TWI434928B - Wash the liquid composition - Google Patents

Description

Cleaning composition

The present invention relates to a composition of a cleaning liquid, and more particularly to a composition of a cleaning liquid having a good defoaming property and a low amount of gel formation.

Cleaning substrates such as glass has been an important issue in the application range of various cleaning solutions. The dirt attached to the surface of the glass is more difficult to clean after years of accumulation. For example, the oil stain on the glass may be oxidized to change the oil over time, or may be caused by ultraviolet rays, acid rain, heating, etc. More difficult to remove.

The cleaning solution for cleaning the substrate usually comprises an alkali agent, a surfactant and a solvent, wherein the alkali agent usually contains a strong base such as sodium carbonate or sodium hydroxide or an organic amine, and the solvent may be a water-soluble solvent. A lotion as disclosed in Japanese Laid-Open Patent Publication No. Hei 11-269486, which comprises an alkali agent, a cationic surfactant, a nonionic surfactant, and a water-soluble solvent. Although it is effective for cleaning oil on glass, it has defoaming property. Poor and high gel formation, causing the problem of subsequent cleaning of the cleaning solution is not easy.

The application of glass substrate is very wide, from general life, building materials to precision electronic products, how to effectively remove the oil on the substrate, and can achieve good defoaming and reduce gel formation, and facilitate the subsequent cleaning of the cleaning solution. It has become an important topic in the technical field.

Summary of invention

The present invention provides a cleaning liquid composition comprising an excellent formulation which has the advantages of good defoaming property and low gel formation amount.

Accordingly, the present invention relates to a cleaning liquid composition comprising: a basic compound (A); a fluorine-containing compound (B) having a structure represented by the formula (1),

R-A formula (1);

a linear surfactant (C) having a structure as shown in the formula (2),

R ₁₀ -O-(EO) _a (PO) _b -H Formula (2);

Water (D).

The present invention also provides a method of cleaning a substrate using the aforementioned cleaning liquid composition.

Detailed description of the invention

The present invention relates to a cleaning liquid composition comprising: a basic compound (A); a fluorine-containing compound (B) having a structure represented by the formula (1),

R-A formula (1);

a linear surfactant (C) having a structure as shown in the formula (2),

R ₁₀ -O-(EO) _a (PO) _b -H Formula (2);

Water (D).

The basic compound (A) according to the present invention contains an inorganic basic compound (A-1) and/or an organic basic compound (A-2). Each of the above inorganic basic compound (A-1) or organic basic compound (A-2) may be used singly or in combination with each other.

The inorganic basic compound (A-1) as used in the present invention means an inorganic substance having a pH of more than 7; in a preferred embodiment of the present invention, the inorganic basic compound (A-1) is sodium carbonate or carbonic acid. Potassium, sodium hydrogencarbonate, potassium hydrogencarbonate, sodium citrate, potassium citrate, sodium hydroxide, potassium hydroxide, sodium phosphate, potassium phosphate, disodium phosphate, dipotassium phosphate, trisodium phosphate or tripotassium phosphate. The above inorganic basic compound (A-1) may be used singly or in combination of plural kinds.

The organic basic compound (A-2) as used in the present invention means an organic substance having a pH of more than 7. In a preferred embodiment of the present invention, the organic base is monoethanolamine, diethanolamine, triethanolamine, methylamine. , dimethylamine, ethylamine, diethylamine, triethylamine, morpholine, cyclohexylamine, tetramethylammonium hydroxide, tetraethylammonium hydroxide or dihydroxyethyltrimethylammonium chloride (common name: biliary Alkali). The above organic basic compound (A-2) may be used singly or in combination of plural kinds.

The fluorine-containing compound (B) according to the present invention has a structure represented by the formula (1),

R-A formula (1);

Wherein: R has a structure as shown in formula (3),

Wherein R ₁ to R ₉ are each independently selected from the group consisting of H, CH ₃ , F, CH ₂ F, CHF ₂ , CF ₃ , CF ₂ CF ₃ and CF ₂ CF ₂ CF ₃ . The total number of carbon atoms of the formula (3) is preferably from 6 to 12; more preferably from 6 to 9. In a preferred embodiment of the invention, at least two of R ₁ to R ₉ are the same; in another preferred embodiment of the invention, R ₁ to R ₉ are each different.

In a preferred embodiment of the invention, R ₁ , R ₃ , R ₄ and R ₅ are CF ₃ ; R ₂ , R ₆ , R ₇ , R ₈ and R ₉ are F.

In another preferred embodiment of the invention, R ₁ to R ₇ and R ₉ are F; and R ₈ is CF ₃ .

In still another preferred embodiment of the present invention, R ₁ to R ₅ and R ₇ are F; R ₆ is CF ₂ CF ₃ ; and R ₈ and R ₉ are CF ₃ .

In still another preferred embodiment of the present invention, R ₁ and R ₂ and R ₄ to R ₇ are F; R ₃ is CF ₂ CF ₃ ; and R ₈ and R ₉ are CF ₃ .

According to the invention, A is selected from the group consisting of H, CH ₃ , F, CH ₂ F, CHF ₂ , CF ₃ , CF ₂ CF ₃ , CF ₂ CF ₂ CF ₃ , -O(CH ₂ CH ₂ O) _m -CH ₃ a group consisting of -O(CH ₂ ) _n OH, -O(CH ₂ ) _n OR and -OAr; wherein: m represents an integer from 1 to 50; n represents an integer from 4 to 20; and Ar represents p- a CH ₂ X substituent or a monocyclic or polycyclic aromatic group containing a single R _b substituent; X represents a halogen; p represents an integer from 2 to 5; and R _b is selected from CH ₂ CH ₂ OH, NH ₂ , SO ₃ Na,

a group consisting of; Y represents H or methyl; M _x is selected from the group consisting of H, Na, K, Li, ammonium, tetramethylammonium, tetraethylammonium and tetrabutylammonium; U represents a hydrogen atom or an aromatic group; Z represents H or an alkyl group; R _c represents or The W generation represents H or methyl; s represents an integer from 1 to 140; and q represents 1 or 2.

In a preferred embodiment of the invention, A is represented by H, CH ₃ , F, CH ₂ F, CHF ₂ , CF ₃ , CF ₂ CF ₃ or CF ₂ CF ₂ CF ₃ .

In another preferred embodiment of the invention, A is a hydrophilic polar group, such as a combination of an O atom to an aromatic or aliphatic chain, such as -O(CH ₂ CH ₂ O) _m -CH ₃ , -O ( CH ₂ ) _n OH, -O(CH ₂ ) _n OR and -OAr are represented.

Preferably, the fatty chain preferably comprises from 6 to 22 carbon atoms; more preferably from 8 to 18 carbon atoms.

In another preferred embodiment of the present invention, the R _b substituent of the Ar aryl group is a sulfate, a carboxyl group, a phosphate, an organic and inorganic ammonium, an alcohol group, a halogen-substituted alkyl group, an amine, a sulfonamide. Or epoxide.

In still another preferred embodiment of the present invention, R is present as a dimer and is linked by an ether group or an ester group.

In a specific example of the present invention, the fluorine-containing compound (B) is a commercially available FTX-208G (manufactured by NEOS) or has a structure represented by the formulae (B-2) to (B-20):

In a preferred embodiment of the present invention, the cleaning liquid composition is used in an amount of 100 parts by weight based on the basic compound (A), wherein the fluorine-containing compound (B) is used in an amount of from 0.2 to 140 parts by weight. It is preferably from 1 to 120 parts by weight, more preferably from 5 to 100 parts by weight. Since the fluorine-containing compound (B) has good hydrophobicity and is not miscible with other surfactants in the cleaning liquid composition, it can effectively improve the defoaming property and maintain the detergency, if no fluorine-containing compound is used at all ( B), it is easy to have the problem of low defoaming.

The linear surfactant (C) according to the present invention has the structure represented by the formula (2):

R ₁₀ -O-(EO) _a (PO) _b -H (2)

Wherein: R ₁₀ is selected from the group consisting of a linear alkyl group of C8 to C18, a linear alkenyl group of C8 to C18, a linear fluorenyl group of C8 to C18, and a phenyl group substituted with a linear alkyl group of C8 to C12. Group; EO represents ethoxy; PO represents propoxy; a represents an integer from 1 to 20; and b represents an integer from 0 to 20.

a and b are the average addition moles of EO and PO, respectively.

The linear surfactant (C) according to the present invention may be used singly or in combination of plural kinds.

(EO) _a (PO) _b may be composed of an ethoxy group alone or an ethoxy group and a propoxy group. When (EO) _a (PO) _{b is} composed of an ethoxy group and a propoxy group, the arrangement of EO and PO may be a block type or a random type. When the arrangement of EO and PO is a block type, the number of blocks of EO and the number of blocks of PO may be one or two or more, as long as the average addition molar number is within the above range. Further, when the number of blocks composed of EO is two or more, the number of repetitions of EO in each block may be the same or different. When the number of blocks of PO is two or more, the number of repetitions of PO in each block may be the same as or different from each other.

When the arrangement of EO and PO is block type or random type, if the molar ratio of EO to PO (M _EO /M _PO ) is 9.5/0.5 to 5/5, high water solubility can be achieved. On the other hand, a is preferably from 1 to 15; more preferably from 1 to 10. In still another aspect, b is preferably from 1 to 15; more preferably from 1 to 10. a+b is preferably from 1 to 30; more preferably from 1 to 20.

In a preferred embodiment of the present invention, the linear surfactant (C) according to the present invention is obtained by adding an ethoxy group and/or a propoxy group to the following compounds: octanol, decyl alcohol, ten Alcohols such as trialkanol, dodecanol, stearyl alcohol, stearyl alcohol, oleyl alcohol, or phenols such as octylphenol, nonylphenol, and dodecylphenol.

In a preferred embodiment of the invention, the linear surfactant (C) according to the invention is: C _j H _2j+1 -O-(EO) _e -H; C _j H _2j+1 -O -(EO) _f (PO) _g -H (which is derived from the addition of EO and PO blocks); C _j H _2j+1 -O-(PO) _f (EO) _g -H (which is EO and PO) Block addition; C _j H _2j+1 -O-(EO) _h (PO) _i (EO) _k -H (which is derived from EO and PO block addition); C _j H _{2j+ 1} -O-(EO) _f (PO) _g -H (which is obtained by random addition of EO and PO).

Wherein j is an integer from 8 to 18; e, f, g, h, i and k are the average addition moles of EO or PO, respectively; e is an integer from 1 to 20; and f is an integer from 1 to 20; g is an integer from 1 to 20; h is an integer from 1 to 10; i is an integer from 1 to 10; and k is an integer from 1 to 10.

In a preferred embodiment of the present invention, the linear surfactant (C) according to the present invention is sold under the trade name SINOPOL 1308FG (manufactured by Sino-Japanese Synthetic Chemical Co., Ltd.), NONION K-204, NONION K-220, NONION K- 230, NONION P-208, NONION P-210, NONION E-202, NONION E-205, NONION S-207, NONION S-220 (made by Nippon Oil & Fat), EMULGEN 103, EMULGEN 220, EMULGEN 350, EMULGEN LS-106 EMULGEN LS-110 (made by Kao Chemical Co., Ltd.).

In a preferred embodiment of the present invention, the cleaning liquid composition is used in an amount of 100 parts by weight based on the basic compound (A), wherein the amount of the linear surfactant (C) is from 1 To 500 parts by weight, preferably 10 to 450 parts by weight, more preferably 20 to 400 parts by weight, if the linear type surfactant (C) is not used at all, the problem of gel formation is liable to occur.

The water (D) according to the present invention is not particularly limited, but it can function as a solvent in the composition of the cleaning liquid according to the present invention, and specifically, for example, ultrapure water (excluding inorganic ions, no organic matter, Bacterium, microparticles and dissolved gases), pure water (water obtained by desalting by ion exchange resin, etc.), distilled water and various functional waters proposed in recent years; preferably ultrapure water or pure water; more preferably Ultra-pure water. Among them, pure water and ultrapure water can be obtained by subjecting tap water to activated carbon, performing ion exchange treatment, and then performing distillation, followed by irradiation with an ultraviolet germicidal lamp or passing through a filter. According to the resistance value of 25 °C, the resistance value is 1MΩ‧cm or more, which can be called pure water, and the resistance value is 10MΩ·Cm or more, which can be called ultrapure water.

In a preferred embodiment of the present invention, the cleaning liquid composition is used in an amount of 100 parts by weight based on the basic compound (A), wherein the water (D) is usually used in an amount of 300 to 25,000 parts by weight; It is preferably from 400 to 20,000 parts by weight; more preferably from 500 to 15,000 parts by weight.

The cleaning liquid composition according to the present invention may preferably further comprise a branched surfactant (E) having the structure represented by the formula (4):

R ₁₁ -O-(EO) _c (PO) _d -H Formula (4);

Wherein: R ₁₁ is selected from the group consisting of a C6 to C20 branched alkyl group, a C6 to C20 branched chain alkenyl group, a C6 to C20 branched chain fluorenyl group, and a C6 to C14 branched alkyl group substituted phenyl group. a group consisting of; c represents an integer from 1 to 20; and d represents an integer from 0 to 20.

c and d are the average addition mole numbers of EO and PO, respectively; when n represents an integer from 1 to 20, the arrangement of (EO) and (PO) may be a block type or a random type.

The branched surfactant (E) according to the present invention may be used singly or in combination of plural kinds.

(EO) _c (PO) _d may be composed of an ethoxy group alone or an ethoxy group and a propoxy group. When (EO) _c (PO) _{d is} composed of an ethoxy group and a propoxy group, the arrangement of EO and PO may be a block type or a random type. When the arrangement of EO and PO is a block type, the number of blocks of EO and the number of blocks of PO may be one or two or more, as long as the average addition molar number is within the above range. Further, when the number of blocks composed of EO is two or more, the number of repetitions of EO in each block may be the same or different. When the number of blocks of PO is two or more, the number of repetitions of PO in each block may be the same as or different from each other.

When the arrangement of EO and PO is block type or random type, if the molar ratio of EO to PO (M _EO /M _PO ) is 9.5/0.5 to 5/5, high water solubility can be achieved. On the other hand, c is preferably from 1 to 15; more preferably from 1 to 10. In still another aspect, d is preferably from 1 to 15; more preferably from 1 to 10. c+d is preferably from 2 to 30; more preferably from 2 to 20.

In a preferred embodiment of the present invention, the branched surfactant (E) according to the present invention is sold under the trade name SINOPOL E8002, SINOPOL E8003, SINOPOL E8008 or SINOPOL E8015 (manufactured by Sino-Japanese Synthetic Chemicals) Lutensol TO3, Lutensol TO5 Lutensol TO7, Lutensol TO10 (manufactured by BASF), Newcol 1004, Newcol 1006, Newcol 1008, Newcol 1020 (manufactured by Nippon Emulsifier), NONION EH-204, NONION EH-208 (manufactured by Nippon Oil Co., Ltd.), and the like.

In a preferred embodiment of the present invention, the cleaning liquid composition is used in an amount of 100 parts by weight based on the basic compound (A), wherein the amount of the branched surfactant (E) is from 5 It is preferably from 15 to 450 parts by weight, more preferably from 25 to 400 parts by weight, to 500 parts by weight. When the amount of the branched surfactant (E) is from 5 to 500 parts by weight, a defoaming composition which is excellent in defoaming property can be obtained.

The cleaning liquid composition according to the present invention may preferably further comprise an additive (F), the selection and proportion of which are determinable by those of ordinary skill in the art to which the present invention pertains, for example: defoaming agent, chelate Mixtures, antioxidants, pH adjusters, buffer solvents, preservatives, water-soluble organic solvents, dispersants, and the like.

The antifoaming agent according to the present invention is specifically, for example, a polyoxyxene system, a higher alcohol system, a polyether system, a fatty acid ester system, a polyethylene glycol system, a mineral oil system, and a compound represented by the formula (5). :

Wherein r represents an integer of 1 or 2; and R _a represents a functional group represented by the formula (6):

Wherein t represents an integer from 3 to 7.

Specific examples of the compound represented by the above formula (5) are: trade name Surfynol MD-20, Surfynol MD-30 (manufactured by Air Products and Chemicals Co., Ltd.).

The antifoaming agent according to the present invention may be used singly or in combination of plural kinds or more.

Specific examples of the chelating agent according to the present invention are: ethylenediaminetetraacetic acid (salt) (EDTA), diethylenetriaminepentaacetic acid (salt) (DTPA), triethylenetetramine hexaacetic acid (salt) (TTHA), Hydroxyethylethylenediaminetriacetic acid (salt) (HEDTA), dihydroxyethylethylenediaminetetraacetic acid (salt) (DHEDDA), nitrilotriacetic acid (salt) (NTA), hydroxyethylimido Acetic acid (salt) (HIDA), β-alanine diacetic acid (salt), aspartic acid diacetic acid (salt), methyl glycine diacetic acid (salt), iminodisuccinic acid (salt), Amino groups such as serine diacetate (salt), hydroxyiminodisuccinic acid (salt), dihydroxyethylglycine (salt), aspartic acid (salt), glutamic acid (salt), etc. Polycarboxylic acid (salt); hydroxycarboxylic acid (salt), tartaric acid (salt), citric acid (salt), gluconic acid (salt), etc. hydroxycarboxylic acid (salt); methyl diphosphonic acid (salt), amine III (methylene phosphonic acid) (salt), 1-hydroxyethylidene-1,1-diphosphonic acid (salt), ethylenediaminetetrakis (methylene phosphonic acid) (salt), hexamethylenediamine (Asian) Methyl phosphonic acid) (salt), propylenediamine tetra (methylene phosphonic acid) (salt), diethylenetriamine penta (methylene phosphonic acid) (salt), triethylenetetramine hexa (methylene phosphine) Acid) (salt), triamine triethylamine Methylene phosphonic acid) (salt), trans-1,2-cyclohexanediamine tetra (methylene phosphonic acid) (salt), glycol ether diamine tetra (methylene phosphonic acid) (salt), four a phosphonic acid (salt) such as ethylene pentaamine (methylene phosphonic acid) (salt); a condensed phosphoric acid (salt) such as metaphosphoric acid (salt), tripolyphosphoric acid (salt) or hexametaphosphoric acid (salt). The above-mentioned chelating agents may be used singly or in combination of plural kinds or more.

Specific examples of the antioxidant according to the present invention are: 2,6-di-tert-butylphenol, 2-tert-butyl-4-methoxyphenol, 2,4-dimethyl-6-third a phenol type such as butyl phenol; monooctyldiphenylamine, monodecyldiphenylamine, 4,4'-dibutyldiphenylamine, 4,4'-dipentyldiphenylamine, tetrabutyldiphenylamine, tetrahexyl Amines such as diphenylamine, α-naphthylamine, phenyl-α-naphthylamine; phenothiazine, pentaerythritol tetrakis(3-laurylthiopropionate), bis(3,5-tributyl) Sulfur based on bis(3,5-t-butyl-4-hydroxybenzylsulfide); bis(2,4-di-t-butylphenyl)diphosphite A phosphorus system such as pentaerythritol ester, monophenylisobutyl phosphite, diphenyl diisooctyl phosphite, or triphenyl phosphite. The above-mentioned antioxidants may be used singly or in combination of plural kinds or more.

Specific examples of the pH adjuster according to the present invention include inorganic acids such as hydrochloric acid, sulfuric acid, nitric acid, sulfamic acid, and phosphoric acid; and inorganic bases such as lithium hydroxide, sodium hydroxide, and potassium hydroxide. The above-mentioned pH adjusters may be used singly or in combination of plural kinds or more.

Specific examples of the buffer solvent according to the present invention are: organic acids and salts of formic acid, acetic acid, succinic acid, lactic acid, malic acid, butyric acid, maleic acid, pyruvic acid, malonic acid, gallic acid, and the like. A mineral acid such as phosphoric acid or boric acid or a salt thereof. The above-mentioned buffering solvents may be used singly or in combination of plural kinds or more.

Specific examples of the preservative according to the present invention are: triazine derivatives such as hexahydro-1,3,5-tris(hydroxyethyl)-s-triazine; 1,2-benzisothiazole Isothiazolin derivatives such as oxa-3-one, 2-methyl-4-isothiazolin-3-one, 5-chloro-2-methyl-4-isothiazolin-3-one; a morpholine derivative such as 4-(2-nitrobutyl)morpholine or 4,4-(2-ethyl-2-nitrotrimethylene)dimorpholine; 2-(4-thiazolyl)benzene A benzimidazole derivative such as imidazole or the like. The above-mentioned preservatives may be used singly or in combination of plural kinds or more.

The water-soluble organic solvent according to the present invention preferably has a solubility in water of 3 (g/100 g) or more at 20 ° C, more preferably 10 or more, and specific examples thereof are: dimethyl hydrazine, cyclobutyl hydrazine, and 3- Anthraquinones such as methylcyclobutyl hydrazine and 2,4-dimethylcyclobutyl hydrazine; hydrazines such as dimethyl hydrazine, diethyl hydrazine, and bis(2-hydroxyethyl) hydrazine; N, N-dimethyl Amidoxime, such as carbamide, N-methylformamide, N,N-dimethylacetamide, N,N-dimethylpropionamide; N-methyl-2-pyrrolidone, N -Indoleamines such as ethyl-2-pyrrolidone and N-hydroxymethyl-2-pyrrolidone; β-propiolactone, β-butyrolactone, γ-butyrolactone, γ-valerolactone, δ- Lactones such as valerolactone; alcohols such as methanol, ethanol, isopropanol; ethylene glycol, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, diethylene glycol, diethylene glycol Monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, diethylene glycol monohexyl ether, diethylene glycol monophenyl ether, triethylene glycol monomethyl ether, propylene glycol , propylene glycol monomethyl ether, dipropylene glycol monomethyl ether, 1,3-butylene glycol, diethylene glycol dimethyl ether, diethylene glycol diethyl ether, triethyl Ethylene glycol and glycol ethers such as alcohol dimethyl ether and triethylene glycol triethyl ether; N-methyl-2-oxazolidinone, 3,5-dimethyl-2-oxazole An oxazolidinone such as an alkyl ketone; a nitrile such as acetonitrile, propionitrile, butyronitrile, acrylonitrile, methacrylonitrile or benzonitrile; carbonates; ethylene carbonate and propylene carbonate A carbonate such as an ester; a ketone such as acetone, diethyl ketone, acetophenone, methyl ethyl ketone, cyclohexanone, cyclopentanone or diacetone; a cyclic ether such as tetrahydrofuran or tetrahydropyran. The above-mentioned water-soluble organic solvents may be used singly or in combination of plural kinds or more.

Specific examples of the dispersant according to the present invention are: hydroxyethyl cellulose, cationized cellulose, hydroxymethyl cellulose, hydroxypropyl cellulose, guar gum, cationized guar gum, three Polysaccharides and derivatives thereof, such as xanthan gum, alginate, cationized starch; phytic acid, bis(polyoxyethylene) alkyl ether phosphate, tris(polyoxyethylene) alkyl ether A polyvinyl alcohol (poval) such as phosphoric acid and a phosphate thereof. The above dispersing agents may be used singly or in combination of plural kinds or more.

In a preferred embodiment of the present invention, the cleaning liquid composition is used in an amount of 100 parts by weight based on the basic compound (A), and the antifoaming agent is used in an amount of 0.1 to 10 parts by weight, preferably 0.3 to 9 parts by weight, more preferably 0.5 to 8 parts by weight; the chelating agent is usually used in an amount of 30 parts by weight or less, preferably 1 to 20 parts by weight, more preferably 3 to 20 parts by weight; an antioxidant, a buffer solvent The amount of the preservative and the dispersing agent to be used is usually 10 parts by weight or less, preferably 8 parts by weight or less, more preferably 5 parts by weight or less, and the pH adjusting agent is usually used in an amount of 90 parts by weight or less, preferably 85 parts by weight or less. The amount is preferably 80 parts by weight or less or less; the amount of the water-soluble organic solvent used is usually 500 parts by weight or less, preferably 400 parts by weight or less, more preferably 300 parts by weight or less.

Those skilled in the art to which the present invention pertains can formulate the components as needed to obtain the cleaning liquid composition. In a preferred embodiment of the invention, the composition has a surface tension at 25 ° C of from 15 to 45 dyne/cm, preferably from 20 to 40 dyne/cm, more preferably from 25 to 35 dyne/cm. When the surface tension of the cleaning composition at 25 ° C is 15 to 45 dyne/cm, the cleaning power to the substrate is good.

The present invention also provides a method of cleaning a substrate using the aforementioned cleaning liquid composition.

The detailed operational steps of using the cleaning fluid composition according to the present invention to clean the substrate can be well known to those of ordinary skill in the art to which the present invention pertains, for example, using a soaking method, immersing the substrate in a composition containing the cleaning liquid. container. It can also be scrubbed, sprayed, sprayed or sprayed with a brush or sponge; it is also preferable to use ultrasonic cleaning for efficiency or foam cleaning.

The substrate suitable for the present invention is preferably a glass substrate such as soda lime glass, borosilicate glass, cerium oxide glass or alkali-free glass.

The invention is illustrated by the following examples, which are not intended to be limited to the scope of the invention.

The cleaning liquid composition was prepared in the proportions of Tables 1 and 2 below.

Comment Price method:

The evaluation results are shown in Table 1 above. It is understood that the cleaning liquid composition of the present invention has the advantages of good defoaming property and low gel formation amount.

Surface Tension:

The composition of the washing liquid was controlled at 25 ° C with a constant temperature water bath, and the surface tension was measured using a surface tension meter (Tensiometer Model CBVP-A2, manufactured by Kyowa Interface Science Co., Ltd.). (Unit: dyne/cm)

Defoaming:

Take 50ml of the washing liquid composition, pour into a 100ml measuring cylinder, shake up and down 20 times, measure the foam height (T1), and after standing for 30 seconds, measure the foam height (T2) again, and evaluate according to the following criteria:

Defoaming rate (%) = (T1-T2) / T1 × 100%

○: defoaming rate>80%

△: 50% < defoaming rate ≦ 80%

╳: defoaming rate ≦ 50%

Gel production:

After the detergent composition was diluted to 5% with water, the glass substrate having a size of 1.5 m x 1.85 m was washed and controlled at 40 ° C with a constant temperature water bath. Next, after cleaning 3,000 glass substrates, the weight of the gel formed by the washing liquid and the dirt in the sieve was measured and evaluated according to the following criteria:

○: Gel production amount <10g

△: 10g ≦ gel formation amount <100g

╳: Gel production amount ≧100g

The above-described embodiments are merely illustrative of the principles and effects of the invention, and are not intended to limit the invention. Modifications and variations of the embodiments described above will be apparent to those skilled in the art without departing from the spirit of the invention. The scope of the invention should be as set forth in the appended claims.

Claims (6)

A cleaning liquid composition comprising: a basic compound (A); a fluorine-containing compound (B) having a structure represented by the formula (1), RA formula (1); a linear surfactant (C) ) having the structure shown in formula (2), R ₁₀ -O-(EO) _a (PO) _b -H (2); and water (D); wherein: R has the formula (3) Structure of the show, R ₁ to R ₉ are each independently selected from the group consisting of H, CH ₃ , F, CH ₂ F, CHF ₂ , CF ₃ , CF ₂ CF ₃ and CF ₂ CF ₂ CF ₃ ; CH ₃ , F, CH ₂ F, CHF ₂ , CF ₃ , CF ₂ CF ₃ , CF ₂ CF ₂ CF ₃ , -O(CH ₂ CH ₂ O) _m -CH ₃ , -O(CH ₂ ) _n OH, a group consisting of -O(CH ₂ ) _n OR and -OAr, m represents an integer from 1 to 50; n represents an integer from 4 to 20; and Ar represents a p-CH ₂ X substituent or a single R _b substituent Monocyclic or polycyclic aromatic groups; X represents halogen; p represents an integer from 2 to 5; R _b is selected from CH ₂ CH ₂ OH, NH ₂ , SO ₃ Na, , -(COOM _x ) _q , -T-(CH ₂ ) ₃ -N ⁺ (CH ₃ ) ₃ ‧I ^- , and a group consisting of; Y represents H or methyl; M _x is selected from the group consisting of H, Na, K, Li, ammonium, tetramethylammonium, tetraethylammonium and tetrabutylammonium; or ; U represents a hydrogen atom or an aromatic group; Z represents H or an alkyl group; R _c represents or W represents H or methyl; s represents an integer from 1 to 140; q represents 1 or 2; and R ₁₀ is selected from a linear alkyl group of C8 to C18, a linear alkenyl group of C8 to C18, and a C8 to C18 straight a group consisting of a chain thiol group and a phenyl group substituted with a linear alkyl group of C8 to C12; EO represents an ethoxy group; PO represents a propoxy group; a represents an integer of 1 to 20; and b represents an integer of 0 to 20 The amount of the basic compound (A) to be used is 100 parts by weight, wherein the fluorine-containing compound (B) is used in an amount of from 0.2 to 140 parts by weight; and the linear surfactant (C) is used in an amount of from 1 to 1 500 parts by weight; and water (D) are used in an amount of from 300 to 25,000 parts by weight. The detergent composition according to claim 1, wherein each of R ₁ to R ₉ is different. A cleaning composition according to claim 1, wherein at least two of R ₁ to R ₉ are the same. The cleaning liquid composition according to claim 1, which further comprises a branched surfactant (E) having a structure represented by the formula (4), R ₁₁ -O- (EO) _c (PO) _d -H Formula (4); R ₁₁ is selected from a C6 to C20 branched alkyl group, a C6 to C20 branched alkenyl group, a C6 to C20 branched chain fluorenyl group and a group consisting of C6 to C14 phenyl groups substituted with a branched alkyl group; c represents an integer of 1 to 20; and d represents an integer of 0 to 20; and the amount used based on the basic compound (A) is 100 parts by weight, The branched surfactant (E) is used in an amount of from 5 to 500 parts by weight. A cleaning composition according to claim 1, wherein the composition has a surface tension of from 15 to 45 dyne/cm at 25 °C. A method of cleaning a substrate using the cleaning liquid composition according to any one of claims 1 to 5.