DE3717600A1 - Aqueous hand cleaning composition - Google Patents

Abstract

A cleaner composition which is free-flowing or gel-like and has a content of 4-12% by weight of water-soluble anionic, nonionic and/or ampholytic or zwitterionic surfactants and 5-15% by weight of emulsifiers which are insoluble or only partly soluble in water, of the type of adducts of 1-5 mol of ethylene oxide and fatty acids or fatty alcohols with 12-16 C atoms and/or the mono- or di-(C2-C3)-alkanolamides of fatty acids with 12-18 C atoms, and 10-20% by weight of hydrophilic organic solvents with a boiling point of 100-300@C under 1 bar and at least one ether or ester group and 1-3 other oxygen-containing groups of the type of hydroxyl, ether or ester group in the molecule and 30-75% by weight of water, and the use thereof for cleaning heavily soiled skin (soiled with paint, dyes, oils, lubricants and tar).

Description

The present invention relates to aqueous hand cleaning agents for cleaning the hands from soiling caused by Handling paint or emulsion paints, oils and greases, Lubricants, tar and the like arise.

Detergent to remove dirt Human skin, especially on the hands, has been known in numerous variations for a long time. So is from the European Patent Document 51 232 a hand cleaning agent for removing Oil, fat, pigment protection, bitumen, fresh paint as well Printing inks become known, which is in the form of a homogeneous, aqueous surfactants and phosphates Composition is present. It is essential to use a Combination of water-soluble phosphates together with a special organic solvents, namely the Acetic acid (n-butoxy-2-ethoxy-ethyl) ester exists. With this Hand cleaners can achieve good results what the Cleaning concerns with the soiling mentioned. However, there are now some concerns about the Use of water soluble phosphates in combination with those proposed for use in this patent wetting agents containing quaternary ammonium groups.

The object of the present invention was therefore to provide such cleaning agents to find hand and skin areas with which on the one hand, coarse dirt can be removed,  on the other hand, the use of biologically more difficult degradable surfactants and the addition of phosphates superfluous.

The invention now relates to flowable to gel-like detergent composition, known is characterized by a salary of

4-20% by weight of water-soluble anionic, nonionic and / or ampholytic or zwitterionic Surfactants, 5-15 wt .-% not or only partially water-soluble Adduct type emulsifiers from 1-5 Moles of ethylene oxide to fatty acids or fatty alcohols with 12-16 carbon atoms and / or the mono- or Di- (C₂-C₃) alkanolamides of fatty acids with 12- 18 carbon atoms, 10-20% by weight of hydrophilic organic solvents with a Boiling point of 100-300 ° C at 1 bar and at least one ether or ester grouping and 1-3 other oxygenated groups hydroxyl, ether or ester type group in the molecule, 0-15% by weight of lipophilic, oxygen-free organic solutions medium and 30-75% by weight of water, preferably 50 to 75% by weight of water.

These are phosphate-free compositions with Values between about 200 and 10,000 mPa · s at room temperature Adjustable viscosity without the addition of thickeners.

In a preferred embodiment, the cleaner contains zuzu composition 1 to 5 wt .-% of a glycerol polyglycol ether mono fatty acid ester or a fatty acid mono- or diglyceride poly glycol ether based on a fatty acid with 12-18 C atoms and  each with 5-20 glycol ether groups as refatting Component. Through these additives - also greasing agents called - is the skin-friendly character of the new together Settlements still improved, because such an excessive degreasing of the Skin can be avoided.

Regarding the component of the soluble surfactants to be used are alkyl ether sulfate types of the formula

R¹- (C₂H₄O) _x SO₃Na,

in which R¹ is a linear alkyl group with 12-16 carbon atoms and x = 1-6, preferred compounds such as, for example, the commercially available sodium salt of alkyl ether sulfate of adducts of 3 to 4 moles of ethylene oxide with one mole of fatty alcohol having 12 to 14 carbon atoms. The amphoteric surfactants can be, for example, commercially available so-called fatty alkyl dialkyl (C₁-C₄) ammonium betaines.

One or more should be used as the hydrophilic organic solvent Compounds from the group glycolic acid C₁-C₄ ester, oxal acid C₁-C₄ ester, 3-methoxy-n-butyl acetate, phenoxypropanol or the compounds of the general formula

R²-O (C _n H _{2 n} O) _y -R³,

in which R² is hydrogen, a C₁-C₄-alkyl group or a C₂-C₄-acyl group and R³ is a C₁-C₄-alkyl group or C₂-C₄-acyl group, n = 2 or 3 and y = 1-3 can be contained in the detergent mixtures .

So, for example, there are connections of the following the constitution with boiling points between about 120 and 245 ° C at normal pressure.

HO-CH₂ · CH₂-O-CH₃Kp 124 ° C  HO-CH₂CH₂-O-C₄H₉Kp 171 ° Cr HO-CH₂CH₂-O-OCCH₃Kp 182 ° C CH₃ · COO-CH₂ · CH₂-OOC · CH₃Kp 190 ° C H₃C-O-CH₂CH₂-OOC · CH₃Kp 145 ° C H₃CH₂C-O-CH₂ · CH₂-OOC-CH₃Kp 156 ° C C₄H₉-O-CH₂ · CH₂-OOC · CH₃Kp 192 ° C C₆H₅-O-CH₂ · CH₂-OOC · CH₃Kp 259 ° C

In addition to the derivatives of ethylene glycol, these are also suitable diethylene glycol ether, for example:

HO-CH₂ · CH₂O-CH₂ · CH₂-O-CH₃Kp 194 ° C H₃CO-CH₂ · CH₂ · CH₂-O-CH₂ · CH₂-O-CH₃Kp 162 ° C H₅C₂-O-CH₂ · CH₂-O-CH₂ · CH₂-O-C₂H₅Kp 189 ° C

Finally, it should be mentioned

H₅-C₂-O-CH₂ · CH₂-O-CH₂ · CH₂-OOC · CH₃Kp 218 ° C H₉C₄-O-CH₂ · CH₂-O-CH₂ · CH₂-OOC · CH₃Kp 245 ° C

and the glycolic acid butyl ester and the oxalic acid diethyl ester.

In addition to the solvents mentioned above, which are due to the chemical structure is extremely hydrophilic hydrophobic solvents can also be used be a circumstance with regard to soiling with predominantly strong hydrophobic components - such as Example tar - can be important. After a cheap one Embodiment then contain the cleaner compositions a hydrocarbon as a lipophilic organic solvent fraction in a boiling range of 100 to 240 ° C in a quantity from 2-8% by weight.  

On the viscosity or the flow behavior of the detergent together the use of "structuring" Affect funds favorably. Among others, are suitable here 0.2-2.0% by weight of a potassium soap and / or sodium soap Fatty acid with 12-18 C atoms.

The addition of fillers with an abrasive effect is common Common not necessary, can be for particularly stubborn An but dirt should still be desirable. Such means of which are polyurethane powder, pumice flour, wood flour, quartz flour, rubber flour, calcite and fine glass beads are particularly good suitable, can be coordinated with detergent mixtures are added and result in stable, disperse hand cleaning medium.

The new detergent mixtures are suitable for removing Pollution of all kinds and can in particular especially for cleaning skin with soiling based of paint and emulsion paints, oils, fats and tar be used. They represent due to the special surfactant combination or the applicable surfactants and the lack of water-soluble phosphate-friendly detergent composition represents.

The cleaning agents can be produced according to the following scheme respectively:

The anionic surfactant is mixed with the hydrophilic solvent added. With further stirring, amphoteric surfactant, Superfatting, non-ionic surfactant and, if necessary, that Ester group containing and the lipophilic solvent added give. Water is stirred into the homogeneous mixture. On the fat is then added with continued stirring  acid salt (soap) and the portion necessary for thickening of the water-insoluble or only partially water-soluble emul gators. When filler-containing hand cleaners are made the filler should be added before adding the Soap and thickening by the above emulsifiers. For Acceleration of the mixing process that occurs in common aggregates can be carried out at temperatures up to 90 ° C, preferably be heated up to 50 ° C.

Bottling can take place immediately after reaching a homogeneous one Mix in common containers such as tubes, dispensers, plastic bottles or pumping vessels.

The table below shows various ones for hand cleaning suitable compositions with regard to the variable Components reproduced. The numbers are Percent by weight. The water content of components (1) and (2) is not included in the table, i. H. It is about with the figures given by% by weight of hydrous trade product.

(1) Sodium lauryl myristyl ether sulfate

70% aqueous solution of an alkyl ether sulfate sodium salt based on an adduct of 3.6 moles of ethylene oxide to a linear C₁₂ / C₁₄ fatty alcohol mixture (50:50)

(2) Coconut alkyl dimethyl ammonium betaine

30% aqueous solution of an N-coconut (C₁₂-C₁₈) alkyl dimethylglycins

(3) polyol fatty acid esters

Coco fatty acid monoester of an adduct of 7 Moles of ethylene oxide to glycerin.  

table

Claims (8)

1. Flowable to gel detergent composition, known is characterized by a salary of 4-20% by weight of water-soluble anionic, nonionic and / or ampholytic or zwitterionic Surfactants, 5-15 wt .-% not or only partially water-soluble Adduct type emulsifiers from 1-5 Moles of ethylene oxide to fatty acids or fatty alcohols with 12-16 carbon atoms and / or the mono- or Di- (C₂-C₃) alkanolamides of fatty acids with 12- 18 carbon atoms, 10-20% by weight of hydrophilic organic solvents with a Boiling point of 100-300 ° C at 1 bar and at least one ether or ester grouping and 1-3 other oxygenated groups hydroxyl, ether or ester type group in the molecule, 0-15% by weight of lipophilic, oxygen-free organic Solvents and 30-75 wt% water. 2. cleaner composition according to claim 1, characterized characterized that additionally 1-5% by weight of one Glycerol polyglycol ether monofatty acid ester or of a fatty acid mono- or -diglyceride-polyglycol ether based on a Fatty acid with 12-18 C atoms and with each 5-20 glycol ether groups as refatting Addition is included. 3. cleaner composition according to claim 1 and 2, characterized in that as water-soluble surfactants alkyl ether sulfate surfactants of the formula R¹-O (C₂H₄O) _x SO₃Na, in which R¹ is a preferably linear alkyl group having 12-16 C atoms and x = 1- 6 is included. 4. cleaner compositions according to any one of claims 1-3, characterized in that as the hydrophilic organic solvent medium one or more compounds from the group glycolic acid C₁-C₄ ester, oxalic acid C₁-C₄ ester, 3-methoxy-n-butyl acetate , Phenoxypropanol or the compounds of the general formula R²-O (C _n H _{2 n} O) _y -R³, in which R² is hydrogen, a C₁-C₄-alkyl group or a C₂-C₄-acyl group and R³ is a C₁-C₄-alkyl group , or C₂-C₄ acyl group, n = 2 or 3 and y = 1-3, are included. 5. cleaner compositions according to any one of claims 1-4, characterized in that as a lipophilic organic solution medium a hydrocarbon fraction in a boiling range of Contain 100 ° to 240 ° C in an amount of 2-8 wt .-% is. 6. cleaner compositions according to any one of claims 1-5, characterized in that an additional 0.2-2.0 wt .-% Potassium soap contains a fatty acid with 12-18 C atoms. 7. Use of the cleaning agent according to one of the claims 1-6 for cleaning heavily soiled skin. 8. Use of the cleaning agent according to claim 7 for Removal of paint, paint, grease, oil, lubricant and Tar soiling.