EP2609182A1 - Verwendung eines thermoplastischen polymers zur verhinderung der kunststoffverfärbung während der reinigungsvorgangs in geschirrspülmaschinen - Google Patents
Verwendung eines thermoplastischen polymers zur verhinderung der kunststoffverfärbung während der reinigungsvorgangs in geschirrspülmaschinenInfo
- Publication number
- EP2609182A1 EP2609182A1 EP11752161.7A EP11752161A EP2609182A1 EP 2609182 A1 EP2609182 A1 EP 2609182A1 EP 11752161 A EP11752161 A EP 11752161A EP 2609182 A1 EP2609182 A1 EP 2609182A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- use according
- thermoplastic polymer
- detergent formulation
- weight
- μηι
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 229920006037 cross link polymer Polymers 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 235000012754 curcumin Nutrition 0.000 description 1
- 239000004148 curcumin Substances 0.000 description 1
- 229940109262 curcumin Drugs 0.000 description 1
- 235000007336 cyanidin Nutrition 0.000 description 1
- ZXIJMRYMVAMXQP-UHFFFAOYSA-N cycloheptene Chemical compound C1CCC=CCC1 ZXIJMRYMVAMXQP-UHFFFAOYSA-N 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- VFLDPWHFBUODDF-UHFFFAOYSA-N diferuloylmethane Natural products C1=C(O)C(OC)=CC(C=CC(=O)CC(=O)C=CC=2C=C(OC)C(O)=CC=2)=C1 VFLDPWHFBUODDF-UHFFFAOYSA-N 0.000 description 1
- KHAYCTOSKLIHEP-UHFFFAOYSA-N docosyl prop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCCCCCOC(=O)C=C KHAYCTOSKLIHEP-UHFFFAOYSA-N 0.000 description 1
- 229940069096 dodecene Drugs 0.000 description 1
- GMSCBRSQMRDRCD-UHFFFAOYSA-N dodecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCOC(=O)C(C)=C GMSCBRSQMRDRCD-UHFFFAOYSA-N 0.000 description 1
- 238000002296 dynamic light scattering Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 235000008216 herbs Nutrition 0.000 description 1
- LNMQRPPRQDGUDR-UHFFFAOYSA-N hexyl prop-2-enoate Chemical compound CCCCCCOC(=O)C=C LNMQRPPRQDGUDR-UHFFFAOYSA-N 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000010102 injection blow moulding Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000012661 lycopene Nutrition 0.000 description 1
- 239000001751 lycopene Substances 0.000 description 1
- OAIJSZIZWZSQBC-GYZMGTAESA-N lycopene Chemical compound CC(C)=CCC\C(C)=C\C=C\C(\C)=C\C=C\C(\C)=C\C=C\C=C(/C)\C=C\C=C(/C)\C=C\C=C(/C)CCC=C(C)C OAIJSZIZWZSQBC-GYZMGTAESA-N 0.000 description 1
- 229960004999 lycopene Drugs 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 235000010460 mustard Nutrition 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- YPHQUSNPXDGUHL-UHFFFAOYSA-N n-methylprop-2-enamide Chemical compound CNC(=O)C=C YPHQUSNPXDGUHL-UHFFFAOYSA-N 0.000 description 1
- HMZGPNHSPWNGEP-UHFFFAOYSA-N octadecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C(C)=C HMZGPNHSPWNGEP-UHFFFAOYSA-N 0.000 description 1
- NZIDBRBFGPQCRY-UHFFFAOYSA-N octyl 2-methylprop-2-enoate Chemical compound CCCCCCCCOC(=O)C(C)=C NZIDBRBFGPQCRY-UHFFFAOYSA-N 0.000 description 1
- 229940065472 octyl acrylate Drugs 0.000 description 1
- ANISOHQJBAQUQP-UHFFFAOYSA-N octyl prop-2-enoate Chemical compound CCCCCCCCOC(=O)C=C ANISOHQJBAQUQP-UHFFFAOYSA-N 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- ULDDEWDFUNBUCM-UHFFFAOYSA-N pentyl prop-2-enoate Chemical compound CCCCCOC(=O)C=C ULDDEWDFUNBUCM-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 description 1
- ARJOQCYCJMAIFR-UHFFFAOYSA-N prop-2-enoyl prop-2-enoate Chemical compound C=CC(=O)OC(=O)C=C ARJOQCYCJMAIFR-UHFFFAOYSA-N 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 235000020095 red wine Nutrition 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004334 sorbic acid Substances 0.000 description 1
- 229940075582 sorbic acid Drugs 0.000 description 1
- 235000010199 sorbic acid Nutrition 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 235000013616 tea Nutrition 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- ZCIHMQAPACOQHT-ZGMPDRQDSA-N trans-isorenieratene Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/c1c(C)ccc(C)c1C)C=CC=C(/C)C=Cc2c(C)ccc(C)c2C ZCIHMQAPACOQHT-ZGMPDRQDSA-N 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- OENHQHLEOONYIE-JLTXGRSLSA-N β-Carotene Chemical compound CC=1CCCC(C)(C)C=1\C=C\C(\C)=C\C=C\C(\C)=C\C=C\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C OENHQHLEOONYIE-JLTXGRSLSA-N 0.000 description 1
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
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3749—Polyolefins; Halogenated polyolefins; Natural or synthetic rubber; Polyarylolefins or halogenated polyarylolefins
-
- 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
- C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
-
- 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
- C11D3/0021—Dye-stain or dye-transfer inhibiting 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
-
- 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
- C11D2111/18—Glass; Plastics
-
- 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
- C11D2111/20—Industrial or commercial equipment, e.g. reactors, tubes or engines
Definitions
- the present patent application relates to detergents for the automatic cleaning of dishes.
- This application relates in particular to the use of thermoplastic additives in automatic dishwasher detergents to prevent the discoloration of
- Machine-washed dishes are often subject to more stringent requirements today than manually-washed dishes.
- a tableware that has been completely cleaned at first glance of food waste is then rated as not having any flaw if, after machine dishwashing, it still has discolorations which are based, for example, on the attachment of vegetable dyes to the dish surface.
- automatic dishwashing detergents For example, to obtain spotless dishes, bleaches are used in automatic dishwashing detergents for this reason. To activate these bleaching agents and to achieve an improved bleaching action when cleaning at temperatures of 60 ° C and below, automatic dishwashing detergents generally further contain bleach activators or
- Bleach catalysts in particular, the bleach catalysts have been found to be particularly effective.
- European Patent EP 1 373 450 (BASF) describes the use of specific carboxylic acid-containing copolymers to prevent the bleaching agents
- thermoplastic polymers in the rinse liquor can be avoided or at least reduced in scope.
- a first subject of this application is therefore the use of a thermoplastic polymer with the exception of polyamide to prevent the discoloration of
- thermoplastic polymer used in the invention is preferably water-insoluble.
- water-insoluble polymers are those which dissolve in water at 20 ° C. to less than 1 g / 1000 ml, preferably less than 0.5 g / 1000 ml and in particular less than 0.1 g / 1000 ml.
- the water solubility of particularly preferred water-insoluble polymers is less than 0.01 g / 1000 ml.
- 1 g of the polymer is introduced into 100 ml of water (20 ° C) and stirred using a four-bladed stirrer (IKA RW 20) with 30 mm diameter at 800 U / min for 300 seconds.
- thermoplastic polymers includes polycarbonates, polyesters, polyphenylene oxide and polysulfone.
- Preferred thermoplastic polymers are the polyethylene as well as polypropylene, poly-1-butene, poly-4-methyl-1-pentene, polyvinyl chloride,
- Polyvinylidene chloride polymethyl methacrylate, polyacrylonitrile, polystyrene or polyacetals.
- the preferred thermoplastic polyadducts include not only the linear polyurethanes but also chlorinated polyethers.
- Polymers from the group of polyolefins have proven to be particularly advantageous in terms of their processability and the prevention of the discoloration of plastic objects.
- Polyolefins particularly preferably polyethylene, polypropylene, polyvinyl chloride or polystyrene and in particular polyethylene are therefore preferably used according to the invention.
- thermoplastic polymer polyethylene is preferably used according to the invention.
- thermoplastic polymer is used in a first preferred embodiment in the form of particles or powders, films or films, granules, extrudates or castings.
- the processing that is the homogenization and / or plasticization and / or shaping of the polymer mixture according to the invention is carried out, for example, by pressing, extrusion, injection molding or blow molding.
- thermoplastic polymers By choosing the ready-made form according to the invention used thermoplastic polymers, the discoloration of plastic objects can be influenced. To prevent such discoloration as far as possible, it has proven to be advantageous that the
- thermoplastic polymer is in particle form and at least 50 wt .-%, preferably at least 70 wt .-% and in particular at least 90 wt .-% of the particles has a particle size between 1 and 2000 ⁇ , preferably between 5 and 1000 ⁇ and in particular between 50 and 250 ⁇ .
- the particle size can be determined in particular by means of dynamic light scattering, which is usually carried out on dilute suspensions containing, for example, from 0.01 to 1% by weight of the particles.
- thermoplastic polymer has a porous structure with an average pore diameter (according to DIN 66133) of 0.01 to 0.20 ⁇ and in particular from 0.02 to 0.1 ⁇ .
- the thermoplastic polymer is used in the form of a solid foam.
- Foam is a structure of gas-filled cells, which are limited in the present case by highly viscous or solid cell webs.
- the foam has average pore sizes below 10 mm, preferably below 5 mm and in particular below 2 mm.
- the pore volume is preferably at least 20% by volume, preferably at least 40% by volume, more preferably at least 60% by volume and in particular at least 70% by volume of the total volume of
- the foam structure can be achieved by chemical reaction, by addition of blowing agents (blowing agents) which decompose at certain temperatures to form gas, by addition of volatile solvents, for example volatile hydrocarbons having a boiling point between 40 and 60 ° C, or by exposure to gases.
- blowing agents blowing agents
- volatile solvents for example volatile hydrocarbons having a boiling point between 40 and 60 ° C
- the BET specific surface area (according to DIN 66131) of the thermoplastic polymers is preferably at least 1 m 2 / g, preferably at least 2 m 2 / g and in particular at least 5 m 2 / g.
- thermoplastic polymer is preferably used as part of a
- the proportion by weight of the thermoplastic polymer in the detergent formulation is preferably between 0.1 and 25 wt .-%, preferably between 0.2 and 15 wt .-% and in particular between 1, 0 and 10 wt .-%.
- thermoplastic polymer Alternatively to the above-described addition of thermoplastic polymer to a
- thermoplastic polymer of the cleaning liquor in the context of a machine dishwashing process also be added separately, for example as an additive.
- a detergent formulation for example as part of this detergent formulation, it has proven to be advantageous in preventing the discoloration of plastic articles in such a dishwashing process if the detergent formulation is nonionic surfactant, preferably in
- Weight fractions of 0.1 to 10 wt .-% preferably from 0.2 to 8.0 wt .-% and in particular from 0.5 to 5.0 wt .-%, each based on the total weight of the detergent formulation contains.
- thermoplastic polymers for preventing the discoloration of plastic objects during the cleaning process in dishwashers, in the course of which nonionic surfactants are added to the cleaning liquor.
- the detergent formulation preferably comprises cleaning-active polymer Weight proportions of 0.1 to 15 wt .-%, preferably from 0.5 to 12 wt .-% and in particular from 2.0 to 8.0 wt .-%, each based on the total weight of the detergent formulation contains.
- thermoplastic polymers for preventing the discoloration of plastic objects during the cleaning process in dishwashers, in the course of which cleaning-active polymers are added to the cleaning liquor.
- the cleaning-active anionic polymers form a first group of preferred in
- thermoplastic polymers used cleaning active polymers.
- the cleaning-active anionic polymers may have two, three, four or more different monomer units.
- the group of these polymers includes, in addition to the homo- and co-polymeric polycarboxylates u.a. also the copolymeric polysulfonates which, in addition to a monomer from the group of unsaturated carboxylic acids, have at least one further monomer from the group of the unsaturated sulfonic acids.
- the polymeric polycarboxylates form a first group of cleaning-active anionic polymers.
- examples of such polymers are the alkali metal salts of polyacrylic acid or Polymethacrylic acid, for example, those having a molecular weight of 500 to
- Suitable anionic polymers are, in particular, polyacrylates which preferably have a molecular weight of 2,000 to 20,000 g / mol. Because of their superior solubility, the short-chain polyacrylates, which have molar masses of from 2000 to 10000 g / mol, and particularly preferably from 3000 to 5000 g / mol, may again be preferred from this group.
- copolymeric polycarboxylates in particular those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid.
- Copolymers of acrylic acid with maleic acid which contain 50 to 90% by weight of acrylic acid and 50 to 10% by weight of maleic acid have proven to be particularly suitable.
- Their relative molecular weight, based on free acids is generally from 2000 to 70000 g / mol, preferably from 20,000 to 50,000 g / mol and in particular from 30,000 to 40,000 g / mol.
- Preferred copolymeric polysulfonates contain sulfonic acid group-containing (s)
- Monomer (s) at least one monomer from the group of unsaturated carboxylic acids.
- unsaturated carboxylic acids are acrylic acid, methacrylic acid, ethacrylic acid, ⁇ -chloroacrylic acid, ⁇ -cyanoacrylic acid, crotonic acid, ⁇ -phenyl-acrylic acid, maleic acid,
- Particularly preferred monomers containing sulfonic acid groups are 1-acrylamido-1-propanesulfonic acid, 2-acrylamido-2-propanesulfonic acid, 2-acrylamido-2-methyl-1-propanesulfonic acid, 2-methacrylamido-2-methyl-1-propanesulfonic acid, 3 Methacrylamido-2-hydroxypropanesulfonic acid, allylsulfonic acid, methallylsulfonic acid, allyloxybenzenesulfonic acid, methallyloxybenzenesulfonic acid, 2-hydroxy-3- (2-propenyloxy) propanesulfonic acid, 2-methyl-2-propenylsulfonic acid, styrenesulfonic acid, vinylsulfonic acid, 3-sulfopropyl acrylate, 3-sulfopropyl methacrylate , Sulfomethacrylamide, sulfomethylmethacrylamide and mixtures of said acids or their water-soluble salt
- the sulfonic acid groups may be wholly or partially in neutralized form, i. the acidic acid of the sulfonic acid group in some or all sulfonic acid groups can be exchanged for metal ions, preferably alkali metal ions and in particular for sodium ions.
- metal ions preferably alkali metal ions and in particular for sodium ions.
- the copolymers include besides
- Carboxyl-containing monomer and sulfonic acid-containing monomer further at least one nonionic, preferably hydrophobic monomer.
- nonionic monomers are preferably monomers of the general formula
- R (R 2 ) C C (R 3 ) -XR 4 used, in which R to R 3 are independently -H, -CH 3 or -C 2 H 5 , X is an optional spacer group selected is from -CH 2 -, -C (0) 0- and -C (0) -NH-, and R 4 is a straight or branched chain saturated alkyl radical having 2 to 22 carbon atoms or an unsaturated, preferably aromatic radical having 6 to 22 carbon atoms.
- nonionic monomers are butene, isobutene, pentene, 3-methylbutene, 2-methylbutene, cyclopentene, hexene, hexene-1, 2-methylpentene-1, 3-methylpentene-1, cyclohexene, methylcyclopentene, cycloheptene, methylcyclohexene, 2,4 , 4-trimethylpentene-1, 2,4,4-trimethylpentene-2,3,3-dimethylhexene-1, 2,4-dimethylhexene-1, 2,5-dimethlyhexene-1,3,5-dimethylhexene-1,4 , 4-dimethylhexane-1, ethylcyclohexyn, 1-octene, ⁇ -olefins having 10 or more carbon atoms such as 1-decene, 1-dodecene, 1-hexadecene, 1-octadecene and C
- thermoplastic polymers to prevent the discoloration of plastic articles during the cleaning process in
- thermoplastic polymers are suitable for substituting bleaches commonly used in automatic dishwashing processes.
- thermoplastic polymers are suitable for substituting bleaches commonly used in automatic dishwashing processes.
- Detergent formulations that do not contain bleach are therefore also a preferred subject of the present application such as the use of thermoplastic polymers in automatic dishwashing processes which are carried out without the addition of bleaching agents.
- the plastic articles described above may be the dishes, cutlery to be cleaned in the automatic dishwashing process as well as built-in components made of plastic in the dishwasher.
- the group of plastics whose discoloration can be reduced to a particular extent by means of the use according to the invention includes in particular polycarbonate, polypropylene, melamine (2,4,6-triamino-s-triazine) or silicone.
- Another preferred subject matter of the present application is therefore the use of a thermoplastic polymer other than polyamide to prevent discoloration of plastic articles of polycarbonate, polypropylene, melamine (2,4,6-triamino-s-triazine) or silicone during the dishwashing process ,
- thermoplastic polymers When reduced by the inventive use of thermoplastic polymers
- Discoloration is preferably discoloration by colored dyes
- Food residues preferably from vegetable food residues.
- the transmission of the following dyes can be inhibited or at least reduced:
- Anthocyanin dyes e.g. Cyanidin, e.g. from cherries or blueberries,
- Betanidin e.g. from the red bed
- Carotenoids such as e.g. Lycopene or beta-carotene, e.g. from tomatoes, ketchup or carrots, curcuma dyes, e.g. Curcumin, e.g. from curry and mustard,
- Tanning agents e.g. from tea, fruit, red wine
- Humic acid e.g. from coffee, tea, cocoa
- Chlorophyll e.g. from green herbs.
- thermoplastic polymer with the exception of polyamide for preventing the discoloration of plastic articles by vegetable dyes, in particular carotenes, during the cleaning process in dishwashers.
- polyethylene to prevent the discoloration of plastic articles made of polycarbonate, polypropylene, melamine (2,4,6-triamino-s-triazine) or silicone by vegetable dyes, especially carotenes, during the cleaning process in dishwashers.
- the detergents used are the following automatic dishwashing detergents:
- Test series 1 25 g of a commercially available automatic dishwashing detergent
- Test series 2 25 g of the dishwashing detergent from test series 1 in combination with 2.0 g of polyethylene particles
- the color of the polypropylene boards is measured spectrometrically before and after the cleaning cycle.
- the color difference of the boards before and after the cleaning cycle is obtained as dE value.
- the following measurements were obtained:
- thermoplastic polymers discolored plastic objects during the cleaning process in
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)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL11752161T PL2609182T3 (pl) | 2010-08-26 | 2011-08-22 | Zastosowanie termoplastycznego polimeru do zapobiegania zmianie zabarwienia tworzywa sztucznego podczas procesu czyszczenia w maszynowych zmywarkach do naczyń |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010039815A DE102010039815A1 (de) | 2010-08-26 | 2010-08-26 | Verwendung eines maschinellen Geschirrspülmittels zur Verhinderung der Kunststoffverfärbung |
| PCT/EP2011/064373 WO2012025486A1 (de) | 2010-08-26 | 2011-08-22 | Verwendung eines thermoplastischen polymers zur verhinderung der kunststoffverfärbung während der reinigungsvorgangs in geschirrspülmaschinen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2609182A1 true EP2609182A1 (de) | 2013-07-03 |
| EP2609182B1 EP2609182B1 (de) | 2014-11-26 |
Family
ID=44658721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11752161.7A Not-in-force EP2609182B1 (de) | 2010-08-26 | 2011-08-22 | Verwendung eines thermoplastischen polymers zur verhinderung der kunststoffverfärbung während der reinigungsvorgangs in geschirrspülmaschinen |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2609182B1 (de) |
| DE (1) | DE102010039815A1 (de) |
| ES (1) | ES2527865T3 (de) |
| PL (1) | PL2609182T3 (de) |
| WO (1) | WO2012025486A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2733194A1 (de) * | 2012-11-16 | 2014-05-21 | Henkel AG&Co. KGAA | Maschinelles Geschirrspülmittel enthaltend Block-Copolymere von Polyalkylenglykolen |
| FR2998571B1 (fr) * | 2012-11-23 | 2015-08-21 | Henkel Ag & Co Kgaa | Copolymeres sequences amphiphiles et detergents pour lave-vaisselle les contenant |
| GB202209521D0 (en) * | 2022-06-29 | 2022-08-10 | Reckitt Benckiser Finish Bv | A dishwashing detergent composition, a water-soluble container, and an autodosing automatic dishwashing system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5827808A (en) * | 1997-01-31 | 1998-10-27 | The Procter & Gamble Company | Dishwashing method |
| AU2001210944A1 (en) | 2000-10-18 | 2002-04-29 | The Procter And Gamble Company | Detergent tablet |
| DE10104470A1 (de) | 2001-02-01 | 2002-08-08 | Basf Ag | Reinigerformulierungen zur Verhinderung der Verfärbung von Kunststoffgegenständen |
| DE10335455A1 (de) * | 2003-08-02 | 2005-03-03 | Henkel Kgaa | Geschirrspülmittel mit verbesserter Duftwahrnehmung |
| DE102008018503A1 (de) * | 2008-04-10 | 2009-10-15 | Henkel Ag & Co. Kgaa | Farbschützendes Wasch- oder Reinigungsmittel |
| DE102009004524A1 (de) * | 2009-01-09 | 2010-07-15 | Henkel Ag & Co. Kgaa | Farbschützendes maschinelles Geschirrspülmittel |
-
2010
- 2010-08-26 DE DE102010039815A patent/DE102010039815A1/de not_active Withdrawn
-
2011
- 2011-08-22 ES ES11752161.7T patent/ES2527865T3/es active Active
- 2011-08-22 EP EP11752161.7A patent/EP2609182B1/de not_active Not-in-force
- 2011-08-22 PL PL11752161T patent/PL2609182T3/pl unknown
- 2011-08-22 WO PCT/EP2011/064373 patent/WO2012025486A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2012025486A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102010039815A1 (de) | 2012-03-01 |
| EP2609182B1 (de) | 2014-11-26 |
| WO2012025486A1 (de) | 2012-03-01 |
| PL2609182T3 (pl) | 2015-05-29 |
| ES2527865T3 (es) | 2015-01-30 |
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