium metasilicate 1 Virahol 6 deionized waters 69.
4. environmental protection liquid crystal cleaning agent according to claim 1 it is characterized in that being mixed by following raw material by weight percentage:
C
2H
5O(CH
2CH
2O)
4-SO
3Na 10 C
6H
13O(CH
2CH
2O)
4H 15
Lithium metasilicate 1 glycerol 5 deionized waters 69.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110244242 CN102329698B (en) | 2011-08-19 | 2011-08-19 | Novel environmentally-friendly liquid crystal detergent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110244242 CN102329698B (en) | 2011-08-19 | 2011-08-19 | Novel environmentally-friendly liquid crystal detergent and preparation method thereof |
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|---|---|
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| CN102329698B true CN102329698B (en) | 2013-03-27 |
Family
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|---|---|---|---|
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| CN103604718B (en) * | 2013-11-15 | 2016-02-03 | 深圳市华星光电技术有限公司 | The measuring method of moisture in liquid crystal |
| CN103773249B (en) * | 2014-01-20 | 2015-04-22 | 华南理工大学 | Automobile emulsifying wax and preparation method thereof |
| CN104893830B (en) * | 2015-06-29 | 2018-01-30 | 邓婷 | Electronic device display screen cleaning fluid |
| CN105255621A (en) * | 2015-09-27 | 2016-01-20 | 常州市奥普泰科光电有限公司 | Preparation method of semi water-based liquid crystal cleaning compound |
| CN107354018A (en) * | 2017-05-20 | 2017-11-17 | 合肥市惠科精密模具有限公司 | A kind of high-efficiency environment friendly LCDs cleaning agent |
| CN110628519A (en) * | 2019-09-26 | 2019-12-31 | 长沙学院 | Water-based cleaning agent and preparation method and application thereof |
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| CN100351361C (en) * | 2004-06-23 | 2007-11-28 | 比亚迪股份有限公司 | Water-based liquid-crystal cleaning agent |
| CN101818103B (en) * | 2010-05-17 | 2012-05-02 | 江西瑞思博化工有限公司 | Washing agent for electronic materials |
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Address after: Whitewater Jianye road 426141 Yongzhou city of Hunan province Qiyang County No. 7 Applicant after: Hunan Haozhi New Materials Co., Ltd. Address before: Baishui town 426141 Hunan County of Qiyang province (Qiyang science and Technology Industrial Park) Applicant before: Yongzhou Haozhi RareEarth Co.,Ltd. |
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Owner name: HUNAN HAOZHI TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HU NAN HAOZHI NEW MATERIALS CO., LTD. Effective date: 20141117 |
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Effective date of registration: 20141117 Address after: Whitewater Jianye road 426141 Yongzhou city of Hunan province Qiyang County No. 7 Patentee after: HUNAN HAOZHI TECHNOLOGY CO., LTD. Address before: Whitewater Jianye road 426141 Yongzhou city of Hunan province Qiyang County No. 7 Patentee before: Hunan Haozhi New Materials Co., Ltd. |