WO2000050560A1 - Low viscosity high active blends of alkyl polyglycosides and alcohol ethoxylates - Google Patents

Low viscosity high active blends of alkyl polyglycosides and alcohol ethoxylates Download PDF

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Publication number
WO2000050560A1
WO2000050560A1 PCT/US2000/004365 US0004365W WO0050560A1 WO 2000050560 A1 WO2000050560 A1 WO 2000050560A1 US 0004365 W US0004365 W US 0004365W WO 0050560 A1 WO0050560 A1 WO 0050560A1
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composition
weight
carbon atoms
alkyl
viscosity
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PCT/US2000/004365
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French (fr)
Inventor
Michael Hansberry
Timothy C. Morris
Charles B. Allen
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Cognis Corporation
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Priority to AU32386/00A priority Critical patent/AU3238600A/en
Publication of WO2000050560A1 publication Critical patent/WO2000050560A1/en

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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
    • 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
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/0094—Process for making liquid detergent compositions, e.g. slurries, pastes or gels
    • 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
    • C11D1/662—Carbohydrates or derivatives
    • 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

Definitions

  • Sugar surfactants for example, alkyl polyglycosides or fatty acid-N-alkyl glucamides, are distinguished by excellent detergent properties and high ecotoxicological compatibility. For this reason, these classes of non- ionic surfactants are acquiring increasing significance. They are generally used in liquid and powder formulations, for example, laundry and dishwashing detergents and hair shampoos. However, because of their increased desirability as surface active agents, their use as surfactants in many other types of products is growing rapidly.
  • alkyl polyglycosides are typically sold at an actives level of from about 40% up to about 50% for higher alkyl chain length alkyl polyglycosides, and from about 60 to about 70% for the lower alkyl chain length alkyl polyglycosides. While increasing the percent actives of alkyl polyglycosides in surfactant blends is highly desirable from an application standpoint, since higher actives levels result in less product being actually used in order to effectuate a particular property, any increase in actives levels results in a significant increase in the viscosity of the product. As a result of these high viscosity levels, various heating and liquefying techniques need to be employed in order to make these alkyl polyglycosides more pumpable and convenient to handle, prior to their incorporation into various end products .
  • the present invention is directed to a surfactant composition containing:
  • the present invention is also directed to a process for reducing the viscosity of a surfactant composition based on a high actives alkyl polyglycoside involving adding a viscosity-reducing effective amount of a linear alkyl alkoxylate, to the surfactant composition.
  • alkyl polyglycosides which can be used in the invention correspond to formula I : R x O(R 2 0) b (Z) a I wherein R x is a monovalent organic radical having from about 6 to about 30 carbon atoms; R 2 is a divalent alkylene radical having from 2 to 4 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; b is a number having a value from 0 to about 12; a is a number having a value from 1 to about 6.
  • Preferred alkyl polyglycosides which can be used in the compositions according to the invention are those of formula I wherein Z is a glucose residue and b is zero.
  • Suitable alkyl polyglycosides are commercially available, for example, under the tradenames APG®, GLUCOPON®, PLANTAREN® or AGRIMUL® surfactants from Henkel Corporation, Ambler, PA, 19002.
  • Examples of such surfactants include but are not limited to: 1.
  • GLUCOPON® 220 Surfactant - an alkyl polyglycoside in which the alkyl group contains 8 to 10 carbon atoms and having an average degree of polymerization of 1.5.
  • GLUCOPON® 225 Surfactant - an alkyl polyglycoside in which the alkyl group contains 8 to 10 carbon atoms and having an average degree of polymerization of 1.7.
  • GLUCOPON® 600 Surfactant - an alkyl polyglycoside in which the alkyl group contains 12 to 16 carbon atoms and having an average degree of polymerization of 1.4.
  • GLUCOPON® 625 Surfactant - an alkyl polyglycoside in which the alkyl group contains 12 to 16 carbon atoms and having an average degree of polymerization of 1.4.
  • APG® 325 Surfactant - an alkyl polyglycoside in which the alkyl group contains 9 to 11 carbon atoms and having an average degree of polymerization of 1.6.
  • PLANTAREN® 2000 Surfactant - an alkyl polyglycoside in which the alkyl group contains 8 to 16 carbon atoms and having an average degree of polymerization of 1.4.
  • PLANTAREN® 1300 Surfactant - an alkyl polyglycoside in which the alkyl group contains 12 to 16 carbon atoms and having an average degree of polymerization of 1.6.
  • AGRIMUL® PG 2067 Surfactant - an alkyl polyglycoside in which the alkyl group contains 8 to 10 carbon atoms and having an average degree of polymerization of 1.7.
  • alkyl polyglycoside surfactant compositions which are comprised of mixtures of compounds of formula I as described in U.S. patents 5,266,690 and 5,449,763, the entire contents of both of which are incorporated herein by reference.
  • a particularly preferred alkyl polyglycoside for use in the present invention is one wherein R ⁇ is a monovalent organic radical having from about 12 to about 16 carbon atoms, b is zero, and a is a number having a value of from about 1 to about 2.
  • the linear alkyl alkoxylates which may be employed in the present invention can be either straight-chain or branched alcohols containing from about 8 to 16 carbon atoms, and having from 1 to about 12 moles of ethylene oxide and up to 6 moles of propylene oxide.
  • examples thereof include, but are not limited to, C 12 _ 16 alcohols having from 3 to 12 moles of ethylene oxide, C 12 ⁇ 15 alcohols having from 3 moles of ethylene oxide and 6 moles of propylene oxide commercially available from Henkel Corp. under the tradename DEHYPON®, and a nonyl phenol having from 4 to 12 moles of ethylene oxide.
  • Their derivation is well known in the art.
  • the linear alcohol ethoxylate is a straight-chain alcohol having from about 12 to about 16 carbon atoms, and ethoxylated with from about 6 to about
  • a surfactant composition containing: (a) from about 25 to about 50% by weight, preferably from about 35 to about 45% by weight, and most preferably from about 40 to about 45% by weight of an alkyl polyglycoside; (b) from about 1 to about 25% by weight, preferably from about 1 to about 20% by weight, and most preferably from about 10 to about 20% by weight of a viscosity lowering agent selected from the group consisting of an alkyl ethoxylate, an alkyl phenol ethoxylate, and mixtures thereof, and (c) remainder, to 100%, water.
  • the resultant surfactant composition has a viscosity ranging from about 1,000 to about 5,000 cps, preferably from about 2,000 to about 4,000 cps, and most preferably from about 2,000 to about 3,000 cps, as measured using a Brookfield LV viscosimeter , #2 spindle, at 30 rpm and a temperature of about 25°C.
  • a process for making a low-viscosity surfactant composition involving: (a) providing from about 25 to about 50% by weight, preferably from about 35 to about 45% by weight, and most preferably from about 40 to about 45% by weight, of an alkyl polyglycoside; (b) providing from about 1 to about 25% by weight, preferably from about 1 to about 20% by weight, and most preferably from about 10 to about 20% by weight, of a linear alkyl alkoxylate; (c) providing remainder, water; and (d) combining (a) -(c), with agitation, to form a low-viscosity surfactant composition.
  • the high actives, low viscosity surfactant blend thus formed may then be employed for a variety of applications.
  • mixtures of alkyl ethoxylates and/or alkyl phenol ethoxylates and alkyl polyglycosides, in a ratio by weight of from about 1:1 to about 10:1 improve the detergency properties of typical laundry detergent compositions, as compared to the use of alkyl ethoxylates and/or alkyl phenol ethoxylates by themselves or in combination with an anionic surfactant such as a linear alkyl sulfonate.
  • an anionic surfactant such as a linear alkyl sulfonate.
  • a surfactant composition in accordance with the present invention results in the maintenance of a high level of dye transfer inhibition during the laundering process, i.e., less fugitive dye transfer has been observed.
  • the surfactant composition of the present invention is employed in a laundry detergent, as opposed to the use of either an alkyl or alkyl phenol ethoxylate, and/or a linear alkyl sulfonate, by itself, those advantages being: (1) an improvement in overall soil removal, particularly with respect to oily soils such as dust sebum, olive oil and mineral oil; (2) the synergy in detergency performance enables the formulator to decrease the amount of surfactant actives actually used in the final product, resulting in a formulation cost savings to the consumer; and (3) the increase in dye transfer inhibition results in cleaner, brighter articles of laundered textiles.
  • GLUCOPON® 625 UP is an alkyl polyglycoside having an alkyl group containing from 12 to 16 carbon atoms, and an average degree of polymerization of
  • NEODOL® 25-7 is an oxo-alcohol having from 12 to 15 carbon atoms and 7 moles of EO.
  • Viscosity was measured using a Brookfield LV, spindle #2, 100 is jar, at an rpm of 30.

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

Abstract

A surfactant composition containing: (a) from about 25 to about 50 % by weight of an alkyl polyglycoside corresponding to formula (I): R1O(R2O)b(Z)a (I) wherein R1 is a monovalent organic radical having from about 6 to about 30 carbon atoms; R2 is a divalent alkylene radical having from 2 to 4 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; b is a number having a value from 0 to about 12; a is a number having a value from 1 to about 6; (b) from about 1 to about 25 % by weight of a linear alkyl alkoxylate acting as a viscosity lowering agent; and (b) remainder, water, all weights being based on the weight of the composition.

Description

TITLE OF THE INVENTION:
LOW VISCOSITY HIGH ACTIVE BLENDS OF ALKYL POLYGLYCOSIDES AND ALCOHOL ETHOXYLATES
CROSS-REFERENCE TO RELATED APPLICATIONS: Not Applicable.
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH
OR DEVELOPMENT:
Not Applicable.
BACKGROUND OF THE INVENTION: Sugar surfactants, for example, alkyl polyglycosides or fatty acid-N-alkyl glucamides, are distinguished by excellent detergent properties and high ecotoxicological compatibility. For this reason, these classes of non- ionic surfactants are acquiring increasing significance. They are generally used in liquid and powder formulations, for example, laundry and dishwashing detergents and hair shampoos. However, because of their increased desirability as surface active agents, their use as surfactants in many other types of products is growing rapidly.
While conventional sugar surfactants perform satisfactorily in many applications, there is a constant need to both enhance and expand their performance properties. Methods of improving the performance of conventional sugar surfactants by increasing their foaming and foam stability, tolerance to water hardness and detergency, continue to be sought.
Commercially available alkyl polyglycosides are typically sold at an actives level of from about 40% up to about 50% for higher alkyl chain length alkyl polyglycosides, and from about 60 to about 70% for the lower alkyl chain length alkyl polyglycosides. While increasing the percent actives of alkyl polyglycosides in surfactant blends is highly desirable from an application standpoint, since higher actives levels result in less product being actually used in order to effectuate a particular property, any increase in actives levels results in a significant increase in the viscosity of the product. As a result of these high viscosity levels, various heating and liquefying techniques need to be employed in order to make these alkyl polyglycosides more pumpable and convenient to handle, prior to their incorporation into various end products .
BRIEF SUMMARY OF THE INVENTION:
The present invention is directed to a surfactant composition containing:
(a) from about 25 to about 50% by weight of an alkyl polyglycoside corresponding to formula I : R10(R20)b(Z)a I wherein Rx is a monovalent organic radical having from about 6 to about 30 carbon atoms; R2 is a divalent alkylene radical having from 2 to 4 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; b is a number having a value from 0 to about 12; a is a number having a value from 1 to about 6 ;
(b) from about 1 to about 25% by weight of a viscosity lowering agent consisting of a linear alkyl alkoxylate; and
(c) remainder, water, all weights being based on the weight of the composition.
The present invention is also directed to a process for reducing the viscosity of a surfactant composition based on a high actives alkyl polyglycoside involving adding a viscosity-reducing effective amount of a linear alkyl alkoxylate, to the surfactant composition.
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWING: NOT APPLICABLE.
DETAILED DESCRIPTION OF THE INVENTION:
Other than in the operating examples , or where otherwise indicated, all numbers expressing quantity of ingredients or reaction conditions are to be understood as being modified in all instances by the term "about". The alkyl polyglycosides which can be used in the invention correspond to formula I : RxO(R20)b(Z)a I wherein Rx is a monovalent organic radical having from about 6 to about 30 carbon atoms; R2 is a divalent alkylene radical having from 2 to 4 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; b is a number having a value from 0 to about 12; a is a number having a value from 1 to about 6.
Preferred alkyl polyglycosides which can be used in the compositions according to the invention are those of formula I wherein Z is a glucose residue and b is zero. Suitable alkyl polyglycosides are commercially available, for example, under the tradenames APG®, GLUCOPON®, PLANTAREN® or AGRIMUL® surfactants from Henkel Corporation, Ambler, PA, 19002. Examples of such surfactants include but are not limited to: 1. GLUCOPON® 220 Surfactant - an alkyl polyglycoside in which the alkyl group contains 8 to 10 carbon atoms and having an average degree of polymerization of 1.5. 2. GLUCOPON® 225 Surfactant - an alkyl polyglycoside in which the alkyl group contains 8 to 10 carbon atoms and having an average degree of polymerization of 1.7.
3. GLUCOPON® 600 Surfactant - an alkyl polyglycoside in which the alkyl group contains 12 to 16 carbon atoms and having an average degree of polymerization of 1.4.
4. GLUCOPON® 625 Surfactant - an alkyl polyglycoside in which the alkyl group contains 12 to 16 carbon atoms and having an average degree of polymerization of 1.4.
5. APG® 325 Surfactant - an alkyl polyglycoside in which the alkyl group contains 9 to 11 carbon atoms and having an average degree of polymerization of 1.6.
6. PLANTAREN® 2000 Surfactant - an alkyl polyglycoside in which the alkyl group contains 8 to 16 carbon atoms and having an average degree of polymerization of 1.4. 7. PLANTAREN® 1300 Surfactant - an alkyl polyglycoside in which the alkyl group contains 12 to 16 carbon atoms and having an average degree of polymerization of 1.6. 8. AGRIMUL® PG 2067 Surfactant - an alkyl polyglycoside in which the alkyl group contains 8 to 10 carbon atoms and having an average degree of polymerization of 1.7.
Other examples include alkyl polyglycoside surfactant compositions which are comprised of mixtures of compounds of formula I as described in U.S. patents 5,266,690 and 5,449,763, the entire contents of both of which are incorporated herein by reference.
A particularly preferred alkyl polyglycoside for use in the present invention is one wherein Rλ is a monovalent organic radical having from about 12 to about 16 carbon atoms, b is zero, and a is a number having a value of from about 1 to about 2.
The linear alkyl alkoxylates which may be employed in the present invention can be either straight-chain or branched alcohols containing from about 8 to 16 carbon atoms, and having from 1 to about 12 moles of ethylene oxide and up to 6 moles of propylene oxide. Examples thereof include, but are not limited to, C12_16 alcohols having from 3 to 12 moles of ethylene oxide, C12^15 alcohols having from 3 moles of ethylene oxide and 6 moles of propylene oxide commercially available from Henkel Corp. under the tradename DEHYPON®, and a nonyl phenol having from 4 to 12 moles of ethylene oxide. Their derivation is well known in the art. In a particularly preferred embodiment of the present invention, the linear alcohol ethoxylate is a straight-chain alcohol having from about 12 to about 16 carbon atoms, and ethoxylated with from about 6 to about
7 moles of ethylene oxide.
According to one embodiment of the present invention, there is provided a surfactant composition containing: (a) from about 25 to about 50% by weight, preferably from about 35 to about 45% by weight, and most preferably from about 40 to about 45% by weight of an alkyl polyglycoside; (b) from about 1 to about 25% by weight, preferably from about 1 to about 20% by weight, and most preferably from about 10 to about 20% by weight of a viscosity lowering agent selected from the group consisting of an alkyl ethoxylate, an alkyl phenol ethoxylate, and mixtures thereof, and (c) remainder, to 100%, water.
The resultant surfactant composition has a viscosity ranging from about 1,000 to about 5,000 cps, preferably from about 2,000 to about 4,000 cps, and most preferably from about 2,000 to about 3,000 cps, as measured using a Brookfield LV viscosimeter , #2 spindle, at 30 rpm and a temperature of about 25°C. According to another embodiment of the present invention, there is also provided a process for making a low-viscosity surfactant composition involving: (a) providing from about 25 to about 50% by weight, preferably from about 35 to about 45% by weight, and most preferably from about 40 to about 45% by weight, of an alkyl polyglycoside; (b) providing from about 1 to about 25% by weight, preferably from about 1 to about 20% by weight, and most preferably from about 10 to about 20% by weight, of a linear alkyl alkoxylate; (c) providing remainder, water; and (d) combining (a) -(c), with agitation, to form a low-viscosity surfactant composition. The high actives, low viscosity surfactant blend thus formed may then be employed for a variety of applications. For example, it has been found that mixtures of alkyl ethoxylates and/or alkyl phenol ethoxylates and alkyl polyglycosides, in a ratio by weight of from about 1:1 to about 10:1 improve the detergency properties of typical laundry detergent compositions, as compared to the use of alkyl ethoxylates and/or alkyl phenol ethoxylates by themselves or in combination with an anionic surfactant such as a linear alkyl sulfonate. Thus, a synergy in detergency is observed when using surfactant compositions in accordance with the present invention.
Also, the use of a surfactant composition in accordance with the present invention, in a laundry detergent, results in the maintenance of a high level of dye transfer inhibition during the laundering process, i.e., less fugitive dye transfer has been observed.
Thus, the following advantages have been observed when the surfactant composition of the present invention is employed in a laundry detergent, as opposed to the use of either an alkyl or alkyl phenol ethoxylate, and/or a linear alkyl sulfonate, by itself, those advantages being: (1) an improvement in overall soil removal, particularly with respect to oily soils such as dust sebum, olive oil and mineral oil; (2) the synergy in detergency performance enables the formulator to decrease the amount of surfactant actives actually used in the final product, resulting in a formulation cost savings to the consumer; and (3) the increase in dye transfer inhibition results in cleaner, brighter articles of laundered textiles.
The present invention will be better understood from the examples which follow, all of which are meant to be illustrative only, and are not intended to unduly limit the scope of the invention in any way.
EXAMPLES
Figure imgf000011_0001
(1) GLUCOPON® 625 UP is an alkyl polyglycoside having an alkyl group containing from 12 to 16 carbon atoms, and an average degree of polymerization of
1.4.
(2) NEODOL® 25-7 is an oxo-alcohol having from 12 to 15 carbon atoms and 7 moles of EO.
(3) Viscosity was measured using a Brookfield LV, spindle #2, 100 is jar, at an rpm of 30.
s can be seen from the data above, when a linear alkyl alkoxylate is added to a surfactant composition based on an alkyl polyglycoside, the viscosity of the alkyl polyglycoside is dramatically reduced, thereby rendering the surfactant significantly more easier to handle .

Claims

WHAT IS CLAIMED IS:
1. A surfactant composition comprising:
(a) from about 25 to about 50% by weight of an alkyl polyglycoside corresponding to formula I:
R10(R20)b(Z)a (I) wherein Rx is a monovalent organic radical having from about 6 to about 30 carbon atoms; R2 is a divalent alkylene radical having from 2 to 4 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; b is a number having a value from 0 to about 12; a is a number having a value from 1 to about 6 ;
(b) from about 1 to about 25% by weight of a linear alkyl alkoxylate acting as a viscosity-lowering agent; and
(c) remainder, water, all weights being based on the weight of the composition.
2. The composition of claim 1 wherein in formula I, Rλ is a monovalent organic radical having from about 12 to about 16 carbon atoms, b is zero, and a is a number from about 1 to about 2.
3. The composition of claim 1 wherein the alkyl polyglycoside is present in the composition in an amount of from about 40 to about 45% by weight, based on the weight of the composition.
4. The composition of claim 1 wherein the linear alkyl alkoxylate is an alkyl ethoxylate having from about 12 to about 16 carbon atoms, and from about 3 to about 12 moles of ethylene oxide.
5. The composition of claim 1 wherein the linear alkyl alkoxylate is present in the composition in an amount of from about 10 to about 20% by weight, based on the weight of the composition.
6. The composition of claim 1 having a viscosity ranging from about 1,000 to about 5,000 cps.
7. The composition of claim 1 having a viscosity ranging from about 2,000 to about 3,000 cps.
8. A process for making a low viscosity surfactant composition containing a high actives alkyl polyglycoside comprising:
(a) providing from about 25 to about 50% by weight of an alkyl polyglycoside corresponding to formula I: R10(R20)b(Z)a (I) wherein R1 is a monovalent organic radical having from about 6 to about 30 carbon atoms; R2 is a divalent alkylene radical having from 2 to 4 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; b is a number having a value from 0 to about 12; a is a number having a value from 1 to about 6 ;
(b) providing from about 1 to about 25% by weight of a linear alkyl alkoxylate acting as a viscosity-reducing agent ; (c) providing remainder, water, all weights being on the weight of the composition; and
(d) combining (a) -(c), with agitation, to form a low viscosity surfactant composition.
9. The process of claim 8 wherein in formula I, Rλ is a monovalent organic radical having from about 12 to about 16 carbon atoms, b is zero, and a is a number from about 1 to about 2.
10. The process of claim 8 wherein the alkyl polyglycoside is present in the composition in an amount of from about 40 to about 45% by weight, based on the weight of the composition.
11. The process of claim 8 wherein the linear alkyl alkoxylate is an alkyl ethoxylate having from about 12 to about 16 carbon atoms, and from about 3 to about 12 moles of ethylene oxide.
12. The process of claim 8 wherein the linear alkyl alkoxylate is present in the composition in an amount of from about 10 to about 20% by weight, based on the weight of the composition.
13. The process of claim 8 wherein the composition has a viscosity ranging from about 1,000 to about 5,000 cps.
14. The process of claim 8 wherein the composition has a viscosity ranging from about 2,000 to about 3,000 cps.
PCT/US2000/004365 1999-02-22 2000-02-22 Low viscosity high active blends of alkyl polyglycosides and alcohol ethoxylates WO2000050560A1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1188818A1 (en) * 2000-09-19 2002-03-20 Cognis Deutschland GmbH Method for preparing light-coloured alkyl and/or alkenyloligoglycoside mixtures
WO2017162563A3 (en) * 2016-03-22 2017-12-07 Akzo Nobel Chemicals International B.V. Use of emulsifier in collector composition
US10376901B2 (en) 2014-09-18 2019-08-13 Akzo Nobel Chemicals International B.V. Use of branched alcohols and alkoxylates thereof as secondary collectors

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5370816A (en) * 1990-09-13 1994-12-06 Huels Aktiengesellschaft Detergent composition containing a mixture of alkyl polyglycosides
US5573707A (en) * 1994-11-10 1996-11-12 Henkel Corporation Process for reducing foam in an aqueous alkyl polyglycoside composition

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5370816A (en) * 1990-09-13 1994-12-06 Huels Aktiengesellschaft Detergent composition containing a mixture of alkyl polyglycosides
US5573707A (en) * 1994-11-10 1996-11-12 Henkel Corporation Process for reducing foam in an aqueous alkyl polyglycoside composition

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1188818A1 (en) * 2000-09-19 2002-03-20 Cognis Deutschland GmbH Method for preparing light-coloured alkyl and/or alkenyloligoglycoside mixtures
US10376901B2 (en) 2014-09-18 2019-08-13 Akzo Nobel Chemicals International B.V. Use of branched alcohols and alkoxylates thereof as secondary collectors
WO2017162563A3 (en) * 2016-03-22 2017-12-07 Akzo Nobel Chemicals International B.V. Use of emulsifier in collector composition

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