De-icing agent and method for melting snow and ice
View Patent ↗A de-icing agent containing a) between 45 and 55 wt. % of an alkali metal acetate, b) between 0.001 and 1.0 wt. % of a surfactant, c) between 0.0001 and 1.0 wt. % of an anti-foaming agent, d) between 0.001 and 1.0 wt. % of a corrosion inhibitor, and a sufficient amount of water to complete 100 wt. %.
1. A deicing composition comprising:
a) from 45 to 55% by weight of an alkali metal acetate,
b) from 0.001 to 1% by weight of an alkyl (poly)glycoside,
c) from 0.0001 to 1% by weight of a defoamer,
d) from 0.001 to 1% by weight of a corrosion inhibitor, and
water to 100% by weight.
2. The deicing composition as claimed in claim 1 , wherein the amount of constituent a) is between 47 and 53% by weight.
3. The deicing composition as claimed in claim 1 , wherein the amount of constituent a) is between 48 and 52% by weight.
4. The deicing composition as claimed in claim 1 , wherein constituent a) is potassium acetate.
5. The deicing composition as claimed in claim 1 , wherein the amount of constituent b) is between 0.01 to 0.5% by weight.
6. The deicing composition as claimed in claim 1 , wherein the amount of constituent c) is between 0.0002 to 0.1% by weight.
7. The deicing composition as claimed in claim 1 , wherein constituent c) is a polysiloxane.
8. The deicing composition as claimed in claim 1 , wherein the amount of constituent d) is between 0.01 to 0.7% by weight.
9. The deicing composition as claimed in claim 1 , wherein constituent d) is selected from the group consisting of an alkali metal phosphate, alkali metal borate, alkali metal silicate and mixtures thereof.
10. A method of melting snow or ice on a traffic comprising the step of applying from 5 to 100 g/m 2 of the deicing composition as claimed in claim 1 to the traffic area.
11. A method of melting snow or ice on a surface comprising the step of applying from 5 to 100 g/m 2 of the deicing composition as claimed in claim 1 to the surface.