CN1872972A - Water based cleaning liquid for LCD - Google Patents
Water based cleaning liquid for LCD Download PDFInfo
- Publication number
- CN1872972A CN1872972A CN 200610014470 CN200610014470A CN1872972A CN 1872972 A CN1872972 A CN 1872972A CN 200610014470 CN200610014470 CN 200610014470 CN 200610014470 A CN200610014470 A CN 200610014470A CN 1872972 A CN1872972 A CN 1872972A
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- cleaning liquid
- liquid
- lcd
- water
- cleaning
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Abstract
This invention relates to a water-borne cleaning liquid for liquid crystal displays. The cleaning liquid comprises: one of triethanolamine, diethanolamine and hydroxyethyl ethlenediamine 15-65 wt.%, JFC 10-45 wt.%, peregal or OP nonionic surfactant 10-20 wt.%, and deionized water. The organic base can decompose organic matters, thus can remove the residues on the surface of the products and increase the surface smoothness of the products. The cleaning liquid has such advantages as no toxicity, no harm to human body, good flame retardancy, no explosion and high safety. The cleaning liquid has good cleaning effect on particles, organic films and grease.
Description
Technical field
The present invention relates to a kind of water-base cleaning liquid, particularly a kind of LCD (liquid-crystal display) water-base cleaning liquid.
Background technology
The LCD scavenging solution is to be used to remove LCD liquid crystal display crack liquid crystal residue.The clean-out system of LCD has three types of aqueous cleaning agents, half aqueous cleaning agent, solvent cleaner, and water base and half water base cleaning is applicable to ultrasonic washing process route, and solvent cleaner is applicable to gas phase ultrasonic cleaning operational path.Partly water base and solvent cleaner plays solvency action to liquid crystal.Aqueous cleaning agent in the existing ultrasonic washing process is made up of mineral alkali and some hydrocarbon polymers, and its mineral alkali and organism do not dissolve each other, and just has residue like this and exist after cleaning, influences the LCD surface clearness.And some component jeopardizes workers ' health.The residual liquid crystal of water base cleaning removal LCD is the emulsifying effect based on tensio-active agent and liquid crystal, and emulsification is bigger to ultransonic dependency, and is because the surface tension of water is bigger than solvent, relatively poor to the wettability of slit.Eliminated ODS clean-out systems such as CFC-113 at present in the world, some half water base clean-out systems also exist problems such as recycling.
Summary of the invention
The present invention be use organic bases to substitute mineral alkali in order to overcome above-mentioned deficiency of the prior art, to provide a kind of, can effectively eliminate residue, improve product surface smooth finish, to good, the good LCD water-base cleaning liquid of security simultaneously of wettability of slit.
Technical scheme of the present invention is that its component and weight percent thereof are any organic bases in 15～65 trolamine, diethanolamine, the hydroxyethylethylene diamine, 10～45 JFC, 10～20 peregal series or op series non-ionic surfactants and balance of deionized water.
Wherein peregal series and op series promoting agent, nonionogenic tenside has following effect:
1, wetting, osmosis makes surface tension of liquid less, and liquid is just sprawled at solid surface;
2, emulsification, dissemination, the hydrophilic group of tensio-active agent (emulsifying agent) molecule dissolves in water, and oleophilic group dissolves in oil, forms unimolecular layer, has improved the stability of emulsion;
3, foaming, froth breaking effect, when gas formed bubble, the oleophilic group of tensio-active agent stretched in the bubble, and unimolecular film has reduced surface tension, makes foam stabilization;
4, nonionogenic tenside be except reducing surface tension, thereby causes outside the essential propertys such as wetting, infiltration, dispersion, emulsification, foaming, washing, also has the performance of various derivations, for example antistatic property, stabilization, softening, fungi-proofing arrangement.
The invention has the beneficial effects as follows that organic bases has certain Decomposition to organism, mutual solubility is arranged, help eliminating the residue of product surface, improve product surface smooth finish; Nontoxic, do not jeopardize workers ' health and also fire-retardant, do not explode, security is good; The prescription degree of freedom is big, can satisfy specific cleaning needs, and particulate, organic film, grease etc. are had excellent cleaning effect; The mechanism of cleaning except that dissolving, also comprise saponification, soak into, effects such as emulsification, dispersion, interfacial activity power more.When being applied to ultrasonic cleaning, the ultrasonic cavitation efficient height in the water-base cleaning liquid, ultrasonic cleaning is effective.
Embodiment
Embodiment 1
Get the trolamine of 20g respectively, the JFC of 5g, a kind of in the peregal series of 5g, the deionized water of 70g mixes the back and fully stirs, and obtains the liquid-crystal display aqueous cleaning agent.
Embodiment 2
Get the hydroxyethylethylene diamine of 20g respectively, the JFC of 40g, the deionized water of a kind of and 35g in the peregal series of 5g mixes the back and fully stirs, and obtains the liquid-crystal display aqueous cleaning agent.
Embodiment 3
Get the diethanolamine of 60g respectively, 5g JFC, a kind of in the 5g peregal series, the 30g deionized water mixes the back and fully stirs, and obtains the liquid-crystal display aqueous cleaning agent.
Embodiment 4
Get the 50g trolamine respectively, 15g JFC, a kind of in the 5g op series promoting agent, the 30g deionized water mixes the back and fully stirs, and obtains the liquid-crystal display aqueous cleaning agent.
Embodiment 5
Get the 20g trolamine respectively, 10g JFC, a kind of in the 20g op series promoting agent, the 50g deionized water mixes the back and fully stirs, and obtains the liquid-crystal display aqueous cleaning agent.
Embodiment 6
Get concrete a kind of, 50g deionized water in 20g diethanolamine, 20g JFC, the 10g op series promoting agent respectively, mix the back and fully stir, obtain the liquid-crystal display aqueous cleaning agent.
Embodiment 7
Get a kind of, 20g deionized water in 70g trolamine, 5g JFC, the 5g op series promoting agent respectively, mix the back and fully stir, obtain the liquid-crystal display aqueous cleaning agent.
Embodiment 8
Get the 30g hydroxyethylethylene diamine respectively, 5g JFC, a kind of in the 15g peregal series, the 50g deionized water mixes the back and fully stirs, and obtains the liquid-crystal display aqueous cleaning agent.
Claims (1)
- A kind of LCD water-base cleaning liquid is characterized in that its component and weight percent thereof are any organic bases in 15～65 trolamine, diethanolamine, the hydroxyethylethylene diamine, 10～45 JFC, 10～20 peregal series or op series non-ionic surfactants and balance of deionized water.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610014470 CN1872972A (en) | 2006-06-28 | 2006-06-28 | Water based cleaning liquid for LCD |
| CNA2007101277488A CN101121913A (en) | 2006-06-28 | 2007-06-22 | LCD water-base cleaning liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610014470 CN1872972A (en) | 2006-06-28 | 2006-06-28 | Water based cleaning liquid for LCD |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1872972A true CN1872972A (en) | 2006-12-06 |
Family
ID=37483578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610014470 Pending CN1872972A (en) | 2006-06-28 | 2006-06-28 | Water based cleaning liquid for LCD |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1872972A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113122398A (en) * | 2021-04-23 | 2021-07-16 | 广州亦盛环保科技有限公司 | Water-based liquid crystal cleaning agent and preparation method and application thereof |
-
2006
- 2006-06-28 CN CN 200610014470 patent/CN1872972A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113122398A (en) * | 2021-04-23 | 2021-07-16 | 广州亦盛环保科技有限公司 | Water-based liquid crystal cleaning agent and preparation method and application thereof |
| CN113122398B (en) * | 2021-04-23 | 2022-07-08 | 广州亦盛环保科技有限公司 | Water-based liquid crystal cleaning agent and preparation method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |