WO2015132207A1 - Agents regulateurs de mousse - Google Patents

Agents regulateurs de mousse Download PDF

Info

Publication number
WO2015132207A1
WO2015132207A1 PCT/EP2015/054319 EP2015054319W WO2015132207A1 WO 2015132207 A1 WO2015132207 A1 WO 2015132207A1 EP 2015054319 W EP2015054319 W EP 2015054319W WO 2015132207 A1 WO2015132207 A1 WO 2015132207A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
washing
foam
control agent
foam control
Prior art date
Application number
PCT/EP2015/054319
Other languages
English (en)
Inventor
Benoit Henault
Christel Simon
Original Assignee
Dow Corning Corporation
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 Dow Corning Corporation filed Critical Dow Corning Corporation
Publication of WO2015132207A1 publication Critical patent/WO2015132207A1/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
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0026—Low foaming or foam regulating 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
    • C11D3/162—Organic compounds containing Si
    • 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
    • C11D3/18—Hydrocarbons
    • 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
    • C11D3/373—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones

Definitions

  • This invention relates to foam control agents and their use. In particular it relates to the control of foam in the water used for rinsing substrates following washing said substrates.
  • a foam control agent comprising a hydrophobic fluid (A) selected from organopolysiloxane fluids, water-insoluble organic fluids, or mixtures thereof, supported on a particulate solid carrier (C) is applied to the water used for rinsing.
  • A hydrophobic fluid
  • C particulate solid carrier
  • foam control agents it is normal practice to add foam control agents to detergent compositions, particularly laundry detergent powders and liquids, to inhibit excessive foaming when the detergent is used in washing such as in a laundry washing machine or a dish washing machine.
  • the purpose of the foam control agent in the detergent composition is to control foam at the washing step, to avoid overflow of foam or wash water from the washing machine.
  • Foam control agents may also be used in washing substrates such as paper or pulp, fibres and textile, in applications such as textile dying, domestic laundering, paper production, sewage treatment and cleaning applications, among others.
  • the presence of the foam control agent in the detergent composition might have a small effect in reducing foam in the rinsing step following washing, but this effect is usually not assessed or quantified, as only foam during wash is targeted.
  • washing laundry by hand is common practice. In many of those countries water is scarce or difficult to access. Hand washing uses a lot of water, much of it in the rinsing process. When washing by hand, or in washing machines which are not fully automatic so that the user sees separate washing and rinsing steps, the consumer expects to see foam during the washing step. There is a need to reduce the number of rinses and thus water consumption, while at the same time; the consumer can see that the foam, including surface micro-foam (scum), is removed from the rinse water. Surface micro-foam or scum is different from foam; scum is formed by tiny bubbles at the surface of the water and is more difficult to remove than foam.
  • surface micro-foam surface micro-foam
  • WO-A-2012/075962 describes a granulated foam control composition comprises a foam control agent based on a polydiorganosiloxane fluid, an organic polyol ester additive of melting point 45 5 C to 100 5 C, a water-soluble particulate inorganic carrier and a polymer having a net cationic charge.
  • WO-A-2013/122619 describes a granulated antifoam composition
  • a granulated antifoam composition comprising an antifoam, a siloxane wax binder, and a carrier.
  • the antifoam includes a hydrophobic fluid having a surface tension greater than the dynamic surface tension of an aqueous dispersion of the detergent at above the critical micelle concentration.
  • EP1075864 discloses a foam control agent, comprising (A) an organopolysiloxane material having at least one silicon-bonded substituent of the formula X-Ph, wherein X denotes a divalent aliphatic organic group bonded to silicon through a carbon atom and Ph denotes an aromatic group, (B) an organosilicon resin and (C) a hydrophobic filler, the foam control agent being free from polydimethylsiloxane or containing less than 20% by weight polydimethylsiloxane based on the organopolysiloxane (A).
  • US4818292 describes a particulate antifoam ingredient suitable for incorporation in a detergent powder comprising an oily antifoam active substance on a carrier of swollen hydrated hydrophilic starch.
  • US4894177 describes a delayed release laundry additive comprising an antifoam agent absorbed on a powdered water soluble modified cellulose carrier.
  • the invention includes a washing and rinsing process comprising
  • a foam control agent in solid form is added to the rinse water or to the washed substrate before or during step (iii) but after washing step (i) and optional step (ii).
  • the foam control agent is absent from the washing step but is added to the rinse water.
  • the foam control agent can be added to the rinse water at various points in the rinsing process. In one process according to the invention the foam control agent is added to the rinse water before the washed substrate contacts the rinse water. The washed substrate can then be rinsed in the rinse water containing the foam control agent, reducing or eliminating the foam which would otherwise be caused by the detergent solution remaining on the substrate.
  • the foam control agent can alternatively be added to the rinse water in step (iii) while the washed substrate is in the water.
  • the foam control agent can be added during the rinsing process of step (iii), thereby directly reducing or eliminating foam in the rinsing step (iii).
  • the foam control agent can be added at the end of the rinsing process of step (iii) to reduce or eliminate foam before the rinsed substrate is separated from the rinse water in step (iv).
  • the foam control agent in solid form can be added to the washed substrate after washing step (i) and before contacting the washed substrate with the rinse water.
  • the foam control agent in solid form can even be added to the washing step to control the foam developed, although this is not an efficient way to control foam in the rinse process.
  • the invention is particularly suitable for a rinsing process wherein washing and rinsing are carried out by hand, for example a laundry process wherein clothes and/or other textile material are washed and rinsed by hand, possibly with limited access to water.
  • a laundry process wherein clothes and/or other textile material are washed and rinsed by hand, possibly with limited access to water.
  • Such laundry process is typically carried out at temperatures of from >0°C up to 50°C, for example between 4°C and 40°C.
  • the foam control agent can conveniently be added in solid form.
  • the foam control agent can be added by sprinkling or dispensing the foam control agent onto the rinse water.
  • the foam control agent initially contacts the surface of the rinse water and is released specifically at the water surface and is thus immediately in contact with the foam, causing rapid defoaming of any surfactant aqueous foam visible on the surface.
  • the foam control agent in solid form can for example comprise a hydrophobic fluid (A) supported on a particulate solid carrier (C).
  • the hydrophobic fluid is generally selected from organopolysiloxane fluids, water-insoluble organic (i.e. non-silicone) fluids or mixtures thereof.
  • the foam control agent can for example be in the form of granules comprising the hydrophobic fluid (A), the particulate solid carrier (C) and a binder (B) which agglomerates the carrier (C) particles into granules. Such granules may be called 'rinse aid granules'.
  • a solid carrier which has a density ⁇ 1 g/ml can advantageously be used as the particulate solid carrier (C) in the present invention.
  • density is measured by a floating time test carried out by depositing 0.5g of carrier on the surface of soft water filling a 500 ml beaker of 9 cm diameter. Some carriers will float on the surface, while others will sink. Those carriers which remain floating 1 minute after deposition are considered to have a density ⁇ 1 g/ml for the purpose of the present invention.
  • An example of a suitable particulate solid carrier which has a density less than 1 g/ml is starch, for example native starch or alternatively pregelatinised starch. Alternative examples include wood flour and powdered cellulose.
  • the foam control agent of the invention is in the form of granules based on a particulate solid carrier (C) which has a density less than 1 , the granules stay at the water surface due to their lower density.
  • the foam control agent is thus specifically active on the foam from the interface between foaming medium and air, i.e. the foamed surface. This is particularly beneficial in defoaming, for example to obtain rapid foam destruction in the rinse water.
  • a solid carrier which has a hydrophobic surface can have a similar effect. Because of the hydrophobic surface, surface tension effects prevent or delay wetting of the carrier, so that the foam control agent having a carrier with a hydrophobic surface stays at the foamed surface similarly to a foam control agent having a low density carrier, and is specifically active on the foam from the interface between foaming medium and air.
  • a solid carrier which has a hydrophobic surface may thus have a density ⁇ 1 g/ml for the purpose of the present invention even though its specific gravity is > 1 g/ml.
  • a foam control agent of the invention in the form of granules based on a particulate solid carrier (C) which is water-soluble or water-dispersible can also be effective in foam destruction of rinse water.
  • the foam control agent initially contacts the surface of the rinse water and is released at the water surface and is thus immediately in contact with the foam.
  • the solid carrier (C) which is water-soluble or water-dispersible dissolves or disperses in water releasing the foam control agent so that it can continue to be active against foam.
  • water soluble inorganic carriers are phosphates, for example powdered or granular sodium tripolyphosphate; sulphates, for example sodium sulphate and potassium sulphate; carbonates, for example sodium carbonate, such as anhydrous sodium carbonate or sodium carbonate monohydrate, sodium sesquicarbonate and sodium bicarbonate, potassium carbonate and potassium bicarbonate; silicates, for example sodium silicate; citrates, for example sodium citrate and potassium citrate; acetates, for example sodium acetate, and chlorides, for example sodium chloride and potassium chloride.
  • phosphates for example powdered or granular sodium tripolyphosphate
  • sulphates for example sodium sulphate and potassium sulphate
  • carbonates for example sodium carbonate, such as anhydrous sodium carbonate or sodium carbonate monohydrate, sodium sesquicarbonate and sodium bicarbonate, potassium carbonate and potassium bicarbonate
  • silicates for example sodium silicate
  • citrates for example sodium citrate and potassium citrate
  • the particle size of the carrier (C) can for example be in the range of from 1 to 40 ⁇ " ⁇ , optionally of from 10 up to 30 ⁇ .
  • the particulate solid carrier (C) can alternatively be a carrier such as a zeolite, which is water-insoluble, has a density above 1 g/ml and does not have a hydrophobic surface.
  • Rinse aid granules comprising such a carrier are effective in collapsing foam in rinse water, but we have found that a foam control agent of the invention in the form of granules based on a particulate solid carrier (C) which has at least one of the following characteristics:
  • a foam control agent based on a conventional carrier such as a zeolite.
  • the binder (B) present in foam control granules is generally a substance which can be applied to the carrier, with the hydrophobic fluid (A) or separately from the hydrophobic fluid (A), in liquid form and which is solidified in the foam control granules.
  • the binder (B) can for example be a water-soluble or water-dispersible binder applied to the carrier in aqueous solution or dispersion and dried, or can be a binder of melting point above ambient temperature which is applied to the carrier in molten form and solidified by cooling.
  • a water-soluble or water-dispersible binder helps to quickly release the antifoam in the rinse and thus quickly collapse the foam compared to a binder solidified by cooling. This has advantages both in terms of the time taken to collapse the foam and the absence of surface foam or scum after treatment.
  • water-soluble binders are polycarboxylates, for example polyacrylic acid or a partial sodium salt thereof or a copolymer of acrylic acid, for example a copolymer with maleic anhydride; polyvinyl alcohols; polyoxyalkylene polymers such as polyethylene glycol; water-soluble or water-swellable cellulose ethers such as sodium
  • binders which can be applied to the carrier in molten form and solidified by cooling, include fatty acids or fatty alcohols having 12 to 20 carbon atoms and a melting point in the range of from 45 to 80°C, monoesters of glycerol and such a fatty acid, mixtures of a water insoluble wax having a melting point in the range of from above 55°C to below 100°C and a water-insoluble emulsifying agent, cellulose ethers, and microcrystalline waxes.
  • foam control granules comprising a hydrophobic fluid (A) selected from organopolysiloxane fluids and/or water-insoluble organic fluids, a water- soluble or water-dispersible binder polymer (B) and a particulate solid carrier (C) which has a density less than 1 g/ml are particularly effective in rapid foam destruction of rinse water leading to a clear surface free from bubbles and scum (micro foam).
  • A hydrophobic fluid
  • A selected from organopolysiloxane fluids and/or water-insoluble organic fluids
  • B water- soluble or water-dispersible binder polymer
  • C particulate solid carrier
  • Organopolysiloxane fluids are generally suitable for use as the hydrophobic fluid (A), provided that the organopolysiloxane has not been modified by introduction of hydrophilic substituents.
  • the organic groups in the organopolysiloxane can for example be selected from alkyl groups having 1 to 24 carbon atoms, aryl groups having 6 to 12 carbon atoms, aralkyl groups having 7 to 16 carbon atoms and alkenyl groups having 2 to 24 carbon atoms.
  • suitable alkyl groups include methyl, ethyl, octyl, hexyl, heptyl, decyl, dodecyl, and/or tetradecyl.
  • Suitable aryl groups include phenyl, tolyl (methylphenyl) and naphthyl.
  • suitable aralkyl groups include benzyl, 2- phenylpropyl and 2-phenylethyl.
  • alkenyl groups include vinyl and hexenyl.
  • the organopolysiloxane can for example be a polydiorganosiloxane.
  • the polydiorganosiloxane can for example be a polydimethylsiloxane or a polysiloxane comprising methylalkylsiloxane units, methylarylsiloxane units, or methylaralkylsiloxane units, optionally copolymerised with dimethylsiloxane units.
  • the polydiorganosiloxane fluid may contain no branching or can have up to 5 mole % branching units such as RSi03/2 units, where R is a hydrocarbon group, or crosslink sites.
  • the hydrophobic fluid (A) can for example be a lightly crosslinked (or branched) polydimethylsiloxane or other polydiorganosiloxane prepared by reaction of a
  • polydiorganosiloxane having trialkoxysilyl end groups with a polydiorganosiloxane having at least one terminal silanol group, for example a hydroxyl-terminated
  • polydimethylsiloxane and hydroxyl-terminated polydimethylsiloxane can alternatively be reacted with a trialkoxysilane or tetraalkoxysilane as described in EP-A-163541 .
  • the crosslinked polydimethylsiloxane can for example have a viscosity at 25 5 C of from 0.007 m2/s up to 0.03 m2/s.
  • An alternative polydiorganosiloxane suitable as hydrophobic fluid (A) is a polysiloxane comprising at least 10% diorganosiloxane units of the formula
  • X denotes a divalent aliphatic organic group bonded to silicon through a carbon atom
  • Ph denotes an aromatic group
  • Y denotes an alkyi group having 1 to 4 carbon atoms
  • Y' denotes an aliphatic hydrocarbon group having 1 to 24 carbon atoms, as described in EP1075864.
  • a further alternative polydiorganosiloxane suitable as hydrophobic fluid (A) is a polysiloxane comprising 50-100% diorganosiloxane units of the formula
  • Y denotes an alkyi group having 1 to 4 carbon atoms and Z denotes an alkyi group having 6 to 18 carbon atoms.
  • DP degree of siloxane units
  • polymerisation in the average molecule of the polysiloxane fluid of either of the above types is at least 5, for example in the range of from 10 to 5000.
  • water-insoluble organic fluids suitable for use as hydrophobic fluid (A) include oils, e.g. mineral oils, especially hydrogenated mineral oil or white oil, liquid polyisobutene, isoparaffinic oils and vegetable oils, for example peanut oil, coconut oil, olive oil, cottonseed oil and linseed oil.
  • oils e.g. mineral oils, especially hydrogenated mineral oil or white oil, liquid polyisobutene, isoparaffinic oils and vegetable oils, for example peanut oil, coconut oil, olive oil, cottonseed oil and linseed oil.
  • Mixtures of organopolysiloxane fluids and water-insoluble organic fluids can be used as hydrophobic fluid (A).
  • Mixtures of different organopolysiloxane fluids or mixtures of different water-insoluble organic fluids also can be used as hydrophobic fluid (A).
  • the foam control agent may advantageously contain a hydrophobic filler dispersed in the polydiorganosiloxane fluid.
  • Hydrophobic fillers for foam control agents are well known and are particulate materials which are solid at 100°C, such as silica, typically with a surface area as measured by BET measurement of at least 50 m2 /g., titania, ground quartz, alumina, an aluminosilicate, zinc oxide, magnesium oxide, a salt of an aliphatic carboxylic acids, a reaction product of an isocyanate with an amine, e.g. cyclohexylamine, or an alkyl amide such as ethylenebisstearamide or methylenebisstearamide. Mixtures of two or more of these can be used.
  • hydrophobic in nature but can be used if made hydrophobic.
  • silica which is made hydrophobic.
  • silica materials include those which are prepared by heating, e.g. fumed silica, or precipitation.
  • the silica filler may for example have an average particle size of from 0.5 to ⁇ , alternatively of from 2 to 30 ⁇ , alternatively of from 5 to 25 ⁇ - ⁇ .
  • It can be made hydrophobic by treatment with a fatty acid or can be made hydrophobic by the use of methyl substituted organosilicon materials such as dimethylsiloxane polymers which are end-blocked with silanol or silicon-bonded alkoxy groups, hexamethyldisilazane, hexamethyldisiloxane or organosilicon resins containing (CH3)3Si01 /2 groups and silanol groups. Hydrophobing is generally carried out at a temperature of at least 100°C.
  • fillers can be used, for example a highly hydrophobic silica filler such as that sold under the Trade Mark 'Sipemat D10' can be used together with a partially hydrophobic silica such as that sold under the Trade Mark 'Aerosil R972'.
  • the hydrophobic filler can for example be used in the foam control agent at a level in the range of from 0.5 to 50% by weight based on the hydrophobic fluid (A), particularly of from 1 up to 10 or 15%.
  • the foam control agent may contain an organosilicon resin dissolved or dispersed in the hydrophobic fluid.
  • an organosilicon resin can enhance the foam control efficiency of the hydrophobic fluid.
  • the organosilicon resin is generally a non-linear siloxane resin and typically consists of siloxane units of the formula R'aSi04-a/2 wherein R' denotes a hydroxyl, hydrocarbon or hydrocarbonoxy group, and wherein a has an average value of from 0.5 to 2.4. It can for example consist of monovalent trihydrocarbonsiloxy (M) groups of the formula R"3Si01 /2 and tetrafunctional (Q) groups Si04/2 wherein R" denotes a monovalent hydrocarbon group.
  • the number ratio of M groups to Q groups can for example be in the range of from 0.4:1 to 2.5:1 .
  • the organosilicon resin, if present, is generally a solid at room temperature.
  • the organosilicon resin can for example be present in the antifoam at a range of from 1 to 50% by weight based on the hydrophobic fluid (A), particularly of from 4 to 15%.
  • the organosilicon resin may be soluble or insoluble in the hydrophobic fluid. If the resin is insoluble in the hydrophobic fluid, the average particle size of the resin may for example be of from 0.5 to 400 ⁇ .
  • the foam control agent can optionally contain a surfactant, for example an anionic, nonionic or cationic surfactant, or an emulsifying agent, to aid in transfer of the hydrophobic fluid (A) to the foam surface.
  • a surfactant or emulsifying agent can for example be mixed with the hydrophobic fluid (A) or with the binder (B) when preparing the foam control granules.
  • surfactants include alkylbenzenesulfonates such as
  • dodecylbenzenesulfonic acid sodium n-dodecyl benzene sulphonate; sarcosinate; fatty alcohol ethoxylates; polysorbates; silicone polyethers or silicone glycols; and mixtures thereof.
  • the invention is particularly suitable for use in the rinse stage of a laundry process wherein clothes and/or other textile material are washed and rinsed by hand, possibly with limited access to water.
  • the invention can also be used in any process in which foam is created in a washing process to collapse the foam, for example in the washing of fibres, textiles, paper, or wood pulp; particularly in low temperature washing processes (10-40°C)
  • the invention is illustrated by the following Examples, in which parts and percentages are by weight unless otherwise stated.
  • Rinse aid granules produced in the Examples were tested in a hand wash protocol simulating the first rinse in a bucket.
  • a terry towel was vigorously hand washed in a dispersion of 20g 'Surf Excel' (trade mark) detergent powder dedicated to hand wash in 5 litres of water at 30°C and 24°F hardness. The towel was wrung so that the weight of the wet towel was 600g.
  • Rinse aid granules were added to 5 litres of water at 30°C and 24°F hardness in a rinse bucket in such quantity that all products are tested at 14 ppm of active matter per litre.
  • the wet towel was immersed in the rinse bucket, lifted out and immersed again twice, squeezed 5 times and wrung out over the rinse bucket.
  • the time to break the foam after having wrung the towel has been recorded as well as an evaluation of the state of the surface of the rinse bucket 20 seconds after wringing.
  • a visual assessment has been done of percentages of foam, scum (fine foam with a height ⁇ 1 mm) and clear surface based on 100% of the water surface in the rinse bucket.
  • Granules 1 , 3 and 4 are the most effective in reducing the percentage of scum covering the surface of the bucket , with carriers being sodium sulfate (soluble in water), starch (density ⁇ 1 g/ml) and wood flour (density ⁇ 1 g/ml) respectively.
  • Table 4 reviews the compositions of Granules 5 to 7 containing different hydrophobic fluids, while Table 5 indicates the performances of Granules 5 to 7 in eliminating foam and scum as disclosed in the rinse test above, in comparison to Granule 3 above and in comparison to a situation where no antifoam system is used.
  • Foam control FC4 used in Granule 5 is prepared by treatment of dispersed amorphous silica (Syloid 244) in polydimethylsiloxane, trimethylsiloxy-terminated.
  • Foam control FC2 used in Granule 6 is prepared as follows. 6% treated precipitated silica available under the name Sipernat D10 from Evonik and 1 % partially hydrophobic silica available under the name R972 from Evonik were dispersed in an organosiloxane fluid having methyl 2-phenylpropyl siloxane groups. 6.7% by weight of a 60% solution of an organosiloxane resin having trimethyl siloxane units and Si02 units in a M/Q ratio of 0.65/1 in octyl stearate was added. The mixture was homogenized through a high shear mixer to form a foam control intermediate FC2.
  • FC3 used in Granule 7 is prepared as follows. FC2 was repeated but replacing the polyorganosiloxane fluid and the organosiloxane resin by PIB. TABLE 5 - granule performance in rinse test based on different hydrophobic fluids
  • Granule 3 is the most effective in reducing the percentage of scum covering the surface of the bucket, with the carrier being starch and the hydrophobic fluid being a branched siloxane.

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)
  • Degasification And Air Bubble Elimination (AREA)

Abstract

La présente invention concerne un procédé de lavage et de rinçage comprenant le lavage d'un substrat en présence d'une solution aqueuse d'un détergent, entraînant la production d'une mousse lors du lavage, et le rinçage du substrat lavé dans de l'eau de rinçage, selon lequel un agent régulateur de mousse sous forme solide est ajouté à l'eau de rinçage ou au substrat lavé avant ou pendant l'étape de rinçage mais après l'étape de lavage.
PCT/EP2015/054319 2014-03-05 2015-03-02 Agents regulateurs de mousse WO2015132207A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1403910.1 2014-03-05
GBGB1403910.1A GB201403910D0 (en) 2014-03-05 2014-03-05 Foam control agents

Publications (1)

Publication Number Publication Date
WO2015132207A1 true WO2015132207A1 (fr) 2015-09-11

Family

ID=50490853

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/054319 WO2015132207A1 (fr) 2014-03-05 2015-03-02 Agents regulateurs de mousse

Country Status (2)

Country Link
GB (1) GB201403910D0 (fr)
WO (1) WO2015132207A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11879112B2 (en) 2017-08-24 2024-01-23 Conopco, Inc. Foam control ingredient comprising glycerol monooleate sorbed on zeolite for detergent composition

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2637620A1 (fr) * 1988-10-12 1990-04-13 Dow Corning Sa Composition assouplissante liquide pour textiles et procede l'utilisant
US6294515B1 (en) * 1993-04-20 2001-09-25 Ecolab Inc. Low foaming rinse agents comprising alkylene oxide modified sorbitol fatty acid ester and defoaming agent
US20020111285A1 (en) * 2000-06-22 2002-08-15 Price Kenneth Nathan Rinse-added fabric treatment composition, kit containing such, and method of use therefor
US20030060390A1 (en) * 2001-03-07 2003-03-27 The Procter & Gamble Company Rinse-added fabric conditioning composition for use where residual detergent is present
WO2012041658A1 (fr) * 2010-09-28 2012-04-05 Unilever Nv Compositions aqueuses de traitement du linge ajoutées au rinçage
WO2013029904A1 (fr) * 2011-09-01 2013-03-07 Unilever Plc Améliorations concernant des assouplissants textiles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2637620A1 (fr) * 1988-10-12 1990-04-13 Dow Corning Sa Composition assouplissante liquide pour textiles et procede l'utilisant
US6294515B1 (en) * 1993-04-20 2001-09-25 Ecolab Inc. Low foaming rinse agents comprising alkylene oxide modified sorbitol fatty acid ester and defoaming agent
US20020111285A1 (en) * 2000-06-22 2002-08-15 Price Kenneth Nathan Rinse-added fabric treatment composition, kit containing such, and method of use therefor
US20030060390A1 (en) * 2001-03-07 2003-03-27 The Procter & Gamble Company Rinse-added fabric conditioning composition for use where residual detergent is present
WO2012041658A1 (fr) * 2010-09-28 2012-04-05 Unilever Nv Compositions aqueuses de traitement du linge ajoutées au rinçage
WO2013029904A1 (fr) * 2011-09-01 2013-03-07 Unilever Plc Améliorations concernant des assouplissants textiles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11879112B2 (en) 2017-08-24 2024-01-23 Conopco, Inc. Foam control ingredient comprising glycerol monooleate sorbed on zeolite for detergent composition

Also Published As

Publication number Publication date
GB201403910D0 (en) 2014-04-16

Similar Documents

Publication Publication Date Title
JP4612162B2 (ja) シリコーン系消泡剤
JP4664472B2 (ja) シリコーン制泡剤
US9487736B2 (en) Granulated foam control agent for the rinse cycle using siloxane wax
AU671547B2 (en) Particulate foam control agents and their use
US8536109B2 (en) Foam control composition
EP3444324B1 (fr) Composition de régulation de mousse
WO2012076186A2 (fr) Produits organopolysiloxanes granulés
US9040474B2 (en) Granulated foam control composition comprising a polyol ester and cationic polymer
JP2017523291A (ja) 洗濯洗剤組成物を含む可溶性単位用量
EP3033160B1 (fr) Procédé de formation d'un granule antimousse
JP2013521377A (ja) 両用液体洗濯洗剤
JP4542896B2 (ja) シリコーン泡制御組成物
JP4664511B2 (ja) 泡調節剤
CA2128799A1 (fr) Agents antimousses particulaires
JP2007514544A (ja) 発泡制御組成物
WO2015132207A1 (fr) Agents regulateurs de mousse
JP5282353B2 (ja) 粒状シリコーン消泡剤組成物及び粉末洗剤組成物
WO2013181948A1 (fr) Composition granulée de régulation de mousse
JP3162249B2 (ja) 衣料洗濯用すすぎ助剤及びそれを含有する洗剤組成物
WO2019005336A1 (fr) Compositions de contrôle de mousse

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15709136

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15709136

Country of ref document: EP

Kind code of ref document: A1