Development of extensional viscosity for reduced atomization for diluted concentrate sprayer applications
A non-Newtonian concentrate composition includes a sensitizer or irritant, a surfactant, an anti-mist component and optionally a stability component. Example sensitizers and irritants include, but are not limited to, acids, quaternary compounds, and amines, and example anti-mist components include, but are not limited to, polyethylene oxide and polyacrylamide.
1. An aqueous concentrate composition, comprising
at least one fatty acid comprising hexanoic acid, butyric acid, octanoic acid, heptanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, or a combination thereof, wherein the at least one fatty acid comprises from about 7% to about 45% by weight of the composition,
at least one surfactant, wherein the at least one surfactant comprises from about 0.1% to about 30% by weight of the composition, and
an anti-mist component comprising polyethylene oxide, polyacrylamide or a combination thereof, wherein the anti-mist component comprises from about 0.01% to about 0.3% by weight of the composition;
wherein the composition is non-Newtonian and comprises a viscosity of less than about 40 centipoise.
2. The composition of claim 1 , further comprising a stability component, wherein the stability component comprises from about 0.1% to about 10% by weight of the composition.
3. The composition of claim 2 , wherein the stability component comprises propylene glycol or glycerine.
4. The composition of claim 1 , wherein the composition comprises a pH of about 4.5 or lower.
5. The composition of claim 1 , further comprising a fragrance or dye.
6. The composition of claim 1 , comprising
about 7% to about 35% by weight of the at least one acid;
about 1.5% to about 12% by weight of the at least one surfactant;
about 0.01% to about 0.3% by weight of the anti-mist component; and
about 45% to about 75% by weight of water.
7. A non-Newtonian aqueous concentrate composition comprising:
a quaternary compound, wherein the quaternary compound comprises from about 5% to about 40% by weight of the composition, and
an anti-mist component comprising polyethylene oxide having a molecular weight of about 3,000,000 to about 7,000,000 daltons, wherein the anti-mist component constitutes from about 0.1% to about 0.3% by weight of the composition;
wherein the composition is non-Newtonian and comprises a viscosity of less than about 40 centipoise.
8. The composition of claim 7 , wherein the anti-mist component further comprises polyacrylamide.
9. The composition of claim 7 , further comprising from about 0.1% to 10% by weight of an antioxidant, chelant, or solvent.
10. The composition of claim 9 , wherein the solvent comprises propylene glycol or glycerine.
11. The composition of claim 7 , further comprising about 0.002% to about 1% by weight of a dye or fragrance.
12. The composition of claim 7 , further comprising about 7% to about 35% by weight of acid, wherein the acid comprises phosphoric acid, citric acid, lactic acid, or methane sulfonic acid.
13. The composition of claim 7 , further comprising about 7% to about 35% by weight of a fatty acid, wherein the fatty acid comprises hexanoic acid, butyric acid, octanoic acid, heptanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, or a combination thereof.
14. The composition of claim 7 , further comprising a surfactant.
15. The composition of claim 7 , wherein the quaternary compound comprises a quaternary ammonium compound.
16. An aqueous concentrate composition comprising:
about 5% to about 40% by weight of a quaternary compound, and
about 0.5% to about 20% by weight of an anti-mist component comprises polyacrylate;
wherein the composition is non-Newtonian and comprises a viscosity of less than about 40 centipoise.
17. The composition of claim 16 , further comprising between about 0.1% and 10% of an antioxidant, chelant, or solvent.
18. The composition of claim 17 , wherein the solvent comprises propylene glycol or glycerine.
19. The composition of claim 16 , further comprising a dye or fragrance.
20. The composition of claim 16 , wherein the quaternary compound comprises a quaternary ammonium compound.
21. An aqueous concentrate composition, comprising:
about 7% to about 45% by weight of fatty acid, wherein the fatty acid comprises hexanoic acid, butyric acid, octanoic acid, heptanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, or a combination thereof,
about 0.1% to about 30% by weight of surfactant; the aqueous concentrate composition, and
about 0.5% to about 20% by weight of an anti-mist component comprising polyacrylate;
wherein the composition is non-Newtonian and comprises a viscosity of less than about 40 centipoise.