Reduced misting alkaline cleaners using elongational viscosity modifiers
Alkaline spray-on cleaners that can be delivered by pump or pressurized gas aerosol spray have been made with reduced choking mists are disclosed. The cleaning composition comprises the use of anti-mist components consisting of large anionic copolymer comprised of acrylamide and AMPS (acrylamide-sodium 2-acrylamido-2-methylpropane sulfonate), and polyethylene oxide polymers that create non-Newtonian solutions. The composition also includes a surfactant, and a source of alkalinity.
1. A sprayable alkaline cleaning composition with reduced misting comprising:
(a) a source of alkalinity;
(b) a surfactant;
(c) an effective amount of an anti-mist component comprising an anionic copolymer comprised of acrylamide and AMPS (acrylamide-sodium 2-acrylamido-2-methylpropane sulfonate) with a molecular weight of between about 800,000 and 16,000,000 daltons; and
(d) water, wherein the composition is a non-Newtonian composition having a viscosity of less than about 40 centipoise.
2. The alkaline cleaning composition of claim further comprising polyethylene oxide.
3. The alkaline cleaning composition of claim 1 , wherein the source of alkalinity is an alkali metal hydroxide.
4. The alkaline cleaning composition of claim 1 wherein water constitutes between about 25% and about 98% by weight of the aqueous composition, the source of alkalinity constitutes between about 0.1% and about 35% by weight of the aqueous composition, the surfactant constitutes between about 0.1% and about 20% by weight of the aqueous composition, and the anti-mist component is acrylamide and AMPS (acrylamide-sodium 2-acrylamido-2-methylpropane sulfonate) constitutes between about 0.001% and about 1.0% by weight of the aqueous composition.
5. The alkaline cleaning composition of claim 1 wherein water constitutes between about 35% and about 95% by weight of the aqueous composition, the source of alkalinity constitutes between about 0.5% and about 30% by weight of the aqueous composition, the surfactant constitutes between about 0.5% and about 15% by weight of the aqueous composition, and the anti-mist component is acrylamide and AMPS (acrylamide-sodium 2-acrylamido-2-methylpropane sulfonate) and constitutes between about 0.005% and about 0.5% by weight of the aqueous composition.
6. The composition of claim 1 wherein the median airborne aerosol particle size is greater than about 200 μm.
7. The composition if claim 6 wherein said airborne aerosol particle size is from a trigger sprayer.
8. The composition of claim 1 wherein said composition is a dilutable concentrate.
9. The composition of claim 1 wherein said composition is a ready to use composition.
10. The composition of claim 1 further comprises a metal protector.
11. A sprayable aqueous grease removing composition formulated to reduce the formation of a choking aerosol when sprayed, the composition comprises:
(a) an effective cleaning amount of a source of alkalinity;
(b) an effective amount of a surfactant of cocamidopropyl betaine, and/or lauryl dimethyl amine oxide;
(c) an effecting thickening amount of an anti-mist component selected from the group consisting of polyethylene oxide, and/or an anionic copolymer comprised of acrylamide and AMPS (acrylamide-sodium 2-acrylamido-2-methylpropane sulfonate) and combinations thereof, and
(d) water; wherein the alkaline composition obtains a median airborne aerosol particle size of greater than about 170 μm when sprayed.
12. The composition of claim 11 wherein the source of alkalinity is an alkali metal hydroxide.
13. A sprayable aqueous grease removing composition formulated to reduce the formation of a choking aerosol when sprayed, the composition comprises:
(a) an effective cleaning amount of a source of alkalinity;
(b) an effective amount of a surfactant;
(c) an effecting thickening amount of an anti-mist component selected from the group consisting of polyethylene oxide, and/or an anionic copolymer comprised of acrylamide and AMPS (acrylamide-sodium 2-acrylamido-2-methylpropane sulfonate) and combinations thereof,
c) a solvent of benzyl alcohol and
(d) water; wherein the alkaline composition obtains a median airborne aerosol particle size of greater than about 170 μm when sprayed.