WO1998014544A1 - Use of alkyl polyglycoside for improved hard surface detergency - Google Patents
Use of alkyl polyglycoside for improved hard surface detergency Download PDFInfo
- Publication number
- WO1998014544A1 WO1998014544A1 PCT/US1997/017119 US9717119W WO9814544A1 WO 1998014544 A1 WO1998014544 A1 WO 1998014544A1 US 9717119 W US9717119 W US 9717119W WO 9814544 A1 WO9814544 A1 WO 9814544A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cleaning composition
- composition
- alkyl polyglycoside
- weight
- hard surface
- Prior art date
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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
- C11D1/662—Carbohydrates or derivatives
Definitions
- the present invention generally relates to a composition and process for
- alkyl polyglycoside surfactant in a hard surface cleaning composition enhanced
- Hard surface cleaning compositions are a relatively specialized category
- a hard surface cleaning composition is specifically
- hard surface cleaners contain surface active agents
- Nonionic surfactants are probably the most prevalent in hard surface cleaning compositions. Examples of nonionic surfactants
- surfactants most often employed include ethoxylated nonyl-phenols, particularly
- alkoxylated alkyl esters linear alcohol ethoxylates, particularly a linear alcohol
- alkyl polglycoside surfactants perform adequately, in terms of soil
- the present invention is thus directed to a cleaning composition
- R. is a monovalent organic radical having 10 carbon atoms
- Z is a
- the present invention is also directed to a process for making a cleaning
- the alkyl polyglycoside employed in the hard surface cleaning employed in the hard surface cleaning
- composition of the present invention has the formula I:
- R. is a monovalent organic radical having about 10 carbon atoms
- Z is
- a is a number having a
- the alkyl polyglycoside of formula I may be employed in a hard surface
- weight and preferably from about 1 to about 3% by weight, based on the weight
- the cleaning composition may vary in terms of its formulation
- compositions typically found in cleaning compositions include:
- anionic surfactants builders, viscosity regulators, hydrotropes, water-insoluble
- abrasives abrasives, moisturizing agents, enzymes, perfumes, coloring agents,
- viscosity regulators include ethyl alcohol, glycerol, propylene glycol, and
- Suitable hydrotropes include lower alkylbenzene sulfonates,
- Suitable water-insoluble abrasives include calcite,
- silica calcium phophate, zeolite, polyethylene, nylon and polystyrene.
- polyglycosides it may also be desirable to employ a foam stabilizer in the
- foam stabilizers examples include betaines,
- alkanolamides amine oxides, and mixtures thereof.
- the crux of the present invention involves the
- the hard surface cleaning composition of the present invention is a preferred embodiment, the hard surface cleaning composition of the present
- cleaning composition of the present invention may be formulated in either
- the present invention also provides a process for making a hard surface
- the alkyl polyglycoside is preferably added in an
- the alkyl polyglycoside of formula is preferably added to a hard surface cleaning
- composition which is free of any ethoxylated surface active agents
- the reflectance of an unsoiled vinyl tile was first measured. The rough
- test solution 200 ml was added to the wash tray and allowed
- test panels were scrubbed with a synthetic sponge for 40
- Steps 1-4 were repeated for a total of four panels for each test
- Alkyl polyglycosides having varying carbon chain lengths and degrees of
- o 220 C8-10 alkyl polyglycoside having a DP of 1.52.
- NP-9 nonyl-phenol having 9 moles of ethylene oxide.
- LAE 91-6 linear 9 to 11 carbon alcohol with 6 moles of ethylene oxide.
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (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 hard surface cleaning composition comprising an alkyl polyglycoside of formula (I): R1O(Z)a, wherein R1 is a monovalent organic radical having 10 carbon atoms, Z is a saccharide residue having 5 or 6 carbon atoms, and a is a number having a value of about 1.3.
Description
USE OF ALKYL POLYGLYCOSIDE FOR IMPROVED HARD SURFACE
DETERGENCY
Field of the Invention:
The present invention generally relates to a composition and process for
enhancing hard surface detergency. More particularly, by employing a specific
alkyl polyglycoside surfactant in a hard surface cleaning composition, enhanced
hard surface detergency can be obtained.
Background of the Invention:
Hard surface cleaning compositions are a relatively specialized category
of cleaning compositions. A hard surface cleaning composition is specifically
designed or formulated such that it can be applied to a soiled hard surface of
interest, such as, glass, painted walls, woodwork, tiles, and the like, and
removed therefrom without a subsequent rinsing operation and without leaving
a significant or unsightly residual film upon the surface after cleaning.
In many instances, hard surface cleaners contain surface active agents,
such as nonionic and anionic surfactants, which aid in removing soil present on
the hard surface to be cleaned. Nonionic surfactants are probably the most
prevalent in hard surface cleaning compositions. Examples of nonionic
surfactants most often employed include ethoxylated nonyl-phenols, particularly
a nonyl-phenol having 9 moles of ethylene oxide, alkoxylated alkyl ethers,
alkoxylated alkyl esters, linear alcohol ethoxylates, particularly a linear alcohol
having from 9 to 11 carbons and 6 moles of ethylene oxide, alkyl polyglycosides,
and the like.
While alkyl polglycoside surfactants perform adequately, in terms of soil
removal, their detergency properties have traditionally been inferior as compared
to linear alcohol ethoxylates and nonyl-phenol ethoxylates.
Summary of the Invention:
It has surprisingly been found, however, that a specific alkyl polyglycoside
actually outperforms, in terms of soil removal, both linear alcohol ethoxylates
and nonyl-phenol ethoxylates, as well as other alkyl polglycosides.
The present invention is thus directed to a cleaning composition
containing an alkyl polyglycoside of formula I:
R10(Z)a I
wherein R. is a monovalent organic radical having 10 carbon atoms, Z is a
saccharide residue having 5 or 6 carbon atoms, and a is a number having a
value of about 1.3.
The present invention is also directed to a process for making a cleaning
composition having enhanced detergency properties involving adding to the
cleaning composition an alkyl polyglycoside of formula I:
RιO(Z). I wherein R. is a monovalent organic radical having 10 carbon atoms, and a is a
number having a value of about 1.3.
Description of the Invention:
Other than in the operating examples, or where otherwise indicated, all
numbers expressing quantities of ingredients or reaction conditions used herein
are to be understood as being modified in all instances by the term "about".
The alkyl polyglycoside employed in the hard surface cleaning
composition of the present invention has the formula I:
R- Z). (I) wherein R. is a monovalent organic radical having about 10 carbon atoms, Z is
a saccharide residue having 5 or 6 carbon atoms, and a is a number having a
value of about 1.3.
The alkyl polyglycoside of formula I may be employed in a hard surface
cleaning composition in an amount ranging from about 0.5 to about 10% by
weight, and preferably from about 1 to about 3% by weight, based on the weight
of the cleaning composition.
The cleaning composition may vary in terms of its formulation
components. Components typically found in cleaning compositions include:
anionic surfactants, builders, viscosity regulators, hydrotropes, water-insoluble
abrasives, moisturizing agents, enzymes, perfumes, coloring agents,
preservatives, antifungal agents, and the like.
Examples of suitable builders which may be used include, but are not
limited to, TSPP, STPP, silicates and citrates. Similarly, examples of suitable
viscosity regulators include ethyl alcohol, glycerol, propylene glycol, and
inorganic salts. Suitable hydrotropes include lower alkylbenzene sulfonates,
urea, and lower alkyl sulfates. Suitable water-insoluble abrasives include calcite,
silica, calcium phophate, zeolite, polyethylene, nylon and polystyrene.
Due to the high foamability associated with the use of alkyl
polyglycosides, it may also be desirable to employ a foam stabilizer in the
cleaning composition. Examples of suitable foam stabilizers include betaines,
alkanolamides, amine oxides, and mixtures thereof.
Auxilliaries which further enhance the cleaning composition's detergency
properties may also be included therein. Examples of suitable auxilliaries which
may be used include, but are not limited to, sodium hydroxide, potassium
hydroxide, TEA and MEA.
While the specific formulation of a cleaning composition will be
determined based on the particular use envisioned by those skilled in the art of
hard surface cleaning formulation, the crux of the present invention involves the
use of the above-disclosed alkyl polyglycoside in the cleaning composition. In
a preferred embodiment, the hard surface cleaning composition of the present
invention is free of any ethoxylated surface active agents, and particularly
ethoxylated linear alcohols and nonyl-phenols. It should also be noted that the
cleaning composition of the present invention may be formulated in either
concentrated or ready-to-use form.
The present invention also provides a process for making a hard surface
cleaning composition having enhanced detergency properties. The process
involves adding, to the cleaning composition, the above-disclosed alkyl
polyglycoside of formula I. The alkyl polyglycoside is preferably added in an
amount ranging from about 0.5 to about 10% by weight, and preferably from
about 1 to about 3% by weight, based on the weight of the cleaning composition.
The alkyl polyglycoside of formula is preferably added to a hard surface cleaning
composition which is free of any ethoxylated surface active agents, and
particularly ethoxylated linear alcohols and nonyl-phenols.
By incorporating the above-disclosed alkyl polyglycoside of formula I into
a cleaning composition, improvements in both detergency and wettability are
realized.
The present invention will be better understood from the examples which
follow, all of which are intended to be illustrative only and not meant to unduly
limit the scope of the invention. Unless otherwise indicated, percentages are on
a weight-by-weight basis.
EXAMPLES
TEST METHOD FOR THE EVALUATION OF DETERGENCY PERFORMANCE
H1 Test Soil:
kerosene 10Og
mineral oil 100g
10W motor oil 10g
oil dag* 5g
bandy black clay 75g
(*) oil dag = mineral oi carbon black of 5:1
Test Substrate = 3"x3" vinyl tiles
The reflectance of an unsoiled vinyl tile was first measured. The rough
side of the tile was then coated with 0.5 ml of the test soil in the direction of its
grain, using a nylon brush. The panel was then allowed to dry for 20 minutes at
room temperature, and then dried for an additional 20 minutes at 100°C, and
then again allowed to dry for a final 20 minutes at room temperature.
Cleaning Operation:
1. Two soiled test panels were placed in a Gardner Apparatus wash
tray, with the "grain" parallel to the direction of sponge travel.
2. 200 ml of the test solution was added to the wash tray and allowed
to stand for one minute.
3. The test panels were scrubbed with a synthetic sponge for 40
cycles, rotating the panel 90° after 20 cycles.
4. The panels were then rinsed with deionized water and dried at
room temperature for approximately one hour.
5. Steps 1-4 were repeated for a total of four panels for each test
solution.
Alkyl polyglycosides having varying carbon chain lengths and degrees of
polymerization, as well as ethoxylated nonyl-phenols and linear alcohols, were
placed into solution and tested to determine their performance properties. The
results thereof are found in Table 1 , below.
Table 1
SURFACTANT 220 425 10 io C,o NP-9 LAE 91-6
APG® APG® APG® DP 1.29 DP 1.58 DP 1.69
ROSS-MILES FOAM, 140 140 145 135 130 130 95 MM 0.1 %, 25°C
ROSS-MILES FOAM, 150 150 150 150 150 140 110 0.1 %, 49°C
DRAVES WETTING 27 24 7 15 14 11 5 SEC 0.1%, 25°C
CMC, WT.%, 25°C 0.02 0.005 0.036 0.037 - 0.0035 0.025 0 SURFACE TENSION, 60.8 46.4 64.1 62.8 — 42.0 53.0 25° C dyn/cm 0.001%
" 0.01% 38.4 28.9 38.6 39.8 ... 32.0 33.0
" 0.1 % 28.0 28.5 28.4 29.0 — 32,0 29.0
% SOIL REMOVAL, H1 49.6 49.8 57.2 49.3 49.6 49.4 50.2 5 METHOD, 1.0%
HYDROTROPE 0.67 0.96 0.67 0.51 0.49 NA NA POWER, % ACTIVE TO COUPLE STD, SOLN.
o 220 = C8-10 alkyl polyglycoside having a DP of 1.52.
425 = C8-16 alkyl polyglycoside having a DP of 1.48.
NP-9 = nonyl-phenol having 9 moles of ethylene oxide.
LAE 91-6 = linear 9 to 11 carbon alcohol with 6 moles of ethylene oxide.
As can be seen from the data contained in Table 1 above, the alkyl
5 polyglycoside having 10 carbon atoms and a degree of polymerization of 1.29
yields the optimum degree of both soil removal and wettability, as compared to
the other alkyl polyglycosides, and ethoxylated surface active agents that were
tested.
Claims
1. A hard surface cleaning composition comprising an alkyl polyglycoside of
formula I:
R1O(Z)a I
wherein R. is a monovalent organic radical having 10 carbon atoms, Z is a
saccharide residue having 5 or 6 carbon atoms, and a is a number having a
value of about 1.3.
2. The composition of claim 1 wherein the alkyl polyglycoside of formula I is
present in the cleaning composition in an amount ranging from about 0.5 to
about 10% by weight, based on the weight of the cleaning composition.
3. The composition of claim 1 wherein the composition further contains a
component selected from the group consisting of an anionic surfactant, a builder,
a viscosity regulator, a hydrotrope, a water-insoluble abrasive, a moisturizing
agent, an enzyme, a perfume, a coloring agent, a preservative, an antifungal
agent, a foam stabilizer, and mixtures thereof.
4. The composition of claim 1 wherein the composition is free of any
ethoxylated surface active agents.
5. A hard surface cleaning composition comprising from about 0.5 to about
10% by weight, based on the weight of cleaning composition, of an alkyl
polyglycoside of formula I:
R1O(Z)a I
wherein R< is a monovalent organic radical having 10 carbon atoms, Z is a
saccharide residue having 5 or 6 carbon atoms, and a is a number having a value of about 1.3.
6. The composition of claim 5 wherein the composition is free of any
ethoxylated surface active agents.
7. A process for making a hard surface cleaning composition having
enhanced detergency properties comprising adding an alkyl polyglycoside of
formula I:
RιO(Z). I wherein R1 is a monovalent organic radical having 10 carbon atoms, and a is a
number having a value of about 1.3, to the cleaning composition.
8. The process of claim 7 wherein from about 0.5 to about 10% by weight,
based on the weight of the cleaning composition, of the alkyl polyglycoside of
formula I is added to the cleaning composition.
9. The process of claim 7 wherein the cleaning composition further contains
a component selected from the group consisting of an anionic surfactant, a
builder, a viscosity regulator, a hydrotrope, a water-insoluble abrasive, a
moisturizing agent, an enzyme, a perfume, a coloring agent, a preservative, an
antifungal agent, a foam stabilizer, and mixtures thereof.
10. The process of claim 7 wherein the composition is free of any ethoxylated
surface active agents.
11. A process for making a hard surface cleaning composition having
enhanced detergency properties comprising adding from about 0.5 to about 10%
by weight, based on the weight of the cleaning composition, of an alkyl
polyglycoside of formula I: Rιθ(Z)a i
wherein R. is a monovalent organic radical having 10 carbon atoms, and a is a
number having a value of about 1.3, to the cleaning composition.
12. The process of claim 11 wherein the composition is free of any
ethoxylated surface active agents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU44987/97A AU4498797A (en) | 1996-10-03 | 1997-09-29 | Use of alkyl polyglycoside for improved hard surface detergency |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72497396A | 1996-10-03 | 1996-10-03 | |
| US08/724,973 | 1996-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1998014544A1 true WO1998014544A1 (en) | 1998-04-09 |
Family
ID=24912620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1997/017119 WO1998014544A1 (en) | 1996-10-03 | 1997-09-29 | Use of alkyl polyglycoside for improved hard surface detergency |
Country Status (2)
| Country | Link |
|---|---|
| AU (1) | AU4498797A (en) |
| WO (1) | WO1998014544A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4627931A (en) * | 1985-01-29 | 1986-12-09 | A. E. Staley Manufacturing Company | Method and compositions for hard surface cleaning |
| US4780234A (en) * | 1986-05-06 | 1988-10-25 | Staley Continental, Inc. | Built liquid laundry detergent containing alkyl glycoside surfactant |
| EP0487262A2 (en) * | 1990-11-20 | 1992-05-27 | Unilever Plc | Detergent compositions |
| US5308531A (en) * | 1992-08-31 | 1994-05-03 | Henkel Corporation | Pine-oil containing hard surface cleaning composition |
-
1997
- 1997-09-29 AU AU44987/97A patent/AU4498797A/en not_active Abandoned
- 1997-09-29 WO PCT/US1997/017119 patent/WO1998014544A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4627931A (en) * | 1985-01-29 | 1986-12-09 | A. E. Staley Manufacturing Company | Method and compositions for hard surface cleaning |
| US4780234A (en) * | 1986-05-06 | 1988-10-25 | Staley Continental, Inc. | Built liquid laundry detergent containing alkyl glycoside surfactant |
| EP0487262A2 (en) * | 1990-11-20 | 1992-05-27 | Unilever Plc | Detergent compositions |
| US5308531A (en) * | 1992-08-31 | 1994-05-03 | Henkel Corporation | Pine-oil containing hard surface cleaning composition |
Also Published As
| Publication number | Publication date |
|---|---|
| AU4498797A (en) | 1998-04-24 |
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