Antifogging compositions and methods for using the same
View Patent ↗An antifogging composition for food packaging containers comprising (i) an antifogging nonionic surfactant blend comprising a fatty acid ester and an ethoxylated compound and (ii) acetone. An antifogging composition comprising (i) an antifogging nonionic surfactant blend comprising a fatty acid ester and an ethoxylated compound and (ii) a solvent selected from methyl acetate, isopropyl alcohol, ethanol, and mixtures thereof. A method of defogging a food packaging container surface comprising selecting a surface; providing (i) an antifogging nonionic surfactant blend comprising a fatty acid ester and an ethoxylated compound and (ii) acetone to form an antifogging composition; and applying the antifogging composition to the surface. A method of defogging a food packaging container surface comprising selecting a surface; providing (i) an antifogging nonionic surfactant blend comprising a fatty acid ester and an ethoxylated compound and (ii) a solvent selected from methyl acetate, isopropyl alcohol, ethanol, and mixtures thereof to form an antifogging composition; and applying the antifogging composition to the surface.
1. An antifogging composition for reducing fog in a food packaging container comprising:
an antifogging nonionic surfactant blend comprising a sorbitan ester and an ethoxylated alkyl phenol; and
solvent.
2. The antifogging composition of claim 1 , wherein the food packaging container includes a surface comprising a polymeric substrate.
3. The antifogging composition of claim 2 , wherein the polymeric substrate is polystyrene.
4. The antifogging composition of claim 2 , wherein the polymeric substrate is selected from polypropylene and polyethylene terephthalate.
5. The antifogging composition of claim 1 , wherein the solvent comprises from about 5 wt % to about 50 wt. % of the antifogging composition.
6. The antifogging composition of claim 1 , wherein the antifogging composition has a viscosity ranging from about 20 centipoise to about 500 centipoise at room temperature.
7. The antifogging composition of claim 1 , wherein the antifogging nonionic surfactant blend has a viscosity ranging from about 500 centipoise to about 1500 centipoise at room temperature.
8. The antifogging composition of claim 1 , wherein the sorbitan ester is sorbitan monolaurate.
9. The antifogging composition of claim 1 , wherein the ethoxylated alkyl phenol is in a mixture including a mixed glyceride with a C 8 to C 20 fatty acid adduct.
10. The antifogging composition of claim 1 , wherein the antifogging nonionic surfactant blend comprises from about 50 wt. % to about 95 wt. % of the antifogging composition.
11. The antifogging composition of claim 1 , wherein the solvent is acetone.
12. The antifogging composition method of claim 1 , wherein the solvent is selected from acetone, methyl acetate, isopropyl alcohol, ethanol, and any mixture thereof.
13. A method of defogging a surface of a food packaging container comprising:
selecting a surface for defogging;
providing (i) an antifogging nonionic surfactant blend comprising a sorbitan ester and an ethoxylated alkyl phenol and (ii) solvent to form an antifogging composition; and
applying the antifogging composition to the surface.
14. The method of claim 13 , further including the step of drying the antifogging composition.
15. The method of claim 13 , wherein the step of applying is accomplished by spraying the antifogging composition onto the surface.
16. The method of claim 13 , wherein the step of applying is accomplished by wiping the antifogging composition onto the surface.
17. The method of claim 13 , wherein the surface is a polymeric surface.
18. The method of claim 17 , wherein the polymeric substrate is polystyrene.
19. The method of claim 17 , wherein the polymeric substrate is selected from polypropylene and polyethylene terephthalate.
20. The method of claim 13 , wherein the solvent comprises from about 5 wt. % to about 50 wt. % of the antifogging composition.
21. The method of claim 13 , wherein the antifogging composition has a viscosity ranging from about 20 centipoise to about 500 centipoise at room temperature.
22. The method of claim 13 , wherein the antifogging nonionic surfactant blend has a viscosity ranging from about 500 centipoise to about 1500 centipoise at room temperature.
23. The method of claim 13 , wherein the antifogging nonionic surfactant blend comprises from about 50 wt. % to about 95 wt. % of the antifogging composition.
24. The method of claim 13 , wherein the ethoxylated alkyl phenol is in a mixture including a mixed glyceride with a C 8 to C 20 fatty acid adduct.
25. The method of claim 13 , wherein the sorbitan ester is sorbitan monolaurate.
26. The method of claim 13 , wherein the solvent is acetone.
27. The method of claim 13 , wherein the solvent is selected from acetone, methyl acetate, isopropyl alcohol, ethanol, and any mixture thereof.