CA2171709C - Thickened aqueous detergent compositions with improved cleaning performance - Google Patents
Thickened aqueous detergent compositions with improved cleaning performanceInfo
- Publication number
- CA2171709C CA2171709C CA002171709A CA2171709A CA2171709C CA 2171709 C CA2171709 C CA 2171709C CA 002171709 A CA002171709 A CA 002171709A CA 2171709 A CA2171709 A CA 2171709A CA 2171709 C CA2171709 C CA 2171709C
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- Prior art keywords
- alkyl
- detergent composition
- composition according
- amine oxide
- viscosity
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Classifications
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- 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
- C11D1/88—Ampholytes; Electroneutral compounds
- C11D1/94—Mixtures with anionic, cationic or non-ionic compounds
-
- 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
- C11D1/83—Mixtures of non-ionic with anionic compounds
-
- 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
- C11D17/003—Colloidal solutions, e.g. gels; Thixotropic solutions or pastes
-
- 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
- C11D3/395—Bleaching agents
- C11D3/3956—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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/04—Carboxylic acids or salts thereof
- C11D1/10—Amino carboxylic acids; Imino carboxylic acids; Fatty acid condensates thereof
-
- 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
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/123—Sulfonic acids or sulfuric acid esters; Salts thereof derived from carboxylic acids, e.g. sulfosuccinates
-
- 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
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
- C11D1/143—Sulfonic acid esters
-
- 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
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
- C11D1/146—Sulfuric acid esters
-
- 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
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/29—Sulfates of polyoxyalkylene ethers
-
- 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
- C11D1/75—Amino oxides
-
- 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
- C11D1/88—Ampholytes; Electroneutral compounds
- C11D1/90—Betaines
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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)
- Dispersion Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
The present invention is an aqueous liquid detergent composition compromising a short chain surfactant for improved cleaning performance. Said composition further comprises a mixture of long chain amine oxide and alkyl sulphate to restore viscosity.
Description
THICKENED AQUEOUS DETERGENT COMPOSITIONS WITH
IMPROVED CLEANING PERFORMANCE
TECHNICAL FIELD
The present invention relates to thickened aqueous detergent compositions.
BACKGROUND OF THE INVENTION
Liquid detergent compositions comprising long chain surfactants such as amine oxides are well known in the art. Such compositions are typically those as in US 4 282 109, EP 274 885, EP 233 666, DE 28 37 880 and EP 30 401.
It is desirable that such compositions have good cleaning properties. However, it has been found that long chain amine oxides do not provide the optimum cleaning performance. It is a first object of the present invention to provide cleaning compositions comprising long chain surfactants with improved cleaning.
In response to this object, it has been found that the incorporation of short chain surfactants is beneficial and meets this object thereby enhancing the cleaning performance.
I~owever, it has been observed that the incorporation of short chain surfactants at amounts needed to enhance performance in such compositions results in the decrease of viscosity of the composition. Yet, it is considered essential that the compositions should exhibit a high degree of viscosity so that the compositions adhere to the vertical surfaces and surfaces inclined to the horizontal.
WO 95/08611 21717 0 9 pCT~S94/10199 Thus, it is a further object of the present invention to provide a liquid composition which comprises long chain surfactants and short chain surfactants, which retains viscosity.
In response to this object, it has been found that viscosity may be retained even upon the addition of short chain surfactants, by the use of a mixture of amine oxide and alkyl sulphate, more specifically a mixture of a C12-C16 chain amine oxide and a C12-C14 alkyl sulphate.
A further advantage of the present invention is that there is no need for an additional thickening agent.
Thickening compositions comprising long chain surfactants are well known in the art.
US 4 282 109 discloses a thickened bleach composition comprising hypochlorite and a thickening amount of a surfactant blend, comprising amine oxide C10-Clg and alkyl sulphate Cg-C12 at a ratio of 3:4 or more.
EP 274 885 discloses thickened bleaching compositions comprising alkali metal hypochlorite and straight chain C14 amine oxide with a mixture of branched and straight chain C15 amine oxides. There is no mention of short chain surfactants.
EP 233 666 discloses a process for the manufacture of a thickened bleaching compositions comprising hypochlorite, a hypochlorite-soluble surfactant and an alkali metal salt of a fatty acid. The detergent actives include amine oxides, preferably lauryldimethylamine.
DE 28 37 880 covers bleaching compositions comprising alkali metal hypochlorite and mixtures of branched and linear amine oxides of varying chain length, (C5-C17) .n 2171709 for increased viscosity. There is no mention of other long or short chain surfactants.
EP 30 401 covers thickened bleaching compositions comprising hypoclorite and a certain number of product characteristics including pH and viscosity. Mixtures of Ce-C18 amine oxides and fatty acids are preferred as thickening agents. No other surfactants are disclosed.
SUMMARY OF THE INVENTION
The present invention is directed to a detergent composition having a viscosity of from 215 cps to 4000 cps comprising; from 1 to 5% of a viscosity decreasing short chain surfactant, said surfactant comprising a hydrophobic portion and a hydrophilic portion, wherein the chain length of said hydrophobic portion is C6 to Clo, said short chain surfactants being selected from the group consisting of alkyl sulfates, alkyl ether sulfates, alkyl sulfonates, alkyl succinates, alkyl carboxylates, alkyl sarcosinates, alkyl sulfosuccinates, amine oxides and betaines, and a viscosity restoring long chain surfactant mixture, said mixture comprising: from 1 to 50 of an amine oxide according to the formula R1RZR3N0, wherein R1 is a linear C12 to C16 alkyl group and RZ and R3 are independently Cl to C3 alkyl groups, and from 1 to 40 of an alkali metal alkyl sulphate according to the formula R40S03M, wherein R4 is a C12 to C14 alkyl group and M is an alkali metal, and wherein the ratio of said C12 to C16 amine oxide to the total amount of said C12 to C14 alkyl sulfate is less than 2:3.
All ratios, percentages and parts given herein are by o weight of the total composition unless otherwise specified.
DETAILED DESCRIPTION OF THE INVENTION
1. SHORT CHAIN SURFACTANT
WO 95/08611 2171 l 0 9 PCT/US94110199 The compositions according to the present invention comprise a short chain surfactant. Said surfactant comprises a hydrophobic portion and a hydrophilic portion, wherein the chain length of the hydrophobic portion is C6 to Clp. It has been found that the cleaning performance of the composition according to the present invention can be boosted by the incorporation of said short chain surfactant.
All surfactants have in common that they comprise a hydrophobic portion and a hydrophilic portion. Hy short chain surfactant, it is meant herein surfactants which comprise a C6-Clp alkyl chain as their hydrophobic portion. Such short chain surfactants are accordingly those conventionally used in this field, but with a shorter alkyl chain, and can be of any type.
Accordingly, suitable short chain surfactants for use herein include C6-Clp alkyl sulfates (C6-ClpSOq), alkyl ether sulfates (C6-Clp(OCH2CH2)eSOq), alkyl sulphonates (C6-ClpSOg), alkyl succinates (C6-CIpOOCCH2CH2COOZ), alkyl carboxylates (C6-CIpCOOM), alkyl ether carboxylates (C6-Clp(OCH2CH2)eCOOM), alkyl sarcosinates (C6-CIpCON(CHg)R), alkyl sulpho succinates (C6-CIpOOCCH(SOgM)CH2COOZ), amine oxides (C6-ClpRR'NO), and betaines (C6-ClpN+(CH3)2CH2C00-). In the formulae in brackets, a is from 0 to 20, Z is M or R, M is H or any counterion such as those known in the art, including Na, K, Li, NH4, amine, R and R' are C1-C5 alkyl groups, possibly functionalized with hydroxyl groups, R and R' are preferably C1-C3, most preferably methyl. All these surfactants are well known in the art. The compositions according to the present invention may comprise any of the above surfactants alone, or any combination thereof, depending on the end use envisioned.
Preferred short chain anionic surfactants for use herein are C6-Clp alkyl sulfates (C6-C1pS04) and alkyl WO 95/08611 2 ~ ~ ~ 7 0 9 . ~ pCT/[Jg94/10199 __ ._ sulphonates (Cg-C1pS03). Most preferred are the C6-C8 alkyl sulfates and sulphonates. Such short chain anionic surfactants can be made by well known sulphation or sulphonation processes followed by neutralization, but said anionic short chain surfactants are more conveniently commercially available, for instance from Rhone Poulenc under the trade mark Rhodapon OLS, or from Witco under the trade mark Witconate.
Preferred short chain surfactants for use herein is octyl sulphate. Suitable short chain surfactants for use herein are preferably hypochlorite compatible. According to the present invention, tie compositions comprise from 1~ to 5~ preferably from 2~ to 4~, of short chain surfactants.
It has been observed that the incorporation of short chain surfactants in compositions comprising typical amine oxides described in the art results in the decrease of said compositions viscosity. It has now been found that the viscosity of the compositions is restored by the use of a mixture of a C12 to Clq chain amine oxide and a C12 to Clq chain alkyl sulphate.
2.LONG CHAIN SURFACTANT MIXTURE
a. Long chain amine oxides Suitable amine oxides for use herein comprise amine oxides according to the formula R1R2R3N0, wherein R1 is a linear C12 to C16 alkyl group, and R2 and R3 are independently C1 to Cg alkyl groups, preferably methyl and mixtures thereof.
Suitable long chain amine oxides for use herein can be Cl,q amine oxide GenaminoxR MY-X, (available from Hoechst) C12 and C14 amine oxide AromoxR DNiNICD-W, J
WO 95/08611 . 2 1 7 17 p g p~~S94/10199 (AKZO), and C14 amine oxide Aromox DM14D-W, (AKZO).
However, preferred for use herein are C16 amine oxides, and mixtures of C16 and Clq pine oxides, which offer better suds profile, i.e. produce less foam. Suitable C16 amine oxides are commercially available under the trade mark Genaminox CE. According to the present invention, said compositions comprise from 1~ to 6$, preferably from 2$ to 5$, more preferably from 3$ to 4$
of said C12 to C14 amine oxide.
v,N.,.
-- WO 95/08611 . 2 I 717 ~ 9 pCT~S94/10199 b. Long chain alkyl sulphates Suitable alkyl sulphates for use herein comprise alkyl sulphates according to the formula R40S03M, wherein R4 is a C12 to C14 alkyl group and mixtures thereof. M is an alkali metal. Preferred alkyl sulphates for use herein can be sodium dodecyl sulphate or sodium lauryl sulphate.
Compositions according to the present invention comprise from 1~ to 4~k, preferably from 2$ to 3~ by weight of the total compositions of said long chain alkyl sulphate.
Suitable long chain surfactants for use herein are preferably hypochlorite compatible.
According to the present invention the ratio of the amine oxide to the total am.~~snt of C12-C14 alkyl sulphate and short chain alkyl sulphate is less than 3:4, preferably less than 4:6.
According the present invention the compositions have a viscosity from 40 cps to 4000 cps, preferably from 100 cps to 2000 cps, most preferably from 150 cps to 600 cps, measured with a Hrookfield viscosimeter RVT at a temperature of 25°C using spindle numbers 1 to 4 at 20-100 r.p.m.
The compositions according to the present invention may comprise a number of optional ingredients. A highly preferred optional ingredient according to the present invention is a hypochlorite bleaching agent, preferably an alkali metal hypochlorite. Although alkali metal hypochlorites are preferred other hypochlorite compounds may also be used herein and can be selected from calcium and magnesium hypochlorite. Preferred alkali metal hypochlorite for use herein is sodium hypochlorite.
Compositions according to the present invention comprise said hypochlorite bleaching agents such that the content of active chlorine in the compositions is from 0.4~ to WO 95108611 . 2171 ? 0 9 pCT~7S94/10199 4$, preferably from 1$ to 2$. According to the present invention the ingredients of the compositions are selected so that the compositions are hypochlorite compatible.
An optional requirement of the compositions according to the present invention is that the pH is greater than 10, preferably greater than 11, more preferably greater than 12. This is achieved by the addition of from 0.4$ to 2$
of a caustic alkali. Suitable caustic alkalis for use herein include sodium and potassium hydroxide.
Compositions according to the present invention comprising hypochlorite preferably have a pH greater than 12 for hypochlorite stability.
Another optional component of the present invention is an alkali metal salt of a Cg-Clg fatty acid. Said fatty acids are used as suds suppressors. Suitable fatty acids for use herein can be any Cg-Clg fatty acid, preferably fully saturated, preferably a sodium, potassium or lithium salt, more preferably the sodium salt. Suitable fatty acids may be selected from caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid and mixtures of fatty acids suitably hardened, derived from natural sources such as tallow, coconut oil, ground oil and babassu oil.
Compositions according to the present invention comprise from 0.1$ to 2$, preferably from 0.5$ to 1$ by weight of the composition of fatty acids.
The detergent compositions herein may additionally comprise as an optional ingredient an organic surface-active agent selected from anionic, nonionic, cationic and zwitterionic surface-active agents and mixtures thereof.
- WO 95/08611 2 l l 1 l 0 9 PCT~S94/10199 The compositions according to the present invention may also comprise a number of additional ingredients such as colourants anu perfumes. Additionally, the compositions according to the present invention may comprise silicates used as corrosion inhibitors and silicones as suds suppressors. The compositions according to the present invention are preferably aqueous and comprise from 80~ to 95~, more preferably from 85~ to 905 of water.
The compositions according to the present invention are prepared by methods well known in the art such as the methods described in GB 1 329 086. The compositions according to the present invention can be prepared by mixing all of the ingredients in a non-metallic apparatus at room temperature or in warm water. If fatty acid is used, it is melted before being added to the mixture. Preferably, the surfactant blend is first prepared by adding the short chain surfactant to the long chain components. Perfume and the alkali metal hypochlorite are then added whilst stirring. Colourants are added after all the other ingredients have been mixed.
The compositions of the present invention may be used for a variety of cleaning purposes such as cleaning hard surfaces whereby said compositions thickened nature results in longer adhesion to the surface than non-thickened compositions.
The compositions according to the present invention can be illustrated by the following examples.
WO 95/08611 . ~ ~ PCT/US94/10199 Ingredients octyl sulphate 3 3 3 4 3 C12 amine oxide - 3.2 - - -C14 amine oxide 3 - 3 4 3 C12 alkyl sulphate 2 3 3 2 3.5 coconut fatty acid 0.9 0.9 0.9 0.9 0.9 sodium hypochlorite 1.6 1.6 1.6 1.6 1.6 sodium hydroxide minors and water viscosity 100 110 165 170 185 Ingredients 6 7 8 9 10 octyl sulphate 2 2 3 2 3 C12 amine oxide - - - - -C14 amine oxide 2.4 2.4 3.2 2.4 4 C12 alkyl sulphate 2 2 3 2 3 coconut fatty acid 0.9 - 0.9 0.9 0.9 sodium hypochlorite 1.6 1.6 1.6 1.6 1.6 sodium hydroxide minors and water viscosity 215 230 250 280 3820 Ingredients 11 12 13 14 15 16 octyl sulphate 3 3 3 3 3 3 C14 amine oxide 3 3 3 3 1.6 1.5 C16 amine oxide - - - - 1.5 1.4 lauryl sulphate 1.5 1.5 1.5 1.5 1.2 1.5 palm kernal fatty acid 0.8 0.8 0.8 0.8 0.5 -coconut fatty acid - - - - - 0.7 sodium hypochlorite 2 3 4 5 1.65 1.5 sodium hydroxide 1.3 1.3 1.3 1.3 1.0 1.1 silicate 0.4 0.4 0.4 0.4 - -perfume 0.3 0.3 0.3 0.3 0.3 0.2 water and minors viscosity 150 350 560 600 300 350
IMPROVED CLEANING PERFORMANCE
TECHNICAL FIELD
The present invention relates to thickened aqueous detergent compositions.
BACKGROUND OF THE INVENTION
Liquid detergent compositions comprising long chain surfactants such as amine oxides are well known in the art. Such compositions are typically those as in US 4 282 109, EP 274 885, EP 233 666, DE 28 37 880 and EP 30 401.
It is desirable that such compositions have good cleaning properties. However, it has been found that long chain amine oxides do not provide the optimum cleaning performance. It is a first object of the present invention to provide cleaning compositions comprising long chain surfactants with improved cleaning.
In response to this object, it has been found that the incorporation of short chain surfactants is beneficial and meets this object thereby enhancing the cleaning performance.
I~owever, it has been observed that the incorporation of short chain surfactants at amounts needed to enhance performance in such compositions results in the decrease of viscosity of the composition. Yet, it is considered essential that the compositions should exhibit a high degree of viscosity so that the compositions adhere to the vertical surfaces and surfaces inclined to the horizontal.
WO 95/08611 21717 0 9 pCT~S94/10199 Thus, it is a further object of the present invention to provide a liquid composition which comprises long chain surfactants and short chain surfactants, which retains viscosity.
In response to this object, it has been found that viscosity may be retained even upon the addition of short chain surfactants, by the use of a mixture of amine oxide and alkyl sulphate, more specifically a mixture of a C12-C16 chain amine oxide and a C12-C14 alkyl sulphate.
A further advantage of the present invention is that there is no need for an additional thickening agent.
Thickening compositions comprising long chain surfactants are well known in the art.
US 4 282 109 discloses a thickened bleach composition comprising hypochlorite and a thickening amount of a surfactant blend, comprising amine oxide C10-Clg and alkyl sulphate Cg-C12 at a ratio of 3:4 or more.
EP 274 885 discloses thickened bleaching compositions comprising alkali metal hypochlorite and straight chain C14 amine oxide with a mixture of branched and straight chain C15 amine oxides. There is no mention of short chain surfactants.
EP 233 666 discloses a process for the manufacture of a thickened bleaching compositions comprising hypochlorite, a hypochlorite-soluble surfactant and an alkali metal salt of a fatty acid. The detergent actives include amine oxides, preferably lauryldimethylamine.
DE 28 37 880 covers bleaching compositions comprising alkali metal hypochlorite and mixtures of branched and linear amine oxides of varying chain length, (C5-C17) .n 2171709 for increased viscosity. There is no mention of other long or short chain surfactants.
EP 30 401 covers thickened bleaching compositions comprising hypoclorite and a certain number of product characteristics including pH and viscosity. Mixtures of Ce-C18 amine oxides and fatty acids are preferred as thickening agents. No other surfactants are disclosed.
SUMMARY OF THE INVENTION
The present invention is directed to a detergent composition having a viscosity of from 215 cps to 4000 cps comprising; from 1 to 5% of a viscosity decreasing short chain surfactant, said surfactant comprising a hydrophobic portion and a hydrophilic portion, wherein the chain length of said hydrophobic portion is C6 to Clo, said short chain surfactants being selected from the group consisting of alkyl sulfates, alkyl ether sulfates, alkyl sulfonates, alkyl succinates, alkyl carboxylates, alkyl sarcosinates, alkyl sulfosuccinates, amine oxides and betaines, and a viscosity restoring long chain surfactant mixture, said mixture comprising: from 1 to 50 of an amine oxide according to the formula R1RZR3N0, wherein R1 is a linear C12 to C16 alkyl group and RZ and R3 are independently Cl to C3 alkyl groups, and from 1 to 40 of an alkali metal alkyl sulphate according to the formula R40S03M, wherein R4 is a C12 to C14 alkyl group and M is an alkali metal, and wherein the ratio of said C12 to C16 amine oxide to the total amount of said C12 to C14 alkyl sulfate is less than 2:3.
All ratios, percentages and parts given herein are by o weight of the total composition unless otherwise specified.
DETAILED DESCRIPTION OF THE INVENTION
1. SHORT CHAIN SURFACTANT
WO 95/08611 2171 l 0 9 PCT/US94110199 The compositions according to the present invention comprise a short chain surfactant. Said surfactant comprises a hydrophobic portion and a hydrophilic portion, wherein the chain length of the hydrophobic portion is C6 to Clp. It has been found that the cleaning performance of the composition according to the present invention can be boosted by the incorporation of said short chain surfactant.
All surfactants have in common that they comprise a hydrophobic portion and a hydrophilic portion. Hy short chain surfactant, it is meant herein surfactants which comprise a C6-Clp alkyl chain as their hydrophobic portion. Such short chain surfactants are accordingly those conventionally used in this field, but with a shorter alkyl chain, and can be of any type.
Accordingly, suitable short chain surfactants for use herein include C6-Clp alkyl sulfates (C6-ClpSOq), alkyl ether sulfates (C6-Clp(OCH2CH2)eSOq), alkyl sulphonates (C6-ClpSOg), alkyl succinates (C6-CIpOOCCH2CH2COOZ), alkyl carboxylates (C6-CIpCOOM), alkyl ether carboxylates (C6-Clp(OCH2CH2)eCOOM), alkyl sarcosinates (C6-CIpCON(CHg)R), alkyl sulpho succinates (C6-CIpOOCCH(SOgM)CH2COOZ), amine oxides (C6-ClpRR'NO), and betaines (C6-ClpN+(CH3)2CH2C00-). In the formulae in brackets, a is from 0 to 20, Z is M or R, M is H or any counterion such as those known in the art, including Na, K, Li, NH4, amine, R and R' are C1-C5 alkyl groups, possibly functionalized with hydroxyl groups, R and R' are preferably C1-C3, most preferably methyl. All these surfactants are well known in the art. The compositions according to the present invention may comprise any of the above surfactants alone, or any combination thereof, depending on the end use envisioned.
Preferred short chain anionic surfactants for use herein are C6-Clp alkyl sulfates (C6-C1pS04) and alkyl WO 95/08611 2 ~ ~ ~ 7 0 9 . ~ pCT/[Jg94/10199 __ ._ sulphonates (Cg-C1pS03). Most preferred are the C6-C8 alkyl sulfates and sulphonates. Such short chain anionic surfactants can be made by well known sulphation or sulphonation processes followed by neutralization, but said anionic short chain surfactants are more conveniently commercially available, for instance from Rhone Poulenc under the trade mark Rhodapon OLS, or from Witco under the trade mark Witconate.
Preferred short chain surfactants for use herein is octyl sulphate. Suitable short chain surfactants for use herein are preferably hypochlorite compatible. According to the present invention, tie compositions comprise from 1~ to 5~ preferably from 2~ to 4~, of short chain surfactants.
It has been observed that the incorporation of short chain surfactants in compositions comprising typical amine oxides described in the art results in the decrease of said compositions viscosity. It has now been found that the viscosity of the compositions is restored by the use of a mixture of a C12 to Clq chain amine oxide and a C12 to Clq chain alkyl sulphate.
2.LONG CHAIN SURFACTANT MIXTURE
a. Long chain amine oxides Suitable amine oxides for use herein comprise amine oxides according to the formula R1R2R3N0, wherein R1 is a linear C12 to C16 alkyl group, and R2 and R3 are independently C1 to Cg alkyl groups, preferably methyl and mixtures thereof.
Suitable long chain amine oxides for use herein can be Cl,q amine oxide GenaminoxR MY-X, (available from Hoechst) C12 and C14 amine oxide AromoxR DNiNICD-W, J
WO 95/08611 . 2 1 7 17 p g p~~S94/10199 (AKZO), and C14 amine oxide Aromox DM14D-W, (AKZO).
However, preferred for use herein are C16 amine oxides, and mixtures of C16 and Clq pine oxides, which offer better suds profile, i.e. produce less foam. Suitable C16 amine oxides are commercially available under the trade mark Genaminox CE. According to the present invention, said compositions comprise from 1~ to 6$, preferably from 2$ to 5$, more preferably from 3$ to 4$
of said C12 to C14 amine oxide.
v,N.,.
-- WO 95/08611 . 2 I 717 ~ 9 pCT~S94/10199 b. Long chain alkyl sulphates Suitable alkyl sulphates for use herein comprise alkyl sulphates according to the formula R40S03M, wherein R4 is a C12 to C14 alkyl group and mixtures thereof. M is an alkali metal. Preferred alkyl sulphates for use herein can be sodium dodecyl sulphate or sodium lauryl sulphate.
Compositions according to the present invention comprise from 1~ to 4~k, preferably from 2$ to 3~ by weight of the total compositions of said long chain alkyl sulphate.
Suitable long chain surfactants for use herein are preferably hypochlorite compatible.
According to the present invention the ratio of the amine oxide to the total am.~~snt of C12-C14 alkyl sulphate and short chain alkyl sulphate is less than 3:4, preferably less than 4:6.
According the present invention the compositions have a viscosity from 40 cps to 4000 cps, preferably from 100 cps to 2000 cps, most preferably from 150 cps to 600 cps, measured with a Hrookfield viscosimeter RVT at a temperature of 25°C using spindle numbers 1 to 4 at 20-100 r.p.m.
The compositions according to the present invention may comprise a number of optional ingredients. A highly preferred optional ingredient according to the present invention is a hypochlorite bleaching agent, preferably an alkali metal hypochlorite. Although alkali metal hypochlorites are preferred other hypochlorite compounds may also be used herein and can be selected from calcium and magnesium hypochlorite. Preferred alkali metal hypochlorite for use herein is sodium hypochlorite.
Compositions according to the present invention comprise said hypochlorite bleaching agents such that the content of active chlorine in the compositions is from 0.4~ to WO 95108611 . 2171 ? 0 9 pCT~7S94/10199 4$, preferably from 1$ to 2$. According to the present invention the ingredients of the compositions are selected so that the compositions are hypochlorite compatible.
An optional requirement of the compositions according to the present invention is that the pH is greater than 10, preferably greater than 11, more preferably greater than 12. This is achieved by the addition of from 0.4$ to 2$
of a caustic alkali. Suitable caustic alkalis for use herein include sodium and potassium hydroxide.
Compositions according to the present invention comprising hypochlorite preferably have a pH greater than 12 for hypochlorite stability.
Another optional component of the present invention is an alkali metal salt of a Cg-Clg fatty acid. Said fatty acids are used as suds suppressors. Suitable fatty acids for use herein can be any Cg-Clg fatty acid, preferably fully saturated, preferably a sodium, potassium or lithium salt, more preferably the sodium salt. Suitable fatty acids may be selected from caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid and mixtures of fatty acids suitably hardened, derived from natural sources such as tallow, coconut oil, ground oil and babassu oil.
Compositions according to the present invention comprise from 0.1$ to 2$, preferably from 0.5$ to 1$ by weight of the composition of fatty acids.
The detergent compositions herein may additionally comprise as an optional ingredient an organic surface-active agent selected from anionic, nonionic, cationic and zwitterionic surface-active agents and mixtures thereof.
- WO 95/08611 2 l l 1 l 0 9 PCT~S94/10199 The compositions according to the present invention may also comprise a number of additional ingredients such as colourants anu perfumes. Additionally, the compositions according to the present invention may comprise silicates used as corrosion inhibitors and silicones as suds suppressors. The compositions according to the present invention are preferably aqueous and comprise from 80~ to 95~, more preferably from 85~ to 905 of water.
The compositions according to the present invention are prepared by methods well known in the art such as the methods described in GB 1 329 086. The compositions according to the present invention can be prepared by mixing all of the ingredients in a non-metallic apparatus at room temperature or in warm water. If fatty acid is used, it is melted before being added to the mixture. Preferably, the surfactant blend is first prepared by adding the short chain surfactant to the long chain components. Perfume and the alkali metal hypochlorite are then added whilst stirring. Colourants are added after all the other ingredients have been mixed.
The compositions of the present invention may be used for a variety of cleaning purposes such as cleaning hard surfaces whereby said compositions thickened nature results in longer adhesion to the surface than non-thickened compositions.
The compositions according to the present invention can be illustrated by the following examples.
WO 95/08611 . ~ ~ PCT/US94/10199 Ingredients octyl sulphate 3 3 3 4 3 C12 amine oxide - 3.2 - - -C14 amine oxide 3 - 3 4 3 C12 alkyl sulphate 2 3 3 2 3.5 coconut fatty acid 0.9 0.9 0.9 0.9 0.9 sodium hypochlorite 1.6 1.6 1.6 1.6 1.6 sodium hydroxide minors and water viscosity 100 110 165 170 185 Ingredients 6 7 8 9 10 octyl sulphate 2 2 3 2 3 C12 amine oxide - - - - -C14 amine oxide 2.4 2.4 3.2 2.4 4 C12 alkyl sulphate 2 2 3 2 3 coconut fatty acid 0.9 - 0.9 0.9 0.9 sodium hypochlorite 1.6 1.6 1.6 1.6 1.6 sodium hydroxide minors and water viscosity 215 230 250 280 3820 Ingredients 11 12 13 14 15 16 octyl sulphate 3 3 3 3 3 3 C14 amine oxide 3 3 3 3 1.6 1.5 C16 amine oxide - - - - 1.5 1.4 lauryl sulphate 1.5 1.5 1.5 1.5 1.2 1.5 palm kernal fatty acid 0.8 0.8 0.8 0.8 0.5 -coconut fatty acid - - - - - 0.7 sodium hypochlorite 2 3 4 5 1.65 1.5 sodium hydroxide 1.3 1.3 1.3 1.3 1.0 1.1 silicate 0.4 0.4 0.4 0.4 - -perfume 0.3 0.3 0.3 0.3 0.3 0.2 water and minors viscosity 150 350 560 600 300 350
Claims (10)
1. A detergent composition having a viscosity of from 215 cps to 4000 cps comprising:
from 1 to 50 of a viscosity decreasing short chain surfactant, said surfactant comprising a hydrophobic portion and a hydrophilic portion, wherein the chain length of said hydrophobic portion is C6 to C10, said short chain surfactants being selected from the group consisting of alkyl sulfates, alkyl ether sulfates, alkyl sulfonates, alkyl succinates, alkyl carboxylates, alkyl sarcosinates, alkyl sulfosuccinates, amine oxides and betaines, and a viscosity restoring long chain surfactant mixture, said mixture comprising:
from 1 to 50 of an amine oxide according to the formula R1R2R3NO, wherein R1 is a linear C12 to C16 alkyl group and R2 and R3 are independently C1 to C3 alkyl groups, and from 1 to 4% of an alkali metal alkyl sulphate according to the formula R4OSO3M, wherein R4 is a C12 to C14 alkyl group and M is an alkali metal, and wherein the ratio of said C12 to C16 amine oxide to the total amount of said C12 to C14 alkyl sulfate is less than 2:3.
from 1 to 50 of a viscosity decreasing short chain surfactant, said surfactant comprising a hydrophobic portion and a hydrophilic portion, wherein the chain length of said hydrophobic portion is C6 to C10, said short chain surfactants being selected from the group consisting of alkyl sulfates, alkyl ether sulfates, alkyl sulfonates, alkyl succinates, alkyl carboxylates, alkyl sarcosinates, alkyl sulfosuccinates, amine oxides and betaines, and a viscosity restoring long chain surfactant mixture, said mixture comprising:
from 1 to 50 of an amine oxide according to the formula R1R2R3NO, wherein R1 is a linear C12 to C16 alkyl group and R2 and R3 are independently C1 to C3 alkyl groups, and from 1 to 4% of an alkali metal alkyl sulphate according to the formula R4OSO3M, wherein R4 is a C12 to C14 alkyl group and M is an alkali metal, and wherein the ratio of said C12 to C16 amine oxide to the total amount of said C12 to C14 alkyl sulfate is less than 2:3.
2. A detergent composition according to claim 1, wherein said short chain surfactant is an alkyl sulphate.
3. A detergent composition according to claim 1 or 2 comprising from 2% to 5% of said long chain C12 to C16 amine oxide.
4. A detergent composition according to claims 1, 2 or 3 wherein said C12-C16 amine oxide is a dimethyl amine oxide.
5. A detergent composition according to claims 1, 2 or 3 wherein said amine oxide is a mixture of C14 and C16 amine oxides.
6. A detergent composition according to claims 1, 2 or 3 wherein the alkali metal sulphate is sodium lauryl sulphate.
7. A detergent composition according to claims 1, 2 or 3 further characterized in that said composition comprises an alkali metal hypochlorite.
8. A detergent composition according to claim 7, comprising from 0.4% to 4% of said hypochlorite.
9. A detergent composition according to claim 7, having a pH of above 10.
10. A detergent composition according to claim 1 wherein said viscosity is from 215 cps to 600 cps.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP93870191 | 1993-09-20 | ||
| EP93870191.9 | 1993-09-20 | ||
| PCT/US1994/010199 WO1995008611A1 (en) | 1993-09-20 | 1994-09-12 | Thickneded aqueous detergent compositions with improved cleaning performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2171709A1 CA2171709A1 (en) | 1995-03-30 |
| CA2171709C true CA2171709C (en) | 1999-12-21 |
Family
ID=8215392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002171709A Expired - Fee Related CA2171709C (en) | 1993-09-20 | 1994-09-12 | Thickened aqueous detergent compositions with improved cleaning performance |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0720642B1 (en) |
| JP (1) | JPH09503012A (en) |
| CA (1) | CA2171709C (en) |
| DE (1) | DE69427916T2 (en) |
| ES (1) | ES2159304T3 (en) |
| WO (1) | WO1995008611A1 (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2148469C (en) * | 1992-11-03 | 2000-01-18 | William Ajalon Cilley | Cleaning with short-chain surfactants |
| EP0812904A3 (en) * | 1996-06-10 | 1999-05-26 | The Procter & Gamble Company | Cleaning compositions |
| US6066614A (en) * | 1996-06-10 | 2000-05-23 | The Proctor & Gamble Company | Cleaning compositions |
| DE19626906C1 (en) * | 1996-07-04 | 1998-03-12 | Henkel Kgaa | Means for cleaning hard surfaces |
| GB2321253B (en) * | 1997-01-16 | 2000-10-18 | Mcbride Robert Ltd | Liquid detergent formulation |
| EP0916718A1 (en) | 1997-10-14 | 1999-05-19 | The Procter & Gamble Company | Cleaning and disinfecting compositions |
| GB9727517D0 (en) * | 1997-12-31 | 1998-02-25 | Jeyes Group Plc | Liquid bleach composition |
| GB2334721B (en) * | 1998-02-25 | 2002-06-12 | Reckitt & Colman Inc | Cleansing composition |
| GB2334722B (en) * | 1998-02-25 | 2002-04-24 | Reckitt & Colman Inc | Aqueous cleaning composition for removing soap scum |
| EP0992576A1 (en) * | 1998-10-01 | 2000-04-12 | The Procter & Gamble Company | Stable bleaching compositions |
| EP0990696B1 (en) * | 1998-10-01 | 2005-04-27 | The Procter & Gamble Company | Stable bleaching compositions |
| DE19902904A1 (en) * | 1999-01-26 | 2000-08-03 | Henkel Kgaa | Bleach and disinfectant |
| AU2002253120A1 (en) * | 2002-03-13 | 2003-09-22 | Cognis Iberia, S.L. | Concentrated peroxide solutions |
| US6794348B2 (en) * | 2002-09-20 | 2004-09-21 | Unilever Home & Personal Care Usa Division Of Conopco, Inc. | Gel laundry detergent and/or pre-treater composition |
| US7618931B1 (en) * | 2008-08-26 | 2009-11-17 | The Clorox Company | Natural heavy duty cleaners |
| WO2016200343A1 (en) * | 2015-06-09 | 2016-12-15 | Hayat Kimya Sanayi Anonim Sirketi | Aqueous, thickened and transparent bleaching compositions |
| US20180195023A1 (en) * | 2015-09-14 | 2018-07-12 | Sumitomo Electric Industries, Ltd. | Mineral-oil cleaning composition and method for cleaning article having mineral oil adhering thereto using the same |
| JP7450428B2 (en) * | 2020-03-25 | 2024-03-15 | 花王株式会社 | Method for manufacturing cleaning composition |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2121565C3 (en) * | 1971-05-03 | 1978-07-27 | Henkel Kgaa, 4000 Duesseldorf | Aqueous detergent concentrate |
| GB1437089A (en) * | 1972-05-26 | 1976-05-26 | Albright & Wilson | Detergent concentrates |
| US3898186A (en) * | 1973-04-09 | 1975-08-05 | Procter & Gamble | Dishwashing compositions containing gel forming gelatin |
| GB2051162A (en) * | 1979-05-30 | 1981-01-14 | Reckitt & Colmann Prod Ltd | Thickened aqueous alkali metal hypochlorite solutions |
| GB8602589D0 (en) * | 1986-02-03 | 1986-03-12 | Unilever Plc | Detergent compositions |
| DE4025065A1 (en) * | 1990-08-08 | 1992-02-13 | Henkel Kgaa | LIQUID, POURABLE AND PUMPABLE SURFACTANT CONCENTRATE |
| US5244593A (en) * | 1992-01-10 | 1993-09-14 | The Procter & Gamble Company | Colorless detergent compositions with enhanced stability |
-
1994
- 1994-09-12 JP JP7509809A patent/JPH09503012A/en active Pending
- 1994-09-12 ES ES94928070T patent/ES2159304T3/en not_active Expired - Lifetime
- 1994-09-12 EP EP94928070A patent/EP0720642B1/en not_active Expired - Lifetime
- 1994-09-12 DE DE69427916T patent/DE69427916T2/en not_active Expired - Lifetime
- 1994-09-12 WO PCT/US1994/010199 patent/WO1995008611A1/en active IP Right Grant
- 1994-09-12 CA CA002171709A patent/CA2171709C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE69427916D1 (en) | 2001-09-13 |
| EP0720642A1 (en) | 1996-07-10 |
| CA2171709A1 (en) | 1995-03-30 |
| DE69427916T2 (en) | 2002-04-04 |
| ES2159304T3 (en) | 2001-10-01 |
| EP0720642A4 (en) | 1998-01-28 |
| EP0720642B1 (en) | 2001-08-08 |
| JPH09503012A (en) | 1997-03-25 |
| WO1995008611A1 (en) | 1995-03-30 |
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