EP3390610A1 - Procédé de lavage perfectionné - Google Patents

Procédé de lavage perfectionné

Info

Publication number
EP3390610A1
EP3390610A1 EP16805862.6A EP16805862A EP3390610A1 EP 3390610 A1 EP3390610 A1 EP 3390610A1 EP 16805862 A EP16805862 A EP 16805862A EP 3390610 A1 EP3390610 A1 EP 3390610A1
Authority
EP
European Patent Office
Prior art keywords
water
particles
insoluble solid
solid particles
polydialkylsiloxanes
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Withdrawn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
EP16805862.6A
Other languages
German (de)
English (en)
Inventor
Benoit Luneau
Michael Dreja
Peter Schmiedel
Christian Nitsch
Arnd Kessler
Thomas Müller-Kirschbaum
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP3390610A1 publication Critical patent/EP3390610A1/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Withdrawn legal-status Critical Current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
    • 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
    • C11D17/0013—Liquid compositions with insoluble particles in suspension
    • 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
    • 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
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines
    • C11D3/3773—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines 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
    • C11D3/37—Polymers
    • C11D3/3788—Graft polymers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/006—Methods for washing, rinsing or spin-drying for washing or rinsing only
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing 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
    • 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
    • C11D2111/12—Soft surfaces, e.g. textile

Definitions

  • the present invention relates to the use of certain solid particulate cleaning material in washing processes for washing textile substrates.
  • such components of a detergent may be added at different times to such combinations of polymer particles and moistened substrate contained in a washing machine, and the polymer particles self-soiling when used for cleaning soiled substrates, can be purified by treatment with a detergent composition;
  • the various detergent components can pass from a cartridge into the washing machine, wherein in the international patent application WO 2013/152065 specific amount range for individual detergent ingredients are given.
  • the polymer particles can be substantially cylindrical or spherically shaped, their average apparent density in the range from 0.5 g / cm 3 to 2.5 g / cm 3 and their mean volume in the Range from 5 mm 3 to 275 mm 3 , and they can be used in a weight ratio of 0, 1: 1 to 10: 1 on the substrate to be cleaned in washing machines with filling capacities in the range of 5 l to 50 l.
  • International Patent Application WO 2013/132225 A1 relates to the reintroduction of used polymer particles in the cleaning process after their treatment with detergent dispensed from a cartridge.
  • International patent application WO 2013/132223 A1 discloses that the polymer particles may contain antimicrobial active substance.
  • the polymer particles may have cleaning agents in a form immobilized on the particle surface.
  • Suitable cleaning agents are surfactants, enzymes, oxidants and bleaches. These can be immobilized on the surface of the polymer particles by forming ionic bonds, hydrogen bonds or covalent bonds, and bonding agents such as glutaraldehyde-derived linking groups can also be present between the cleaning agents and the particle surface.
  • washing aids in addition to the indispensable for the washing process ingredients such as surfactants and builder materials usually other ingredients that can be summarized under the term washing aids and the so different drug groups such as foam regulators, graying inhibitors, bleach, bleach activators and color transfer inhibitors include.
  • excipients also include substances whose presence enhances the detergency of surfactants, without them usually having to have a surfactant behavior itself.
  • detergency booster or in the case of a particularly pronounced effect against oil or fat-based stains as a "fat booster".
  • the object of the present invention is to improve the washing performance in the presence of a plurality of polymer particles, in particular in the removal of stains from textile substrates with oily and / or fatty, proteinaceous and / or fruitaceous stains.
  • the invention in a first embodiment is an aqueous wash liquor in a device for cleaning soiled textile substrates, containing a plurality of water-insoluble solid particles, which are obtainable by the reaction of polyamide particles with reactive polydialkylsiloxanes and / or alkanes.
  • the invention further comprises a process for removing stains from textile substrates, which comprises using an aqueous wash liquor containing a multiplicity of water-insoluble solid particles obtainable by the reaction of polyamide particles with polydialkylsiloxanes and / or alkanes bearing reactive groups.
  • Another object of the invention is the use of a variety of water-insoluble solid particles, which are obtainable by the reaction of polyamide particles with reactive polydialkylsiloxanes and / or alkanes, for the purification of soiled textile Substrates by contacting the particles with the textile substrate in the presence of water.
  • the washing liquor according to the invention can be obtained manually or preferably by machine, for example by means of a washing machine. If desired, it is possible to apply a solid or liquid detergent beforehand, simultaneously or after use with the water-insoluble solid particles. Particularly in the case of simultaneous application, the concentration of such a detergent in the liquid fraction of the wash liquor according to the invention is preferably 1 mg / l to 500 mg / l, in particular 5 mg / l to 100 mg / l.
  • the liquid fraction of the wash liquor is understood as the proportion of the total wash liquor including the water-insoluble solid particles obtained by centrifuging the water-insoluble solid particles for 5 minutes by centrifuging 8 kg of the wash liquor containing the solid water-insoluble particles in a centrifuge with horizontally mounted cylindrical rotating body of 515 mm inner diameter and 370 mm internal depth at 1400 revolutions per minute separated from the liquid portion.
  • the polydialkylsiloxane and / or alkane groups Due to the presence of the polydialkylsiloxane and / or alkane groups on the surface of the water-insoluble particles, their frictional properties are improved, and their use therefore results in less damage to the surface of the textile substrate to be cleaned. Not only in the case of polydialkylsiloxane groups but also in the case of alkane groups, the particles become more compatible with silicone oils or silicone surfactants optionally present in the wash liquor, so that their textile-care or cleansing effect on the textile substrate is better emphasized.
  • the water-insoluble solid particles are polyamide-containing particles, and especially particles of polyamide, more particularly particles of nylon, most preferably in the form of nylon chips.
  • Various nylon homo- or co-polymers can be used, including nylon 6 and nylon 6,6.
  • the polyamide comprises nylon 6,6 homopolymer having an average molecular weight in the range of 5,000 to 30,000 daltons, preferably 10,000 to 20,000 daltons, most preferably 15,000 to 16,000 daltons.
  • Such water-insoluble solid particles form as it were the carrier material for the polydialkylsiloxane and / or alkane groups on the surface.
  • the water-insoluble particles carry polydialkylsiloxane and / or alkane groups on their surface.
  • This can be achieved by reacting the above-described polymer particles with reactive polydialkylsiloxanes and / or alkanes.
  • Preferred reactive groups are epoxy, carboxy and cyclic anhydride groups and mixtures thereof. The reaction of such reactive groups bearing polydialkylsiloxanes and / or alkanes with polyamide surfaces, for example, from J. Appl. Pole. Science 73, 129-136 (1999).
  • the polydialkylsiloxane is preferably a polydimethylsiloxane and the alkane is a polyethylene, polypropylene and / or hydrogenated polyisoprene.
  • a cyclic anhydride group can be prepared by graft copolymerization of, for example, maleic anhydride onto a polyethylene, polypropylene and / or or introduce polyisoprene.
  • polydialkylsiloxanes and / or alkanes bearing reactive groups such that 1 ⁇ g / cm 2 to 200 ⁇ g / cm 2 , in particular 5 ⁇ g / cm 2 to 50 ⁇ g / cm 2 of polydialkylsiloxane and / or or alkane groups are located on the particle surface.
  • the molecular weight of a polydialkylsiloxane or alkane group is preferably in the range from 1000 g / mol to 200 000 g / mol, in particular from 1000 g / mol to 100 000 g / mol.
  • the water-insoluble solid particles or particles or shaped bodies used according to the invention are preferably of such a shape and size which enables good flowability and close contact with the material to be cleaned.
  • Preferred forms of the particles include spheres and cubes, but the preferred particle shape is cylindrical.
  • the particles are preferably sized to each have a weight in the range of from 20 mg to 50 mg, preferably from 30 mg to 40 mg, or at least the number average weight of the particles in these ranges.
  • the preferred particle diameter is 1.5 mm to 6.0 mm, more preferably 2.0 mm to 5.0 mm, most preferably 2.5 mm to 4.5 mm, while the The length of the cylindrical particles is preferably in the range of 2.0 mm to 6.0 mm, more preferably 3.0 mm to 5.0 mm, and most preferably in the range of 4.0 mm.
  • the material to be cleaned is wetted by wetting with water to provide additional enhancement to the wash liquor and thereby improve the transport properties of the laundry and particles within the system such that the removal of Dirt and stains is facilitated.
  • it can be wetted by contact with tap water.
  • the wetting treatment is carried out so as to achieve a weight ratio of laundry to water in the range of 1: 0, 1 to 1: 5; more preferably, the weight ratio is in the range of 1: 0.2 to 1: 2, with particularly favorable results being achieved with ratios such as 1: 0.2, 1: 1 and 1: 2.
  • successful results can be achieved with a weight ratio of up to 1:50, although such ratios are not preferred in view of the substantial amounts of wastewater that are generated.
  • a weight ratio of laundry to water-insoluble solid particles is preferably in the range of 1: 1 to 1: 30, especially 1: 1, 5 to 1: 2.5, especially 1: 2.
  • the proportion of the water-insoluble solid particles as the weight of the particles in the dry state that is, after 24-hour storage at 21 ° C and a relative humidity of 65%, determined.
  • the particles After use in the process according to the invention or for use in accordance with the invention, the particles still exhibit the surface modification essential to the invention; they can be used satisfactorily again, although some deterioration in performance is generally observed after three or more inserts of the particles.
  • the regeneration of the water-insoluble solid particles can be carried out in a manner known per se, as described, for example, in WO 2012/035342 A1. In the context of the present invention, the regeneration takes place by contacting the particles, for example in a separate rinse, optionally by adding cleaning agents, which may also be of an aggressive nature.
  • the temperature of the regeneration step is at least independent of the washing temperature when the laundry is removed before the regeneration of the particles.
  • Another embodiment of the invention is a device for cleaning soiled textile substrates comprising a plurality of water-insoluble solid particles obtainable by reacting polyamide particles with polydialkylsiloxanes and / or alkanes carrying reactive groups, and a reservoir for receiving the particles inside or outside of them Contraption.
  • the apparatus of the invention typically includes a trap door in a housing to allow access to the interior of the washing tub to provide a substantially closed system.
  • the door includes access to a cylindrical drum rotatably supported in another stationary drum while the rotatably supported cylindrical drum is mounted vertically within the housing. Consequently, a front loading device is preferred.
  • the cylindrical drum may be mounted vertically within the housing and the access device located in the top of the device, which rotatable drum must also have an access device.
  • the device according to the invention is suitable for providing contact of the particles with the soiled substrate. Ideally, the particles should be effectively circulated to promote effective cleaning.
  • the device comprises at least one reservoir, in particular with a corresponding control, for the water-insoluble solid particles, for example inside the washing machine, which contains particles for regeneration and is suitable for controlling the flow of particles within the washing machine.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Detergent Compositions (AREA)

Abstract

La présente invention concerne un bain détergent aqueux dans un dispositif servant à nettoyer des substrats textiles souillés, contenant une pluralité de particules solides insolubles dans l'eau, pouvant être obtenues par réaction de particules de polyamide avec des polydialkylsiloxanes et/ou des alcanes comportant des groupes réactifs.
EP16805862.6A 2015-12-17 2016-12-06 Procédé de lavage perfectionné Withdrawn EP3390610A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015225548.4A DE102015225548A1 (de) 2015-12-17 2015-12-17 Verbessertes Waschverfahren II
PCT/EP2016/079844 WO2017102423A1 (fr) 2015-12-17 2016-12-06 Procédé de lavage perfectionné

Publications (1)

Publication Number Publication Date
EP3390610A1 true EP3390610A1 (fr) 2018-10-24

Family

ID=57482452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16805862.6A Withdrawn EP3390610A1 (fr) 2015-12-17 2016-12-06 Procédé de lavage perfectionné

Country Status (5)

Country Link
US (1) US20180305645A1 (fr)
EP (1) EP3390610A1 (fr)
KR (1) KR20180095629A (fr)
DE (1) DE102015225548A1 (fr)
WO (1) WO2017102423A1 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998028339A1 (fr) * 1996-12-23 1998-07-02 Ciba Specialty Chemicals Water Treatments Limited Particules presentant des proprietes de surface et procedes de production de ces particules
CN101384679B (zh) * 2006-02-14 2011-11-02 宝洁公司 响应性涂覆颗粒
GB0607047D0 (en) 2006-04-07 2006-05-17 Univ Leeds Novel cleaning method
GB0920565D0 (en) * 2009-11-24 2010-01-06 Xeros Ltd Improved cleaning apparatus
GB201006076D0 (en) 2010-04-12 2010-05-26 Xeros Ltd Novel cleaning apparatus and method
GB201015276D0 (en) 2010-09-14 2010-10-27 Xeros Ltd Polymer treatment method
GB201018318D0 (en) 2010-10-29 2010-12-15 Xeros Ltd Improved cleaning method
GB201204074D0 (en) 2012-03-08 2012-04-18 Reckitt & Colman Overseas Novel cleaning method
GB201204071D0 (en) 2012-03-08 2012-04-18 Reckitt & Colman Overseas Polymer treatment method
US9249158B2 (en) 2012-04-05 2016-02-02 Boehringer Ingelheim International Gmbh Cytomegalovirus inhibitor compounds
GB201212098D0 (en) 2012-07-06 2012-08-22 Xeros Ltd New cleaning material

Also Published As

Publication number Publication date
WO2017102423A1 (fr) 2017-06-22
KR20180095629A (ko) 2018-08-27
US20180305645A1 (en) 2018-10-25
DE102015225548A1 (de) 2017-06-22

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