DE202006005910U1 - Concentrate, useful for cleaning screens, comprises monovalent alcohol; polyvalent alcohol; surfactants; complexing agent; nano-particle; optional components e.g. aroma material; and water - Google Patents

Abstract

Water-dilutable screen cleaning concentrate (A), with nano-components with freeze protection to -30[deg]C, comprises: monovalent alcohol (30-40 wt.%); polyvalent alcohol (5.25-8.5 wt.%); surfactants (1.5-3 wt.%); complexing agent (0.15 to 0.85 wt.%); particle (nano-components) (0.2-1 wt.%); optional components (up to 1 wt.%) e.g. aroma material; and water (added to make up to 100 wt.%). Water-dilutable screen cleaning concentrate (A), with nano-components with freeze protection to -30[deg]C, comprises: at least a monovalent alcohol (a) (30-40 wt.%) such as 1-4C alkanol; polyvalent alcohol (b) (5.25-8.5 wt.%); surfactants (c) (1.5-3 wt.%); complexing agent (d) (0.15 to 0.85 wt.%); particle (e) (nano-components with a particle size of 5-500 Nm) (0.2-1 wt.%) that modifies the surface optionally by complexing agent (precipitation of silicic acids, aerogel, xerogel, magnesium hydroxide, boehmite, aluminum oxyhydroxide, zirconium oxide, zinc oxide; cerium oxide, ferric oxide, magnetite, titanium oxide, titanium nitride, hydroxyl apatite, bentonite, hectorite, silicon dioxide-cerium dioxide, stannic oxide, indium oxide-stannic oxide, magnesium aluminate, hafnium oxide such as silicon dioxide-brines, aluminum oxide-brines and/or titanium dioxide-brines) (preferably coated silicon oil); optional components (f) (up to 1 wt.%) such as aroma material, dye, pH controlling agent, enzyme and rectifiers for detergent and cleaner; and water (g) (added to make up to 100 wt.%). Independent claims are also included for: (1) a water-dilutable screen cleaning concentrate (B) (as a year screen washer) with nano-components and freeze protection, comprising (a) (0.25-1.5 wt.%), (b) (preferably propylene glycol) (8-12 wt.%), (c) (45-55 wt.%), (d) (0-1 (preferably 0.1-1) wt.%), (e) (0.2-1 wt.%), (f) from preservative, dye, perfume oil and usual additives for cleaner (1 wt.%) and (g); (2) a two-phase cleaning system, for cleaning vehicle screen and headlights, comprising: at least a liquid, (A) for pre-purifying the contaminated windowpane and for smoothing the glass surface; and optionally diluted cleaning concentrate or (B); (3) a winter screen cleaner liquid (obtainable through diluting (A) (0.5-100 parts by volume of water)); and (4) a winter screen cleaner, with freeze protection up to -20[deg]C, with nano-components comprising: ethanol (25-30 wt.%), propylene glycol (1.5-2.5 wt.%), nitrilotriacetic acid (0.15-0.75 wt.%), propanetriol (3-4.5 wt.%), coated silicon oil (0.2-1 wt.%), dye (0.005-0.01 wt.%), citric acid (0.01-0.3 wt.%) and (g); and (5) a liquid, water-dilutable glass cleaning concentrate with nano-components, comprising: aliphatic hydrocarbons (5-12 wt.%) as solvents, emulsifying agents (1.5-2.5 wt.%), (b) (preferably glycolether of ethyl glycol, propylene glycol or glycerin) (1.5-2.5 wt.%), (a) (1.5-2.5 wt.%) such as isopropanol, (e) (with a particle size of 5-250 Nm) (5-15 wt.%), (c) (0.04-0.1 wt.%), controlling agent (particularly natural thickeners or surfactant thickeners) (0.5-2 wt.%), preservative (0-0.3 (preferably 0.1-0.3) wt.% and (g).

Description

The The present invention relates to water reducible glass cleaner concentrates with antifreeze effect, d. H. with frost protection up to -30 ° C or in the finished mixture up to -20 ° C, containing nanocomponents, d. H. with particles having a particle size of 5 to 500 microns. The invention further relates to a liquid, dilutable Glass cleaner paste, which is used to pre-clean the glass panes and for thorough Removal of contamination of the glass surface can be used.

The The invention further relates to a two-phase window cleaning system with the components pre-cleaning paste and aftertreatment component, d. H. Window cleaner liquid also contains nanocomponents.

• 1. Schutz des Systems vor Einfrieren
• 2. Schutz der Scheibe vor Wiedervereisung bei Temperaturen knapp unter dem Gefrierpunkt, hoher Luftfeuchtigkeit und noch nicht betriebswarmem Fahrzeug.
• 3. Rasche und vollständige Entfernung wintertypischer Verschmutzungen von der Windschutzscheibe im Interesse eines verkehrssicheren Betriebs des Kraftfahrzeuges.

In the windshield and headlight washing systems of motor vehicles, in the winter months in the colder climates, alcohol and glycol-containing liquids are usually used with the following objectives:

• 1. Protection of the system from freezing
• 2. Protection of the disc from re-icing at temperatures just below freezing, high humidity and not yet warm vehicle.
• 3. Rapid and complete removal of typical winter contaminants from the windshield in the interest of traffic-safe operation of the motor vehicle.

The These requirements are consistently passed by good branded products Fulfills. Condition is however the perfect, d. H. practically new Condition of windscreen and wiper blades. Understandably can this new condition be carried out under normal conditions (mechanical Load on the glass surface) at high highway speeds due to the impact of small particles (eg sand grains, Rub this particle through the windscreen wiper, improper manual Cleaning heavily soiled discs) not received.

generally known The uppermost part of the glass surface is made up of a gel layer in dependence from the supplied Moisture builds up or dries without water. hereby arise microscopically fine cracks and craters, which on the one hand the optical quality affect the disc and on the other hand store dirt particles. The consequences are - even at Use of high-quality glass cleaner - streaking and fogging, combined with light scattering and glare effects during night driving in the rain.

EP 0 772 514 A1 describes a self-cleaning surface reproduced by the plants of objects having an artificial surface structure of elevations and depressions and is characterized in that the distance between the elevations in the range of 5 to 200 microns and the height of the elevations in the range of 5 to 100 microns and at least the elevations are made of hydrophobic polymers and durable hydrophobic materials and the elevations are not removable by water or water with detergents.

Further describes DE 199 52 383 A1 Detergents and cleaning agents that change the substrate to be cleaned temporarily so that the surface of the substrate to be cleaned has temporary dirt-repellent properties.

objective The present invention was therefore a window cleaner to develop, using the nano-technology and the described to reduce or remedy the negative consequences of windscreen aging.

to Achieving the described objective has been proven to be good Winter window cleaner with various nanoscale components additiviert and a practice review in older vehicles subjected. Contrary to expectations, however, were compared to the non-additive screen cleaner is not a significantly better Results achieved in the short-term application. However, there were improvements or effects after a long time Use of an additive screen cleaner can be achieved.

in the further course of the experiments showed that the desired Improvements or short-term effects are not obtained until after a basic cleaning of the pane by means of a glass cleaning paste carried out becomes. This is understandable as coarser Unevenness in the disk surface of the nanoscale components only very slowly completely filled so that prior microscopic smoothing makes sense.

• a) 30 bis 40 Gew.-% wenigstens eines einwertigen Alkohols, ausgewählt aus der Gruppe, bestehend aus C₁ bis C₄-Alkanolen,
• b) 5,25 bis 8,5 Gew.-% mindestens eines mehrwertigen Alkohols,
• c) 1,5 bis 3 Gew.-% Tenside,
• d) 0,15 bis 0,85 Gew.-% Komplexbildner,
• e) 0,2 bis 1 Gew.-% Partikel mit einer Teilchengröße von 5 bis 500 nm, die an der Oberfläche gegebenenfalls durch Komplexbildner modifiziert sind, ausgewählt aus der Gruppe aus Fällungskieselsäuren, Aerogelen, Xerogelen, Mg(OH)₂, Böhmit (Al(O)OH, ZrO₂, ZnO; CeO₂, Fe₂O₃, Fe₃O₄, TiO₂, TiN, Hydroxylapatit, Bentonite, Hektorit, SiO₂·CeO₂, SnO₂, In₂O₃·SnO₂, NgAl₂O₄, HfO₂, Solen wie SiO₂-Solen, Al₂O₃-Solen oder TiO₂-Solen, sowie Gemische der voranstehenden, wobei insbesondere gecoatetes Kieselsol besonders bevorzugt ist,
• g) gegebenenfalls bis zu 1 Gew.-% fakultative Bestandteile aus der Gruppe ausgewählt aus Duftstoffen, Farbstoffen, pH-Stellmitteln, Enzymen sowie üblichen Hilfsmitteln für Wasch- und Reinigungsmittel,
• g) Differenz auf 100 Gew.-% Wasser, gelöst.

The above object is therefore achieved by the cleaning concentrate according to claim 1, namely by a water-dilutable window cleaning concentrate with nanocomponent with a frost protection to -30 ° C, comprising:

• a) from 30 to 40% by weight of at least one monohydric alcohol selected from the group consisting of C ₁ to C ₄ -alkanols,
• b) from 5.25 to 8.5% by weight of at least one polyhydric alcohol,
• c) from 1.5 to 3% by weight of surfactants,
• d) 0.15 to 0.85% by weight of complexing agent,
• e) 0.2 to 1 wt .-% of particles with a Teilchengrö 5 to 500 nm, which are optionally modified on the surface by complexing agents selected from the group consisting of precipitated silicas, aerogels, xerogels, Mg (OH) ₂ , boehmite (Al (O) OH, ZrO ₂ , ZnO, CeO ₂ , Fe ₂ O _3, Fe ₃ O _4, TiO _2, TiN, hydroxylapatite, bentonites, hectorite, SiO _2, CeO _2, SnO _2, In ₂ O ₃ · SnO _2, NGAL ₂ O _4, HfO _2, sols, such as SiO ₂ Sols, Al ₂ O ₃ sols or TiO ₂ sols, as well as mixtures of the above, wherein especially coated silica sol is particularly preferred,
• g) optionally up to 1% by weight of optional constituents selected from the group consisting of fragrances, dyes, pH adjusters, enzymes and customary auxiliaries for detergents and cleaners,
• g) difference to 100 wt .-% water, dissolved.

The The above object is further achieved by the all-year window cleaner concentrate according to claim 7 solved.

Farther The present invention relates to a liquid, water-dilutable glass cleaner paste (so-called Mikrotec glass cleaner paste) according to claim 11th

• A) wenigstens eine flüssige, wasserverdünnbare Glasreinigerpaste gemäß Anspruch 10 zur Vorreinigung der Glasscheibe von Verschmutzungen und zur Bewirkung einer Glättung der Glasfläche,
• B) ein gegebenenfalls verdünntes Reinigerkonzentrat gemäß einem der Ansprüche 1 bis 9 oder ein wasserverdünnbares Konzentrat nach einem der Ansprüche 7 bis 9.

Finally, the present invention also relates to a two-phase cleaning system for cleaning vehicle windows and headlights according to claim 14, comprising as components:

• A) at least one liquid, water-dilutable glass cleaner paste according to claim 10 for pre-cleaning the glass sheet of dirt and for effecting a smoothing of the glass surface,
• B) an optionally diluted detergent concentrate according to any one of claims 1 to 9 or a water-dilutable concentrate according to any one of claims 7 to 9.

• 1. Die durch längeren Gebrauch entstandenen mikrofeinen Krater und Schrammen der Glasoberfläche werden nach und nach aufgefüllt. Die Folge ist eine geglättete Scheibe wie nahezu neuwertig.
• 2. Wie die Versuche bei Nachtfahrten und Regen zeigten, wird die optische Qualität der Scheibe verbessert. Im Idealfall besteht für die Fahrzeuginsassen der Eindruck, dass im Sichtfeld keine störende Scheibe vorhanden ist.
• 3. Zusätzlich wird das Anhaften von Schmutz vermindert, sodass bei den ersten Wisch-Waschzyklen weniger Sichtbeeinträchtigungen durch Schlieren auftreten.
• 4. Die reinigende Wirkung der Detergentien wird unterstützt.
• 5. Die Scheibenwischer laufen leichter und leiser.
• 6. Die Scheibenoberfläche wird von Regenwasser leichter und schneller benetzt.

The winter washer cleaner added component contains nano-particles with glass-active properties. These are bound to the glass structure when applied to the glass surface and have the following effect:

• 1. The microfine craters and scratches of the glass surface resulting from prolonged use are gradually filled up. The result is a smoothed disc almost as new.
• 2. As the tests at night driving and rain showed, the optical quality of the disc is improved. Ideally, there is the impression for the vehicle occupants that no disturbing disc is present in the field of view.
• 3. In addition, the adhesion of dirt is reduced, so that less visually impaired streaks occur during the first wiping-washing cycles.
• 4. The cleaning action of the detergents is supported.
• 5. The windscreen wipers run lighter and quieter.
• 6. The windscreen surface is wetted by rainwater more easily and faster.

The particles are selected from precipitated silica aerogels, xerogels, Mg (OH) ₂ , boehmite (Al (O) OH, ZrO ₂ , ZnO, CeO ₂ , Fe ₂ O _3, Fe ₃ O _4, TiO _2, TiN, hydroxylapatite, bentonites, hectorite, SiO _2, CeO _2, SnO _2, In ₂ O ₃ · SnO _2, NGAL ₂ O _4, HfO _2, sols, such as SiO ₂ - Sols, Al ₂ O ₃ sols or TiO ₂ sols, as well as mixtures of the foregoing, Coated silica sol according to the invention is particularly preferred.

• 1) 1,5 bis 2,5 Gew.-% Tenside,
• 2) 0,15 bis 0,75 Gew.-% Komplexbildner NTA,
• 3) 1,5 bis 2,5 Gew.-% Propylenglykol,
• 4) 3 bis 4,5 Gew.-% Propantriol,
• 5) 25 bis 30 Gew.-% Ethanol,
• 6) 0,005 bis 0,01 Gew.-% Parfümöl,
• 7) 0,2 bis 1 Gew.-% gecoatetes Kieselsol,
• 8) 0,005 bis 0,01 Gew.-% Farbstoff,
• 9) 0,01 bis 0,3 Gew.-% Zitronensäure,
• 10) Differenz auf 100 Gew.-% Wasser.

In a preferred embodiment of the invention, the window cleaner (winter, ready-to-use mixture) contains the following components:

• 1) 1.5 to 2.5% by weight of surfactants,
• 2) 0.15 to 0.75% by weight of complexing agent NTA,
• 3) 1.5 to 2.5% by weight of propylene glycol,
• 4) from 3 to 4.5% by weight propanetriol,
• 5) from 25 to 30% by weight of ethanol,
• 6) 0.005 to 0.01% by weight of perfume oil,
• 7) 0.2 to 1% by weight of coated silica sol,
• 8) 0.005 to 0.01% by weight of dye,
• 9) 0.01 to 0.3% by weight of citric acid,
• 10) Difference to 100% by weight of water.

• 1) 1,5 bis 3 Gew.-% Tenside,
• 2) 0,15 bis 0,85 Gew.-% Komplexbildner NTA,
• 3) 1,75 bis 3 Gew.-% Propylenglykol,
• 4) 3,5 bis 5,5 Gew.-% Propantriol,
• 5) 30 bis 40 Gew.-% Ethanol,
• 6) 0,03 bis 0,045 Gew.-% Parfümöl,
• 7) 0,2 bis 1 Gew.-% gecoatetes Kieselsol,
• 8) 0,001 Gew.-% Farbstoff,
• 9) 0,01 bis 0,3 Gew.-% Zitronensäure,
• 10) Differenz auf 100 Gew.-% Wasser.

The Windscreen Cleaner Winter Concentrate Mix (see claim 1) is antifreeze effective up to -30 ° C and can contain the following components in a mixture with antifreeze to -20 ° C:

• 1) 1.5 to 3% by weight of surfactants,
• 2) from 0.15 to 0.85% by weight of complexing agent NTA,
• 3) 1.75 to 3% by weight of propylene glycol,
• 4) 3.5 to 5.5% by weight propanetriol,
• 5) 30 to 40% by weight of ethanol,
• 6) 0.03 to 0.045% by weight of perfume oil,
• 7) 0.2 to 1% by weight of coated silica sol,
• 8) 0.001% by weight of dye,
• 9) 0.01 to 0.3% by weight of citric acid,
• 10) Difference to 100% by weight of water.

Suitable monohydric alcohols for the purpose of the present invention are all water-miscible monohydric alcohols, in particular C ₁ to C ₄ alkanols, in particular ethanol and 1-propanol.

polyvalent Alcohols in the pane cleaning concentrate according to the invention can be used are propylene glycol and propane triol, d. H. Glycerol.

1,2,3-propanetriol or glycerin is in esterified form in natural fats and oils, for example in rapeseed oil, and falls for example as a by-product in the production of biodiesel. It is likely that propane triol will be available in significant quantities at reasonable prices stands. In addition, propantriol is physiologically harmless, environmentally friendly and readily biodegradable. The propanetriol also provides the composition with a sufficiently low freezing point for dilution for later use so as to provide the antifreeze effect. Furthermore, it has been shown that propanetriol can be used as an excellent substitute for ethylene glycol in winter washers and their concentrates. In addition, glycerol shows a good dissolving action on insect residues, which allows use in the annual transitions.

The used surfactants are able to reduce the surface tension of the water, around oily and watery liquids by the same hydrophilic and lipophilic properties of To emulsify surfactants.

By the addition of a lime-binding substance or a complexing agent will further ensure that used for diluting the composition calcareous water corresponding to calcium and magnesium ions is freed, so no precipitation occur in the windscreen washer system. This will continue in particular Ensures the perfect long-term function of fan nozzles.

at in the composition of the invention The surfactants used may furthermore be anionic, nonionic or amphoteric surfactants. Anionic surfactants carry an additional negative charge on the hydrophilic section, which still has the detergency additionally elevated. amphoteric Surfactants have both an additional positive as well as negative charge and are generally called co-surfactants used. The nonionic surfactants have various properties. On the one hand, by their use, the detergency of the composition according to the invention improved, on the other hand can they act as emulsifiers and foam stabilizers or for thickening added to the composition become.

Of the Winter window cleaner according to the invention contains in a further embodiment anionic surfactants selected are selected from the group consisting of alkanesulfonate (SAS) and lauryl ether sulfate.

In an embodiment the complexing agent is selected from the group consisting of ethylenediamine tetracetic acid (EDTA), Gluconic acid, tartaric acid, citric acid, nitrilotriacetic acid (NTA), diethylenetriamine pentaacetic acid (DTPA), Cyclohexanediamine (1,2) -tetraacetic acid (CDTA), Ethylene glycol bis (aminoethyl ether) -N, N'-tetraacetic acid (EGTA), N- (2-hydroxyethyl) ethylenediamine-N, N, N'-triacetic acid trisodium salt and triethylenetetraaminehexaacetic acid (TTHA). Alternatively, too corresponding salts of the above-listed compound used which are generally characterized by a higher water solubility distinguished.

The Composition according to the invention contains in one embodiment at least one dye in an amount of 0-0.1% by weight. The dye is used here to the winter disc cleaner a to give appealing color, to serve as a signal or warning color and is preferred in an amount of 0.05 to 0.10 wt%, and more preferably in one Amount of 0.09 to 0.10 wt .-% used in the winter washer. Farther Suitable dyes are known in the art.

Of the at least one dye is selected from the group consisting azo dyes, indigo dyes and anthraquinone dyes, which are well known to those skilled in the art.

The Composition according to the invention contains in one another embodiment at least one perfume in an amount of about 0.01-0.5% by weight. The fragrance gives the winter window cleaner an appealing Odor note and is preferably in an amount of 0.25 to 0.45 wt .-% and more preferably in an amount of 0.4 to 0.45 wt% in the winter window cleaner contain.

Of the at least one fragrance is selected from the group consisting from terpenes and essential oils. Either in terpenes as well as essential oils it is bioavailable and renewable raw materials, for example in the form of orange terpenes Can be isolated from orange peel.

The Winter Disk Cleaner Concentrate is in a preferred embodiment mixed with different amounts of water to a winter window cleaner provide. Dependent on from the outside temperature may be a volume fraction of the concentrate according to the invention, for example be diluted with one or two volumes of water so as to be a usable winter window cleaner provide.

The The present invention also relates to a two-phase window cleaner system. containing on the one hand as component (A) the special liquid glass cleaning paste according to claim 10 containing so-called microtec abrasive particles.

In the first step of the pre-treatment, a thorough pre-cleaning of the car windshield can be carried out with this glass cleaning paste and a smoothing effect with respect to the glass sheet can be achieved.

These smoothing and cleansing action is produced by finely divided abrasives and thereby achieves a smoothing effect Fine polishing effect. As a result, also micro scratches are largely eliminated.

In This treatment step pretreatment glass surface can then with the window cleaner liquid be cleaned from the car wash, with both the detergent liquid according to claim 1 as well as the detergent liquid according to claim 7 can be used.

By the treatment once with the liquid Glass cleaning paste and on the other hand with the window cleaner liquid occurs a reduced light scattering in the car glass. This reduces the risk of glare and increases the clear transparency for the car user and is an important safety aspect when driving a car.

The Composition according to the invention can continue to be consistent Long-term cleaning and for the award of long-term antifreeze protection of vehicle windows be used. Dependent on from the dilution of the concentrate can have a frost protection effect of up to -30 ° C and in special cases achieved up to -42 ° C become.

The The following examples serve to illustrate the invention without however, to limit these.

Examples

1) Microtec glass cleaner (Glass cleaning paste)

• 1) 1,5 bis 2,5 Gew.-% Emulgator
• 2) 5 bis 12 Gew.-% Lösungsmittel
• 3) 0,5 bis 1 Gew.-% Limonene
• 4) 1,5 bis 2,5 Gew.-% Glykolether
• 5) 1,5 bis 2,5 Gew.-% Alkohol
• 6) 5 bis 15 Gew.-% mikrofeine Abrassivstoffe
• 7) 0,04 bis 0,1 Gew.-% Tenside, anionisch
• 8) 0,5 bis 2 Gew.-% Stellmittel
• 9) 0,1 bis 0,3 Gew.-% Konservierungsmittel
• 10) Differenz auf 100 Gew.-% Wasser

A composition (Microtec glass cleaner) was prepared containing the following ingredients in the parts by weight indicated:

• 1) 1.5 to 2.5 wt .-% emulsifier
• 2) 5 to 12% by weight of solvent
• 3) 0.5 to 1% by weight limonene
• 4) 1.5 to 2.5% by weight of glycol ether
• 5) 1.5 to 2.5% by weight of alcohol
• 6) 5 to 15% by weight of microfine abrasives
• 7) from 0.04 to 0.1% by weight of surfactants, anionic
• 8) 0.5 to 2 wt .-% adjusting agent
• 9) 0.1 to 0.3% by weight of preservative
• 10) Difference to 100% by weight of water

2. Winter washer cleaner concentrate

• 1) 1,5 bis 3 Gew.-% Tenside
• 2) 0,15 bis 0,85 Gew.-% Komplexbildner NTA
• 3) 1,75 bis 3 Gew.-% Propylenglykol
• 4) 3,5 bis 5,5 Gew.-% Propantriol
• 5) 30 bis 40 Gew.-% Ethanol
• 6) 0,03 bis 0,045 Gew.-% Parfümöl
• 7) 0,2 bis 1 Gew.-% gecoatetes Kieselsol
• 8) 0,001 Gew.-% Farbstoff
• 9) 0,01 bis 0,3 Gew.-% Zitronensäure
• 10) Differenz auf 100 Gew.-% Wasser

A composition (Winter Disk Cleaner Concentrate) was prepared containing the following ingredients in the parts by weight indicated:

• 1) 1.5 to 3 wt .-% surfactants
• 2) 0.15 to 0.85 wt .-% complexing agent NTA
• 3) 1.75 to 3% by weight of propylene glycol
• 4) 3.5 to 5.5% by weight propanetriol
• 5) 30 to 40% by weight of ethanol
• 6) 0.03 to 0.045 wt .-% perfume oil
• 7) 0.2 to 1 wt .-% coated silica sol
• 8) 0.001% by weight of dye
• 9) 0.01 to 0.3% by weight of citric acid
• 10) Difference to 100% by weight of water

3. Whole Year Slice Cleaner Concentrate (1: 100)

A Composition (Whole Year Slice Concentrate (1: 100)) prepared containing the following ingredients in the specified parts by weight contains:

• 1) 45 to 55 wt .-% surfactant combination
• 2) 0.25 to 1.5% by weight of ethanol
• 3) 8 to 12% by weight of propylene glycol
• 4) 0.1 to 1 wt .-% complexing agent NTA
• 5) 6 to 14 wt .-% coated silica sol
• 6) 0.1 to 0.3 wt .-% preservative
• 7) 0.005 to 0.01% by weight of dye
• 8) 0.1 to 0.3% by weight of perfume oil
• 9) Difference to 100% by weight of water

4. window cleaner composition, Ready-to-use mixture, frost protection -20 ° C

A Composition (window cleaner composition, ready to use Mixture, antifreeze -20 ° C) prepared containing the following ingredients in the specified parts by weight contains:

• 1) 1.5 to 2.5 wt .-% surfactants
• 2) 0.15 to 0.75 wt .-% complexing agent NTA
• 3) 1.5 to 2.5% by weight of propylene glycol
• 4) 3 to 4.5% by weight propanetriol
• 5) 25 to 30 wt .-% ethanol
• 6) 0.005 to 0.01% by weight of perfume oil
• 7) 0.2 to 1 wt .-% coated silica sol
• 8) 0.005 to 0.01% by weight of dye
• 9) 0.01 to 0.3% by weight of citric acid
• 10) Difference to 100% by weight of water

5. Application the window cleaning system according to the invention

Step 1: Pretreatment

By Application of the liquid glass cleaning paste according to the invention will be a thorough removal of contamination of the glass surface achieved:

Step 2:

In the second step with intermittent loading Action with windscreen cleaning liquid from the car wash, which contains both the above recipe according to all-season mixture and winter concentrate, remaining unevenness on the disc are eliminated by nanocomponents of the drug. As a result, the otherwise disruptive refraction of light is significantly reduced and the light transmission of the glass is improved.

The The present invention therefore relates to compositions according to dilution with water for cleaning vehicle windows and headlamps at low temperatures (down to -30 ° C) are suitable. The compositions are also capable of varying degrees of dilution, vehicle windows thoroughly and to cleanse sustainably. The compositions have advantageous Properties on and lie u. a. also available in the manufacture of, environmentally friendly and inexpensive Raw materials.

Farther it has succeeded with the new winter washer system, the Cleaning effect of winter window washers on older vehicles with Operationally aged windshields to improve and thus the traffic safety of the vehicles under unfavorable Increase weather conditions.

Claims (14)

Water-dilutable window cleaning concentrate with nano-components with antifreeze to -30 ° C, comprising: a) 30 to 40 wt .-% of at least one monohydric alcohol selected from the group consisting of C ₁ to C ₄ alkanols, b) 5.25 to 8 , 5% by weight of at least one polyhydric alcohol, c) 1.5 to 3% by weight of surfactants, d) 0.15 to 0.85% by weight of complexing agent, e) 0.2 to 1% by weight Particles having a particle size of 5 to 500 nm (nanocomponents), which are optionally modified on the surface by complexing agents selected from the group consisting of precipitated silicas, aerogels, xerogels, Mg (OH) ₂ , boehmite (Al (O) OH, ZrO ₂ , ZnO, CeO ₂ , Fe ₂ O ₃ , Fe ₃ O ₄ , TiO ₂ , TiN, hydroxyapatite, bentonites, hectorite, SiO ₂ .CeO ₂ , SnO ₂ , In ₂ O ₃ SnO ₂ , NgAl ₂ O ₄ , HfO ₂ , sols such as SiO ₂ sols, Al ₂ O ₃ sols or TiO ₂ sols, as well as mixtures of the above, wherein in particular coated silica sol is particularly preferred, f) up to 1 wt .-% optional Be constituents selected from the group consisting of fragrances, dyes, pH adjusters, enzymes and customary auxiliaries for detergents and cleaners, g) difference to 100% by weight of water. Window cleaning concentrate according to claim 1, characterized characterized in that the at least monohydric alcohol is selected from the group consisting of ethanol, 1-propanol, 2-propanol, with ethanol is preferred. Windscreen cleaning concentrate according to claim 1, characterized in that that the glycol is selected is selected from the group consisting of 1,2-propylene glycol, propanetriol, wherein in particular 1,2-propylene glycol in an amount of 1.75 to 3 wt .-% and propanetriol in an amount of 3.5 to 5.5 wt .-% present are. Windscreen cleaning concentrate according to claim 1, characterized in that that the surfactants anionic surfactants, non-ionic or ampothere surfactants are, in particular anionic surfactants are preferred, selected from the group consisting of alkanesulfonate and lauryl ether sulfate. A window cleaning concentrate according to claim 1, wherein the complexing agent selected is selected from the group consisting of EDTA, gluconic acid, tartaric acid, citric acid, nitrilotriacetic acid (NTA), diethylenetriaminepentaacetic acid, cyclohexanediamine (1,2) -tetraacetic acid, ethylene glycol bis (aminoethyl ether) -N, N'-tetraacetic acid, N- (2 hydroxyethyl) ethylenediamine-N, N, N'-triacetic acid trisodium salt and triethylenetetraminehexaacetic acid, wherein nitrilotriacetic acid (NTA) is particularly preferred. Window cleaning concentrate according to one of the preceding claims 1 to 5, characterized in that as optional ingredients 0.03 to 0.045% by weight of perfume oil, 0.001% by weight of dye and 0.01 to 0.3% by weight of citric acid are present. Water-dilutable window cleaning concentrate with nanocomponents as all-season antifreeze pane cleaner comprising: a) from 0.25 to 1.5% by weight of at least one monohydric alcohol selected from the group consisting of ethanol, 1-propanol and 2-propanol, wherein ethanol b) from 8 to 12% by weight of at least one polyhydric alcohol, in particular propylene glycol, c) from 45 to 55% by weight of surfactants, d) from 0 to 1% by weight, in particular from 0.1 to 1% by weight. % of a complexing agent, e) 6 to 14 wt .-% of particles having a particle size of 5 to 500 nm, wherein the particles are in particular selected from precipitated silicas, aerogels, xerogels, Mg (OH) ₂ , boehmite (Al (O) OH, ZrO _2, ZnO, CeO _2, Fe ₂ O _3, Fe ₃ O _4, TiO _2, TiN, hydroxylapatite, bentonites, hectorite, SiO _2, CeO _2, SnO _2, In ₂ O ₃ · SnO _2, NGAL ₂ O ₄ , HfO ₂ , sols such as SiO ₂ sols, Al ₂ O ₃ sols or TiO ₂ sols, and mixtures of the foregoing, in particular coated silica sol particularly preferably i st, f) up to 1 wt .-% of optional ingredients from the group consisting of preservatives, dyes, perfume oils and conventional additives for cleaning agents, g) difference to 100 wt .-% water. Windscreen cleaning concentrate according to claim 7, characterized in that that the complexing agent is selected is selected from the group consisting of EDTA, gluconic acid, tartaric acid, citric acid, nitrilotriacetic acid (NTA), diethylenetriaminepentaacetic Cyclohexanediamine (1,2) -tetraacetic acid, ethylene glycol bis (aminoethyl ether) -N, N'-tetraacetic acid, N- (2-hydroxyethyl) ethylenediamine-N, N, N'-triacetic acid trisodium salt and triethylenetetraminehexaacetic acid, wherein nitrilotriacetic acid (NTA) is particularly preferred. Window cleaning concentrate according to claim 7 or 8, characterized characterized in that as optional ingredients preservatives in amounts of 0.1 to 0.3 wt .-%, dyes in amounts of 0.005 to 0.01% by weight and perfume oils in amounts of 0.1 to 0.3 wt .-% are present. Window cleaning concentrate or glass cleaner after one of the preceding claims 1 to 10, characterized in that additional enzymes are included for removing insect remains, blood plasma, chitin, pollen Etc. Two-phase cleaning system for cleaning vehicle windows and headlamps containing as components: A) at least a liquid, water-dilutable glass cleaner paste according to claim 10 or 11 for pre-cleaning the glass pane of dirt and to effect a smoothing the glass surface, B) an optionally diluted Cleaner concentrate according to a the claims 1 to 6 or a water-dilutable one Concentrate according to one of the claims 7 to 9. Window cleaner liquid, obtainable by diluting the A detergent concentrate according to any of the preceding claims 1 to 10 with 0.5 to 100 volumes of water. Winter window cleaner with frost protection down to -20 ° C with nanocomponents, including: a) from 25 to 30% by weight of ethanol, b) 1.5 to 2.5 % By weight of propylene glycol, c) 0.15 to 0.75 wt .-% complexing agent NTA d) 3 to 4.5% by weight propanetriol, e) 0.2 to 1% by weight Particles with a particle size of 5 up to 500 nm, in particular coated silica sol, f) 0.005 to 0.01% by weight of dye, g) 0.01 to 0.3% by weight of citric acid H) Difference to 100 wt .-% water. liquid, dilutable Glass cleaning paste with nanocomponents, containing: a) 5 bis 12% by weight of aliphatic hydrocarbons as solvent, b) 1.5 to 2.5% by weight of emulsifiers, c) 1.5 to 2.5 wt .-% of at least one polyhydric alcohol, in particular a glycol ether from the group from ethylene glycol, propylene glycol and glycerine, d) 1.5 to 2.5% by weight of at least one monohydric alcohol, in particular isopropanol, e) 5 to 15% by weight of microfine abrasives having a particle size of 5 up to 250 nm, f) 0.04 to 0.1 wt .-% surfactants, in particular anionic surfactants, g) 0.5 to 2 wt .-% adjusting agent, in particular from the group of natural Thickener or surfactant thickener, H) 0 to 0.3 wt .-%, in particular 0.1 to 0.3 wt .-% preservative, i) Difference to 100 wt .-% water.