CA2277029A1 - A combination of a nonionic silicone surfactant and a nonionic surfactant in a solid block detergent - Google Patents

A combination of a nonionic silicone surfactant and a nonionic surfactant in a solid block detergent Download PDF

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Publication number
CA2277029A1
CA2277029A1 CA002277029A CA2277029A CA2277029A1 CA 2277029 A1 CA2277029 A1 CA 2277029A1 CA 002277029 A CA002277029 A CA 002277029A CA 2277029 A CA2277029 A CA 2277029A CA 2277029 A1 CA2277029 A1 CA 2277029A1
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Prior art keywords
detergent
group
ware
surfactant
nonionic
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CA002277029A
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French (fr)
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CA2277029C (en
Inventor
Steven E. Lentsch
Victor F. Man
Deborah A. Ihns
Helmut K. Maier
Rhonda K. Schulz
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Ecolab Inc
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Ecolab Inc.
Steven E. Lentsch
Victor F. Man
Deborah A. Ihns
Helmut K. Maier
Rhonda K. Schulz
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Publication of CA2277029A1 publication Critical patent/CA2277029A1/en
Application granted granted Critical
Publication of CA2277029C publication Critical patent/CA2277029C/en
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Expired - Lifetime legal-status Critical Current

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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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/044—Hydroxides or bases
    • 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
    • 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
    • C11D1/721—End blocked 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
    • C11D1/82—Compounds containing silicon
    • 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
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0052—Cast detergent 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/006—Detergents in the form of bars or tablets containing mainly surfactants, but no builders, e.g. syndet bar
    • 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
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0065—Solid detergents containing builders
    • 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
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/06—Phosphates, including polyphosphates
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/08—Silicates
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/10—Carbonates ; Bicarbonates
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246—Silicates, e.g. diatomaceous earth
    • C11D3/128—Aluminium silicates, e.g. zeolites
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/36—Organic compounds containing phosphorus
    • C11D3/361—Phosphonates, phosphinates or phosphonites
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/36—Organic compounds containing phosphorus
    • C11D3/364—Organic compounds containing phosphorus containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3707—Polyethers, e.g. polyalkyleneoxides
    • 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
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/02—Inorganic compounds
    • C11D7/04—Water-soluble compounds
    • C11D7/06—Hydroxides
    • 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

Abstract

The invention relates to a highly alkaline or mildly alkaline detergent composition having enhanced cleaning properties. The detergent combines a source of alkalinity and a blend of nonionic alkoxylated surfactant and nonionic alkoxylated silicone surfactant that enhances cleaning waxy-fatty soils. The composition may be in the form of solid block.

Claims (38)

WE CLAIM:
1. An alkaline detergent composition comprising:
(a) an effective soil removing amount of a source of alkalinity comprising sodium carbonate; and (b) an effective soil removing amount of a nonionic surfactant blend comprising:
(i) a nonionic surfactant comprising a hydrophobic group and an -(EO)x group, wherein x is a number of about 1 to 100; and (ii) a nonionic silicone surfactant comprising a hydrophhbic silicone group and a pendent hydrophilic polyalkylene oxide group;
wherein sodium carbonate is the sole source of alkalinity and the detergent exhibits enhanced waxy-fatty soil removing capacity; wherein the detergent in an aqueous solution exhibits a surface tension at ambient room temperature of less than 0.030 N/m.
2. The detergent of claim 1 wherein the detergent comprises a solid block having a mass of at least 100 grams.
3. The detergent of claim 2 wherein the detergent is packaged within a flexible wrapping.
4. The detergent of claim 1 comprising a powder.
5. The detergent of claim 1 comprising a pellet.
6. The detergent of claim 1 wrerein the silicone surfactant has the formula:

wherein PE represent -CH2- (CH2)p-O- (EO)a (PO)n- Z, x is a number that ranges from about 0 to about 100 , y i s a nmmber that ranges from about 1 to 100, p is 0 to 6, m and n are numbers that range from about 0 to about 50, m+n>1, and Z represents hydrogen or R and each R
independently represents a lower (C1-6) alkyl.
7. The detergent of claim 1 whsrein the source of alkalinity comprises an alkali metal hydroxide.
8. The detergent of claim 1 wherein the source of alkalinity comprises an alkali metal carbonate.
9. The detergent of claim 1 wherein the detergent additionally comprises a hardness sequestering agent.
10. The detergent of claim 1 wherein the silicone surfactant has the formula:
wherein x represent a number that ranges from about 0 to about 100, y represent a number that ranges from about 1 to about 100, a and b represent numbers that independently represent numbers that range from about 0 to about 60, a+b ~ 1 and R is hydrogen or a lower (C1-6) alkyl.
11. The detergent of claim 1 wherein the nonionic surfactant comprises a linear alcohol ethoxylate or an alkylphenolethoxylaze.
12. The detergent of claim 1 wherein the nonionic surfactant comprises a benzyl capped C8-12 linear alcohol 6 to 16 mole ethoxylate.
13. The detergent of claim 9 wherein the sequestrant comprises an amino trialkylene phosphonic acid sodium salt.
14. The detergent of claim 9 wherein the sequestrant additionally comprises a 2-phosphono-butane-1, 2, 4-tricarboxylic acid sodium salt, 1-hydroxyethylidene-l, 1-diphosphonic acid, diethylenetriamine-penta(methylenephosphonic acid) or mixtures thereof.
15. The detergent of claim 9 wherein the sequestrant comprises sodium tripolyphosphate and amino trimethylene phosphonic acid sodium salt, 2-phosphono-butane-1,2, 4-tricarboxylic acid, 1-hydraxyethylidene-1,1-diphoephonic acid, diethylenetriamine-penta(methylenephosphonic acid) or mixtures thereof.
16. The detergent composition of claim 2, wherein the detergent comprises (a) about 5 to 70 wt% of Na2CO2; and (b) about 1 to 50 wt% of a hardness sequestering agent selected from the group consisting of sodium tripolyphosphate, an organic phosphonate sequestrant, and mixtures thereof;
wherein the solid block detergent has a mass of at least 0.5 kilograms.
17. The detergent of claim 16 wherein the phosphonate sequestrant comprises an amino trimethylere phosphonic acid sodium salt.
18. The detergent of clain 17 wherein the sequestrant additionally comprises a 2-phosphono-butane-1,2, 4-tricarboxylic acid sodium salt, 1-hydroxyethylidene-1, 1-diphosphonic acid, diethylenetriamine-penta(methylenephosphonic acid) or mixtures thereof.
19. The detergent of claim 16 wherein the detergent is packaged in a flexible polyolefin film.
20. The detergent of claim 1 additionally comprising a source of chlorine.
22. The detergent of claim 20 wherein the source of chlorine comprises an encapsulated chlorine source.
22. A solid block detergent composition, the detergent comprising:
(a) an effective soil removing amount of a source of alkalinity comprising sodium carbonate:
(b) an effective amount of a hardness sequestering agent; and (c) an effective soil removing amount of nonionic surfactant composition comprising:
(i) a nonionic surfactant comprising a hydrophobic group and an -(EO)x group, wherein x is a number of about 1 to 100; and (ii) a silicone surfactant comprising a hydrophobic silicone group and a pendent hydrophilic polyalkylene oxide group;
wherein sodium carbonate is the sole source of alkalinity and the block has a mass of at least 100 grams and is packaged within a flexible wrapping and the dertergent exhibits enhanced waxy-fatty soil cleaning capacity; wherein the detergent in an aqueous solution exhibits a surface tension of less than 0.030 N/m.
23. The detergent of claim 21 wherein the silicone surfactant has the formula:

wherein PE represents -CH2- (CH2)p -O- (E)~(PO)n -Z, x is a number that ranges from about 0 to about 100, y is a number that ranges from about 1 to 100, x+y~1, p is 0 to 6. m and n are numbers that range from about 0 to about 50, m+n~1, and Z represents hydrogen or R and each R
represents a lower (C1-4) alkyl.
24. The detergent of claim 22 wherein the silicone surfactant has the formula:

wherein x represent a number that ranges from about 0 to about 100, y represent a number that ranges from about 1 to about 100, x+y ~ 1, a and b represent numbers that independently represent numbers that range from about 0 to about 60, a+b ~ 1 and R is hydrogen or a lower (C1-6) alkyl.
25. The detergent of claim 22 wherein the nonionic surfactant comprises a linear alcohol ethoxylate or an alkylphenol-ethoxylate.
26. The detergent of claim 22 wherein the nonionic surfactant comprises a benzyl capped CP-12 linear alcohol 6 to 16 mole ethoxylate.
27. The detergent of claim 23 wherein the sequestrant comprises an amino trialkylene phosphoric acid sodium salt.
28. The detergent of claim 27 wherein the sequestrant additionally comprises a 2-phosphono-butane-1,2, 4-tricarboxylic acid sodium salt, 1-hydroxyethylidene-1, 1-diphosphonic acid, diethylenatriamine-penta (methylenephosphonic acid) or mixtures thereof.
29. The detergent of claim 22 wherein the sequestrant comprises an amino trialkylene phosphoric acid sodium salt or a 2-phosphono-butane-1,2,4-tricarbaxylic acid sodium salt 1-hydroxyethylidene-1,1-diphosphonic acid, diethylenetriamine-penta(methylenephosphonic acid) or mixtures thereof.
30. The detergent of claim 22 wherein the sequestrant comprises sodium tripolyphosphate and amino trimethylene phosphonic acid sodium salt, 2-phosphono-butane-1,2,4-tricarboxylic acid or mixtures thereof.
31, The detergent composition of claim 22, wherein the detergent comprises:
(a) about 5 to 70 wt% of Na2CO3; and (b) about 3 to 40 wt% of a hardness sequestering agent selected from the group consisting of sodium tripolyphosphate, an organic phosphonate sequestrant, and mixtures thereof;
wherein the solid block detergent has a mass of at least 0.5 kilograms.
32. The detergent of claim 22 wherein the detergent is packaged in a flexible polyolefin film.
33. The detergent of claim 22 additionally comprising a chlorine source.
34. The detergent of claim 33 wherein the chlorine source comprises an encapsulated chlorine source.
35. A method of removing waxy/fatty soils from ware, said method comprising: contacting said ware with an alkaline detergent use solution composition, the use solution composition comprising:
(a) an effective soil removing amount of a source of sodium carbonate alkalinity; and (b) an effective soil removing amount of a nonionic surfactant blend comprising:
(i) a nonionic surfactant comprising a hydrophobic group and an -(EO) x group, wherein x is a number of about 1 to 100; and (ii) a nonionic silicone surfactant comprising a hydrophobic silicone group and a pendent hydrophilic polyalkylene oxide group to form clean ware; and rinsing the ware, wherein the detergent exhibits enhanced waxy-fatty soil removing capacity and a dilute use solution exhibits a surface tension of less than about 35 dynes/cm at a temperature of 160°F to achieve soil removal.
36. A method of removing waxy/fatty soils from ware, said method comprising: contacting said ware with an alkaline detergent use solution composition, the use solution composition comprising:
(a) an effective soil removing amount of a source of sodium carbonate alkalinity;
(b) an effective amount of a hardness sequestering agent; and (c) an effective soil removing amount of nonionic surfactant composition comprising:
(i) a nonionic surfactant comprising a hydrophobic group and an - (EO) x group, wherein x ie a number of about 1 to 100; and (ii) a silicone surfactant comprising a hydrophobic silicone group and a pendent hydrophilic polyalkylene oxide group to form clean ware; and rinsing the ware, wherein the block has a mass of at least 100 grams and is packaged within a flexible wrapping and the detergent exhibits enhanced waxy-fatty soil clcaning capacity and a dilute use solution comprising up to about 40 parts by weight of the nonionic silicone surfactant per each one million parts of the use solution exhibits a surface tension of less than about 35 dynes/cm at a temperature of 160°F to achieve soil removal.
37. A method of removing waxy/fatty soils from ware;
said method comprising: contacting said ware with an alkaline detergent use solution composition, the use solution composition comprising:
(a) an effective soil removing amount of a source of sodium carbonate alkalinity; and (b) an effective soil removing amount of a surfactant blend comprising a nonionic silicone surfactant comprising a hydrophobic silicone group and a pendent hydrophilic amphoteric amide group with the formula:

wherein PA is:

wherein x represent a number that ranges from about 0 to about 100, y represent a number that ranges from about 1 to about 100, a and b are numbers ranging from 0 to 60, a + b ~ 1 and R is H or lower (C1-6) alkyl to form clean ware; and rinsing the ware; and wherein the detergent exhibits enhanced waxy-fatty soil removing capacity and a dilute use solution comprising up to about 40 parts by weight of the nonionic silicone surfactant per each one million parts of the use solution exhibits a surface tension of less than about 35 dynes/cm at a temperature of 160°F to achieve soil removal.
38. A method of removing waxy/fatty soils from ware, said method comprising contacting said ware with an alkaline detergent use solution composition, the use solution composition comprising:
(a) an effective soil removing amount of a source of sodium carbonate alkalinity;
(b) an effective amount of a hardness sequestering agent; and (c) an effective soil removing account of a surfactant blend comprising a nonionic surfactant and a nonionic silicone surfactant comprising a hydrophobic silicone group and a pendent hydrophilic amphoteric amide group with the formula:
wherein PA is:

wherein x represent a number that ranges from about 0 to about 100, y represent a number that ranges from about 1 to about 100, a and b represent numbers from 0 to 60, a + b ~ 1 and R is H or a lower (C1-6) alkyl, to form clean ware; and rinsing the clean ware; and wherein the block hag a mass of at least 100 grams and is packaged within a flexible wrapping and the detergent exhibits enhanced waxy-fatty soil cleaning capacity and a dilute use solution comprising up to about 40 parts by weight of the nonionic silicone surfactant per each one million parts of the use solution exhibits a surface tension of less than about 35 dynes/cm at a temperature of 160°F to achieve soil removal.
CA2277029A 1997-01-13 1998-01-06 A combination of a nonionic silicone surfactant and a nonionic surfactant in a solid block detergent Expired - Lifetime CA2277029C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/782,336 US6489278B1 (en) 1993-12-30 1997-01-13 Combination of a nonionic silicone surfactant and a nonionic surfactant in a solid block detergent
US08/782,336 1997-01-13
PCT/US1998/000452 WO1998030662A1 (en) 1997-01-13 1998-01-06 A combination of a nonionic silicone surfactant and a nonionic surfactant in a solid block detergent

Publications (2)

Publication Number Publication Date
CA2277029A1 true CA2277029A1 (en) 1998-07-16
CA2277029C CA2277029C (en) 2010-05-25

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CA2277029A Expired - Lifetime CA2277029C (en) 1997-01-13 1998-01-06 A combination of a nonionic silicone surfactant and a nonionic surfactant in a solid block detergent

Country Status (15)

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US (6) US6489278B1 (en)
EP (1) EP0971996A1 (en)
JP (1) JP4166836B2 (en)
KR (1) KR100504017B1 (en)
CN (1) CN100335604C (en)
AR (1) AR015341A1 (en)
AU (1) AU739007B2 (en)
BR (1) BR9806734A (en)
CA (1) CA2277029C (en)
ID (1) ID22452A (en)
MY (1) MY120961A (en)
NZ (1) NZ336349A (en)
TW (1) TW408175B (en)
WO (1) WO1998030662A1 (en)
ZA (1) ZA9710544B (en)

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