Low volatile organic compounds cleaner composition
View Patent ↗Disclosed herein are low volatile organic compound cleaner compositions which include a diethylene glycol monoalkyl ether, benzyl alcohol, and a fluorosurfactant. Also disclosed are low volatile organic compound cleaner compositions which include a diethylene glycol monoalkyl ether, benzyl alcohol, and an ethanolamine. Methods of using the compositions are also provided.
1. A cleaner composition comprising: from about 5% by weight to about 30% by weight diethylene glycol monobutyl ether; from about 5% by weight to about 25% by weight diethylene glycol monoethyl ether; benzyl alcohol; and a fluorosurfactant.
2. The composition of claim 1 , further comprising an ethanolamine.
3. The composition of claim 2 , wherein the ethanolamine is selected from the group consisting of monoethanolamine, diethanolamine and triethanolamine.
4. The composition of claim 2 , wherein the diethylene glycol monobutyl ether and the ethanolamine are present in a weight ratio of from about 6:1 to about 2:1.
5. The composition of claim 1 , further comprising a base.
6. The composition of claim 5 , wherein the base is selected from the group consisting of sodium hydroxide, potassium hydroxide, ammonium hydroxide.
7. The composition of claim 1 , wherein the pH of the composition is 8.0 or higher.
8. The composition of claim 1 , wherein the pH of the composition is about 12.0 or higher.
9. The composition of claim 1 wherein the fluorosurfactant is a non-ionic fluorosurfactant.
10. The composition of claim 1 , further comprising a chelator.
11. The composition of claim 1 , further comprising a hydrotrope.
12. The composition of claim 1 , wherein the diethylene glycol monobutyl ether and the diethylene glycol monoethyl ether are present in a weight ratio of from about 4:1 to about 1:1.
13. The composition of claim 1 , wherein the diethylene glycol monobutyl ether and the benzyl alcohol are present in a weight ratio of from about 5:1 to about 2:1.
14. The composition of claim 1 , wherein the composition comprises from about 50 ppm to about 2500 ppm of a fluorosurfactant.
15. The composition of claim 1 , wherein the composition comprises from about 5% by weight to about 30% by weight diethylene glycol monobutyl ether; from about 5% by weight to 20% by weight diethylene glycol monoethyl ether; from about 1% by weight to about 10% by weight benzyl alcohol; and from about 0.05% by weight to about 1% by weight fluorosurfactant.
16. The composition of claim 15 , further comprising from about 1% by weight to about 10% by weight ethanolamine.
17. The composition of claim 1 , wherein the composition comprises about 14% by weight diethylene glycol monobutyl ether; about 10% by weight diethylene glycol monoethyl ether; about 5% by weight benzyl alcohol; and about 0.1% by weight fluorosurfactant.
18. The composition of claim 17 , further comprising about 4% by weight monoethanolamine.
19. The composition of claim 1 , wherein the diethylene glycol monoethyl ether and the benzyl alcohol are present in a weight ratio of from about 4:1 to about 1:1.
20. The composition of claim 2 , wherein the diethylene glycol monoethyl ether and the ethanolamine are present in a weight ratio of from about 4:1 to about 2:1.
21. The composition of claim 1 , wherein the diethylene glycol monobutyl ether and diethylene glycol monoethyl ether together comprise at least about 20% by weight of the composition.