EP1097986A1 - Procédé de nettoyage des surfaces - Google Patents

Procédé de nettoyage des surfaces Download PDF

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Publication number
EP1097986A1
EP1097986A1 EP00123777A EP00123777A EP1097986A1 EP 1097986 A1 EP1097986 A1 EP 1097986A1 EP 00123777 A EP00123777 A EP 00123777A EP 00123777 A EP00123777 A EP 00123777A EP 1097986 A1 EP1097986 A1 EP 1097986A1
Authority
EP
European Patent Office
Prior art keywords
cleaning
polymers
antisoiling
cleaning device
dirt
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.)
Withdrawn
Application number
EP00123777A
Other languages
German (de)
English (en)
Inventor
Martin Dr. Stolz
Herbert Dr. Koch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sasol Germany GmbH
Original Assignee
RWE Dea AG fuer Mineraloel und Chemie
Sasol Germany GmbH
RWE Dea AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by RWE Dea AG fuer Mineraloel und Chemie, Sasol Germany GmbH, RWE Dea AG filed Critical RWE Dea AG fuer Mineraloel und Chemie
Publication of EP1097986A1 publication Critical patent/EP1097986A1/fr
Withdrawn legal-status Critical Current

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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0036—Soil deposition preventing compositions; Antiredeposition agents
    • 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
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3715—Polyesters or polycarbonates
    • 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 relates to a method for cleaning surfaces using mechanical cleaning devices which at least temporarily touch the surface and an aqueous detergent composition containing antisoiling polymers (Polymer surfactants or soil release polymers).
  • the invention relates essentially a process for cleaning glass and in particular painted, waxed or otherwise coated metal or plastic surfaces, preferably a method for cleaning vehicles in car washes.
  • the adhering dirt can be organic, e.g. containing tar, resin or oil (usually hydrophobic), or essentially inorganic in origin. Possibly. should the Vehicle surface also from corrosive or aggressive types of dirt, e.g. De-icing salt.
  • a suitable detergent composition must also develop their cleaning effect when combined with cold water.
  • the cleaning agent should have a controllable foam behavior and over have demulsifying properties in process water treatment.
  • Cleaning devices are often used to clean painted surfaces used with rotating brushes, moving textile fibers or the like.
  • the object of the method according to the invention is to scratch-sensitive surfaces, in particular vehicle surfaces, and mechanical ones in contact with them Cleaning devices such as brushes, textile fibers or the like from to remove adhering dirt particles and at the same time scratch the surface to avoid.
  • the antisoiling polymer is preferably an amphiphilic polyester compound, which is composed in particular of terephthalic acid groups and based on the Sum of the monomer units used, preferably at least 5% terephthalic acid groups has as monomer units.
  • the detergent composition used according to the invention the adherence of the dirt particles, in particular prevented on textile fibers and brushes and thus effective for removal
  • the dirt particle contributes through the rinse water and prevents particulate Grinding dirt due to the mechanical action of the cleaning device is guided over the surface.
  • the vehicle is first pre-washed with coarse dirt exempted.
  • the prewash is often in the form of a high pressure wash carried out.
  • the vehicle is e.g. in a brush wash subjected to another cleaning cycle in which stubborn dirt components detached from the vehicle surface.
  • Pre-wash and brush wash come with surfactant-containing cleaning solutions used to wet the vehicle surface and dirt facilitate.
  • the surfactant solutions reduce the interfacial tension to the paint and to the dirt particle, which facilitates the detachment of the dirt particles.
  • To enhance the cleaning performance of the surfactant solution is mechanically rotating washing brushes / rags acted on the dirt and the vehicle surface.
  • the surfactant contains Cleaning solution and the detached dirt from the vehicle surface be rinsed off.
  • the Vehicle in a drying cycle. This is usually done with a blower the water was blown off the vehicle. To facilitate the drying process become drying aids in the form of aqueous solutions or dispersions used, the tear of the water film and the drain of the Accelerate water.
  • the mechanics used can also damage the vehicle surface to lead. Because the dirt is hard as well as sticky, oil-like components Contains particles, these particles can be removed when the dirt is removed by the mechanics the cleaning device are rubbed over the paint and scratches lead on the vehicle surface.
  • the mechanical support of the cleaning process according to the invention cleaning device used preferably has a textile fabric, bristles, Sponges and / or fibers, which are particularly preferably made of polyalkylenes, polyamide and / or polyester exist or contain this and is further preferred Part of an automatic or semi-automatic device.
  • the cleaning device is usually rotating around an axis Device trained.
  • the cleaning device e.g. brushes, Textiles, plastics etc.
  • the cleaning device a temporary dirt-repellent / dirt-repellent Equipment.
  • the additive also prevents accumulation of dirt on the cleaning device.
  • a suitable antisoiling polymer i.a. determined by the material of the cleaning device (e.g. brush or Textile material). It is for the corresponding substantivity of additive to the material surface care of the cleaning device, the prerequisite for a dirt-repellent temporary finish.
  • the brush or textile material of mechanical cleaning devices, as in Car washes are usually made of synthetic polymers such as polyethylene or polyamide.
  • synthetic polymers such as polyethylene or polyamide.
  • polymers can also all other polymerization fibers such as Polyacrylic, polystyrene, vinal, etc .; Polycondensation fibers such as. Polyester, polyamide, polyester ether or polyaddition fibers such as. Polyurethane, elastane can be used.
  • Synthetic fibers made of synthetic polymers can also be made from natural fibers Polymers are used, e.g. Rubber, viscose, cellulon, or Casein.
  • the brush or textile material used can also consist of mixtures consist of different synthetic or natural polymers.
  • the single ones Fibers can be used directly as brush material or the fibers are previously woven into a textile, knitted or pressed into a felt.
  • Additives based on polyester have proven to be suitable additives. there it is preferably amphiphilic polyester compounds, which are preferred Contain terephthalic acid units.
  • Suitable compounds are e.g. Copolymers of polyoxyalkylenes and alkyl glycols with aromatic dicarboxylic acids or mixtures of aromatic and aliphatic dicarboxylic acids.
  • the additives can be both non-ionic and also be anionic or cationic in nature.
  • anionic polymers are preferably aromatic dicarboxylic acids with anionic substituents used as monomer units, e.g. the salts of sulfoisophthalic acid.
  • the polymers used can also be equipped with end groups. Through this so-called end group closure, for example, the molecular weight distribution of the polymer can be concentrated, which among other things beneficial to the Formulation of the polymers, in particular in liquid cleaning formulations affects.
  • Nonionic, anionic and cationic monomer units can be used are used.
  • EP-B1-0 066 944 are anionically modified polyesters described, in addition to ethylene terephthalate and polyoxyethylene terephthalate units sulfonated aromatic dicarboxylic acid salts as a further polymerization component e.g. the sodium salt of sulfoisophthalic acid.
  • the polymerized Polyethylene glycols (PEG) have molecular weights from 200 to 1000 and result after their polymerization with ethylene glycol (EG) and terephthalic acid Polyester with molecular weights from 2000 to 10,000 g / mol.
  • US Pat. No. 3,959,230 contains further suitable ethylene terephthalate (ET) / polyoxyethylene terephthalate (POET) polyester with ET: POET ratios of 25:75 to 35: 65, wherein low molecular weight polyethylene glycols with molecular weights of 300 to 700 are used and the polyester molecular weights obtained from Have 25000-55000 g / mol.
  • ET ethylene terephthalate
  • POET polyoxyethylene terephthalate
  • polyesters Another possibility to modify the polyester involves the installation of cationic components based on quaternary nitrogen compounds, which in Compared to nonionic polyesters can be even more effective (US-A-4 956 447).
  • end groups are also closed Polyester (capped polyesters) described, on the one hand, by non-ionic groups such as C1 to C4 alkyl, C1 to C4 hydroxylalkyl, C1 to C4-acyl and also closed by ionic succinate groups.
  • Polyester based prefers to use such polymers at room temperature are flowable and have good solubility in predominantly aqueous compositions (at room temperature).
  • Additives of this type are e.g. described in WO 99/09125.
  • the amphiphilic polymers of WO 99/09125 are hereby expressly made the content of this application.
  • polyester-based antisoiling polymers have a good substantivity to the surface of the cleaning device if these are made of polyester, polyamide or corresponding mixtures are.
  • textiles to clean the paint surface is also given a good substantivity, e.g. when using cotton / polyester or cotton / polyamide blend.
  • Another example of a group of additives in the invention Process used as part of the detergent composition amino functional polymers such as e.g. Polyimines / polyamines, the polyamine compounds used as antisoiling polymers - related on the monomer linkages - preferably at least 10% carbon Nitrogen linkages exist or are produced.
  • amino functional polymers such as e.g. Polyimines / polyamines
  • Preferred polyamines are those derived from ethyleneimine i.e.
  • Polyethyleneimines represent that continue to be modified via the nitrogen groups can.
  • a typical modification is, for example, ethoxylation and / or Propoxylation of the nitrogen atoms in the polyethyleneimine chain.
  • Particularly preferred are polyethyleneimines with molecular weights of 500-10,000 on average 0.5 to 10 ethylene oxide and / or propylene oxide units per N atom are modified.
  • Another possibility for modifying the polyalkyleneimine chain is next to alkoxylation also means the benzylation of free nitrogen atoms.
  • the polyalkylene skeleton can also be partially reacted with nitrogen be quaternized with alkyl halides or alkyl sulfates or by Oxidation so-called amine oxides are generated.
  • modified polyethyleneimines in liquid detergent formulations e.g. described in WO 97/42293.
  • the polyamine framework can be used of these polymers by ethoxylation, N-oxidation or quaternization can be varied in many ways.
  • WO 97/42285 describes water-soluble or dispersible polymers, that by reacting polyamines with epichlorohydrin and subsequent Derivatization can be made.
  • textile or sponge-like cleaning devices used because of their pore structures have a high suction effect for the aqueous cleaning solution.
  • this is done in the cleaning process used washing water is subjected to a wastewater treatment and in the cycle hazards.
  • the oil-containing dirt components are in an oil separator severed.
  • the particulate dirt particles are in a sedimentation basin or removed from the wash water circuit by filters.
  • the detergent compositions can be formulated in a variety of ways.
  • cleaning agents are used as concentrates with an active content of larger 15% formulated, which before using in the cleaning solution with the usual available service water can be diluted to the use concentration.
  • Cleaning agents that are used in vehicle washing systems are e.g. Precleaner, Insect remover, shampoos, rinse aid, window cleaner, rim cleaner, Pressure washer, bitumen and tar remover.
  • the process is either an antisoiling polymer in one of the cleaners used contain or the antisoiling polymer is separately in its own formulation introduced into the cleaning process, e.g. sprayed.
  • Typical cleaning agents for vehicle washing contain 3-30% by weight of surfactants, 0-40% by weight complexing agent, 0-70% by weight solvent, 0-5% by weight antisoiling polymers and bases or acids to adjust the pH.
  • the formulations can be liquid, solid or pasty.
  • the mechanical cleaning device for mechanical support of the cleaning process describes, in the sense of the invention, an aid for application the cleaning solution and / or to mechanically support the cleaning process is used and at least with the surface to be cleaned is temporarily in contact.
  • the mechanical cleaning device includes brushes, Rag, fiber cloth, felt, brush and / or sponge and can be made of plastics and / or natural fiber materials.
  • the term antisoiling polymers describes compounds optionally as part of the detergent composition, which the process of Removal of dirt from the surface of the mechanical cleaning device (Brushes, textiles, felts etc.) accelerate and the amount of remaining Residual contamination on the surface to be cleaned and the mechanical cleaning device minimize.
  • the antisoiling polymers used according to the invention preferably have a weight average molecular weight of larger 1000 g / mol, in particular greater than 4000 g / mol.
  • the applied antisoiling polymer modifies the surface and reduces adherence, in particular hydrophobic, dirt on the surface.

Landscapes

  • 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)
  • Detergent Compositions (AREA)
EP00123777A 1999-11-05 2000-11-01 Procédé de nettoyage des surfaces Withdrawn EP1097986A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19953457A DE19953457A1 (de) 1999-11-05 1999-11-05 Verfahren zur Reinigung von Oberflächen
DE19953457 1999-11-05

Publications (1)

Publication Number Publication Date
EP1097986A1 true EP1097986A1 (fr) 2001-05-09

Family

ID=7928139

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00123777A Withdrawn EP1097986A1 (fr) 1999-11-05 2000-11-01 Procédé de nettoyage des surfaces

Country Status (2)

Country Link
EP (1) EP1097986A1 (fr)
DE (1) DE19953457A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10131371A1 (de) * 2001-06-28 2003-01-16 Clariant Gmbh Verwendung von quaternierten (Meth)Acrylsäuredialkylaminoalkylestern als Soil Release Polymere für harte Oberflächen, sowie ein Verfahen zu deren Herstellung
DE102008010750B4 (de) 2008-02-21 2010-02-18 Engel Oberflächentechnik GmbH Anordnung und Verfahren zur Reinigung von Solarkollektoren

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959230A (en) 1974-06-25 1976-05-25 The Procter & Gamble Company Polyethylene oxide terephthalate polymers
US4427557A (en) 1981-05-14 1984-01-24 Ici Americas Inc. Anionic textile treating compositions
EP0066944B1 (fr) 1981-05-14 1986-11-20 Ici Americas Inc. Composition anionique pour le traitement de matières textiles
EP0253567A1 (fr) 1986-07-15 1988-01-20 The Procter & Gamble Company Compositions de lavage
EP0357280A2 (fr) 1988-08-26 1990-03-07 The Procter & Gamble Company Agents antisalissures ayant des groupes terminaux sulfonés dérivés de groupes allyliques
US4956447A (en) 1989-05-19 1990-09-11 The Procter & Gamble Company Rinse-added fabric conditioning compositions containing fabric sofening agents and cationic polyester soil release polymers and preferred cationic soil release polymers therefor
DE4430818A1 (de) 1994-08-30 1995-04-06 Hoffmann Sonax Kg Pflegeemulsion für automatische Fahrzeugwaschanlagen
EP0753570A2 (fr) * 1995-07-11 1997-01-15 Rohm And Haas Company Composition de lavage et utilisation de polymère pour nettoyer et obtenir une résistance à la salissure de l'article
WO1997042285A1 (fr) 1996-05-03 1997-11-13 The Procter & Gamble Company Polymeres de detachage des cotons
WO1997042293A1 (fr) 1996-05-03 1997-11-13 The Procter & Gamble Company Compositions detergentes liquides pour lessive contenant des polymeres facilitant l'elimination des salissures du coton et des proteases
WO1999009125A1 (fr) 1997-08-18 1999-02-25 RWE-DEA Aktiengesellschaft für Mineraloel und Chemie Polymeres amphiphiles liquides a la temperature ambiante a base de polyesters avec des groupes acetals integres par condensation, et leur utilisation dans des produits de lavage et de nettoyage

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005028A (en) * 1975-04-22 1977-01-25 The Procter & Gamble Company Organosilane-containing detergent composition
US4005030A (en) * 1975-04-22 1977-01-25 The Procter & Gamble Company Organosilane-containing anionic detergent composition
DE3439440A1 (de) * 1984-10-27 1986-05-07 Rütgerswerke AG, 6000 Frankfurt Verfahren zur hydrophobierung von kraftfahrzeugen in waschanlagen und mittel zur durchfuehrung des verfahrens
DE3533531A1 (de) * 1985-09-20 1987-04-02 Henkel Kgaa Reinigungsmittel fuer harte oberflaechen
EP0467472A3 (en) * 1990-07-16 1993-06-02 Colgate-Palmolive Company Hard surface liquid cleaning composition with anti-soiling polymer
WO1996025242A1 (fr) * 1995-02-17 1996-08-22 Kuyus-Stiftung Produit de traitement de surfaces
DE19545630A1 (de) * 1995-12-07 1997-06-12 Henkel Kgaa Reinigungsmittel für harte Oberflächen
DE19652849A1 (de) * 1996-12-18 1998-06-25 Hoffmann Sonax Kg Verfahren zur Konservierung von Fahrzeugen

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959230A (en) 1974-06-25 1976-05-25 The Procter & Gamble Company Polyethylene oxide terephthalate polymers
US4427557A (en) 1981-05-14 1984-01-24 Ici Americas Inc. Anionic textile treating compositions
EP0066944B1 (fr) 1981-05-14 1986-11-20 Ici Americas Inc. Composition anionique pour le traitement de matières textiles
EP0253567A1 (fr) 1986-07-15 1988-01-20 The Procter & Gamble Company Compositions de lavage
EP0357280A2 (fr) 1988-08-26 1990-03-07 The Procter & Gamble Company Agents antisalissures ayant des groupes terminaux sulfonés dérivés de groupes allyliques
US4956447A (en) 1989-05-19 1990-09-11 The Procter & Gamble Company Rinse-added fabric conditioning compositions containing fabric sofening agents and cationic polyester soil release polymers and preferred cationic soil release polymers therefor
DE4430818A1 (de) 1994-08-30 1995-04-06 Hoffmann Sonax Kg Pflegeemulsion für automatische Fahrzeugwaschanlagen
EP0753570A2 (fr) * 1995-07-11 1997-01-15 Rohm And Haas Company Composition de lavage et utilisation de polymère pour nettoyer et obtenir une résistance à la salissure de l'article
WO1997042285A1 (fr) 1996-05-03 1997-11-13 The Procter & Gamble Company Polymeres de detachage des cotons
WO1997042293A1 (fr) 1996-05-03 1997-11-13 The Procter & Gamble Company Compositions detergentes liquides pour lessive contenant des polymeres facilitant l'elimination des salissures du coton et des proteases
WO1999009125A1 (fr) 1997-08-18 1999-02-25 RWE-DEA Aktiengesellschaft für Mineraloel und Chemie Polymeres amphiphiles liquides a la temperature ambiante a base de polyesters avec des groupes acetals integres par condensation, et leur utilisation dans des produits de lavage et de nettoyage

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Publication number Publication date
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