EP0549632A1 - Flüssige, nichtionische tensidkombination mit verbesserter kältestabilität. - Google Patents
Flüssige, nichtionische tensidkombination mit verbesserter kältestabilität.Info
- Publication number
- EP0549632A1 EP0549632A1 EP91915934A EP91915934A EP0549632A1 EP 0549632 A1 EP0549632 A1 EP 0549632A1 EP 91915934 A EP91915934 A EP 91915934A EP 91915934 A EP91915934 A EP 91915934A EP 0549632 A1 EP0549632 A1 EP 0549632A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- surfactant combination
- alcohols
- linear
- alcohol
- 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
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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/825—Mixtures of compounds all of which are non-ionic
- C11D1/8255—Mixtures of compounds all of which are non-ionic containing a combination of compounds differently alcoxylised or with differently alkylated chains
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/722—Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups
Definitions
- the present invention relates to a liquid, nonionic surfactant combination which is still pourable at low temperatures and is stable in storage in a wide temperature range from minus 10 to plus 40 ° C.
- Such surfactant combinations are used in particular as liquid concentrates together with so-called washing alkalis and are particularly suitable for washing oil-soiled textiles and work clothes in laundry companies.
- automatically meterable liquid concentrates are particularly appreciated which, in addition to the properties mentioned, show a viscosity behavior which is only slightly influenced by temperature fluctuations.
- Known pourable concentrates used for such purposes usually contain solvents, in particular low molecular weight alcohols, in order to guarantee the required low-temperature stability.
- solvents in particular low molecular weight alcohols
- low molecular weight polyglycols or propylene glycol are added to them in order to improve not only the low-temperature stability but also the viscosity behavior in the desired manner.
- both additives do not contribute to the washing effect.
- the object was therefore to develop a corresponding liquid concentrate which, despite the absence of solvent additives, is stable in a further temperature range and can be metered easily at different temperatures without significant changes in viscosity.
- the washing and cleaning properties in particular in relation to oil and fat-containing soiling, should not be reduced in comparison to known top products, but should be fully preserved or increased. This object is achieved by the invention described below.
- the invention relates to a liquid, nonionic surfactant combination with improved low-temperature stability, comprising
- alcohol alkoxylates (a) and (b) have a restricted homolog distribution (narrow range ethoxylates, nre).
- alcohol alkoxylates (b) are preferred in which the propylene oxide distribution also corresponds to a restricted homolog distribution.
- the nonionic component (a) preferably consists of an alcohol ethoxylate which is derived from primary, saturated and linear alcohols with 12 to 14 carbon atoms, such as are present, for example, in alcohol mixtures which have been synthesized by the Ziegler or can be obtained from native fatty acids by reduction.
- the preferred alcohol mixtures of native origin can still contain small amounts of CIQ or contain, but the proportion of C ⁇ 6 alcohol should be less than 10 wt .-%, in particular less than 5 wt .-% and the proportion of CiQ alcohol less than 15 wt .-%, in particular less than 10 wt .-% .
- the stated degree of ethoxylation (E0) of the nonionic component (a) is preferably 2 to 5.
- the content of the agent in component (a) is preferably 20 to 45% by weight and in particular 25 to 40% by weight.
- the nonionic component (b) is derived from primary, saturated alcohols having 12 to 15 carbon atoms, in which the alcohol radical can be linear or methyl-branched in the 2-position or can contain linear and methyl-branched radicals in the mixture, as is customary in oxo alcohol remains are present.
- the alcohol radical can be linear or methyl-branched in the 2-position or can contain linear and methyl-branched radicals in the mixture, as is customary in oxo alcohol remains are present.
- linear residues of alcohols of natural origin with 12 to 14 carbon atoms are preferred, which may optionally contain appropriate proportions of CIQ and Cjo alcohol residues.
- Component (b) contains both ethylene oxide residues (EO) and propylene oxide residues (PO).
- R- (E0) x - (P0) y R stands for the alcohol residue
- x for the number of (EO) groups
- y for the number of (PO) groups.
- the number of EO groups is preferably
- the proportion of component (b) in the concentrate is preferably 20 to 45% by weight and in particular 25 to 40% by weight.
- Component (c) is derived from oxo alcohols, which are known to be a mixture of linear and 2-methyl-branched alkanols, the proportion of linear alcohols generally predominating.
- the alcohol residues have 12 to 15, preferably 13 to 14, carbon atoms.
- Technical mixtures can additionally contain small proportions of 11 or 15 carbon atoms, but their respective proportions should preferably be less than 10% by weight, based on the technical mixture.
- the degree of ethoxylation of component (c) is preferably 2 to 5, in particular 2.5 to 4.
- the proportion of component (c) in the concentrate is preferably 10 to 45% by weight and in particular 15 to 40% by weight.
- the concentrates can be anhydrous or up to 20% by weight, preferably
- the agents can contain further additives, provided that it is ensured that they are soluble and do not change the advantageous properties of the concentrates.
- additives include in particular dyes and fragrances with which the intrinsic color or odor of the mixtures is covered.
- Solvents can in principle be added, but for the reasons given they are neither necessary nor expedient.
- the concentrates behave like Newtonian liquids, i.e. their viscosity is independent of the shear forces. They are therefore easy to convey and meter, and their viscosity changes comparatively little depending on the temperature. They are stable in storage even after several months of storage in a climatic cabinet at repeatedly changing temperatures between minus 10 ° C and plus 40 ° C, i.e. they do not tend to segregate.
- the concentrates have a liquid consistency of at least 0 ° C. They can be in liquid or solid form between minus 10 ° C and 0 ° C. The concentrates in solid form at these temperatures also give clear and homogeneous liquids when thawed. These properties make them particularly suitable for fully automatic dosing in commercial laundry operations.
- the concentrates can be used without additional additives for the production of wash liquors. However, they are preferably used in combination with customary builder substances, so-called washing alkalis, co-builders and sequestering agents and other customary detergent additives.
- Suitable co-builders are polymeric polycarboxylates, in particular homopolymers of Acrylic acid and copolymers of acrylic acid with maleic acid.
- Suitable complexing agents or sequestering agents are aminopolycarboxylates, such as sodium nitrilotriacetate, ethylenediaminetetraacetate and its higher homologues, phosphonates, such as l-hydroxyethane-l, l-diphosphonate, aminotri- (methylenephosphonate), ethylenediaminetetra- (methylenephosphonate) and their higher Homologues such as diethylenetriaminepenta- (methylenephosphonate).
- aminopolycarboxylates such as sodium nitrilotriacetate, ethylenediaminetetraacetate and its higher homologues
- phosphonates such as l-hydroxyethane-l, l-diphosphonate, aminotri- (methylenephosphonate), ethylenediaminetetra- (methylenephosphonate) and their higher Homologues such as diethylenetriaminepenta- (methylenephosphonate).
- graying inhibitors e.g. Cellulose ethers such as carboxymethyl cellulose, methyl cellulose, hydroxyalkyl celluloses with C2-C4-hydroxyalkyl radicals and mixed ethers such as alkylhydroxyalkyl cellulose.
- the group of additives also includes optical brighteners, enzymes, bleaches from the per-compound class, which are usually used together with activators, and active chlorine compounds, furthermore foam inhibitors and colorants and fragrances.
- the concentrates according to the invention may furthermore contain customary anionic and nonionic surfactants.
- customary anionic and nonionic surfactants include linear alkylbenzenesulfonates, such as Cg-Ci3-alkylbenzenesulfonate, alkanesulfonates, ⁇ -sulfo fatty acids and fatty alcohol sulfates.
- these agents can also contain customary nonionic surfactants, in particular ethoxylates of C.sub.1 -C.sub.4-Fe.sub.1 ⁇ alcohols and C.sub.12 -C.sub.6-0xoalcohols.
- the detergent constituents and additives mentioned are stored separately from the surfactant combination according to the invention and - usually as prefabricated mixtures - are added to the wash liquor as required.
- softened water is usually used.
- the nonionic surfactant combination according to the invention is particularly suitable in combination with the abovementioned detergent components for Wash heavily soiled work clothing and is characterized by its high washing power compared to soils containing mineral oil.
- the linear C12-C14-alcohol alkoxylates used for the preparation of the surfactant combination had the following C chain distribution
- the concentrate was composed as follows:
- the clear concentrate was exposed for 5 months in a climatic cabinet to a temperature of - 10 ° C and + 40 ° C that changed every 12 hours, with no segregation occurring. A slight cloudiness beginning at -5 ° C disappeared again at 0 ° C. Another sample stored exclusively at -5 ° C for several months behaved identically.
- the viscosity in the measuring range (5 s -1 to 100 s -1) was independent of the shear rate (no thixotropy).
- the washing tests were carried out in the following way:
- Frista washing machine capacity 7.5 kg of textile, quantity of 5 kg of normally soiled textiles (filling laundry) plus artificially soiled test cloths water hardness 0 ° dH, ratio of laundry: washing liquor 1: 7.5,
- composition of the washing powder added was (in% by weight):
- a surfactant combination had the following composition (in% by weight): Ci2-Ci4-alcohol + 3 E0 (nre) 40
- the mean was stable in an alternating climate between -10 ° C and 40 ° C. A turbidity which started at 0 ° C disappeared at + 3 ° C.
- the agent had the following viscosities at the temperatures indicated, regardless of the shear rate:
- a surfactant combination had the following composition (in% by weight):
- the mean was stable in an alternating climate between -10 ° C and + 40 ° C, i.e. Even after several changes in temperature, there was a clear, homogeneous liquid that did not tend to separate.
- the agent had the following viscosities at the temperatures indicated, regardless of the shear rate:
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)
- Cosmetics (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4029777A DE4029777A1 (de) | 1990-09-20 | 1990-09-20 | Fluessige, nichtionische tensidkombination mit verbesserter kaeltestabilitaet |
DE4029777 | 1990-09-20 | ||
PCT/EP1991/001722 WO1992005235A1 (de) | 1990-09-20 | 1991-09-10 | Flüssige, nichtionische tensidkombination mit verbesserter kältestabilität |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0549632A1 true EP0549632A1 (de) | 1993-07-07 |
EP0549632B1 EP0549632B1 (de) | 1995-02-15 |
Family
ID=6414610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91915934A Expired - Lifetime EP0549632B1 (de) | 1990-09-20 | 1991-09-10 | Flüssige, nichtionische tensidkombination mit verbesserter kältestabilität |
Country Status (9)
Country | Link |
---|---|
US (1) | US5364552A (de) |
EP (1) | EP0549632B1 (de) |
JP (1) | JPH06500815A (de) |
AT (1) | ATE118537T1 (de) |
DE (2) | DE4029777A1 (de) |
DK (1) | DK0549632T3 (de) |
ES (1) | ES2068604T3 (de) |
GR (1) | GR3015078T3 (de) |
WO (1) | WO1992005235A1 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59303668D1 (de) * | 1992-03-12 | 1996-10-10 | Henkel Kgaa | Entfettungsmittel |
DE4332849A1 (de) * | 1993-09-27 | 1995-03-30 | Henkel Kgaa | Pastenförmiges Waschmittel |
DE19523117A1 (de) * | 1995-06-26 | 1997-01-02 | Henkel Ecolab Gmbh & Co Ohg | Wäßriges saures Reinigungsmittel |
DE19548843A1 (de) * | 1995-12-27 | 1997-07-03 | Henkel Ecolab Gmbh & Co Ohg | Verfahren zum Waschen von Wäsche |
DE19636035A1 (de) | 1996-09-05 | 1998-03-12 | Henkel Ecolab Gmbh & Co Ohg | Pastenförmiges Wasch- und Reinigungsmittel |
US6150324A (en) * | 1997-01-13 | 2000-11-21 | Ecolab, Inc. | Alkaline detergent containing mixed organic and inorganic sequestrants resulting in improved soil removal |
DE19703364A1 (de) * | 1997-01-30 | 1998-08-06 | Henkel Ecolab Gmbh & Co Ohg | Pastenförmiges Wasch- und Reinigungsmittel |
DE19726287A1 (de) * | 1997-06-20 | 1998-12-24 | Henkel Ecolab Gmbh & Co Ohg | Verfahren zum Waschen von Wäsche, insbesondere von Berufsbekleidung |
EP0894849A1 (de) * | 1997-07-29 | 1999-02-03 | Basf Corporation | Lösungsmittelfreie Reinigungsmittel-Zusammensetzungen auf Wasserbasis, enthaltend zwei nichtionische Tenside |
US5880082A (en) * | 1997-07-29 | 1999-03-09 | Welch; Michael C. | Aqueous based solvent free cleaning compositions containing alcohol alkoxylates, alkoxylated fatty alcohols and fatty alcohols having oxyethylate moieties |
DE19738108A1 (de) * | 1997-09-01 | 1999-03-04 | Henkel Kgaa | Kältestabile Fettalkoholalkoxylate |
DE19750456A1 (de) * | 1997-11-14 | 1999-05-27 | Henkel Ecolab Gmbh & Co Ohg | Mittel zum Reinigen von harten Oberflächen |
DE19751859A1 (de) * | 1997-11-22 | 1999-07-29 | Henkel Ecolab Gmbh & Co Ohg | Mittel zum Reinigen von harten Oberflächen |
DE10020145A1 (de) | 2000-04-20 | 2001-10-31 | Henkel Ecolab Gmbh & Co Ogh | Mikrobizid wirksame Tenside |
DE10134441A1 (de) * | 2001-07-20 | 2003-02-06 | Basf Ag | Lederentfettungsmittel |
WO2007064673A2 (en) | 2005-11-30 | 2007-06-07 | Huntsman International Llc | Liquid nonionic surfactants for emulsion polymerization and other applications |
EP1988986B1 (de) * | 2006-02-22 | 2009-12-02 | Basf Se | Tensidgemisch enthaltend kurzkettige sowie langkettige komponenten |
JP5346299B2 (ja) * | 2007-01-11 | 2013-11-20 | ダウ グローバル テクノロジーズ エルエルシー | アルコキシレート混合物界面活性剤 |
EP2036973A1 (de) * | 2007-09-07 | 2009-03-18 | Cognis IP Management GmbH | Tensidsysteme |
EP2726186B1 (de) * | 2011-09-27 | 2017-05-24 | Dow Global Technologies LLC | Verzweigte alkoxylattensidzusammensetzung |
DE102012200673A1 (de) * | 2012-01-18 | 2013-07-18 | Henkel Ag & Co. Kgaa | Wasch-, Reinigungs- oder Vorbehandlungsmittel mit erhöhter Reinigungskraft |
US8901063B2 (en) * | 2012-11-30 | 2014-12-02 | Ecolab Usa Inc. | APE-free laundry emulsifier |
GB201222820D0 (en) * | 2012-12-18 | 2013-01-30 | Croda Int Plc | Woolscouring method and composition |
WO2021247177A1 (en) | 2020-06-05 | 2021-12-09 | SCION Holdings LLC | Alcohols production |
US20220194886A1 (en) | 2020-12-17 | 2022-06-23 | SCION Holdings LLC | Branched Products |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2703998C3 (de) * | 1977-02-01 | 1981-10-01 | Henkel KGaA, 4000 Düsseldorf | Flüssiges Waschmittelkonzentrat mit geringem Schaumvermögen |
DE2817834C2 (de) * | 1978-04-24 | 1983-05-19 | Henkel KGaA, 4000 Düsseldorf | Flüssiges Waschmittel |
US4332692A (en) * | 1979-02-28 | 1982-06-01 | The Procter & Gamble Company | Laundering with a nonionic detergent system at a temperature between the cloud point and the phase coalescence temperatures |
US4743394A (en) * | 1984-03-23 | 1988-05-10 | Kaufmann Edward J | Concentrated non-phosphate detergent paste compositions |
GB8527772D0 (en) * | 1985-11-11 | 1985-12-18 | Unilever Plc | Non-aqueous built liquid detergent composition |
DE3607193A1 (de) * | 1986-03-05 | 1987-10-01 | Henkel Kgaa | Fluessige tensidmischungen |
NZ221525A (en) * | 1986-09-08 | 1989-08-29 | Colgate Palmolive Co | High foam nonionic liquid surfactant detergent comprising ethoxylated fatty alcohol |
DE3643895A1 (de) * | 1986-12-22 | 1988-06-30 | Henkel Kgaa | Fluessige nichtionische tensidmischungen |
DE3719906A1 (de) * | 1987-06-15 | 1988-12-29 | Henkel Kgaa | Maschinelles waschverfahren |
US5209874A (en) * | 1989-04-26 | 1993-05-11 | Shell Oil Company | Liquid surface active compositions |
-
1990
- 1990-09-20 DE DE4029777A patent/DE4029777A1/de not_active Withdrawn
-
1991
- 1991-09-10 JP JP3514719A patent/JPH06500815A/ja active Pending
- 1991-09-10 DK DK91915934.3T patent/DK0549632T3/da active
- 1991-09-10 AT AT91915934T patent/ATE118537T1/de not_active IP Right Cessation
- 1991-09-10 DE DE59104638T patent/DE59104638D1/de not_active Expired - Fee Related
- 1991-09-10 US US08/030,011 patent/US5364552A/en not_active Expired - Fee Related
- 1991-09-10 EP EP91915934A patent/EP0549632B1/de not_active Expired - Lifetime
- 1991-09-10 ES ES91915934T patent/ES2068604T3/es not_active Expired - Lifetime
- 1991-09-10 WO PCT/EP1991/001722 patent/WO1992005235A1/de active IP Right Grant
-
1995
- 1995-02-16 GR GR950400204T patent/GR3015078T3/el unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9205235A1 * |
Also Published As
Publication number | Publication date |
---|---|
JPH06500815A (ja) | 1994-01-27 |
DE4029777A1 (de) | 1992-03-26 |
GR3015078T3 (en) | 1995-05-31 |
ES2068604T3 (es) | 1995-04-16 |
ATE118537T1 (de) | 1995-03-15 |
US5364552A (en) | 1994-11-15 |
DK0549632T3 (da) | 1995-07-17 |
EP0549632B1 (de) | 1995-02-15 |
DE59104638D1 (de) | 1995-03-23 |
WO1992005235A1 (de) | 1992-04-02 |
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