WO1996027654A1 - Composition et procede pour nettoyer des surfaces dures - Google Patents

Composition et procede pour nettoyer des surfaces dures Download PDF

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Publication number
WO1996027654A1
WO1996027654A1 PCT/GB1996/000512 GB9600512W WO9627654A1 WO 1996027654 A1 WO1996027654 A1 WO 1996027654A1 GB 9600512 W GB9600512 W GB 9600512W WO 9627654 A1 WO9627654 A1 WO 9627654A1
Authority
WO
WIPO (PCT)
Prior art keywords
acid
composition
sprayable
thixotropic composition
smectite clay
Prior art date
Application number
PCT/GB1996/000512
Other languages
English (en)
Inventor
Edward Zbygniew Nowak
Original Assignee
Bush Boake Allen Limited
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
Priority claimed from GBGB9504500.1A external-priority patent/GB9504500D0/en
Priority claimed from GBGB9600008.8A external-priority patent/GB9600008D0/en
Application filed by Bush Boake Allen Limited filed Critical Bush Boake Allen Limited
Publication of WO1996027654A1 publication Critical patent/WO1996027654A1/fr

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
    • C11D3/16—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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
    • C11D17/003—Colloidal solutions, e.g. gels; Thixotropic solutions or pastes
    • 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
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246—Silicates, e.g. diatomaceous earth
    • C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
    • 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
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246—Silicates, e.g. diatomaceous earth
    • C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
    • C11D3/1266—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite in liquid compositions
    • 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
    • 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
    • C11D3/2082—Polycarboxylic acids-salts thereof

Definitions

  • This invention relates to a composition and method for cleaning hard surfaces. More particularly, this invention relates to a sprayable thixotropic composition containing an acid salt complex and smectite clay and to a method for cleaning hard surfaces using the sprayable composition.
  • Hard surfaces formed from porous and non-porous materials such as ceramics, porcelain, enamel, stainless steel, aluminum, glass, fiberglass, acrylic, gelcoat and the like, that are in continuous contact with water or constantly exposed to the evaporation of hard water develop stains and deposits from the accumulation of materials such as carbonates, sulfates and oxides; salts of calcium, magnesium and other metals and minerals; and the like.
  • This invention is directed to a sprayable thixotropic composition
  • a sprayable thixotropic composition comprising:
  • the invention is also directed to a method of cleaning a hard surface including the step of applying to the hard surface a thixotropic composition of the invention.
  • the composition is preferably applied by spraying it onto the hard surface.
  • smectite clays form gel structures for about pH 6 to about pH 13.
  • an acid is added to the smectite clay gel to lower the pH to a level less than about 6, the gel structure is destroyed.
  • the pH of these smectite clay gel structures can be lowered to as low as pH 1 while maintaining the gel structure by adding at least one acid salt complex.
  • These acid salt complex-smectite clay mixtures form sprayable compositions and are particularly useful in a method for cleaning hard sur aces.
  • the compositions are useful in personal care products where thixotropic behavior is desire .
  • the sprayable thixotropic composition of the invention is a mixture of at least two components:
  • the stable, sprayable composition may have a pH of from about 1 to about 6, preferably from about 2 to about 4.
  • the ratio of acid salt complex (in parts by weight) to smectite clay (in parts by weight) in the mixture may be from about 0.1:10 to about 10:0.1, preferably from about 1:10 to about 10:1, and most preferably from about 2:5 to about 5:2.
  • the sprayable composition of the invention may be formed by:
  • the sprayable composition of the invention exhibits a thixotropic rheological profile such that the composition is a gel appearing solid upon standing yet can behave as thin as water upon shearing. Liquid behavior may thus be exhibited when stress is applied, e.g. by forcing the composition through a nozzle or other orifice.
  • the compositions may thus be referred to as "sprayable", which term is used herein to denote the ability to be sprayed, squirted, or otherwise applied to the desired locus by means of directional stress. Once applied to the locus (e.g. a hard surface to be cleaned) , the compositions of the invention revert to their state of low viscosity, generally adhering well to the surface.
  • This thixotropic rheological profile provides a composition useful in the method of cleaning hard surfaces.
  • the composition is useful in personal care products, such as skin conditioners, utilizing ⁇ -hydroxy acids in formulations, which require a thixotropic rheological profile.
  • the acid salt complexes useful in the composition and method of the invention are formed by the complete or partial neutralization of an organic acid with a base to form a complex.
  • the acid salt complex may contain ammonium ions or ions of a metal selected from Group I and Group II of the Periodic Table in combination with at least one carboxylic acid.
  • the acid salt complexes are preferred over the free acid form because they exhibit negligible vapor loss relative to the free acid form and hence are low in odor and retain strong scale and stain removal capabilities.
  • the acid salt complexes are formed in aqueous solution.
  • the level of complex acid salt in the sprayable compositions of the invention may be from about 0.5% to about 30% by weight, preferably from about 2% to about 20%, by weight, and most preferably from about 5% to about 15% by weight.
  • the preferred acid salt complex is ammonium tetraformate.
  • the ratio of acid to ammonium or metal ion is preferably from about 2:1 to about 4:1 (on a chemical equivalent basis of acid to ammonia or metal ion) and most preferably at about 4:1.
  • strong acids may be optionally added to the mixture of smectite clay and acid salt complex without destroying the gel structure.
  • the strong acids may be added at a level of about 0.5% to about 10%, by weight. Strong acids include both inorganic acids and organic acids .
  • suitable inorganic acids include hydrochloric acid, hydrobromic acid, hydriodic acid, hydrofluoric acid, sulfuric acid, sulfamic acid, perchloric acid, nitric acid, nitrous acid, phosphoric acid, carbonic acid and peroxy acid such as hydrogen peroxide, and the like.
  • suitable organic acids include monocarboxylic acids, such as formic acid, acetic acid, propionic acid, butyric acid, benzoic acid and salicyclic acid; dicarboxylic acids, such as oxalic acid, phthalic acid, sebacic acid and adipic acid; tricarboxylic acid, such as citric acid; peroxy acid such as peracetic acid; and the like. Hydrochloric acid and sulfamic acid are preferred when ammonium tetraformate is utilized.
  • Suitable smectite clays include both synthetic and naturally-occurring varieties of swelling clays.
  • Synthetic smectite clays include layer-structured hydrous magnesium silicates such as LAPONITE clay available from Laporte Industries Limited of Widnes, England.
  • Naturally-occurring varieties include those of the Saponite sub-group (dioctahedral mineral phyllosilicate structure) such as saponite, sauconite and hectorite; and Montmorillonite sub-group
  • trioctahedral mineral phyllosilicate structure such as montmorillonite (including bentonite and exchanged bentonite) , beidellite and nontronite .
  • montmorillonite including bentonite and exchanged bentonite
  • beidellite including bentonite and exchanged bentonite
  • nontronite a synthetic smectite clays are preferred.
  • the sprayable thixotropic composition may optionally contain other ingredients, provided that the optional ingredients are stable in an acid environment and do not interfere substantially with the rheological behavior of the composition.
  • Optional ingredients include, but are not limited to, surfactants, dyes, fragrances, disinfectants, abrasives, sequestering agents, thickeners, dispersants, solvents, buffer salts and the like.
  • Optional ingredients when the composition will be used in a personal care product include humectants, oils, skin conditioning components and the like.
  • pH indicators may be added to the solution to identify when the acid has spent its usefulness in cleaning. These indicators include, but are not limited to, modified methyl orange, bromcresol green, methyl red, bromthymol blue, bromcresol purple, phenolphthalein and thymophthalein.
  • the method of cleaning hard surfaces includes at least the step of applying to the hard surface a thixotropic composition of the invention.
  • the composition is preferably applied by spraying it onto the hard surface.
  • the compositions may be applied from any of the following containers, which are known per se in the art: trigger spray bottles (both foaming and non-foaming variants) ; directional spouts; so-called flip top cap spouts,• containers with narrow mouths; conventional bottles. Sprays and other directional applicators are favoured because of their ease of use.
  • the composition Because of its thixotropic nature, the composition reforms its gel structure after being sprayed onto the hard surface. This enables the composition to reduce so-called "run-off" from vertical, near vertical and even inverted surfaces .
  • a method of cleaning a hard surface including at least two steps of:
  • thixotropic composition comprising:
  • Step (2) applying the thixotropic composition to a hard surface.
  • Step (2) preferably involves spraying the composition onto the hard surface.
  • compositions prepared in accordance with this invention are stable in storage and retain their novel characteristics for relatively long periods of time.
  • the compositions are generally packaged in a container which is designed to facilitate their application. Because of their acidic nature, the compositions are generally not stored in metal containers .
  • the compositions may be applied by filling a flexible plastic squeeze bottle fitted with a directional nozzle or orifice which permits accurate squirting or spraying of a stream of the composition onto the surface of the article to be cleaned.
  • Other suitable containers for the compositions have already been mentioned above.
  • An optional third step of the method is rinsing or sponging away the composition with water after the scale and/or stain has been removed.
  • the method of the invention is carried out at ambient temperatures. However, the method may be carried out at elevated temperatures.
  • composition and method of the invention are useful for cleaning hard surfaces, including both porous and non-porous materials, such as ceramics, stainless steel, aluminum, glass, fiberglass, acrylic, gelcoat and the like.
  • the composition and method of the invention are useful for removing stains and deposits caused by carbonates, sulfates and oxides,- salts of calcium, magnesium and other metals and minerals; and the like.
  • the sprayable composition was prepared by first hydrating the LAPONITE RD smectite clay by mixing the smectite clay with the deionized water using a high speed mixture until a clear gel solution was obtained. Then the isopropyl alcohol was added to and mixed with the gel solution. Finally ammonium tetraformate was added to and mixed with the gel solution.
  • the final composition had a pH of 3.2 and on gelling was successfully sprayed through a hand-operated pump spray.
  • the sprayable composition was prepared by first hydrating the LAPONITE RD smectite clay by mixing the smectite clay with the deionized water using a high speed mixture until a clear gel solution was obtained.
  • Fragrance was dissolved in dipropylene glycol monom ⁇ thyl ether. The fragrance mixture was then added to and mixed with the gel solution. Finally ammonium tetraformate was added to and mixed with the gel solution.
  • the final composition had a pH of 3.2 and on gelling was successfully sprayed through a hand-operated pump spray.
  • the sprayable composition was prepared by first hydrating the LAPONITE RD smectite clay by mixing the smectite clay with the deionized water using a high speed mixture until a clear gel solution was obtained.
  • Fragrance was dissolved in dipropylene glycol monomethyl ether. The fragrance mixture was then added to and mixed with the gel solution. Ammonium tetraformate was added to and mixed with the gel solution. Finally, citric acid was added to and mixed with the gel solution.
  • the final composition had a pH of 3.1 and on gelling was successfully sprayed through a hand-operated pump spray.
  • the sprayable composition was prepared by first hydrating the LAPONITE RD smectite clay by mixing the smectite clay with the deionized water using a high speed mixture until a clear gel solution was obtained. Dipropylene glycol monomethyl ether and alkyl dimethyl amine oxide were added to and mixed with the gel solution. Finally, ammonium tetraformate was added to and mixed with the gel solution.
  • the final composition had a pH of 3.2 and on gelling was successfully sprayed through a hand-operated pump spray.
  • the sprayable composition was prepared by first hydrating the LAPONITE RD smectite clay by mixing the smectite clay with the deionized water using a high speed mixture until a clear gel solution was obtained. Ammonium tetraformate (70% solution) followed by hydrochloric acid (35% solution) were added to and mixed with the gel solution.
  • the final composition had a pH of 1.9 and formed a gel after standing 24 hours.
  • the composition was successfully sprayed through a hand-operated pump spray
  • the sprayable composition was prepared by first hydrating the LAPONITE RD smectite clay by mixing the smectite clay with the deionized water using a high speed mixture until a clear gel solution was obtained. Ammonium tetraformate (70% solution) followed by ortho phosphoric acid (85% solution) were added to and mixed with the gel solution.
  • the final composition had a pH of 3.1 and formed a gel after standing 24 hours.
  • the composition was successfully sprayed through a hand-operated pump spray.
  • the sprayable composition was prepared by first hydrating the LAPONITE RD smectite clay by mixing the smectite clay with the deionized water using a high speed mixture until a clear gel solution was obtained.
  • the xanthan gum was hydrated in a separate operation.
  • the fragrance was dissolved in the diethylene glycol monobutyl ether, then the dobanic acid, ammonium tetraformate and citric acid were added to and mixed with this solution. When all the solids had dissolved, the hydrated xanthan gum solution was added, and mixed until a homogeneous solution was formed. This was then added to the hydrated smectite clay.
  • the final composition had a pH of 3.0 and could be sprayed or otherwise applied directly onto hard surfaces .
  • the composition was prepared by first hydrating the LAPONITE RD smectite clay by mixing the smectite clay with the deionized water using a high speed mixture until a clear gel solution was obtained.
  • the xanthan gum was hydrated in a separate operation.
  • the fragrance was dissolved in the diethylene glycol monobutyl ether, then the dobanic acid, ammonium tetraformate and citric acid were added to and mixed with this solution. When all the solids had dissolved, the hydrated xanthan gum solution was added, and mixed until a homogeneous solution was formed. This was then added to the hydrated smectite clay. Finally, the light china clay was added and mixed in until a homogeneous paste was produced.
  • the final composition could be applied directly onto hard surfaces using applicators with narrow openings, e.g. by squirting.
  • This Example illustrates the preparation of a cosmetic gel which contains ⁇ -hydroxy acid.
  • Multifruit acids BSC 5 . . 0 % (available from Brooks Industries)
  • the sprayable composition was prepared by first hydrating the LAPONITE RD smectite clay by mixing the smectite clay with the deionized water using a high speed mixture until a clear gel solution was obtained. When a smooth gel was formed, the remaining ingredients were added in the order shown.
  • the final composition was a thick, translucent gel with a pH of 4.6 which could be sprayed.

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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)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne une composition thixotrope comprenant (a) au moins un complexe d'acide du type sel et (b) au moins une argile smectique. La composition contient aussi, à titre facultatif, un acide fort. La composition peut être pulvérisée, projetée ou appliquée de toute autre manière à l'endroit choisi, en appliquant une sollicitation unidirectionnelle. L'invention concerne également un procédé pour nettoyer une surface dure consistant à appliquer à la surface dure une composition thixotrope de l'invention, de préférence par pulvérisation.
PCT/GB1996/000512 1995-03-07 1996-03-06 Composition et procede pour nettoyer des surfaces dures WO1996027654A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9504500.1 1995-03-07
GBGB9504500.1A GB9504500D0 (en) 1995-03-07 1995-03-07 Sprayable composition and method for cleaning hard surfaces
GBGB9600008.8A GB9600008D0 (en) 1996-01-02 1996-01-02 Composition and method for cleaning hard surfaces
GB9600008.8 1996-01-02

Publications (1)

Publication Number Publication Date
WO1996027654A1 true WO1996027654A1 (fr) 1996-09-12

Family

ID=26306623

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1996/000512 WO1996027654A1 (fr) 1995-03-07 1996-03-06 Composition et procede pour nettoyer des surfaces dures

Country Status (1)

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WO (1) WO1996027654A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000043481A1 (fr) * 1999-01-25 2000-07-27 Dr. Schnell Chemie Gmbh Produit pour le traitement d'entretien de surfaces resistant a l'eau
WO2002024849A1 (fr) * 2000-09-19 2002-03-28 Trojan Technologies Inc. Formulation de nettoyage et procede de nettoyage d'une surface
EP1260575A1 (fr) * 2001-05-25 2002-11-27 Denys Laforge Produit de nettoyage de surfaces pour en éliminer les Salissures
WO2003078559A1 (fr) * 2002-03-20 2003-09-25 Trojan Technologies Inc. Formulation de nettoyage et procédé de nettoyage de surfaces
WO2009100226A1 (fr) * 2008-02-05 2009-08-13 Amcol International Corporation Compositions de nettoyage acides résistantes à l’égouttement pour des applications pulvérisables et non pulvérisables
US8852357B2 (en) 2011-09-30 2014-10-07 Ppg Industries Ohio, Inc Rheology modified pretreatment compositions and associated methods of use
EP3290544A4 (fr) * 2015-04-27 2018-10-10 Nihon Parkerizing Co., Ltd. Agent de revêtement lubrifiant à base d'eau pour matériau métallique, matériau métallique traité en surface et procédé de formation de revêtement lubrifiant pour matériau métallique
WO2021175891A1 (fr) * 2020-03-05 2021-09-10 Atotech Deutschland Gmbh Purification d'objets métalliques en présence d'un liquide et de silicates en couches

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4532066A (en) * 1984-03-05 1985-07-30 Sterling Drug Inc. Stable mildly acidic aqueous polishing cleanser and preparation thereof
DE3828114A1 (de) * 1987-08-21 1989-03-02 Colgate Palmolive Co Fluessige waessrige thixotrope zusammensetzung
EP0375167A1 (fr) * 1988-11-29 1990-06-27 BP Chemicals Limited Compositions de nettoyage
US4971631A (en) * 1988-03-07 1990-11-20 Bernard Lietaer Compositions and methods for cleaning hard surfaces

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4532066A (en) * 1984-03-05 1985-07-30 Sterling Drug Inc. Stable mildly acidic aqueous polishing cleanser and preparation thereof
DE3828114A1 (de) * 1987-08-21 1989-03-02 Colgate Palmolive Co Fluessige waessrige thixotrope zusammensetzung
US4971631A (en) * 1988-03-07 1990-11-20 Bernard Lietaer Compositions and methods for cleaning hard surfaces
EP0375167A1 (fr) * 1988-11-29 1990-06-27 BP Chemicals Limited Compositions de nettoyage

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19902772A1 (de) * 1999-01-25 2000-08-24 Schnell Chemie Gmbh Dr Mittel zur pflegenden Behandlung von wasserfesten Oberflächen
WO2000043481A1 (fr) * 1999-01-25 2000-07-27 Dr. Schnell Chemie Gmbh Produit pour le traitement d'entretien de surfaces resistant a l'eau
US6635613B1 (en) * 2000-09-19 2003-10-21 Trojan Technologies, Inc. Urea phosphate cleaning formulation and method of cleaning a surface
WO2002024849A1 (fr) * 2000-09-19 2002-03-28 Trojan Technologies Inc. Formulation de nettoyage et procede de nettoyage d'une surface
US7018975B2 (en) 2000-09-19 2006-03-28 Trojan Technologies Inc. Cleaning formulation and method of cleaning a surface comprising the salt of a phosphorus-containing acid
EP1260575A1 (fr) * 2001-05-25 2002-11-27 Denys Laforge Produit de nettoyage de surfaces pour en éliminer les Salissures
FR2825100A1 (fr) * 2001-05-25 2002-11-29 Denys Laforge Produit de nettoyage de surfaces pour en eliminer les salissures
WO2003078559A1 (fr) * 2002-03-20 2003-09-25 Trojan Technologies Inc. Formulation de nettoyage et procédé de nettoyage de surfaces
WO2009100226A1 (fr) * 2008-02-05 2009-08-13 Amcol International Corporation Compositions de nettoyage acides résistantes à l’égouttement pour des applications pulvérisables et non pulvérisables
US8852357B2 (en) 2011-09-30 2014-10-07 Ppg Industries Ohio, Inc Rheology modified pretreatment compositions and associated methods of use
US9051475B2 (en) 2011-09-30 2015-06-09 Ppg Industries Ohio, Inc. Rheology modified pretreatment compositions and associated methods of use
EP3290544A4 (fr) * 2015-04-27 2018-10-10 Nihon Parkerizing Co., Ltd. Agent de revêtement lubrifiant à base d'eau pour matériau métallique, matériau métallique traité en surface et procédé de formation de revêtement lubrifiant pour matériau métallique
US10760029B2 (en) 2015-04-27 2020-09-01 Nihon Parkerizing Co., Ltd. Water-based lubricating coating agent for metal material, surface-treated metal material, and method for forming lubricating coating for metal material
WO2021175891A1 (fr) * 2020-03-05 2021-09-10 Atotech Deutschland Gmbh Purification d'objets métalliques en présence d'un liquide et de silicates en couches

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