Compositions and methods for decontamination
View Patent ↗The disclosure relates to compositions, methods for making the compositions, and methods for decontaminating substrates wherein the decontaminating compositions comprise a mixture of a peroxide solution and a surfactant composition, wherein (i) the surfactant composition comprises: (a) from about 20% to about 40% xanthan gum, (b) from about 10% to about 25% levulinic acid, (c) from about 32% to about 63% ethyl lactate, and (d) from about 3% to about 7% polyoxyethylene (20) sorbitan monooleate, wherein all weights are relative to the total weight of the surfactant composition, (ii) the peroxide solution comprises from about 1% to about 12% hydrogen peroxide, and the mixture comprises from about 0.001 g to about 10 g of the surfactant composition per liter of the peroxide solution.
1 . A decontaminating composition comprising a mixture of a peroxide solution and a surfactant composition, wherein
(i) the surfactant composition comprises:
(a) from about 20% to about 40% xanthan gum,
(b) from about 10% to about 25% levulinic acid,
(c) from about 32% to about 63% ethyl lactate, and
(d) from about 3% to about 7% polyoxyethylene (20) sorbitan monooleate,
wherein all weights are relative to the total weight of the surfactant composition,
(ii) the peroxide solution comprises from about 1% to about 12% hydrogen peroxide, and
the mixture comprises from about 0.001 g to about 10 g of the surfactant composition per liter of the peroxide solution.
2 . The decontaminating composition of claim 1 , wherein the surfactant composition comprises from about 25% to about 35% by weight xanthan gum, relative to the total weight of the surfactant composition.
3 . The decontaminating composition of claim 1 , wherein the surfactant composition comprises from about 15% to about 23% by weight levulinic acid, relative to the total weight of the surfactant composition.
4 . The decontaminating composition of claim 1 , wherein the surfactant composition comprises from about 40% to about 50% by weight ethyl lactate, relative to the total weight of the surfactant composition.
5 . The decontaminating composition of claim 1 , wherein the surfactant composition comprises from about 4% to about 6% by weight polyoxyethylene (20) sorbitan monooleate, relative to the total weight of the surfactant composition.
6 . The decontaminating composition of claim 1 , wherein the pH of the mixture is basic.
7 . The decontaminating composition of claim 1 , wherein
(i) the surfactant composition comprises:
(a) from about 25% to about 35% xanthan gum,
(b) from about 15% to about 23% levulinic acid,
(c) from about 40% to about 50% ethyl lactate, and
(d) from about 4% to about 6% polyoxyethylene (20) sorbitan monooleate,
wherein all weights are relative to the total weight of the surfactant composition,
(ii) the peroxide solution comprises from about 2% to about 8% hydrogen peroxide, and
the mixture comprises from about 0.1 g to about 4 g of the surfactant composition per liter of the peroxide solution.
8 . A method of decontaminating a substrate, comprising:
(A) mixing a peroxide solution with a surfactant composition, wherein
(i) the surfactant composition comprises:
(a) from about 20% to about 40% xanthan gum,
(b) from about 10% to about 25% levulinic acid,
(c) from about 32% to about 63% ethyl lactate, and
(d) from about 3% to about 7% polyoxyethylene (20) sorbitan monooleate,
wherein all weights are relative to the total weight of the surfactant composition,
(ii) the peroxide solution comprises from about 1% to about 12% hydrogen peroxide, and
the mixture comprises from about 0.001 g to about 10 g of the surfactant composition per liter of the peroxide solution; and
(B) applying the mixture to a substrate.
9 . The method of claim 8 , wherein the surfactant composition comprises from about 25% to about 35% by weight xanthan gum, relative to the total weight of the surfactant composition.
10 . The method of claim 8 , wherein the surfactant composition comprises from about 15% to about 23% by weight levulinic acid, relative to the total weight of the surfactant composition.
11 . The method of claim 8 , wherein the surfactant composition comprises from about 40% to about 50% by weight ethyl lactate, relative to the total weight of the surfactant composition.
12 . The method of claim 8 , wherein the surfactant composition comprises from about 4% to about 6% by weight polyoxyethylene (20) sorbitan monooleate, relative to the total weight of the surfactant composition.
13 . The method of claim 8 , wherein the pH of the mixture is basic.
14 . The method of claim 8 , wherein
(i) the surfactant composition comprises:
(a) from about 25% to about 35% xanthan gum,
(b) from about 15% to about 23% levulinic acid,
(c) from about 40% to about 50% ethyl lactate, and
(d) from about 4% to about 6% polyoxyethylene (20) sorbitan monooleate,
wherein all weights are relative to the total weight of the surfactant composition,
(ii) the peroxide solution comprises from about 2% to about 8% hydrogen peroxide, and
the mixture comprises from about 0.1 g to about 4 g of the surfactant composition per liter of the peroxide solution.
15 . A method of making a decontaminating composition comprising mixing a peroxide solution with a surfactant composition, wherein
(i) the surfactant composition comprises:
(a) from about 20% to about 40% xanthan gum,
(b) from about 10% to about 25% levulinic acid,
(c) from about 32% to about 63% ethyl lactate, and
(d) from about 3% to about 7% polyoxyethylene (20) sorbitan monooleate,
wherein all weights are relative to the total weight of the surfactant composition,
(ii) the peroxide solution comprises from about 1% to about 12% hydrogen peroxide, and
the mixture comprises from about 0.001 g to about 10 g of the surfactant composition per liter of the peroxide solution.
16 . The method of claim 15 , wherein pH of the mixture is basic.
17 . The method of claim 15 , wherein the surfactant composition comprises from about 25% to about 35% by weight xanthan gum, relative to the total weight of the surfactant composition.
18 . The method of claim 15 , wherein the surfactant composition comprises from about 15% to about 23% by weight levulinic acid, relative to the total weight of the surfactant composition.
19 . The method of claim 15 , wherein the surfactant composition comprises from about 40% to about 50% by weight ethyl lactate, relative to the total weight of the surfactant composition.
20 . The method of claim 15 , wherein
(i) the surfactant composition comprises:
(a) from about 25% to about 35% xanthan gum,
(b) from about 15% to about 23% levulinic acid,
(c) from about 40% to about 50% ethyl lactate, and
(d) from about 4% to about 6% polyoxyethylene (20) sorbitan monooleate,
wherein all weights are relative to the total weight of the surfactant composition,
(ii) the peroxide solution comprises from about 2% to about 8% hydrogen peroxide, and
the mixture comprises from about 0.1 g to about 4 g of the surfactant composition per liter of the peroxide solution.