Classifications

• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/046—Salts
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/06—Phosphates, including polyphosphates
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/2075—Carboxylic acids-salts thereof
  • C11D3/2086—Hydroxy carboxylic acids-salts thereof
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
  • C11D2111/10—Objects to be cleaned
  • C11D2111/14—Hard surfaces

Definitions

• the invention described below is in the field of cleaning Hard-surface floors and is particularly concerned with a method of cleaning heavily soiled surfaces with the help of abrasive cleaning agents.
• abrasive cleaning agents used, i.e. Detergents that an abrasive component, usually fine-particle sand or the like water-insoluble inorganic materials. The removal of the contamination takes place at least partially by mechanical removal of the dirt.
• abrasives of this type are used less popular because the residue-free removal of the abrasive components of the floor surfaces is expensive and usually a multiple Rinsing required.
• liquid detergents For abrasive cleaning of heavily soiled Areas are already, for example in EP 334 566 and in US 4,179,414 liquid detergents have been proposed in a highly concentrated Surfactant solution contains undissolved water-soluble salts as an abrasive component.
• the invention relates to a method for cleaning heavily soiled hard flooring, in addition to a usual liquid aqueous cleaning agent a crystalline water-soluble salt in scatterable Form is applied to the surfaces to be cleaned and then these surfaces mechanically processed before the crystalline salt is in the cleaning solution dissolves.
• Phosphates are special as crystalline water-soluble salts prefers.
• the special effect of the method according to the invention is based on the abrasive Effect of the sprinkled crystalline salts during mechanical Machining of the floor occurs and for quick removal even stubborn dirt.
• the salts which were initially applied in solid form, then dissolve in a short time the aqueous cleaning solution completely and can easily in this form be removed from the surfaces.
• the crystalline water-soluble salts only on the places on the floors must be applied to the stubborn stains are located. As a rule, these are only small parts of the total to be cleaned Area, so that the total load of salts in the resulting wastewater remains low. In most cases, as with the usual application aqueous cleaning agent alone, completely rinsing is not required become.
• the type of liquid aqueous cleaning agent used is for the used cleaning methods of minor importance and can therefore in the usual way to be adapted to the conditions for the Cleaning of the less heavily soiled parts of the total area, on which this detergent is used alone.
• the method according to the invention can therefore easily be carried out using conventional methods Basic cleaners, all-purpose cleaners, neutral cleaners or sanitary cleaners be carried out, insofar as these are aqueous compositions acts.
• Basic cleaners, all-purpose cleaners, neutral cleaners or sanitary cleaners be carried out, insofar as these are aqueous compositions acts.
• there should be so much of these liquid cleaners be applied that the amount of liquid is able to do the additional applied amount of crystalline water-soluble salt to dissolve when the Advantages of the method according to the invention are to be fully exploited.
• the liquid aqueous optionally diluted cleaning agents are preferably used in amounts of 10 ml to 150 ml, in particular in amounts of 20 ml to 100 ml per m 2 of area to be cleaned.
• the application can take place, for example, by wiping or spraying, by hand or in particular with the aid of suitable machines.
• the surfaces to be cleaned are usually applied Metal salts of inorganic or organic acids.
• Metal salts of inorganic or organic acids Preferably be Salts of alkali metals, especially sodium or potassium salts used.
• suitable salts are sodium carbonate, potassium carbonate, sodium sulfate, Monopotassium phosphate, potassium pyrophosphate and trisodium citrate.
• Especially preferred crystalline water-soluble salts are the alkali metal phosphates which Alkali metal diphosphates and the alkali metal polyphosphates, including the Triphosphates are to be counted.
• phosphates are Monopotassium phosphate and tetrapotassium pyrophosphate.
• tetrapotassium pyrophosphate a particularly preferred phosphate.
• Phosphates also transfer in the process according to the invention the pure abrasive effect also contributes to the cleaning effect.
• the grain size of the crystalline water-soluble salts used influences in certain limits the abrasive effect and the speed of the later Dissolution in the cleaning solution. Grain sizes are therefore preferred between about 0.1 mm and about 2 mm, in particular between about 0.5 mm and about 1 mm inserted.
• the degree of water solubility required for those used as abrasives Crystalline salts result from the considerations described above for the person skilled in the art.
• the inventive used salts at 20 ° C in water a solubility of at least 30 g per Liters, in particular at least 300 g per liter.
• the water-soluble crystalline salts are preferably used to strengthen the Cleaning performance of liquid aqueous cleaning agents without further Additives applied to the heavily soiled surfaces. It is also possible these salts together with other auxiliaries and additives that in particular can further enhance the cleaning effect, in spreadable shape.
• auxiliaries and additives are Alkali carriers, surfactants, complexing agents, antimicrobial agents, bleaching agents as well as dyes and fragrances and possibly also water-insoluble ones Abrasive components, provided that the beneficial effect of The inventive method is not affected.
• these auxiliaries and additives are not separated from the crystalline water-soluble Salt applied to the surfaces, but together with this salt in one sprinkled form, which is then used as a cleaning booster referred to as.
• alkali carriers are, above all, amorphous alkaline salts, in particular from the group of alkali silicates. You can up to about 20 wt .-%, preferably between about 0.5 and about 10% by weight of the Identify cleaning amplifier.
• Suitable surfactants are, in particular, those available in solid form Surfactants from the class of anionic surfactants, in particular the linear alkylbenzenesulfonates, the alkane sulfonates and the fatty alcohol sulfates. you will be preferably used as alkali salts, especially sodium salts. However, nonionic surfactants can also be used in small quantities are used, provided that this increases the scatterability of the cleaning amplifier is not affected.
• the amount of surfactants can be up to about 10% by weight, preferably between about 0.1 and about 5% by weight of the cleaning booster turn off.
• Complexing agents primarily serve to complex calcium, magnesium and iron ions.
• suitable complexing agents are nitrilotriacetate and ethylenediaminetetraacetate.
• Such complexing agents can be found in the cleaning boosters in amounts up to about 30% by weight, preferably between about 0.1 and about 10% by weight may be included.
• Antimicrobial agents primarily serve to disinfect the surfaces, but possibly also for disinfection of those to be removed later from the surface Cleaning solution.
• suitable antimicrobial agents are quaternary ammonium compounds, paraformaldehyde, phenols and Biguanides.
• the amount of these active ingredients depends very much on the Effectiveness of the individual substances used and can therefore vary widely Limits fluctuate. So there are up to about in the cleaning boosters 20% by weight, preferably between about 0.1 and about 5% by weight possible.
• Bleaching agents are generally used for the chemical removal of bleachable soiling and in special cases to reinforce the disinfectant Effect.
• Bleaches based on active oxygen are suitable, for example, such as sodium perborate, sodium percarbonate and solid peroxycarboxylic acids, or bleaches based on active chlorine, such as sodium dichloroisocyanurate and sodium hypochlorite.
• active oxygen such as sodium perborate, sodium percarbonate and solid peroxycarboxylic acids
• bleaches based on active chlorine such as sodium dichloroisocyanurate and sodium hypochlorite.
• the amount varies within wide limits the effectiveness of the bleach. You can up in the cleaning boosters about 20% by weight, preferably between about 1 and about 5% by weight.
• the amount of crystalline water-soluble salt which is applied to the surfaces in the process according to the invention depends primarily on the severity of the soiling and on the need to remove it abrasively. Since the salt should subsequently dissolve in the additionally used aqueous cleaning agent, the amount of salt must also be matched to the amount of aqueous cleaning agent which is used on the same surface in accordance with its solubility. Therefore, preferably about 10 g to about 100 g of crystalline water-soluble salt is used per m 2 of the floor area to be cleaned. If further auxiliaries and additives, if appropriate in the form of the cleaning booster described above, are applied together with the salt, their amount should also be such that they can dissolve in the additionally applied aqueous cleaning agent.
• the crystalline is water-soluble Salt, optionally together with other auxiliary and Additives sprinkled evenly on the surface to be cleaned. Then the cleaning solution is either manually or with the help suitable devices applied to this area. But it is also possible to do this Reverse order.
• the surface is machined. In the simplest case, this can be done by hand using brushes or scrubbers respectively; in the commercial sector, however, processing with appropriate Machines, especially roller brushing machines and plate brushing machines, such as they are also used otherwise for floor cleaning. After the cleaning process is complete, it will be on the floor remaining cleaning solution in which the crystalline salt is now dissolved and in which the loosened dirt is suspended, removed from the floor.
• this solution can be wiped up by hand; in the Commercial areas are usually exclusively liquid vacuum cleaners used for this process.
• liquid vacuum cleaners used for this process.
• brush vacuums or cleaning machines with the help of which aqueous cleaning solution can be applied to the floor surfaces. If necessary, the stronger becomes for the time of the mechanical processing soiled areas until the crystalline salts dissolve switched off.
• the inventive method is suitable for all hard Floor surfaces, usually with aqueous cleaning agents treated, for example ceramic coverings, PVC and rubber.
• the process is in soft textile floor coverings, such as carpets generally unsuitable.
• the method according to the invention can be selectively used for cleaning heavily soiled areas can be used alone. Usually but in connection with a basic cleaning or a maintenance cleaning of the total area applied.

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• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Wood Science & Technology (AREA)
• Organic Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Emergency Medicine (AREA)
• Detergent Compositions (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Applications Claiming Priority (2)

Publications (3)

Family

ID=7847362

Family Applications (1)

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• 1997
  • 1997-11-03 DE DE19748379A patent/DE19748379C2/de not_active Expired - Fee Related
• 1998
  • 1998-10-24 AT AT98120204T patent/ATE256172T1/de not_active IP Right Cessation
  • 1998-10-24 EP EP98120204A patent/EP0913460B1/fr not_active Expired - Lifetime
  • 1998-10-24 DE DE59810393T patent/DE59810393D1/de not_active Expired - Lifetime

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