Fire retardant compositions containing one or more surfactants

A liquid fire retardant composition, the composition comprising:

• a fire retardant component comprising a mixture of monoammonium phosphate (MAP) and diammonium phosphate (DAP), wherein the mixture of MAP and DAP exhibits a molar ratio of ammoniacal nitrogen to phosphorus (N/P ratio) of from about 1.1 to about 1.9;
• a surfactant selected from anionic surfactants, nonionic surfactants, and amphoteric surfactants, and combinations thereof;
• optionally, one or more corrosion inhibitors;
• water;
• and
• optionally, one or more thickeners;
• wherein the composition satisfies one or more of the following:
• the weight ratio of the one or more optional corrosion inhibitors to surfactant is at least about 1:1, at least about 1.5:1, at least about 2:1, at least about 2.5:1, at least about 3:1, at least about 3.5:1, at least about 4:1, at least about 4.5:1, at least about 5:1, at least about 5.5:1, at least about 6:1, at least about 6.5:1, at least about 7:1, or at least about 7.5:1;
• the weight ratio of the one or more optional thickeners to surfactant is at least about 1:1, at least about 1.5:1, at least about 2:1, at least about 2.5:1, at least about 3:1, at least about 3.5:1, at least about 4:1, at least about 4.5:1, at least about 5:1, at least about 5.5:1, at least about 6:1, at least about 6.5:1, at least about 7:1, or at least about 7.5:1;
• and
• the surface tension of the composition is at least about 30 mN/m, at least about 35 mN/m, at least about 40 mN/m, at least about 45 mN/m, or at least about 50 mN/m.

A fire retardant concentrate composition, the composition comprising:

• a fire retardant component comprising monoammonium phosphate (MAP), diammonium phosphate (DAP), ammonium polyphosphate (APP), and combinations thereof;
• a surfactant selected from anionic surfactants, nonionic surfactants, and amphoteric surfactants, and combinations thereof, wherein the surfactant is present in a concentration of at least about 0.5 wt %, or from about 0.5 wt % to about 1.5 wt %;
• one or more optional corrosion inhibitors, wherein the one or more corrosion inhibitors are present in a concentration of at least about 1 wt %, or from about 1 wt to about 3 wt %;
• and
• one or more optional thickeners, wherein the one or more thickeners are present in a concentration of at least about 1 wt %, or from about 1 wt % to about 3 wt %;
• wherein the composition satisfies one or more of the following:
• the weight ratio of fire retardant component to surfactant is at least about 50:1, at least about 60:1, at least about 70:1, at least about 80:1, at least about 90:1, at least about 100:1, at least about 110:1, at least about 120:1, at least about 130:1, at least about 140:1, at least about 150:1, at least about 160:1, at least about 170:1, at least about 180:1, at least about 190:1, at least about 200:1, at least about 210:1, at least about 220:1, at least about 230:1, at least about 240:1, or at least about 250:1;
• the weight ratio of the one or more optional corrosion inhibitors to surfactant is at least about 1:1, at least about 1.5:1, at least about 2:1, at least about 2.5:1, at least about 3:1, at least about 3.5:1, at least about 4:1, at least about 4.5:1, at least about 5:1, at least about 5.5:1, at least about 6:1, at least about 6.5:1, at least about 7:1, or at least about 7.5:1;
• and
• the weight ratio of the one or more optional thickeners to surfactant is at least about 1:1, at least about 1.5:1, at least about 2:1, at least about 2.5:1, at least about 3:1, at least about 3.5:1, at least about 4:1, at least about 4.5:1, at least about 5:1, at least about 5.5:1, at least about 6:1, at least about 6.5:1, at least about 7:1, or at least about 7.5:1.

A fire retardant concentrate composition, the composition comprising:

• a fire retardant component comprising a mixture of monoammonium phosphate (MAP) and diammonium phosphate (DAP), wherein the mixture of MAP and DAP exhibits a molar ratio of ammoniacal nitrogen to phosphorus (N/P ratio) of from about 1.1 to about 1.9;
• a surfactant selected from anionic surfactants, nonionic surfactants, and amphoteric surfactants, and combinations thereof, wherein the surfactant is present in a concentration of at least about 0.5 wt %, or from about 0.5 wt % to about 1.5 wt %;
• one or more optional corrosion inhibitors, wherein the one or more corrosion inhibitors are present in a concentration of at least about 1 wt %, or from about 1 wt to about 3 wt %;
• and
• one or more optional thickeners, wherein the one or more thickeners are present in a concentration of at least about 1 wt %, or from about 1 wt % to about 3 wt %;
• wherein the composition satisfies one or more of the following:
• the weight ratio of the one or more optional corrosion inhibitors to surfactant is at least about 1:1, at least about 1.5:1, at least about 2:1, at least about 2.5:1, at least about 3:1, at least about 3.5:1, at least about 4:1, at least about 4.5:1, at least about 5:1, at least about 5.5:1, at least about 6:1, at least about 6.5:1, at least about 7:1, or at least about 7.5:1;
• and
• the weight ratio of the one or more optional thickeners to surfactant is at least about 1:1, at least about 1.5:1, at least about 2:1, at least about 2.5:1, at least about 3:1, at least about 3.5:1, at least about 4:1, at least about 4.5:1, at least about 5:1, at least about 5.5:1, at least about 6:1, at least about 6.5:1, at least about 7:1, or at least about 7.5:1.

A liquid fire retardant composition, the composition comprising:

• a fire retardant component comprising a phosphate fire retardant, wherein the fire retardant component constitutes at least about 85 wt % of the composition;
• a surfactant selected from anionic surfactants, nonionic surfactants, and amphoteric surfactants, and combinations thereof, wherein the surfactant constitutes from about 0.01 wt % to about 1 wt % of the composition;
• one or more optional corrosion inhibitors, wherein the weight ratio of the surfactant to the one or more corrosion inhibitors is from 0.01:1 to 1:1;
• one or more optional pigments, wherein the weight ratio of the surfactant to the one or more pigments is from 0.01:1 to 1:1;
• and
• one or more optional thickeners, wherein the weight ratio of the surfactant to the one or more pigments is from 0.01:1 to 1:1, wherein:
• the liquid fire retardant composition has a surface tension that varies no more than 50% from the surface tension of water.

A liquid fire retardant composition, the composition comprising:

• a fire retardant component comprising a phosphate fire retardant and a non-phosphate fire retardant, wherein the phosphate fire retardant constitutes at least about 50 wt % of the fire retardant component;
• a surfactant selected from anionic surfactants, nonionic surfactants, and amphoteric surfactants;
• and
• one or more optional components selected from corrosion inhibitors, pigments, thickeners, and combinations thereof, wherein:
• the phosphate fire retardant comprises monoammonium phosphate (MAP), diammonium phosphate (DAP), ammonium polyphosphate (APP), phosphoric acid or a combination thereof;
• the non-phosphate fire retardant is selected from the group consisting of potassium carbonate, potassium bicarbonate, sodium carbonate, sodium bicarbonate, ammonium carbonate, ammonium bicarbonate, magnesium chloride, magnesium sulfate, ammonium chloride, ammonium bromide, ammonium sulfate, urea, dicyandiamide, melamine, cyanamide or a combination of thereof;
• the surfactant constitutes from about 0.01 wt % to about 1.0 wt % or from about 0.01 wt % to about 0.5 wt %;
• and
• the liquid fire retardant composition has a surface tension that varies no more than 50% from the surface tension of water.

A liquid fire retardant composition, the composition comprising:

• a fire retardant component comprising a phosphate fire retardant, wherein the phosphate fire retardant constitutes at least about 50 wt % of the fire retardant component;
• an anionic surfactant, wherein the anionic surfactant constitutes from about 0.01 wt % to about 1 wt % of the composition;
• and
• one or more optional components selected from corrosion inhibitors, pigments, thickeners, and combinations thereof, wherein:
• the liquid fire retardant composition has a surface tension that varies no more than 50% from the surface tension of water;
• and
• the anionic surfactant is selected from sulfonate type anionic surfactants selected from the group consisting of sodium pentanesulfonate, butylnaphtalenesulfonic acid sodium salt, sodium 1-butanesulfonate, lignofulonic acid calcium salt, sodium dodecylbenzene sulfonate, sodium allylsulfonate, sodium lignosulfonate, calcium dodecylbenzene sulfonate, 2-dodecylbenzenesulfonate, sodium alkylbenzene sulfonate, disodium methylenebisnaphthalenesulfphonate, ammonium dodecylbenzenesulphonate, linear alklybenzene sulfonates, and combinations thereof;
• and/or
• the anionic surfactant is selected from sulfate type anionic surfactants selected from the group consisting of lithium dodecyl sulfate, sodium octyl sulfate, sodium dodecyl sulfate, sodium decyl sulfate, ammonium layryl sulfate, sodium lauryl polyoxyethylene ether sulfate, sodium lauryl sulfate, and combinations thereof;
• and/or
• the anionic surfactant is selected from sulfosuccinate type anionic surfactants selected from the group consisting of sodium diisobutyl sulfosuccinate, dihexyl sodium sulfosuccinate, sodium diamyl sulfosuccinate, dicyclohexyl sulfosuccinate sodium salt, disodium 4-[2-[(1-oxoundec-10-enyl)amino]ethyl] 2-sulphonatosuccinate, and combinations thereof;
• and/or
• the anionic surfactant is selected from fatty acid salt type anionic surfactants selected from the group consisting of sodium stearate, magnesium stearate, potassium oleate, hydroxyaluminum distearate, and combinations thereof;
• and/or
• the anionic surfactant is selected from other types selected from of anionic surfactants comprising of organosilicon surfactant, fluorocarbon surfactant, fatty alcohol ammonium sulfate, soaps, and combinations thereof.

A liquid fire retardant composition, the composition comprising:

• a fire retardant component comprising a phosphate fire retardant, wherein the phosphate fire retardant constitutes at least about 50 wt % of the fire retardant component;
• a nonionic surfactant, wherein the nonionic surfactant constitutes from about 0.01 wt % to about 1 wt % of the composition;
• and
• one or more optional components selected from corrosion inhibitors, pigments, thickeners, and combinations thereof, wherein:
• the liquid fire retardant composition has a surface tension that varies no more than 50% from the surface tension of water;
• and
• the nonionic surfactant is selected from polyethylene glycol monooleyl ether, polyethylene glycol monocetyl ether, polysorbate 20, polysorbate 40, Tween 60, Tween 80, polyoxyethylene lauryl ether, Span 60, dibenzyl biphenyl polyoxyethylene ether, fatty alcohol polyoxyethylene ether, alky polyglucoside, lauryl polyglucoside, sorbitan sesquioleate, silicone polyethers, and combinations thereof.

A liquid fire retardant composition, the composition comprising:

• a fire retardant component comprising a phosphate fire retardant, wherein the phosphate fire retardant constitutes at least about 50 wt % of the fire retardant component;
• an amphoteric surfactant, wherein the amphoteric surfactant constitutes from about 0.01 wt % to about 1 wt % of the composition;
• and
• one or more optional components selected from corrosion inhibitors, pigments, thickeners, and combinations thereof, wherein:
• the liquid fire retardant composition has a surface tension that varies no more than 50% from the surface tension of water;
• and
• the amphoteric surfactant is selected from lauryl betaine, sodium lauroamphoacetate, lauramidopropyl betaine, cocoamidopropyl betaine, coco alkyldimethyl betaine, and combinations thereof.