KR101782883B1 - Process for cleaning and label removal for bottles - Google Patents

Abstract

A method of cleaning and / or labeling a glass, ceramic or plastic article by a liquid cleaning composition at a processing temperature of less than 80 占 폚, wherein the liquid cleaning composition comprises an amount of from about 0.001% to about 10% An active ingredient and an alkali source in an amount of about 0.5% to about 3.5% by weight, wherein the active ingredient is selected from the group consisting of a) a phosphonic acid, a phosphonate-based sequestrant, and / or a monoethylenically unsaturated C ₃ -C ₈ At least one quencher selected from the group of polymers of monomers of carboxylic acid or its salts; b) at least one C ₄ to C ₁₈ hydroxymonocarboxylic acid or salt thereof.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a process for cleaning and labeling bottles,

The present invention relates to a process for cleaning bottles. More particularly, the present invention relates to an improved method for cleaning bottles, including removal of bottle labels in bottle cleaning plants.

Many beverages sold outside North America produce reusable glass bottles. According to current estimates, worldwide annual production reaches 5 billion reusable glass bottles.

In a known process, the recoverable bottle for beverage is cleaned in a bottle cleaning machine using an additive containing sodium hydroxide heated to 85 占 폚 or higher. High temperature caustic cleaning of reusable glass, ceramics and plastic bottles at temperatures above 85 ° C is associated with increased energy consumption.

Many of these reusable bottles have labels attached by adhesives. These labels need to be removed from the cleaning process in the bottle cleaning plant. In addition, residues, such as dirt, fungi, and dead yeast cells, need to be removed during the cleaning process of the bottle cleaning plant.

The reuse of glass bottles requires that the bottle be kept aesthetically interesting during their lifetime. When the bottle itself is washed out and aged, they are no longer interested and are thrown away before their useful life is reached. This lack of durability can be appreciated in view of the impact on the hot, alkaline bottle washing process. The detergent used in the high-temperature bottle washing process at a temperature of 85 ° C or higher is designed to be invasive against dirt, and can also deteriorate the bottle by deterioration and shorten the useful life of the bottle. The deterioration of the bottle is undesirable because of the negative impact on the brand image, consumer purchase and quality of beverage packaging.

Thus, there is a need for a bottle cleaning process that minimizes energy consumption, damage to the appearance of the vial while providing sufficient dirt removal.

SUMMARY OF THE INVENTION

It is an object of the present invention to provide a cleaning process that minimizes energy consumption for cleaning glass, ceramic, metal and / or plastics products, such as bottles, in a bottle cleaning plant, while providing sufficient dirt removal and good label removal properties. Process.

According to the present invention there is provided a process for cleaning and / or labeling a glass, ceramic or plastic article with a liquid cleaning composition at a temperature below 80 ° C, wherein the liquid cleaning composition comprises a quantity of about ≥ 0.001% to about ≤ 10% Of an active ingredient and an alkali source in an amount of about 0.5% to about 3.5% by weight, wherein the active ingredient

(a) at least one quaternizing agent selected from the group of phosphonic acid, phosphonate-based quaternary agents, and / or monomers of monoethylenically unsaturated C ₃ -C ₈ -carboxylic acids or salts thereof; (b) at least one C ₄ to C ₁₈ hydroxymonocarboxylic acid or salt thereof,

Wherein the weight percent of active ingredient is based on the total weight of the liquid cleansing composition.

A solvent, preferably water, may be added to the cleaning composition of the present invention in an amount of 100% by weight. The solvent content, preferably the water content, of the cleaning composition according to the invention is simply determined by subtracting the amount of all active ingredients from 100% by weight.

Weight (% by weight), unless otherwise stated, is calculated for the total weight of the liquid cleaning composition. The total weight of all components of the liquid cleansing composition does not exceed 100% by weight.

The liquid cleansing composition preferably comprises about 0.003% by weight, preferably about 0.006% by weight, more preferably about 0.01% by weight, more preferably about 0.05% by weight, more preferably about 0.1% By weight of the active ingredient.

Surprisingly, the process of the present invention can be used for cleaning and labeling glass, ceramic, metal and / or plastic products such as bottles, preferably in bottle cleaning plants, while providing sufficient dirt removal and good label removal properties. And minimizes energy consumption. For example, the bottle label can be removed in a soaking bath containing the cleaning composition used in the process of the present invention, preferably at a lower temperature than in the prior art, preferably in the wetting bath of the bottle cleaning plant .

The active ingredient may be added to the cleaning composition in the form of an acid and / or a salt thereof.

The cleaning composition can be obtained by adding a liquid cleaning additive comprising the active ingredient.

The liquid cleansing additive comprising the active ingredient may be an acid or an alkaline solution. The liquid cleaning additive may be a concentrated solution. The concentrated liquid cleaning additive may be further diluted by mixing the solvent, preferably water.

The active ingredient (s), liquid cleansing additive (s) and / or liquid cleansing composition (s) of the present invention may be formulated as a dyestuff, a color transfer inhibitor, an anti- redeposition agent, an optical brightener, Oil and water repellents, color fastness agents, starch / sizing agents, fiber softeners, anti-microbials, fungicides, UV absorbers, thickeners, oxidants, fragrances and / It is to be understood that they may not contain at least one additive, preferably all of these additives, selected from the group of the above-mentioned additives, or mixtures thereof.

Surprisingly, it has been found that the defined weight ratio of component (a) of at least one quaternizer to at least one of the C ₄ to C ₁₈ hydroxymonocarboxylic acids or salts thereof (b) used according to the process of the present invention is sufficient Removal and excellent label removal properties.

According to an embodiment of the present invention, the weight ratio of the active ingredient (a) of one or more sequestrants to one or more of the C ₄ to C ₁₈ hydroxymonocarboxylic acids or salts thereof (b) is from about 6: 1 to about 1: 6 , Preferably from 5: 1 to 1: 5, further preferably from 4: 1 to 1: 4, more preferably from 3: 1 to 1: 3.

The ratios of the components as referred to are by weight unless otherwise indicated in the specification.

The active ingredient used according to the method of the present invention may further comprise one or more active ingredient (c) of a phosphate-based or phosphate-based ingredient. For example, the active ingredient (c) preferably comprises phosphoric acid, sodium phosphate, potassium phosphate, pyrophosphoric acid, sodium pyrophosphate, potassium pyrophosphate, and mixtures thereof.

Solvents containing water are not considered active ingredients.

The active ingredient used according to the process of the present invention is selected from the group consisting of the active of at least one amphoteric alkoxylated C ₆ to C ₂₄ alcohol amine surfactant containing from 4 to 18 alkylene oxide units of ethylene oxide and / or propylene oxide or its salt May further comprise component (d).

The process of dirt removal at a lower process temperature and the process of good label debubbing properties can be achieved by adding one or more non-terminally capped nonionic alkoxylated C ₆ to C ₂₄ alkylene oxide units containing from about 1 to about 30 alkylene oxide units Can be improved by adding an active ingredient of an alcohol surfactant.

The addition of the active ingredient of one or more alkyl end-capped nonionic alkoxylated C ₈ to C ₁₈ alcohol surfactants containing from 4 to 16 alkylene oxide units of ethylene oxide and / It is possible to further improve the dirt removal and the excellent label removing property at lower process temperatures.

According to embodiments of the method of the present invention, the active ingredient of at least one amphoteric alkoxylated C ₆ to C ₂₄ alcohol amine surfactant containing from 4 to 18 alkylene oxide units of ethylene oxide and / or propylene oxide or a salt thereof, (d); And an anti-foam forming agent selected from the group of one or more anti-foam forming agents, preferably silicon-based defoaming agents; And / or one or more alkyl end-capped nonionic alkoxylated C ₈ to C ₁₈ alcohol surfactants containing from 4 to 16 alkylene oxide units of ethylene oxide and / or propylene oxide. Active ingredients may be used

The process according to the invention is characterized in that the weight ratio of the quaternizing agent (a) to the C ₄ to C ₁₈ hydroxymonocarboxylic acid or salt thereof (b) is from about 5: 1 to about 1: 5, preferably about 4: 1 To about 1: 4, more preferably from about 3: 1 to about 1: 3, and more preferably from about 2: 1 to about 1: 2, Can be further optimized.

Improved decontamination at lower process temperatures and good label debonding properties can be achieved by the fact that the weight ratio of phosphate-based or phosphate-based component (c) to active ingredient of (a) is from about 10: 1 to about 1:10, Preferably from about 2: 1 to about 1: 2, more preferably from about 1.5: 1 to about 1: 1, even more preferably from about 3: 1 to about 1: 1.2: 1, it can be achieved according to the method of the present invention.

According to an embodiment of the method of the present invention, the weight ratio of the amphoteric surfactant (d) to the active ingredient of the C ₄ to C ₁₈ hydroxymonocarboxylic acid or salt thereof (b) is from about 10: 1 to about 1:10 , Preferably from about 5: 1 to about 1: 5, even more preferably from about 3: 1 to about 1: 3, even more preferably from about 2: 1 to about 1: 2, To about 1.5: 1.

The process of the present invention is characterized in that the weight ratio of the alkyl endcapped nonionic surfactant (f) to the active ingredient of the non-endcapped nonionic surfactant (e) is from about 10: 1 to about 1:10, preferably from about 5 : 1 to 1: 5, even more preferably from about 4: 1 to about 1: 4, and even more preferably from about 3: 1 to about 1: 3, more preferably from about 2.6: 1 to about 2.3: 1 May be preferred.

It is to be understood that the active ingredients, liquid cleansing additives and / or liquid cleansing compositions of the present invention may not contain component (c) of one or more phosphate-based or phosphate-based components.

The active ingredient, liquid cleansing additive and / or liquid cleansing composition of the present invention may contain one or more amphoteric alkoxylated C ₆ to C ₂₄ alcohols containing from 4 to 18 alkylene oxide units of ethylene oxide and / or propylene oxide or a salt thereof It is to be understood that it may not contain the active component (d) of the amine surfactant.

The active ingredient, liquid cleansing additive and / or liquid cleansing composition of the present invention comprises at least one non-terminally capped nonionic alkoxylated C ₆ to C ₂₄ alcohol surfactant containing from about 1 to about 30 alkylene oxide units But it may not be included.

The active ingredient, liquid cleansing additive and / or liquid cleansing composition of the present invention may contain one or more alkyl end-capped nonionic alkoxylated C ₈ to C ₁₂ alkylene oxide units containing from 4 to 16 alkylene oxide units of ethylene oxide and / C ₁₈ alcohol surfactant. ≪ / RTI >

The active ingredient, liquid cleansing additive and / or liquid cleansing composition of the present invention may contain one or more phosphoric acid-based or phosphate-based ingredients of active ingredient (c) and 4 to 18 alkylene oxide units of ethylene oxide and / or propylene oxide or its salts (D) of one or more amphoteric alkoxylated C ₆ to C ₂₄ alcohol amine surfactants containing at least one alkoxylated C ₆ to C ₂₄ alcohol amine surfactant.

The active ingredient, liquid cleansing additive and / or liquid cleansing composition of the present invention may comprise one or more phosphoric acid-based or phosphate-based component (c) and from 4 to 18 alkylene oxide units of ethylene oxide and / or propylene oxide or its salt (D) of at least one amphoteric alkoxylated C ₆ to C ₂₄ alcohol amine surfactant containing from about 1 to about 30 alkylene oxide units and at least one non-terminally capped nonionic alkoxylated (E) of the C ₆ to C ₂₄ alcohol surfactant, and / or one or more alkyl end-capped nonionic alkoxylated C (meth) acrylates containing 4 to 16 alkylene oxide units of ethylene oxide and / ₈ to < RTI ID = 0.0 > _C18 < / RTI > alcohol surfactant.

The active ingredient, liquid cleansing additive and / or liquid cleansing composition of the present invention may contain one or more amphoteric alkoxylated C ₆ to C ₂₄ alcohols containing from 4 to 18 alkylene oxide units of ethylene oxide and / or propylene oxide or a salt thereof (E) of one or more non-terminally capped nonionic alkoxylated C ₆ to C ₂₄ alcohol surfactants containing component (d) of amine surfactant and from about 1 to about 30 alkylene oxide units, and Capped nonionic alkoxylated C ₈ to C ₁₈ alcohol surfactant containing from 4 to 16 alkylene oxide units of ethylene oxide and / or propylene oxide It should be understood.

The active ingredient, liquid cleansing additive and / or liquid cleansing composition of the present invention comprises at least one phosphoric acid-based or phosphate-based component (c) and from 4 to 18 alkylene oxide units of ethylene oxide and / or propylene oxide or a salt thereof (D) of at least one amphoteric alkoxylated C ₆ to C ₂₄ alcohol amine surfactant, wherein at least one amphoteric alkoxyl containing at least one alkylene oxide unit containing 4 to 18 alkylene oxide units of ethylene oxide and / One or more non-terminally capped nonionic alkoxylated C ₆ to C ₂₄ alcohol surfactants containing component (d) of a miscible C ₆ to C ₂₄ alcohol amine surfactant and from about 1 to about 30 alkylene oxide units Of component (e) and / or 4 to 16 alkylene oxide units of ethylene oxide and / or propylene oxide Quot; may be free of components of one or more alkyl end-capped nonionic alkoxylated C ₈ to C ₁₈ alcohol surfactants.

The active ingredient used in the process of the present invention may be added to the alkali solution in the form of a concentrate or in diluted form to provide a liquid cleansing composition. The concentrated liquid cleaning additive may be diluted in its diluted form with a solvent, preferably water. The diluted liquid cleaning additive may be added to the alkaline solution to create a liquid cleaning composition.

After pretreating glass, ceramic or plastic bottles, preferably glass and / or ceramic bottles with an alkaline solution for cleaning residues such as dirt, fungi and dead yeast cells, And / or with a liquid cleaning composition for label removal. Alternatively, from the start, it can be seen that the liquid cleaning composition can be used to clean residues of glass, ceramic or plastic products, such as dirt, fungi, and dead yeast cells, Can be used.

Suitable bottle cleaning plants that can be used in the method of the present invention are, for example, single-end-bottle washer or double-end-bottle washer.

According to embodiments of the present invention, the concentrated liquid cleaning additive

(a) from about 1 wt.% to about 30 wt.%, preferably from about 2 wt.% to about 20 wt.%, more preferably from about 5 wt.% to about 15 wt. salt,

(b) from about 1 wt.% to about 10 wt.%, preferably from about 3 wt.% to about 8 wt.%, more preferably from about 4 wt.% to about 6 wt. Salts, or polymers of monomers of monoethylenically unsaturated C ₃ -C ₈ -carboxylic acids or their salts,

(c) from about 0 wt% to about 20 wt%, preferably from about 5 wt% to about 15 wt%, more preferably from about 6 wt% to about 10 wt% phosphoric acid or a salt thereof ,

(d) from about 0 wt% to about 20 wt%, preferably from about 3 wt% to about 15 wt%, more preferably from about 5 wt% to about 10 wt% ethylene oxide and And / or at least one amphoteric alkoxylated C ₆ to C ₂₄ alcohol amine surfactant, preferably 10 to 14 alkylene oxide units, or salts thereof, containing from 4 to 18 alkylene oxide units of propylene oxide Amphoteric alkoxylated C ₁₂ to C ₁₄ alcohol amine surfactants;

(e) from about 0 wt% to about 40 wt%, preferably from about 1 wt% to about 35 wt%, even more preferably from about 10 wt% to about 30 wt% At least one alkyl terminated nonionic alkoxylated C ₈ to C ₁₈ alcohol interfacial surface containing from about 15 wt% to about 25 wt% of 4 to 16 alkylene oxide units of ethylene oxide and / or propylene oxide Butyl endcapped nonionic alkoxylated C ₁₂ to C ₁₈ alcohol surfactants containing an activator, preferably 8 to 10 alkylene oxide units of ethylene oxide; And / or at least one non-terminally capped nonionic alkoxylated C ₈ to C ₁₈ alcohol surfactant containing from 4 to 16 alkylene oxide units of ethylene oxide and / or propylene oxide, preferably from 2 to 4 At least one non-terminally capped nonionic alkoxylated C ₁₂ to C ₁₄ alcohol surfactant containing ethylene oxide units and from 3 to 5 propylene oxide units;

(f) a solvent which is added in an amount of 100% by weight, preferably water,

Wherein the weight percent of the components of the concentrated liquid cleaning additive is based on the total weight of the concentrated liquid cleaning additive and does not exceed 100 weight percent.

Alternatively, the liquid cleaning additive may be present in diluted form. The diluted liquid cleaning additive that may be used in the process of the present invention may contain from about 0.01 wt.% To about 10 wt.%, Preferably from about 0.05 wt.% To about 5 wt.%, And more preferably from about. More preferably from about 1 wt% to about 2 wt%, and even more preferably from about 0.15 wt% to about 1 wt%, and more preferably from about 0.2 wt% to about 0.5 wt%, even more preferably from about 0.25 wt% % To about 0.5 wt.%, More preferably about 0.3 wt.% To about 0.4 wt.% Of a concentrated additive, and one or more solvents, preferably water, can be added in an amount of 100 wt.%.

Alkali solution

According to the method of the present invention, a liquid cleaning composition comprising an alkaline source having a pH in the range of about ≥ 10 pH, preferably ≥ 12 pH, more preferably ≥ 13 pH to ≤ 14 pH can be used.

The cleaning composition can be obtained by adding the active ingredient to an alkali solution.

The alkali solution or liquid cleansing composition which may be used in the process of the present invention may contain from about 0.5 wt% to about 3.5 wt%, preferably from about 1 wt% to about 3 wt%, more preferably from about 1.25 wt% More preferably from about 1.3 wt% to about 2.5 wt%, and even more preferably from about 1.5 wt% to about 2.3 wt%, even more preferably from about 1.7 wt% to about 2.75 wt% By weight of water, more preferably from about 1.5% by weight to about 2.0% by weight of an alkali source, preferably sodium hydroxide, and wherein at least one solvent, preferably water, Lt; / RTI > Here, the weight percentage of the alkali source is based on the total weight of the alkaline solution or liquid cleansing composition.

Liquid cleaning composition

The liquid cleansing composition may be obtained by adding the active ingredient or liquid cleansing additive, preferably a concentrated liquid cleansing additive, more preferably a diluted liquid cleansing additive, to the alkaline solution. Thus, the liquid cleansing composition may be an alkaline solution containing the active ingredient.

According to the method of the present invention, the pH of the liquid cleansing composition used in the method of the present invention is in the range of about ≥ 10 pH, preferably ≥ 12 pH, more preferably ≥ 13 pH to ≤ 14 pH. The use of an alkaline liquid cleaning composition makes it possible to remove dirt as needed in the bottle cleaning process.

In a conventional bottle cleaning plant for cleaning glass, ceramic or plastic products and removing labels therefrom, the process temperature of the wetting solution is about 85 ° C. According to the present invention, the process temperature of the wetting bath of about 85 캜 can be lowered to a temperature of less than 80 캜, which saves energy.

Additionally, the use of a liquid cleaning composition allows bottle cleaning and label removal processes to proceed at lower temperatures. The method of the invention saves energy compared to standard cleaning conditions of < RTI ID = 0.0 > 85 C < / RTI > used in bottle cleaning plants for bottle cleaning and label removal.

The process of the present invention is preferably carried out in the range of about < RTI ID = 0.0 > 30 C < / RTI > to < RTI ID = 0.0 > 78 C, < / RTI > Ceramic, or plastic product in a bottle cleaning plant at process temperatures in the range of > = 55 [deg.] C to 70 [deg.] C, more preferably in the range of about & For example, cleaning and label removal, preferably bottle cleaning and label removal.

As already mentioned above, label stripping is preferably carried out at a temperature in the range of about < RTI ID = 0.0 > 30 C ~ 78 C, < / RTI > More preferably from about < RTI ID = 0.0 > 55 C < / RTI > to < RTI ID = 0.0 > 70 C, < / RTI >

The label removal time obtained using the liquid cleaning composition in the method of the present invention is in the range of > 60 seconds to < 480 seconds, preferably in the range of > 120 seconds to 420 seconds, more preferably > 150 seconds to & And further preferably in the range of ≥ 180 seconds to ≤ 360 seconds.

The label removal time obtained using the method of the present invention meets the requirement for the label removal time required in the automated cleaning and label removal process of the bottle.

The liquid cleansing composition comprises from about 0.003 wt% to about 0.035 wt%, preferably from about 0.01 wt% to about 0.03 wt%, more preferably from about 0.014 wt% to about 0.022 wt% Or monoethylenically unsaturated C ₃ -C ₈ -carboxylic acid or a salt thereof, preferably a polymer of a monomer of a polyacrylic acid or a salt thereof.

In addition, the cleaning composition may comprise from about 0.003 wt.% To about 0.105 wt.%, Preferably from about 0.007 wt.% To about 0.070 wt.%, More preferably from about 0.01 wt.% To about 0.053 wt. Or a salt thereof.

The cleaning composition may comprise from about 0 wt% to about 0.07 wt%, preferably from about 0.01 wt% to about 0.053 wt%, more preferably from about 0.021 wt% to about 0.035 wt% phosphoric acid or a salt thereof May be desirable.

The liquid cleansing composition comprises from about 0 wt.% To about 0.07 wt.%, Preferably from about 0.01 wt.% To about 0.053 wt.%, More preferably from about 0.017 wt.% To about 0.035 wt.% Ethylene oxide And / or at least one amphoteric alkoxylated C ₆ to C ₂₄ alcohol amine surfactant, preferably 10 to 14 alkylene oxide units or salts thereof, containing 4 to 18 alkylene oxide units of propylene oxide And an amphoteric alkoxylated C ₁₂ to C ₁₄ alcohol amine surfactant.

According to a preferred embodiment, the liquid cleansing composition comprises from about 0 wt% to about 0.14 wt%, preferably from about 0.003 wt% to about 0.123 wt%, more preferably from about 0.035 wt% to about < At least one alkyl terminated nonionic alkoxylated alkylene oxide containing from 0.0105% by weight, more preferably from about 0.052% by weight to about 0.088% by weight, of ethylene oxide and / or from 4 to 16 alkylene oxide units of propylene oxide Butyl endcapped nonionic alkoxylated C ₁₂ to C ₁₈ alcohol surfactant containing a C ₈ to C ₁₈ alcohol surfactant, preferably 8 to 10 alkylene oxide units of ethylene oxide; And / or at least one non-terminally capped nonionic alkoxylated C ₈ to C ₁₈ alcohol surfactant containing from 4 to 16 alkylene oxide units of ethylene oxide and / or propylene oxide, preferably from 2 to 4 At least one non-terminally capped nonionic alkoxylated C ₁₂ to C ₁₄ alcohol surfactant containing ethylene oxide units and from 3 to 5 propylene oxide units.

The liquid cleansing composition preferably comprises from about 0.5 wt% to about 3.5 wt%, preferably from about 1 wt% to about 3 wt%, even more preferably from about 1.25 wt% to about 2.75 wt% More preferably from about 1.3% to about 2.5% by weight, more preferably from about 1.5% to about 2.3% by weight, even more preferably from about 1.7% to about 2.25% by weight, From about < / RTI > 1.5 wt.% To about 2.0 wt.% Alkali source, preferably sodium hydroxide.

To the liquid composition, a solvent, preferably water, may be added in an amount of 100% by weight. The weight percent of the components of the liquid composition is based on the total weight of the liquid cleansing composition, and does not exceed 100 weight percent.

More preferably, the liquid cleaning composition that can be used in the process of the present invention comprises

(a) from about 0.003 wt% to about 0.035 wt%, preferably from about 0.01 wt% to about 0.03 wt%, more preferably from about 0.014 wt% to about 0.022 wt% A salt of a monoethylenically unsaturated C ₃ -C ₈ -carboxylic acid or a salt thereof, preferably a polymer of a monomer of a polyacrylic acid or a salt thereof,

(b) from about 0.003% to about 0.105% by weight, preferably from about 0.007% to about 0.070% by weight, more preferably from about 0.01% to about 0.053% by weight of gluconic acid or a mixture thereof salt,

(c) from about 0 wt% to about 0.07 wt%, preferably from about 0.01 wt% to about 0.053 wt%, more preferably from about 0.021 wt% to about 0.035 wt% phosphoric acid or a salt thereof ,

(d) from about 0 wt% to about 0.07 wt%, preferably from about 0.01 wt% to about 0.053 wt%, more preferably from about 0.017 wt% to about 0.035 wt% ethylene oxide and / RTI > and / or at least one amphoteric alkoxylated C ₆ to C ₂₄ alcohol amine surfactant containing from 4 to 18 alkylene oxide units of propylene oxide, preferably from 10 to 14 alkylene oxide units or salts thereof Amphoteric alkoxylated C ₁₂ to C ₁₄ alcohol amine surfactants;

(e) from about 0 wt.% to about 0.14 wt.%, preferably from about 0.003 wt.% to about 0.123 wt.%, more preferably from about 0.035 wt.% to about 0.0105 wt.%, From about 0.052 wt.% To about 0.088 wt.% Of one or more alkyl terminated nonionic alkoxylated C ₈ to C ₁₈ alcohol interfaces containing 4 to 16 alkylene oxide units of ethylene oxide and / or propylene oxide Butyl endcapped nonionic alkoxylated C ₁₂ to C ₁₈ alcohol surfactants containing an activator, preferably 8 to 10 alkylene oxide units of ethylene oxide; And / or at least one non-terminally capped nonionic alkoxylated C ₈ to C ₁₈ alcohol surfactant containing from 4 to 16 alkylene oxide units of ethylene oxide and / or propylene oxide, preferably from 2 to 4 At least one non-terminally capped nonionic alkoxylated C ₁₂ to C ₁₄ alcohol surfactant containing ethylene oxide units and from 3 to 5 propylene oxide units;

(f) from about 0.5 wt% to about 3.5 wt%, preferably from about 1 wt% to about 3 wt%, further preferably from about 1.25 wt% to about 2.75 wt% Is present in an amount of from about 1.3% to about 2.5% by weight, and more preferably from about 1.5% to about 2.3% by weight, even more preferably from about 1.7% by weight to about 2.25% by weight, An alkali source of > 1.5 wt.% To about 2.0 wt.%, Preferably sodium hydroxide;

(g) a solvent which is added in an amount of 100% by weight, preferably water,

Wherein the weight percent of the component is based on the total weight of the liquid cleansing composition, and does not exceed 100 weight percent.

Subsequently, the components of the active ingredients, liquid cleaning additives, alkyllium solutions and liquid cleansing compositions that can be used in the process of the present invention are described in more detail.

Isolator ( Sequestrant )

The active ingredient, liquid cleansing additive and / or liquid cleansing composition used in the process of the present invention may comprise a) a phosphonic acid, a phosphonate-based quaternizer, and / or a monoethylenically unsaturated C ₃ -C ₈ -carboxylic acid or its And at least one quencher selected from the group consisting of polymers of monomers of the salt. Generally, quenchers are molecules that can coordinate (i.e., combine) with metal ions that are commonly found in natural waters to prevent metal ions from interfering with the action of other wash components of the cleaning composition. Some sequestrants may also act as threshold agents when included in effective amounts.

A variety of phosphonic acid or phosphonate based sequestrants can be used including, for example, organic phosphonates, condensed phosphonates, or mixtures thereof. Such quenchers are commercially available. Suitable condensed phosphonates include sodium and potassium orthophosphonates, sodium and potassium pyrophosphonates, sodium and potassium tripolyphosphonates, sodium hexametaphosphonates, and tripolyphosphonates are preferred.

The sodium salt of the condensed phosphonate is preferred over the corresponding potassium salt. The quencher includes an organic phosphonate such as an organo-phosphonic acid or an alkali metal salt thereof. Some examples of suitable organophosphonic acids and their corresponding phosphonates include the following materials:

1-Hydroxyethane-1,1-diphosphonic acid:

_{CH 3 C (OH) [PO} (OH) 2] 2;

Aminotri (methylenephosphonic acid):

_{N [CH 2 PO (OH)} 2] 3;

Aminotri (methylene phosphonate), sodium salt;

2-hydroxyethyliminobis (methylenephosphonic acid):

HOCH ₂ CH ₂ N [CH ₂ PO (OH) ₂ ] ₂ ;

Diethylene triamine penta (methylene phosphonic acid):

(HO) ₂ POCH ₂ N [CH ₂ CH ₂ N [CH ₂ PO (OH) ₂ ] ₂ ] ₂ ;

Diethylene triamine penta (methylene-phosphonate), sodium salt:

C ₉ H ( _28-x ) N ₃ Na _x O ₁₅ P ₅ (x = 7);

Hexamethylenediamine (tetramethylenephosphonate), potassium salt:

C ₁₀ H ( _28-x ) N ₂ K _x O ₁₂ P ₄ (x = 6);

Bis (hexamethylene) triamine (pentamethylenephosphonic acid):

(HO ₂ ) POCH ₂ N [CH ₂ ) ₆ N [CH ₂ PO (OH) ₂ ] ₂ ] ₂ ; And phosphorous acid H ₃ PO ₃ ; And other similar organic phosphonates, and mixtures thereof.

2-hydroxyethyliminobis (methylenephosphonic acid):

HOCH ₂ CH ₂ N [CH ₂ PO (OH) ₂ ] ₂ ;

Diethylene triamine penta (methylene phosphonic acid): (HO) ₂ POCH ₂ N [CH ₂ CH ₂ N [CH ₂ PO (OH) ₂ ] ₂ ] ₂ ;

Diethylene triamine penta (methylene phosphonate), sodium salt:

C ₉ H ( _28-x ) N ₃ Na _x O ₁₅ P ₅ (x = 7);

Hexamethylenediamine (tetramethylenephosphonate), potassium salt:

C ₁₀ H ( _28-x ) N ₂ K _x O ₁₂ P ₄ (x = 6);

Bis (hexamethylene) triamine (pentamethylenephosphonic acid):

(HO ₂ ) POCH ₂ N [CH ₂ ) ₆ N [CH ₂ PO (OH) ₂ ] ₂ ] ₂ ; And phosphorous acid H ₃ PO ₃ ; And other similar organic phosphonates, and mixtures thereof.

Other quenchers which may be used are those from the group of salts of acid-substituted polymers of monomers of monoethylenically unsaturated C ₃ -C ₈ -carboxylic acids, preferably salts of C ₃ -C ₄ -monocarboxylic acids, , Methacrylates, salts of polytaconates, salts of polyacrylates, and mixtures thereof, most preferably polyacrylates and / or; The quencher is preferably selected from the group of acid-substituted polymers of monomers of monoethylenically unsaturated C ₃ -C ₈ -carboxylic acids, preferably C ₃ -C ₄ -monocarboxylic acids, acrylic acid, methacrylic acid, polyetaconic acid , Polymaleic acid, and mixtures thereof, and most preferably polyacrylic acid or its salts. Suitable polyacrylic acid polymers are Sokalan, such as Sokalan CP 5 and / or Sokalan CP 10, available from BASF.

Polymers tend to be water-soluble or at least colloidally dispersible in water. The molecular weights of these polymers can vary over a wide range, but are ≥ 1,000 to ≤ 1,000,000, preferably ≥ 2,000 to ≤ 800,000, more preferably ≥ 2,500 to ≤ 500,000, and preferably ≥ 3,000 to ≤ 250,000. It is preferable to use a polymer having an average molecular weight (Mw) of preferably ≥ 3,500 to ≤100,000, particularly preferably ≥4,000 to ≤50,000, particularly preferably ≥4,500 to ≤10,000.

Polymers or copolymers which are acid-substituted polymers or other added polymers can be prepared by addition or hydrolysis techniques. Thus, the maleic anhydride copolymer is prepared by addition polymerization of maleic anhydride with another comonomer, such as styrene. Preferred are salts of acid-substituted polymers of monomers of acrylates, methacrylates, salts of polytetaconic acid, salts of polymaleic acid, and mixtures thereof. Particularly preferred are salts of polyacrylic acid.

The low molecular weight acrylic acid polymer can be prepared by subjecting acrylic acid or a salt thereof to its addition polymerization or addition polymerization with other vinyl comonomer.

Alternatively, such polymers may be prepared by alkali hydrolysis of low molecular weight acrylonitrile homopolymers or copolymers.

The use of quaternary agents such as homopolyacrylic acid and / or homopolyacrylates may be more preferred in the process of the present invention. ? 1,000 to? 1,000,000, preferably? 2,000 to? 800,000, further preferably? 2,500 to? 500,000, further preferably? 3,000 to? 250,000, more preferably? 3,500 to? The use of homopolyacrylic acid and / or homopolyacrylate having a Mw in the range of > = 4,000 to < = 50,000, particularly preferably > = 4,500 to < / = 10,000 is most preferred.

Other quaternary separators may be omitted except for one or more quaternizers selected from the group of phosphonic acids, phosphonate-based quaternaries, and / or monomers of monoethylenically unsaturated C ₃ -C ₈ -carboxylic acids or salts thereof It should be understood.

Phosphate

The active ingredient, liquid cleansing additive and / or liquid cleansing composition used in the method of the present invention may comprise one or more phosphate or phosphoric acid. Phosphate or phosphoric acid may provide soil additives, cleansing properties, water hardness control, etc. to the additives or cleaning compositions of the present invention. Such phosphates include monomers of phosphoric acid, polymers of phosphoric acid, salts of phosphoric acid, or combinations thereof; Orthophosphate, metaphosphate, tripolyphosphate, or combinations thereof; Phosphoric acid; Alkali metal, ammonium and alkanol ammonium salts of polyphosphates such as sodium tripolyphosphate and other high grade linear and cyclic polyphosphate species, pyrophosphates, and glassy polymer meta-phosphates; Aminophosphate; And nitrilotris methylene phosphate; Etc; Or combinations thereof. Preferred phosphates include phosphoric acid, and its monomers, polymers and salts, etc., and combinations thereof.

Chelating agent  ingredient

The active ingredient, liquid cleansing additive and / or liquid cleansing composition used in the process of the present invention comprises a) at least one C ₄ to C ₁₈ hydroxymonocarboxylic acid or salt thereof. Gilate components exhibit dirt removal properties when used, for example, under alkaline conditions. The chelating agent component is provided to combine with metals in the soil to aid in cleaning and washing. The chelating agent component may be provided as part of the composition. The concentrated liquid cleansing additive is present in an amount of ≥ 1 wt% to about ≤ 30 wt%, preferably about ≥ 2 wt% to about ≤ 20 wt%, more preferably about ≥ 5 wt% to about ≤ 15 wt% Chelating agent components. It should be understood that the chelating agent component may comprise a mixture of different chelating agents.

Suitable C ₄ to C ₁₈ hydroxymonocarboxylic acids or corresponding salt compounds include, but are not limited to, citric acid; Propionic acid; Gluconic acid; Glycolic acid; Glucoheptanoic acid; Succinic acid; Lactic acid; Methyl lactic acid; 2-hydroxybutanoic acid; Mandelic acid; Atrolactic acid; Phenyl lactic acid; Glyceric acid; 2,3,4-trihydroxybutanoic acid; Alpha hydroxy lauric acid; Benzylic acid; Isocitric acid; Citramalic acid; Agaric acid; Quinic acid; Uronic acids including glucuronic acid, glucuronolactone acid, galacturonic acid, and galacturonolactic acid; Hydroxypyruvic acid; Ascorbic acid; And tropic acid. Preferred hydroxymonocarboxylic acid compounds are citric acid; Propionic acid; Gluconic acid; Glycolic acid; Glucoheptanoic acid; And succinic acid. Suitable hydroxydicarboxylic acid compounds include, but are not limited to, tartronic acid; Malic acid; Tartaric acid; Arabiraric acid; Ribaric acid; Xylaric acid; Lyxaric acid; Glucaric acid; Galactaric acid; Mannaric acid; Gularic acid; Allaric acid; Altraric acid; Idaric acid; And tallaric acid. Preferred hydroxydicarboxylic acid compounds include ethylenediaminetetraacetic acid as well as tartaric acid. However, gluconic acid or a salt thereof, such as sodium gluconate, is most preferred.

Additional chelating agents may be used in the process of the invention. Exemplary chelating agents that may be further used according to the present invention include pentasodium salts of diethylene triamine pentaacetic acid (available under the trade name Versenex 80), sodium glucoheptanoate, ethylenediamine tetraacetic acid (EDTA), ethylenediamine tetra (HEDTA), salts of hydroxyethylethylenediaminetriacetic acid, nitrilotriacetic acid (NTA), salts of nitrilotriacetic acid, diethanol glycine sodium salt (DEG), ethanol diglycine Disodium salt (EDG), tetrasodium N, N-bis (carboxylatomethyl) -L-glutamate (GLDA), and mixtures thereof. Exemplary salts of ethylenediaminetetraacetic acid include disodium salts, tetrasodium salts, diammonium salts, and trisodium salts. An exemplary salt of hydroxyethylethylenediaminetriacetic acid is the trisodium salt.

Suitable chelating agents which may further be used in the process of the present invention are selected from the group consisting of iminodisuccinate, preferably the sodium salt of iminosuccinate, hydroxyethylidenediphosphonic acid and / or tetrasodium N, N-bis ( Carboxylactomethyl) -L-glutamate (GLDA).

It is to be understood that the chelating agent compound may comprise a mixture of different chelating agents. However, chelating agents other than C ₄ to C ₁₈ hydroxymonocarboxylic acids or salts thereof may be omitted.

mountain

The active ingredient, liquid cleansing additive and / or liquid cleansing composition used in the method of the present invention may comprise an acid or a salt thereof. Exemplary inorganic acids that may be used include inorganic acids such as sulfuric acid, nitric acid, hydrochloric acid and phosphoric acid.

Exemplary organic acids that may be used include carboxylic acids including monocarboxylic acids and polycarboxylic acids such as dicarboxylic acids. Exemplary carboxylic acids include aliphatic and aromatic carboxylic acids. Exemplary aliphatic carboxylic acid is acetic acid, formic acid, halogen-containing carboxylic acids such as, chloro acetic acid, and -OH, -R, -OR, - ( EO) x, - (PO) x, -NH ₂ , and -NO ₂ , wherein R is a C ₁ to C ₁₀ alkyl group. Exemplary aromatic carboxylic acid is benzoic acid, salicylate Cilic acid, and halogen, -OH, -R, -OR, - (EO) x, - (PO) x, -NH 2, and -N0 ₂ , Wherein R is a C ₁ to C ₁₀ alkyl group. Exemplary of organic acid is added oxalic acid, phthalic acid, sebacic acid, adipic acid, citric acid, maleic acid, and halogen, -OH, -R, -OR, - (EO) x, - (PO) x, -NH 2, and Includes those modified forms containing side groups containing -NO ₂ , wherein R is a C ₁ to C ₁₀ alkyl group. It should be understood that the subscript "x" represents a repeating unit.

The active ingredient, liquid cleansing additive and / or liquid cleansing composition may comprise one or more acids or the corresponding salts thereof. It is to be understood that the addition of an acid, or a corresponding salt thereof, to the active ingredient, the liquid cleansing additive and / or the liquid cleansing composition may be omitted.

Surfactants

The active ingredient, liquid cleansing additive and / or liquid cleansing composition used in the method of the present invention may comprise one or more surfactants. Surfactants may be selected from the group of nonionic surfactants, cationic surfactants, anionic surfactants, amphoteric surfactants, and mixtures thereof. Biodegradable surfactants are most preferred.

Additional surfactant components may be used to improve the cleaning properties of the liquid cleaning composition. The surfactant component can be used in the method of the present invention to reduce the surface tension and wet the fine particles to enable the penetration of the used solution and the separation of the dirt as well as the removal of the bottle label.

It should be understood that the addition of a surfactant to the active ingredient, liquid cleansing additive and / or liquid cleansing composition may be omitted.

Nonionic  Surfactants

Exemplary non-ionic surfactants that can be used in the active ingredients, liquid cleansing additives and / or liquid cleansing compositions for the process of the present invention include alkoxylations, preferably ethoxylated or ethoxylated and propoxylated, preferably alkyl Fatty acid alkyl esters containing from 1 to 4 carbon atoms in the chain, more particularly fatty acid methyl esters.

Non-ionic lower alkoxylated alcohol surfactants can be used to reduce surface tension and to wet the dirt particles to allow permeation of used solutions, separation of dirt and improved bottle label removal.

The above-mentioned alkoxylated alcohol surfactant includes a terminally capped alkoxylated alcohol surfactant.

Exemplary non-ionic lower alkoxylated alcohol surfactants that may be used include those having from 1 to 4 ethylene oxide groups (1-4 EO), 1 to 4 butylene oxide groups (1-4 BO), 1 to 4 propylene oxide groups 1-4PO), a terminally capped alkoxylated alcohol surfactant, or mixtures thereof.

Most preferred are nonionic surfactants (d) of at least one amphoteric alkoxylated C ₆ to C ₂₄ alcohol amine surfactant containing 4 to 18 alkylene oxide units of ethylene oxide and / or propylene oxide or its salts.

Advantageously, the lower alkoxylated alcohols which can be further usefully employed in the process according to the invention are in particular primary and / or branched alcohols, preferably containing from 8 to 18 carbon atoms and containing from 1 to 4 ethylene A primary and / or branched alcohol containing from 1 to 4 oxyene groups (1-4 EO), from 1 to 4 butylene oxide groups (1-4 BO), from 1 to 4 propylene oxide groups (1-4PO) A miscible alcohol surfactant, or a mixture thereof. Alcohol radicals may be linear or branched or may comprise mixtures thereof.

Exemplary non-ionic higher alkoxylated alcohol surfactants that may be useful in the active ingredients, liquid cleaning additives and / or liquid cleaning compositions according to the present invention include 5 to 40 ethylene oxide groups (5-40 EO), butylene oxide groups (5-30 PO), preferably 6 to 30 ethylene oxide groups (6-30 EO), butylene oxide groups (6-30 BO), propylene oxide groups (6-30 PO), and propylene oxide groups Further preferably 7 to 20 ethylene oxide groups (7-20 EO), butylene oxide groups (7-20 BO), propylene oxide groups (7-20 PO), and more preferably 8 to 10 ethylene oxide groups (8 Most preferably 8 ethylene oxide groups (8EO), butylene oxide groups (8BO), propylene oxide groups (8PO), and propylene oxide groups (8PO) ≪ / RTI > alkoxylated alcohols containing a terminal capped alkoxylated alcohol, Call a surfactant, or mixtures thereof.

Advantageously, the higher alkoxylated alcohols useful in the compositions of the present invention are in particular linear and / or branched alcohols, preferably from 8 to 18 carbon atoms and from 5 to 40 ethylene oxide groups (5-40 EO), butylene (6-30PO), preferably 6-30 ethylene oxide groups (6-30EO), butylene oxide groups (6-30BO), and propylene oxide groups (6-30PO) ), Further preferably 7 to 20 ethylene oxide groups (7-20 EO), butylene oxide groups (7-20 BO), propylene oxide groups (7-20 PO), more preferably 8 to 10 ethylene oxide groups (8-10EO), butylene oxide groups (8-10BO), propylene oxide groups (8-10PO), and most preferably 8 ethylene oxide groups (8EO), butylene oxide groups (8BO), propylene oxide groups (8PO), its endcapped alkoxylated < RTI ID = 0.0 > Alcohols or surface active agent, and may include mixtures thereof. Alcohol radicals may be linear or branched, or may comprise mixtures thereof.

For example, from 8 to 18 carbon atoms and from 5 to 40 ethylene oxide groups (5-40 EO), butylene oxide groups (5 (6 to 30 BO), propylene oxide groups (5-40 PO), preferably 6 to 30 ethylene oxide groups (6-30 EO), butylene oxide groups (6-30 BO), and propylene oxide groups Preferably 7 to 20 ethylene oxide groups (7-20 EO), butylene oxide groups (7-20 BO), propylene oxide groups (7-20 PO), and more preferably 8 to 10 ethylene oxide groups (8-10 EO ), Butylene oxide groups (8-10 BO), propylene oxide groups (8-10 PO), most preferably 8 ethylene oxide groups (8 EO), butylene oxide groups (8 BO), propylene oxide groups Lt; RTI ID = 0.0 > cocoa-, palm-, < / RTI > The ethoxylates thereof, end-capped alkoxylated alcohol surfactants, especially preferred in an alcohol, and may include mixtures thereof. However, isotridecyl alcohols having 6EO to 14EO, 6PO to 14PO, 6BO to 14BO, preferably 7EO to 10EO, 7PO to 10PO, 7BO to 10BO, and most preferably 8EO, 8PO, Most preferred, or mixtures thereof.

According to the present invention, it is possible to provide an organic electroluminescent device, which comprises at least one of 5EO, 6EO, 7EO, 8EO, 9EO, 10EO, 11EO, 12EO, 13EO, 14EO, 15EO, 16EO, 17EO, 18EO, 19EO, 20EO, 21EO, 22EO, 10PO, 11PO, 12PO, 13PO, 14PO, 15PO, 16PO, 17PO, 18PO, 19PO, 20PO, 21PO, 22PO, 23PO, 24PO or 25PO, 5BO, 6BO, 7BO, 8BO, 9BO, 10BO , Higher alkoxylated alcohols having 11BO, 12BO, 13BO, 14BO, 15BO, 16BO, 17BO, 18BO, 19BO, 20BO, 21BO, 22BO, 23BO, 24BO or 25BO, the endcapped alkoxylated alcohol surfactants And may include mixtures thereof.

5EO to 40EO, preferably 6EO or 30EO, further preferably 7EO to 20EO, more preferably 8EO to 10EO, and most preferably 8EO; 5PO to 40PO, preferably 6PO or 30PO, further preferably 7PO to 20PO, more preferably 8PO to 10PO, most preferably 8PO; 5BO to 40BO, preferably 6BO or 30BO, preferably 7BO to 20BO, more preferably 8BO to 10BO, most preferably in the exemplary advanced alkoxylated alcohol having the misfire 8BO additionally is C ₁₂ -C ₁₄ - alcohol ; C ₉ -C ₁₁ - alcohol, C ₁₃ -C ₁₅ - alcohol, C ₁₂ -C ₁₈ - alcohol, and its end-capped alkoxylated alcohol surfactants, and mixtures thereof, as well as, C ₁₂ -C ₁₄ - alcohol, and Mixtures of C ₁₂ -C ₁₈ -alcohols, and end-capped alkoxylated alcohol surfactants, with C ₁₃ -alcohols being most preferred.

In addition to these nonionic surfactants, fatty alcohols containing 12 EO, 12 PO, 12 BO or higher can also be used. Examples of such fatty alcohols include tallow fatty alcohols containing 14 EO, 25 EO, 30 EO or 40 EO, 14 PO, 25 PO, 30 PO or 40 PO, 14 BO, 25 BO, 30 BO or 40 BO, Capped alkoxylated alcohol surfactant.

More preferably from 7EO to 20EO, from 7PO to 20PO, from 7BO to 20BO, even more preferably from 5EO to 40EO, from 5PO to 40PO, from 5BO to 40BO, preferably from 6EO or 30EO, from 6PO or from 30PO, from 6BO or from 30BO, Is from 8 EO to 10 EO, from 8 PO to 10 PO, from 8 to 10 BO, most preferably from 8 EO, 8 PO, 8 BO alkoxylation is a statistical mean value and may be an integer or fraction in the case of a particular product. More preferably, however, it is more preferable to use the above-mentioned 5EO to 40EO, 5PO to 40PO, 5BO to 40BO, preferably 6EO or 30EO, 6PO or 30PO, 6BO or 30BO, further preferably 7EO to 20EO, 7PO to 20PO, More preferably 8EO to 10EO, 8PO to 10PO, 8BO to 10BO, most preferably 8EO, 8PO, 8BO alkoxylation may be an integer or fraction. 5EO to 40EO, 5PO to 40PO, 5BO to 40BO, preferably 6EO or 30EO, 6PO or 30PO, 6BO or 30BO, further preferably 7EO to 20EO, 7PO to 20PO, 7BO to 20BO, Most preferred is an alkoxylation degree of 10 EO, 8 PO to 10 PO, 8 BO to 10 BO, most preferably 8 EO, 8 PO, 8 BO. The stated alkoxylation degree may be an integer.

Preferred higher alkoxylated alcohols have a narrow homologous distribution (narrow range of ethoxylates, NRE).

The additional surfactant comprises an alkoxylated long chain fatty acid amide wherein the fatty acid has from 8 to 20 carbon atoms and the amide group is alkoxylated with from 1 to 20 ethylene oxide, propylene oxide and / or butylene oxide units do.

A further class of non-ionic surfactants that can be used as components in the active ingredients, liquid cleaning additives and / or liquid cleaning compositions according to the present invention are surfactants of alkyl glycosides (APG). Suitable alkyl glycosides satisfy the general formula RO (G) z, wherein R is a linear or branched, in particular 2-methyl-branched, alkyl radical containing from 8 to 22, preferably from 12 to 18 carbon atoms , A saturated or unsaturated aliphatic radical, and G represents a glycose unit containing 5 or 6 carbon atoms, preferably glucose. The degree of oligomerization z is 1.0 to 4.0, preferably 1.1 to 1.4.

Silicon-containing non-ionic surfactants such as ABIL B8852 or Silwet 7602 may also be used. An exemplary silicon-containing surfactant is silicone polybutane.

Examples of amine oxide surfactants include dimethyldodecylamine oxide, dimethyltetradecylamine oxide; Dimethyltetradecylamine oxide, ethylmethyltetradecylamine oxide, cetyldimethylamine oxide, di methylstearylamine oxide, cetylethylpropylamine oxide, diethyldodecylamine oxide, diethyltetradecylamine oxide, dipropyldodecylamine oxide, lauryldimethylamine (2-hydroxyethyl) dodecylamine oxide, bis- (2-hydroxyethyl) -3-dodecoxy-1-hydroxypropylamine oxide, (2-hydroxypropyl) Amine oxides, dimethyloleylamine oxides, dimethyl- (2-hydroxydodecyl) amine oxides, and the corresponding decyl, hexadecyl and octadecyl analogs of the above compounds.

The additional nitrogen-containing surfactant is an ethoxylated primary alkyl amine wherein the alkyl group has from 10 to 20 carbon atoms and the amine is ethoxylated with from 2 to 20 ethylene oxide units.

In addition, nonionic surfactants derived from the condensation of ethylene oxide with the product resulting from the reaction of propylene oxide with ethylenediamine may also be used. For example, a compound containing 40 wt.% To 80 wt.% Polyoxyethylene resulting from the reaction of ethylene oxide groups with a hydrophobic base consisting of the reaction product from ethylenediamine and excess propylene oxide and having a molecular weight of from 5,000 to 11,000 Wherein the base has a molecular weight of about 2,500 to 3,000.

Suitable nonionic surfactants include polyoxyethylene-polyoxypropylene condensates marketed by BASF under the trade name " Pluronic ", polyoxyethylene condensates of aliphatic alcohols / ethylene oxide with 1 to 30 moles of ethylene oxide per mole coconut alcohol Condensate; Ethoxylated long chain alcohols sold under the trade name 'Neodol' by Shell Chemical Co., sorbitan fatty acids, alkanolamides such as monoalkanolamides, dialkanolamides and ethoxylated alkanolamides such as coconut Polyoxyethylene condensates of monoethanolamide, lauric acid isopropanolamide and lauric acid diethanolamide; And amine oxides such as dodecyldimethylamine oxide.

Additional exemplary nonionic surfactants include alkylphenol alkoxylates, and amine oxides such as alkyldimethylamine oxides or bis (2-hydroxyethyl) alkylamine oxides.

The additional nonionic surfactant may comprise from 0 wt% to about 40 wt%, preferably from about 1 wt% to about 35 wt%, based on the total weight of the liquid cleaning additive or liquid cleansing composition, Preferably in an amount of from about 10% to about 30% by weight, more preferably from about 15% to about 25% by weight, based on the active ingredient and / or liquid cleaning additive used in the method of the present invention Can be provided.

One or more alkyl terminated nonionic alkoxylated C ₈ to C ₁₈ alcohol surfactants containing from 4 to 16 alkylene oxide units of ethylene oxide and / or propylene oxide, preferably from 8 to 10 alkyl Butyl endcapped nonionic alkoxylated C ₁₂ to C ₁₈ alcohol surfactant containing a phenolic hydroxyl group; And / or at least one non-terminally capped nonionic alkoxylated C ₈ to C ₁₈ alcohol surfactant containing from 4 to 16 alkylene oxide units of ethylene oxide and / or propylene oxide, preferably from 2 to 4 It is most preferred to use at least one non-terminally capped nonionic alkoxylated C ₁₂ to C ₁₄ alcohol surfactant containing ethylene oxide units and from 3 to 5 propylene oxide units.

It should be understood that the addition of non-ionic surfactants to the active ingredients, liquid cleaning additives and / or liquid cleaning compositions of the present invention may be omitted.

Anionic  Surfactants

The active ingredient, liquid cleansing additive and / or liquid cleansing composition which can be used in the process according to the invention preferably do not contain anionic surfactants.

Exemplary anionic surfactants that may be used include, but are not limited to, organic carboxylates, organic sulfonates, organic sulfates, and organic phosphates, particularly, linear alkyl aryl sulfonates such as alkylaryl carboxylates, alkylaryl sulfonates, Aryl phosphate, and the like. These classes of anionic surfactants are known in the surfactant art as linear alkyl benzyl sulfonates (LABS), alpha olefin sulfonates (AOS), alkyl sulfates, and secondary alkanesulfonates.

The anionic surfactant may be present in the composition in an amount of ≥ 0 wt% to ≤40 wt%, preferably ≥ 0.1 wt% to ≤35 wt%, more preferably ≥ 0.5 wt% To 32 wt.%, More preferably from 1.0 wt.% To 30 wt.%, Of the active ingredient and / or liquid cleaning additive used in the process of the present invention.

It should be understood that the addition of anionic surfactants to the active ingredients, liquid cleaning additives, and / or liquid cleaning compositions of the present invention may be omitted.

Cationic  Surfactants

The presence of a non-ionic surfactant makes the higher foam-forming cationic surfactant available at a lower level while maintaining foam formation at an acceptable level. In a preferred embodiment of the present invention, the active ingredient, liquid cleansing additive and / or liquid cleansing composition also comprise a cationic surfactant.

Suitable cationic surfactants include quaternary ammonium compounds having the formula RR'R "R"'N ⁺ X ^- ; In the above formulas, R, R ', R "and R'" are each a C ₁ -C ₂₄ alkyl, aryl or arylalkyl group which may or may not contain at least one P, O, S or N heteroatom, X is F, Cl, Br, I or alkyl sulfate. Further preferred cationic surfactants include ethoxylated and / or propoxylated alkylamines, diamines, or triamines.

Each R, R ', R "and R" " independently represents a substituent containing 6 to 24 carbon atoms, preferably 14 to 24 carbon atoms, more preferably 16 to 24 carbon atoms, Or combinations thereof.

Each R, R ', R "and R" may independently be linear, cyclic, branched, saturated or unsaturated and may contain heteroatoms such as oxygen, phosphorus, sulfur, or nitrogen. Any two of R, R ', R "and R'" may form a cyclic group. Any three of R, R ', R "and R" may be independently hydrogen. X is preferably a counter ion, and preferably a non-fluorine counter ion. Representative counter ions include chloride, bromide, methosulfate, ethosulfate, sulfate, and phosphate.

In one embodiment, the quaternary ammonium compound includes alkyl ethoxylated and / or propoxylated quaternary ammonium salts (or amines).

Preferably, the alkyl group contains from about 6 to about 22 carbon atoms and may be saturated and / or unsaturated. The degree of alkoxylation is preferably from about 2 to about 20 and / or the degree of propoxylation is preferably from about 0 to about 30.

In one embodiment, the quaternary ammonium compound comprises an alkyl group having from about 6 to about 22 carbon atoms and from about 2 to about 20 alkoxyl groups.

The cationic surfactant is present in an amount of ≥ 0 wt% to ≤ 40 wt%, preferably ≥ 0.1 wt% to ≤ 35 wt%, more preferably ≥ 0.5 wt% to ≤ 5 wt%, based on the weight of all components of the total composition To 32% by weight, more preferably from 1.0% to 30% by weight, of the active ingredient and / or liquid washing additives used in the process of the present invention.

It should be understood that the addition of a cationic surfactant to the active ingredient, liquid cleansing additive and / or liquid cleansing composition of the present invention may be omitted.

Amphoteric surfactant

The active ingredient, liquid cleansing additive, and / or liquid cleansing composition according to the present invention may not contain an amphoteric surfactant. Examples of suitable amphoteric surfactants include capryloamphopropionate, disodium lauryl B-iminodipropionate, and cocoamphocarboxy propionate, and disodium octyliminodipropionate.

The amphoteric surfactant (d) of at least one amphoteric alkoxylated C ₆ to C ₂₄ alcohol amine surfactant containing 4 to 18 alkylene oxide units of ethylene oxide and / or propylene oxide or its salts in the process of the present invention, Is most preferably used.

The amphoteric surfactant may be present in an amount of from 0 wt% to about 20 wt%, preferably from about 3 wt% to about 15 wt%, based on the weight of the liquid cleaning additive and / or the liquid cleansing composition, May be provided to the liquid cleaning additive and / or liquid cleaning composition in an amount of about 5 wt% to about 10 wt%.

It should be understood that the addition of an amphoteric surfactant to the active ingredients, liquid cleaning additives and / or liquid cleaning compositions of the present invention may be omitted.

Foam  Inhibitor

The active ingredient, liquid cleansing additive and / or liquid cleansing composition used in the process of the present invention may contain one or more foam inhibitors. Suitable foam inhibitors include, for example, organopolysiloxanes, and micropins, optionally silanized silicas and also paraffins, waxes, mixtures thereof with microcrystalline waxes, and silanized silicas or bis-fatty acid alkylenediamines such as bis- Stearyl ethylenediamine and mixtures thereof. The amount of foam inhibitor of the active ingredient and / or liquid cleansing additive used in the process of the present invention is from 0 wt% to about 20 wt%, preferably from about 3 wt% to about 3 wt%, based on the total weight of the cleaning additive or liquid cleansing composition To about 15 wt%, and more preferably from about 5 wt% to about 10 wt%.

Mixtures of various foam inhibitors, for example, with silicon, paraffin or wax, are also advantageously used. It should be understood that the addition of a foam inhibitor to the liquid cleaning additives and / or cleaning compositions used in the process of the present invention may be omitted.

Alkali source

The alkali source may be any alkali source compatible with the other components of the cleaning composition to provide the desired pH.

Representative alkali sources include alkali metal hydroxides, alkali metal salts, phosphates, amines, and mixtures thereof.

Representative alkali metal hydroxides include sodium hydroxide, potassium hydroxide, and lithium hydroxide. Representative alkali metal salts include sodium carbonate, trisodium phosphate, potassium carbonate, and mixtures thereof. It is most preferred to use sodium hydroxide as the alkali source.

The alkali source, preferably an alkali metal hydroxide, may be added to the composition in various forms, dissolved in an aqueous solution, or a combination thereof. Alkali metal hydroxides are commercially available as pellets or beads or aqueous solutions.

The alkali solution or liquid cleaning composition may comprise from about 0.5 wt% to about 3.5 wt%, preferably from about 1 wt% to about 3 wt%, even more preferably from about 1.25 wt% to about 2.75 wt% , Further preferably from about 1.3 wt% to about 2.5 wt%, more preferably from about 1.5 wt% to about 2.3 wt%, even more preferably from about 1.7 wt% to about 2.25 wt% More preferably from about < RTI ID = 0.0 > 1.5% < / RTI > to about 2.0% by weight, preferably sodium hydroxide; Here, the weight percentage of the alkali source is based on the total weight of the alkali solution or liquid cleaning composition.

Use of cleaning composition

The cleaning compositions used in the process of the present invention may be used to clean hard and / or soft surfaces, preferably glass, ceramic, metal, and / or plastic products. Preferably, the cleaning composition used in the process of the present invention may be used to clean bottles. More preferably, the cleaning composition used in the process of the present invention can be used to clean bottles in glass, ceramic, metal and / or plastic products, preferably bottle cleaning plants.

Bottle labels can be removed in a soaking bath containing the cleaning composition of the present invention. Suitable cleaning plants are single-end-bottle washers or double-end-bottle washers.

It is most preferred to use the cleaning solution of the present invention to clean glass, ceramic, metal and / or plastic products, especially glass, ceramic and / or plastic bottles with automated processing, and to remove their labels.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 shows the label removal time of a glass bottle achieved in a bottle cleaning plant using a liquid cleaning solution at different temperatures.
Figure 2 shows the label removal time of a glass plate using a liquid cleaning solution at different temperatures.

Example

The following Examples E1 to E5 of liquid cleaning additives were used to illustrate the improved cleaning and labeling effect at lower temperatures.

Example E1 - Additive

Example E2 - Surfactant Free Liquid Cleaning Additive

Example E3 - Defoamer-free liquid cleaning additive

Example E4 - Isolating agent free liquid cleaning additive

Example E5 - Isolate only

Label removal test

Background :

This test method was developed to evaluate the label removal performance of different caustic additives for bottle cleaning. The label removal test is a measure of the cleaning efficacy of the additive. This can be applied to polyethylene terephthalate (PET) and glass bottles.

Equipment :

- 700 ml bottled water bottle with flat outer surface attached to Mifare standard label with Casein ST 50 KF adhesive

- 19 cm x 10 cm uncoated glass or uncoated glass 330 ml glass bottle

- Analytical balance capable of weighing up to 0.0001

- Casein ST 50 KF adhesive (glass plate) available from Tuermerleim GmbH of Ludwigshafen / Rhein, Germany.

- Mifare standard label paper with a label size of 85.60 +/- 0.12 mm x 53.98 +/- 0.05 mm, total thickness: 0.30 +/- 0.03 mm and weight: 0.20 g +/- 0.05 g

- Roll coater / Hand coater

- 5000 ml internal double wall container

step:

Label removing device for glass plate :

The label remover includes a vibrating motor (a wand screen wiper motor obtained from the vehicle "Opel Record "), where the glass plate can be secured to the clamping tool in a vertical position for testing. The speed of the vibration motor was set so that it moved back and forth every second. The test solution is heated in a double wall vessel. The vessel is connected to a thermostat which regulates the required temperature.

Label removal equipment for bottled water glass :

A 700 ml bottled water bottle with a flat outer surface attached to Mifare standard label with Casein ST 50 KF adhesive was processed in a Fontana RME SEN cleaning facility with a capacity of 45.000 bottles per hour. A soaking bath for label removal was used in the method of the present invention and was filled with the cleaning composition described below.

Glass plate labeling :

The glass plate was degassed with acetone and dried at room temperature. The label was attached to the glass plate with a hand-coater using Casein ST 50 KF adhesive. The adhesive film should be very thin (100 μm). The label was dried at room temperature for 3 days.

Bottle labeling :

The bottled water was degassed with acetone and dried at room temperature. The label was attached to the glass plate with a hand-coater using Casein ST 50 KF adhesive. The adhesive film should be very thin (100 μm). The label was dried at room temperature for 3 days.

Liquid cleaning solution :

Various cleaning solutions were obtained by mixing 2000 ml of a 2 wt% NaOH alkaline solution with 4 ml of the liquid cleaning additive of Example E1 or 7 ml of the liquid cleaning additives of Examples E1 to E5.

Thereafter, the cleaning solution used for removing the label of the glass bottle according to Fig. 1 was heated in a small cage of Fontana RME SEN at a required temperature of 65 캜 and 80 캜 (see Fig. 1) and the cleaning process was started. The time taken for the label to be completely removed for each vial was measured (= label removal time [sec]) for the used cleaning solution. For each cleaning solution and temperature, the test was repeated three times.

For the glass plate label test, the liquid cleaning composition in the double-walled container was brought to a temperature of 60 캜 (see FIG. 2). Next, the labeled glass plate was fixed to the clamping tool and the glass plate was placed in the cleaning solution so that the label was completely immersed in the cleaning solution and the vibration motor was started. The time taken for the label to be completely removed for each vial was measured (= label removal time [sec]) for the used cleaning solution. For each cleaning solution and temperature, the test was repeated three times.

Results :

Figure 1 shows the results of a comparison of the results obtained with the addition of 7 ml of the additive of Example E1 to 2000 ml of 2.0% by weight NaOH processed caustic solution processed at a process temperature of 65 < 0 > C, using a flat Mifare standard label paper affixed with Casein ST 50 KF adhesive The label removal performance for a 700 ml bottled water bottle with an external surface was compared to the same additive of 4 ml of Example E1 added to a caustic solution of 2000 ml of 2.0 wt% NaOH at a cleaning temperature of 80 ° C, Time to the user. Accordingly, Figure 1 demonstrates that the method of the present invention provides good cleaning and label removal properties at lower temperatures.

Figure 2 shows that the label removal of the glass plate with 7 ml of the additives of Examples E2, E3, E4 and E5 is improved labeling at 120 < RTI ID = 0.0 >Lt; / RTI > Thus, Figure 2 shows that the method of the present invention provides good cleaning and label removal properties at lower process temperatures.

As used herein, the term "about" means, for example, by typical measurement and liquid manipulation procedures used to make concentrates or using solutions in practice; By unintended mistakes in these procedures; Refers to variations in numerical quantities that can occur due to differences in the purity of the products, sources, or components used to make the composition or perform the method. The term "about" also includes amounts that are different due to different equilibrium conditions for the composition resulting from the particular initial mixture. Whether or not modified by the term " about, " the claims include equivalents to that amount.

It is to be understood that the singular forms as used in this specification and the appended claims are intended to cover the plural objects unless the context clearly indicates otherwise. Thus, for example, reference to a composition containing a "compound" includes a mixture of two or more compounds. It is also to be understood that the term "or" is used herein in its ordinary sense to include "and / or ", unless the context clearly dictates otherwise. All publications and patent applications in this specification are indicative of the level of ordinary skill in the art to which this invention pertains. The present invention has been described in various specific and preferred embodiments and techniques. It should be understood, however, that numerous variations and modifications may still be made within the spirit and scope of the invention.

Claims (23)

A process for cleaning and / or labeling a glass, ceramic or plastic article with a liquid cleaning composition at a process temperature of less than 80 ° C, the liquid cleaning composition comprising an active ingredient in an amount of ≥0.001% by weight to ≤10% by weight and ≥0.5% by weight % ≪ / RTI > to 3.5% by weight of the active ingredient,
(a) at least one quaternizing agent selected from the group of phosphonic acid, phosphonate-based quaternary agents, and / or monomers of monoethylenically unsaturated C ₃ -C ₈ -carboxylic acids or salts thereof;
(b) one or more C ₄ to C ₁₈ hydroxymonocarboxylic acids or salts thereof;
(d) at least one amphoteric alkoxylated C ₆ to C ₂₄ alcohol amine surfactant containing from 4 to 18 alkylene oxide units of ethylene oxide and / or propylene oxide or a salt thereof;
(e) at least one non-terminally capped nonionic alkoxylated C ₆ to C ₂₄ alcohol surfactant containing from 1 to 30 alkylene oxide units,
Wherein the weight percent of active ingredient is based on the total weight of the liquid cleansing composition. The method of claim 1, wherein the weight ratio of the at least one quaternizer (a) to the at least one C ₄ to C ₁₈ hydroxymonocarboxylic acid or salt thereof (b) is in the range of 6: 1 to 1: 6. 3. The method according to claim 1 or 2, wherein the active ingredient further comprises one or more phosphoric acid-based or phosphate-based ingredients active ingredient (c). delete delete The composition of claim 1 or 2, wherein the active ingredient is at least one alkyl terminated nonionic alkoxylated C ₈ to C ₁₈ alcohol interface containing 4 to 16 alkylene oxide units of ethylene oxide and / ≪ / RTI > further comprising an active ingredient of the active agent. 3. The composition of claim 1 or 2, wherein the active ingredient comprises one or more anti-foam forming agents; And / or one or more alkyl terminated nonionic alkoxylated C ₈ to C ₁₈ alcohol surfactants containing 4 to 16 alkylene oxide units of ethylene oxide and / or propylene oxide. The process according to any of the preceding claims, wherein the weight ratio of the quaternizing agent (a) to the C ₄ to C ₁₈ hydroxymonocarboxylic acid or salt thereof (b) is in the range of from 5: 1 to 1: 5. 4. The process of claim 3, wherein the weight ratio of phosphoric acid-based or phosphate-based component (c) to quaternizer (a) is from 10: 1 to 1:10. The process according to any of the preceding claims wherein the weight ratio of the amphoteric surfactant (d) to the C ₄ to C ₁₈ hydroxymonocarboxylic acid or salt thereof (b) is from 10: 1 to 1:10. 7. The method of claim 6 wherein the weight ratio of alkyl endcapped nonionic surfactant to non-endcapped nonionic surfactant is from 10: 1 to 1:10. The method according to any one of claims 1 to 5, wherein the liquid cleaning composition has a pH in the range of pH? 10. The process according to any one of claims 1 to 3, wherein the process temperature is in the range of? 30 占 폚 to? 78 占 폚. A liquid cleansing composition according to any one of claims 1 to 3, wherein the liquid cleansing composition is obtained by adding a liquid cleansing additive to an alkaline solution,
(a) a polymer of monomers of? 1 wt% to? 10 wt% phosphonic acid or a salt thereof, or a monoethylenically unsaturated C ₃ -C ₈ -carboxylic acid or salt thereof,
(b) gluconic acid or a salt thereof in an amount of 1 wt% to 30 wt%
(c) 0 wt% to 20 wt% phosphoric acid or a salt thereof,
(d) from 0% to 20% by weight of at least one amphoteric alkoxylated C ₆ to C ₂₄ alcohol amine interface containing from 4 to 18 alkylene oxide units of ethylene oxide and / or propylene oxide or a salt thereof Active agents,
(e)? 0 wt% to? 40 wt% of one or more alkyl terminated nonionic alkoxylated C ₈ to C ₁₈ alcohol interfaces containing 4-16 alkylene oxide units of ethylene oxide and / or propylene oxide An activator; And / or at least one non-terminally capped nonionic alkoxylated C ₈ to C ₁₈ alcohol surfactant containing from 4 to 16 alkylene oxide units of ethylene oxide and / or propylene oxide,
(f) a solvent added in an amount such that the amount is 100% by weight,
Wherein the weight percent of the components of the concentrated liquid cleaning additive is based on the total weight of the concentrated liquid cleaning additive and does not exceed 100 weight percent. A liquid cleansing composition as claimed in any one of the preceding claims wherein the liquid cleansing composition is obtained by adding a diluted liquid cleansing additive to an alkaline solution and wherein the diluted liquid cleansing additive comprises? 0.01 wt% to? 10 wt% , Wherein at least one solvent is added in an amount of 100% by weight. 3. The method of claim 1 or 2, wherein the liquid cleaning composition or alkali solution comprises an alkali source of? 0.5%? 3.5% by weight; Wherein the weight percent of the alkali source is based on the total weight of the liquid cleaning composition or alkali solution. 3. A composition according to claim 1 or 2, wherein the liquid cleaning composition comprises
(a) polymers of monomers of phosphonic acids or salts thereof, or monoethylenically unsaturated C ₃ -C ₈ -carboxylic acids or salts thereof, ≥0.003 wt% to ≤0.035 wt%
(b)? 0.003 wt.% to? 0.105 wt.% of gluconic acid or a salt thereof,
(h)? 0 wt.%?? 0.07 wt.% phosphoric acid or a salt thereof,
(i) at least one amphoteric alkoxylated C ₆ to C ₂₄ alcohol amine interface containing ≧ 0 wt% to ≦ 0.07 wt% of 4 to 18 alkylene oxide units of ethylene oxide and / or propylene oxide or its salts An activator;
(j)? 0 wt.% to? 0.14 wt.% of one or more alkyl terminated nonionic alkoxylated C ₈ to C ₁₈ alcohol interfaces containing 4-16 alkylene oxide units of ethylene oxide and / or propylene oxide An activator; And / or at least one non-terminally capped nonionic alkoxylated C ₈ to C ₁₈ alcohol surfactant containing from 4 to 16 alkylene oxide units of ethylene oxide and / or propylene oxide;
(k) an alkali source of? 0.5 wt.% to? 3.5 wt.%;
(l) 100% by weight;
Wherein the weight percent of the components is based on the total weight of the liquid cleansing composition and does not exceed 100 weight percent. The method according to any one of claims 1 to 3, wherein for the label removal, a glass, ceramic, metal and / or plastic article is passed through a soaking bath comprising a liquid cleaning composition. 3. The method of claim 1 or 2, wherein the label removal time is in the range of? 60 seconds to? 480 seconds. delete delete A liquid cleansing composition for cleaning and / or labeling a glass, ceramic or plastic article, said cleansing composition comprising an active ingredient in an amount of? 0.001 wt% to? 10 wt% and a quantity of? 0.5 wt% to? 3.5 wt% , Wherein the active ingredient is a < RTI ID = 0.0 >
(a) at least one quaternizing agent selected from the group of phosphonic acid, phosphonate-based quaternary agents, and / or monomers of monoethylenically unsaturated C ₃ -C ₈ -carboxylic acids or salts thereof;
(b) one or more C ₄ to C ₁₈ hydroxymonocarboxylic acids or salts thereof;
(d) at least one amphoteric alkoxylated C ₆ to C ₂₄ alcohol amine surfactant containing from 4 to 18 alkylene oxide units of ethylene oxide and / or propylene oxide or a salt thereof;
(e) at least one non-terminally capped nonionic alkoxylated C ₆ to C ₂₄ alcohol surfactant containing from 1 to 30 alkylene oxide units,
Wherein the weight percent of active ingredient is based on the total weight of the liquid cleansing composition. A liquid cleansing additive for cleaning and / or labeling glass, ceramic or plastic articles, said liquid cleansing additive comprising an active ingredient,
(a) at least one quaternizing agent selected from the group of phosphonic acid, phosphonate-based quaternary agents, and / or monomers of monoethylenically unsaturated C ₃ -C ₈ -carboxylic acids or salts thereof;
(b) one or more C ₄ to C ₁₈ hydroxymonocarboxylic acids or salts thereof;
(d) at least one amphoteric alkoxylated C ₆ to C ₂₄ alcohol amine surfactant containing from 4 to 18 alkylene oxide units of ethylene oxide and / or propylene oxide or a salt thereof;
(e) at least one non-terminally capped nonionic alkoxylated C ₆ to C ₂₄ alcohol surfactant containing from 1 to 30 alkylene oxide units.

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