Laundry detergent compositions comprising zwitterionic polyamines and mid-chain branched surfactants
AssigneeThe Procter & Gamble Company
InventorsKenneth Nathan Price, Eugene Paul Gosselink
Life of this patent
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Abstract
The present invention relates to laundry detergent compositions which provide enhance hydrophilic soil cleaning benefits, said compositions comprising: a) from about 0.01% by weight of a zwitterionic polyamine; b) from about 0.01% by weight, of a surfactant system comprising: i) from 0% to 80% by weight, of a mid-chain branched alkyl sulfate surfactant; ii) from 0% to 80% by weight, of a mid-chain branched aryl sulfonate surfactant; iii) optionally from 0.01% by weight, of a surfactant selected from the group consisting of anionic, nonionic, cationic, zwitterionic, ampholytic surfactants, and mixtures thereof; c) the balance carriers and other adjunct ingredients.
Claims24
A laundry detergent composition comprising:
- a) from about 0.01% by weight, of a zwitterionic polymer which comprises a polyamine backbone, said backbone comprising two or more amino units wherein at least one of said amino units is quaternized and wherein at least one amino unit is substituted by one or more moieties capable of having an anionic charge;
- b) from about 0.01% by weight, of a surfactant system comprising one or more mid-chain branched surfactants selected from the group consisting of mid-chain branched alkyl sulfates, mid-chain branched alkoxy sulfates, mid-chain branched aryl sulfonates, and mixtures thereof;
- c) optionally from about 0.01% by weight, of one or more non-mid chain branched surfactants;
- and
- d) the balance carriers and adjunct ingredients.
A laundry detergent composition comprising:
- a) from about 0.01% by weight of a zwitterionic polyamine, said polyamine having the formula:
- [J—R]n—J
- wherein J is selected from the group consisting of:
- i) primary amino units having the formula:
- (R1)2N;
- ii) secondary amino units having the formula:
- —R1N;
- iii) tertiary amino units having the formula:
- 43
- iv) primary quaternary amino units having the formula:
- 44
- v) secondary quaternary amino units having the formula:
- 45
- vi) tertiary quaternary amino units having the formula:
- 46
- vii) primary N-oxide amino units having the formula:
- 47
- viii) secondary N-oxide amino units having the formula:
- 48
- ix) tertiary N-oxide amino units having the formula:
- 49
- x) and mixtures thereof;
- wherein B is a continuation of the backbone by branching having the formula:
- [J—R]—;
- R is a hydrophilic backbone unit selected from the group consisting of:
- i) C2-C12 linear alkylene, C3-C12 branched alkylene, or mixtures thereof;
- ii) alkyleneoxyalkylene units having the formula:
- —(R2O)w(R3)—
- iii) hydroxyalkylene units having the formula:
- 50
- iv) hydroxyalkylene/oxyalkylene units having the formula:
- 51
- carboxyalkyleneoxy units having the formula:
- 52
- vi) and mixtures thereof;
- R1 is selected from the group consisting of:
- i) hydrogen;
- ii) C1-C22 alkyl;
- iii) C7-C22 arylalkyl;
- iv) —[CH2CH(OR4)CH2O]s(R2O)tY;
- v) anionic units;
- vi) and mixtures thereof;
- R2 is selected from the group consisting of ethylene, 1,2-propylene, 1,3-propylene, 1,2-butylene, 1,4-butylene, and mixtures thereof;
- R3 is C2-C8 linear alkylene, C3-C8 branched alkylene, phenylene, substituted phenylene, and mixtures thereof;
- R4 is hydrogen, C1-C4 alkyl, —(R2O)tY, and mixtures thereof;
- Q is a quaternizing unit selected from the group consisting of C1-C4 linear alkyl,
- C1-C4 hydroxyalkyl, benzyl, (R2O)tY, and mixtures thereof;
- X is oxygen, —NR4—, and mixtures thereof;
- Y is hydrogen, C1-C4 linear alkyl, an anionic unit, and mixtures thereof;
- the index j is from 0 to 20;
- the index k is from 1 to 20;
- n is from 1 to 99;
- the index r is 0 or 1;
- the index s is from 0 to 5;
- the index t has an average value of from about 0.5 to about 100;
- the index w is from 0 to 25;
- the indices x, y, and z are each independently from 0 to 6;
- b) from about 0.01% by weight, of a surfactant system comprising:
- i) from 0% to 80% by weight, of one or more mid-chain branched alkyl sulfate surfactants selected from the group consisting of surfactants having the formula:
- 53
- the formula:
- 54
- and mixtures thereof;
- wherein R, R1, and R2 are each independently hydrogen, C1-C3 alkyl, and mixtures thereof, provided the total number of carbon atoms in said surfactant is from 14 to 20 and at least one of R, R1, and R2 is not hydrogen;
- the index w is an integer from 0 to 13;
- x is an integer from 0 to 13;
- y is an integer from 0 to 13;
- z is an integer of at least 1;
- provided w+x+y+z is from 8 to 14 and the total number of carbon atoms in a surfactant is from 14 to 20;
- R3 is ethylene, 1,2-propylene, 1,3-propylene, 1,2-butylene, 1,4-butylene, and mixtures thereof;
- the average value of the index m is at least about 0.01;
- ii) from 0% to 80% by weight, of one or more mid-chain branched aryl sulfonate surfactants having the formula:
- 55
- wherein A is a mid-chain branched alkyl unit having the formula:
- 56
- wherein R and R1 are each independently hydrogen, C1-C3 alkyl, and mixtures thereof, provided the total number of carbon atoms in said alkyl unit is from 6 to 18 and at least one of R and R1 is not hydrogen;
- x is an integer from 0 to 13;
- y is an integer from 0 to 13;
- z is 0 or 1;
- R2 is hydrogen, C1-C3 alkyl, and mixtures thereof;
- M′ is a water soluble cation with sufficient charge to provide neutrality;
- iii) optionally from 0.01%. by weight, of one or more surfactants selected from the group consisting of anionic, nonionic, cationic, zwitterionic, ampholytic surfactants, and mixtures thereof;
- and
- c) the balance carriers and adjunct ingredients.
A granular laundry detergent composition comprising
- a) from about 0.01% by weight of a zwitterionic polyamine, said polyamine having the formula:
- 57
- wherein R is a hydrophilic backbone unit selected from the group consisting of:
- i) alkyleneoxyalkylene units having the formula:
- —(R2O)w(R3)—
- ii) hydroxyalkylene units having the formula:
- 58
- iii) hydroxyalkylene/oxyalkylene units having the formula:
- 59
- iv) and mixtures thereof;
- R2 is selected from the group consisting of ethylene, 1,2-propylene, 1,3-propylene, 1,2-butylene, 1,4-butylene, and mixtures thereof;
- R3 is C2-C8 linear alkylene, C3-C8 branched alkylene, phenylene, substituted phenylene, and mixtures thereof;
- R4 is hydrogen, C1-C4 alkyl, —(R2O)tY, and mixtures thereof;
- Q is a quaternizing unit selected from the group consisting of C1-C4 linear alkyl, benzyl, and mixtures thereof;
- X is oxygen, —NR4—, and mixtures thereof;
- Y is an anionic unit selected from the group consisting of —(CH2)fCO2M, —C(O)(CH2)CO2M, —(CH2)fPO3M, —(CH2)fOPO3M, —(CH2)fSO3M, —CH2(CHSO3M)(CH2)fSO3M, —CH2(CHSO2M)(CH2)fSO3M, and mixtures thereof;
- M is hydrogen, a water soluble cation, and mixtures thereof;
- the index f is from 0 to about 10;
- the index j is from 1 to 20;
- the index k is from 1 to 20;
- the index m is from 0 to 20;
- the index r is O or 1;
- the index t is from 15 to 25;
- the index w is from 0 to 25;
- the indices x, y, and z are each independently from 1 to 6;
- b) from about 0.01% by weight, of a surfactant system comprising:
- i) from 0% to 80% by weight, of a mid-chain branched alkyl sulfate surfactant selected from the group consisting of surfactants having the formula:
- 60
- and mixtures thereof;
- wherein R, R1, and R2 are each independently hydrogen, C1-C3 alkyl, and mixtures thereof, provided the total number of carbon atoms in said surfactant is from 14 to 20 and at least one of R, R1, and R2 is not hydrogen;
- the index w is an integer from 0 to 13;
- x is an integer from 0 to 13;
- y is an integer from 0 to 13;
- z is an integer of at least 1;
- provided w+x+y+z is from 8 to 14 and the total number of carbon atoms in a surfactant is from 14 to 20;
- R3 is ethylene, 1,2-propylene, 1,3-propylene, 1,2-butylene, 1,4-butylene, and mixtures thereof;
- the average value of the index m is at least about 0.01;
- ii) from 0% to 80% by weight, of a mid-chain branched aryl sulfonate surfactant having the formula:
- 61
- wherein A is a mid-chain branched alkyl unit having the formula:
- 62
- wherein R and R1 are each independently hydrogen, C1-C3 alkyl, and mixtures thereof, provided the total number of carbon atoms in said alkyl unit is from 6 to 18 and at least one of R and R1 is not hydrogen;
- x is an integer from 0 to 13;
- y is an integer from 0 to 13;
- z is 0 or 1;
- R2 is hydrogen, C1-C3 alkyl, and mixtures thereof;
- M′ is a water soluble cation with sufficient charge to provide neutrality;
- iii) optionally from 0.01% by weight, of a surfactant selected from the group consisting of anionic, nonionic, cationic, zwitterionic, ampholytic surfactants, and mixtures thereof;
- c) from about 1% by weight, of a peroxygen bleaching system comprising:
- i) from about 40% by weight, of the bleaching system, a source of hydrogen peroxide;
- ii) optionally from about 0.1% by weight, of the beaching system, a beach activator;
- iii) optionally from about 1 ppb of the composition, of a transition-metal bleach catalyst;
- iv) optionally from about 0.1% by weight, of a pre-formed peroxygen bleaching agent;
- and
- d) the balance carriers and adjunct ingredients.
A liquid laundry detergent composition comprising
- a) from about 0.01% by weight of a zwitterionic polyamine, said polyamine having the formula:
- 63
- R is a backbone unit selected from the group consisting of:
- i) C3-C8 linear alkylene, C4-C8 branched alkylene, or mixtures thereof;
- ii) poly(alkyleneoxy)alkylene units having the formula:
- —(R2O)w(R3)—
- iii) hydroxyalkylene units having the formula:
- 64
- iv) hydroxyalkylene/oxyalkylene units having the formula:
- 65
- v) carboxyalkyleneoxy units having the formula:
- 66
- vi) and mixtures thereof;
- R1 is selected from the group consisting of:
- i) hydrogen;
- ii) C1-C22 alkyl;
- iii) C7-C22 arylalkyl;
- iv) —[CH2CH(OR4)CH2O]s(R2O)tY;
- v) anionic units;
- vi) and mixtures thereof;
- R2 is selected from the group consisting of ethylene, 1,2-propylene, 1,3-propylene, 1,2-butylene, 1,4-butylene, and mixtures thereof;
- R3 is C2-C8 linear alkylene, C3-C8 branched alkylene, phenylene, substituted phenylene, and mixtures thereof;
- R4is hydrogen, C1-C4 alkyl, —(R2O)tY, and mixtures thereof;
- Q is a quaternizing unit selected from the group consisting of C1-C4 linear alkyl, C1-C4 hydroxyalkyl, benzyl, (R2O)tY, and mixtures thereof;
- X is oxygen, —NR4—, and mixtures thereof;
- Y is hydrogen, C1-C4 linear alkyl, an anionic unit, and mixtures thereof;
- the index j is from 0 to 20;
- the index k is from 1 to 20;
- n is from 1 to 99;
- the index r is 0 or 1;
- the index s is from 0 to 5;
- the index t has an average value of from about 0.5 to about 100;
- the index w is from 0 to 25;
- the indices x, y, and z are each independently from 0 to 6;
- b) from about 0.01% by weight, of a surfactant system comprising:
- i) from 0% to 80% by weight, of a mid-chain branched alkyl sulfate surfactant selected from the group consisting of surfactants having the formula:
- 67
- and mixtures thereof;
- wherein R, R1, and R2 are each independently hydrogen, C1-C3 alkyl, and mixtures thereof, provided the total number of carbon atoms in said surfactant is from 14 to 20 and at least one of R, R1, and R2 is not hydrogen;
- the index w is an integer from 0 to 13;
- x is an integer from 0 to 13;
- y is an integer from 0 to 13;
- z is an integer of at least 1;
- provided w+x+y+z is from 8 to 14 and the total number of carbon atoms in a surfactant is from 14 to 20;
- R3is ethylene, 1,2-propylene, 1,3-propylene, 1,2-butylene, 1,4-butylene, and mixtures thereof;
- the average value of the index m is at least about 0.01;
- ii) from 0% to 80% by weight, of a mid-chain branched aryl sulfonate surfactant having the formula:
- 68
- wherein A is a mid-chain branched alkyl unit having the formula:
- 69
- where R and R1 are each independently hydrogen, C1-C3 alkyl, and mixtures thereof, provided the total number of carbon atoms in said alkyl unit is from 6 to 18 and at least one of R and R1 is not hydrogen;
- x is an integer from 0 to 13;
- y is an integer from 0 to 13;
- z is 0 or 1;
- R2 is hydrogen, C1-C3 alkyl, and mixtures thereof;
- M′ is a water soluble cation with sufficient charge to provide neutrality;
- iii) optionally from 0.01% by weight, of a surfactant selected from the group consisting of anionic, nonionic, cationic, zwitterionic, ampholytic surfactants, and mixtures thereof;
- c) from about 1% by weight, of a peroxygen bleaching system comprising:
- i) from about 40% by weight, of the bleaching system, a source of hydrogen peroxide;
- ii) optionally from about 0.1% by weight, of the beaching system, a beach activator;
- iii) optionally from about 1 ppb of the composition, of a transition-metal bleach catalyst;
- iv) optionally from about 0.1% by weight, of a pre-formed peroxygen bleaching agent;
- and
- d) the balance carriers and adjunct ingredients.
A laundry detergent composition comprising:
- a) from about 0.01% by weight, of a zwitterionic polymer which comprises a polyamine backbone wherein one or more of said polyamine backbone amino units are quaternized and wherein said polyamine backbone is substituted by one or more units capable of having an anionic charge such that the value of the charge ratio, Qr, is from greater than about 1 to about 4, wherein Qr, is defined as:
- 4 Q r = ∑ q anionic ∑ q cationic
- wherein qanionic is an anionic unit and qcationic represents a quaternized backbone nitrogen;
- b) from about 0.01% by weight, of a surfactant system comprising one or more mid-chain branched surfactants selected from the group consisting of mid-chain branched alkyl sulfates, mid-chain branched alkoxy sulfates, mid-chain branched aryl sulfonates, and mixtures;
- c) from about 1% by weight, of a detergent builder;
- and
- d) the balance carriers and adjunct ingredients.
Dependencies are inferred from the claim text.