EP0642572A1 - Floor cleaning process. - Google Patents
Floor cleaning process.Info
- Publication number
- EP0642572A1 EP0642572A1 EP93909943A EP93909943A EP0642572A1 EP 0642572 A1 EP0642572 A1 EP 0642572A1 EP 93909943 A EP93909943 A EP 93909943A EP 93909943 A EP93909943 A EP 93909943A EP 0642572 A1 EP0642572 A1 EP 0642572A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning
- alkyl
- surfactant solution
- floor
- agents
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/29—Sulfates of polyoxyalkylene ethers
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/662—Carbohydrates or derivatives
Definitions
- the present invention is in the field of cleaning floors using aqueous surfactant solutions.
- agents which, after being applied and distributed on the floor surfaces, produce more or less hard protective films.
- the agents generally contain heavy eta salts, usually in emulsified form, waxes or film-forming polymers and crosslinking active ingredients, which together form self-glossy or polishable films on the treated surfaces after drying.
- heavy eta salts usually in emulsified form, waxes or film-forming polymers and crosslinking active ingredients, which together form self-glossy or polishable films on the treated surfaces after drying.
- a disadvantage of these agents is that removal of the firmly adhering films, if it becomes necessary, for example because of dirt or damage, is only possible under extreme conditions.
- agents which contain high amounts of surfactants, often together with alkaline substances, organic solvents or abrasives. In many cases, these agents can be used to thoroughly remove dirt and old coverings, but the surfaces cleaned in this way are usually exposed to re-soiling without protection, unless a preservation treatment is connected.
- methods are known for superficial cleaning, in which only loosely attached and adhering dirt is removed without the care films being attacked.
- the agents used contain surfactants only in a low concentration and at most small amounts of alkali. Usually, low concentrations of care substances are contained at the same time, which is why these agents are also referred to as wiping agents.
- a major problem with the last-mentioned methods which also includes the method according to the present invention, is that, with good dirt removal, the other properties of the floor surface, in particular its gloss, are not impaired.
- This problem is often only poorly solved in the methods used today because the cleaning agents used cannot be distributed evenly enough and dry up in strips. In spite of many proposals in this area, there was therefore still the task of developing an overall more satisfactory process.
- the present invention offers a solution to this problem in the form of a method for cleaning floors, in which an undiluted aqueous surfactant solution is applied to the floor, preferably by spraying, and distributed there by wiping, this solution containing a surfactant combination of alkyl polyglycoside and alkyl ether sulfate.
- the process of spraying on and in particular the subsequent wiping of the floor achieves a largely uniform distribution of the cleaning agent, so that its action can develop evenly.
- the portion of the surfactant solution remaining on the floor after wiping dries so uniformly on the floor surface in an unprecedented manner that no streaks are visible and the surface gloss remains intact.
- the high cleaning effect and the property of streak-free drying are decisively determined by the surfactant combination of alkyl polyglycoside and alkyl ether sulfate present in the solution.
- the alkyl polyglycosides used according to the invention are surfactants of the general formula I R-0 (-G) n I
- R is a long-chain alkyl radical with 8 to 22 C atoms
- G is a glycosidically bonded radical of a monosaccharide and n is a value between 1 and 10.
- Alkyl polyglycosides have been known as surface-active substances for more than 50 years and can be produced in various ways. In this context, reference should only be made to European patent application 362 671, which also cites literature on older processes.
- a synthesis which is important today on an industrial scale consists essentially in the acid-catalyzed condensation of monosaccharides of the aldose type (HO-G) with long-chain alcohols (R-OH) which contain 8 to 22, preferably 8 to 18, C atoms .
- R-OH long-chain alcohols
- alkyl glycosides In the preparation of the alkyl glycosides, it is also possible to start from oligosaccharides or polysaccharides which, in the course of the acid-catalyzed reaction, are first depolymerized to lower fragments by hydrolysis and / or alcoholysis before the alkyl glycosides of the formula I form. Mixtures of different reducing monosaccharides or polysaccharides which contain different monosaccharide units can also be used as starting materials, and if n is greater than 1, correspondingly mixed alkyl glycoside molecules can be formed.
- the following monosaccharides are preferably suitable as starting materials: glucose, mannose, galactose, arabinose, apiose, lyxose, gallose, old rose, Idose, ribose, xylose and talose as well as the oligosaccharides and polysaccharides composed of these monosaccharides, for example maltose, lactose, maltotriose, hemicellulose, starch, partial hydrolysates of starch and sugar syrup.
- alkyl glycosides are preferred which are composed of the same monosaccharide units. Alkyl glycosides in which the rest (-G) is derived from glucose are particularly preferred.
- glucose, maltose, starch and other oligomers of glucose are used accordingly as starting materials.
- the alkyl part R is derived from long-chain, optionally unsaturated, preferably primary alcohols, which may be branched but preferably are not branched.
- Examples are the synthetic oxo alcohols with 9 to 15 C atoms and the fatty alcohols obtained from natural fatty acids with 8 - 22 C atoms.
- the fatty alcohols with 8 to 18 carbon atoms and the oxo alcohols with 11 to 15 carbon atoms are preferred, but in particular the fatty alcohols with 8 to 10 carbon atoms or with 12 to 14 carbon atoms.
- alkyl glycosides of formula I In addition to the actual alkyl glycosides of formula I, industrially manufactured products generally also contain certain proportions of free alcohol R-OH and non-acetalized saccharides, optionally in oligo-derived form. In most cases, these technical impurities do not interfere with the intended use. If alcohol mixtures are used in the manufacture of the alkyl glycosides, for example alcohols based on natural fats, the alkyl glycosides are naturally also mixtures with a correspondingly greater meaning of R in formula I.
- the second component used in the surfactant mixture according to the invention is alkyl ether sulfate. Chemically speaking, these are salts of sulfuric acid monoesters of ethoxylated long-chain alcohols with the general formula II
- Alkyl ether sulfates have long been in practical use as surfactants, so that the preparation need not be discussed in more detail here.
- a common method is the ethoxylation of long-chain alcohols R-OH with m mol of ethylene oxide and subsequent sulfation and neutralization.
- the radical R 1 is derived from long-chain, optionally unsaturated, preferably primary alcohols, which can be branched, but are preferably not branched. Examples are the synthetic oxo alcohols with 9 to 15 carbon atoms and the fatty alcohols with 8 to 22 carbon atoms obtained from natural fatty acids.
- ether sulfates are preferred in which R 'is derived from fatty alcohols with 10 to 18 C atoms or from oxo alcohols with 11 to 15 C atoms.
- the index m indicates the number of moles of ethylene oxide (E0) that are bound in the molecule.
- the value for m in the ether sulfates which can be used according to the invention is between 1 and 6, preferably between 2 and 4.
- M represents the cation of the base used to neutralize the sulfuric acid half-ester.
- M is preferably alkali metal or ammonium, in particular sodium.
- the particular advantages of the cleaning process according to the invention are based to a very large extent on the simultaneous use of the alkyl polyglycosides and alkyl ether sulfates in the aqueous cleaning liquor.
- the weight ratio between alkyl polyglycosides and alkyl ether sulfates is usually between about 1:10 and 10: 1. Weight ratios between 4: 1 and 1: 4 and in particular between 2: 1 and 1: 2 are preferred. Because of the special interaction of these Only a low concentration of the surfactant mixture is required in the cleaning solution, which is preferably 0.2 to 4 percent by weight and in particular 0.5 to 2 percent by weight.
- the cleaning solution usually does not contain any other surfactants, even if they do Presence is not excluded, provided that it does not interfere with the advantageous effect of the mixture of alkyl polyglycosides and alkyl ether sulfates.
- other cleaning agents and care products can be useful.
- water-miscible organic solvents, complexing agents for water hardness, waxes and film-forming polymers should be mentioned.
- dyes, fragrances, foam inhibitors and antimicrobial agents, and acids and bases for regulating the pH are mentioned. It goes without saying that only those representatives of these substances which do not impair the advantageous effects of the surfactant mixture of alkyl polyglycosides and alkyl ether sulfates are selected.
- the water-miscible organic solvents which can be used according to the invention are primarily volatile alcohols and ether alcohols. Examples are in particular the lower alcohols with 2 to 4 carbon atoms, of which ethanol is particularly preferred.
- the content of organic solvents in the cleaning agent solution is generally not more than 20 percent by weight, preferably between 1 and 10 percent by weight.
- waxes and / or film-forming polymers in the cleaning agent solution has the purpose of making the thin film remaining on the floor surface more dirt-repellent and to compensate for any minor damage to the surface of the floor which may impair the gloss.
- Suitable waxes are synthetic waxes, such as, for example, polyethylene waxes, partially synthetic waxes, such as montan ester waxes, and natural waxes, such as, for example, carnauba wax and candellaw wax. According to the invention, natural waxes, in particular carnauba wax, are preferred.
- the concentration of the waxes in the cleaning solution is certainly not more than about 0.3 percent by weight, preferably between 0.05 and 0.2 percent by weight.
- Suitable polymers are generally all polymer compounds which are soluble in water in the weakly alkaline range and which dry out from solutions with film formation. As a rule, these are copolymers with a certain proportion of monomers containing carboxylic acid groups, in particular acrylic acid or methacrylic acid, which also contain nonionic monomers, in particular from the group of acrylic acid or methacrylic acid esters with lower alcohols and styrene.
- the content of polymers in the cleaning agent solutions is usually not more than 0.3 percent by weight, preferably between 0.05 and 0.2 percent by weight.
- Polymeric film formers and waxes can also be present at the same time.
- the cleaning agent solution described above is applied to the floor to be treated in as uniform a form as possible and is then immediately wiped onto the floor.
- the application takes place in a particularly advantageous manner by spraying on, either with the aid of small hand-spray devices or, above all in the commercial sector, with the aid of mechanical spraying devices.
- the amount to be applied depends within certain limits on the degree of soiling of the floor and its surface roughness. It is usually in the range between about 0.2 g and about 5 - / vtr- and in particular between about 0.3 and 2 g / m ⁇ .
- the wiping is preferably carried out with a damp, absorbent soft object, in particular with a cloth, a sponge or a mop.
- the detergent solution is distributed uniformly over the entire surface, and on the other hand the loosened dirt is taken up by the absorbent object together with excess detergent solution. From time to time, the absorbent article is rinsed out in clear water, the absorbed dirt and excess surfactant solution being released. Larger areas can be cleaned in sections to prevent the sprayed-on cleaning solution from drying too much.
- the method according to the invention is also distinguished by ecological advantages.
- a piece of flooring measuring 75 x 60 cm with black high-gloss half of the tiles was covered, half was treated with the cleaning agent and, after drying, was visually checked by three inspectors.
- 0.2 ml of the respective cleaning agent was applied to the half of the floor piece to be treated with a glass pipette and this agent was evenly distributed with a damp, well wrung out cotton cloth (25 x 25 cm).
- this process was repeated four times with a freshly rinsed cloth after the remaining moist cleaning agent had dried. After the last order had dried on, the evaluation was carried out, the following evaluation numbers being assigned after the testers had agreed:
- a mixing liquor was prepared in a water bucket by dissolving 10 g of the respective agent per liter of tap water (water hardness 25 ° d).
- a 25 x 25 cm cotton cloth was impregnated with this solution and the dripping wet cotton cloth was then used to wipe the area described under 1. The cloth was then wrung out and the surface wiped once with this cloth. As indicated under 1., the wiping process was repeated four times after the surface had dried.
- the visual evaluation corresponds to that under 1.
- This pretreatment which was carried out to check a dirt-repellent effect, was carried out in such a way that the area of 7 strips lying closely next to one another with a total area of 280 x 554 m was provided with 5 ml of the respective cleaning agent and then with a moist one Cotton apples (25 x 25 cm) was wiped evenly. After drying, this treatment was repeated two more times before the soiling was applied.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4216410 | 1992-05-18 | ||
DE4216410A DE4216410A1 (en) | 1992-05-18 | 1992-05-18 | Floor cleaning process |
PCT/EP1993/001152 WO1993023513A1 (en) | 1992-05-18 | 1993-05-11 | Floor cleaning process |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0642572A1 true EP0642572A1 (en) | 1995-03-15 |
EP0642572B1 EP0642572B1 (en) | 1997-03-12 |
Family
ID=6459169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93909943A Expired - Lifetime EP0642572B1 (en) | 1992-05-18 | 1993-05-11 | Floor cleaning process |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0642572B1 (en) |
AT (1) | ATE150076T1 (en) |
DE (2) | DE4216410A1 (en) |
DK (1) | DK0642572T3 (en) |
ES (1) | ES2099435T3 (en) |
GR (1) | GR3022983T3 (en) |
WO (1) | WO1993023513A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4306899A1 (en) * | 1993-03-05 | 1994-09-08 | Henkel Kgaa | Floor cleaning products |
DE4307473A1 (en) * | 1993-03-10 | 1994-09-15 | Henkel Ecolab Gmbh & Co Ohg | Mop care products |
GB9509452D0 (en) * | 1995-05-10 | 1995-07-05 | Unilever Plc | Light duty cleaning composititon |
NZ329010A (en) | 1996-02-14 | 2000-04-28 | Stepan Co | Hard surface cleaning compositions comprising detergent surfactant, a detergent builder and a hydrotrope that cleans without filming or streaking |
DE10148355A1 (en) * | 2001-09-29 | 2003-04-17 | Ecolab Gmbh & Co Ohg | Process for the renovation of coated floors |
DE102004055673B4 (en) * | 2004-11-18 | 2013-01-03 | Baerlocher Gmbh | Process and composition for cleaning plastic surfaces containing halogenated polymers |
DE102010012197A1 (en) * | 2010-03-19 | 2011-09-22 | Merck Patent Gmbh | Electrically conductive floor care products |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4483787A (en) * | 1983-12-28 | 1984-11-20 | The Procter & Gamble Company | Concentrated aqueous detergent compositions |
DE4032126C2 (en) * | 1990-10-10 | 1998-04-09 | Aswork Hygiene Gmbh & Co Kg | Aqueous cleaners for hard surfaces |
DE4036662A1 (en) * | 1990-11-17 | 1992-05-21 | Huels Chemische Werke Ag | LIQUID, DELICATE CLEANING AGENT |
DE4041118C2 (en) * | 1990-12-21 | 2000-01-13 | Henkel Kgaa | Wax emulsion and its uses |
-
1992
- 1992-05-18 DE DE4216410A patent/DE4216410A1/en not_active Withdrawn
-
1993
- 1993-05-11 AT AT93909943T patent/ATE150076T1/en not_active IP Right Cessation
- 1993-05-11 DK DK93909943.8T patent/DK0642572T3/en active
- 1993-05-11 ES ES93909943T patent/ES2099435T3/en not_active Expired - Lifetime
- 1993-05-11 EP EP93909943A patent/EP0642572B1/en not_active Expired - Lifetime
- 1993-05-11 WO PCT/EP1993/001152 patent/WO1993023513A1/en active IP Right Grant
- 1993-05-11 DE DE59305790T patent/DE59305790D1/en not_active Expired - Fee Related
-
1997
- 1997-03-31 GR GR970400659T patent/GR3022983T3/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9323513A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1993023513A1 (en) | 1993-11-25 |
GR3022983T3 (en) | 1997-06-30 |
EP0642572B1 (en) | 1997-03-12 |
ES2099435T3 (en) | 1997-05-16 |
DE4216410A1 (en) | 1993-11-25 |
ATE150076T1 (en) | 1997-03-15 |
DE59305790D1 (en) | 1997-04-17 |
DK0642572T3 (en) | 1997-09-22 |
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