WATER CONDITIONING AND DRIFT CONTROL COMPOSITIONS AND METHODS OF USE
A concentrated adjuvant composition comprises an incompletely hydrated water-soluble polymer suspended in a liquid medium, a suspension agent, a surfactant, optionally, a glycol, glycol derivative, glycerol or glycerol derivative, and a water conditioning component.
1 . An agricultural composition comprising:
a drift control component comprising:
an incompletely hydrated water-soluble polymer suspended in a liquid medium,
a suspending agent in an amount effective to impart shear thinning properties to the composition,
optionally, a glycol, a glycol derivative, a glycerol, or a glycerol derivative, a surfactant; and
a water conditioning component comprising choline chloride, potassium citrate, and citric acid, and any salt thereof.
2 . The composition of claim 1 wherein the agricultural composition is flowable and exhibits a viscosity of less than 10 Pa.s at a shear rate of greater than or equal to 10 s −1 .
3 . The composition of claim 1 wherein the agricultural composition is flowable and exhibits a viscosity of less than 1 Pa.s at a shear rate of greater than or equal to 10 s −1 .
4 . The composition of claim 1 wherein the suspending agent isselected from fumed silica, precipitated silica, inorganic colloidal or colloid-forming particles, rheology modifier polymers, or mixtures thereof.
5 . The composition of claim 1 wherein the water-soluble polymer is a guar or a guar derivative.
6 . The composition of claim 1 wherein the water-soluble polymer is guar, carboxymethyl guar, carboxymethylhydroxypropyl guar, cationic hydroxypropyl guar, hydroxyethyl guar, hydroxypropyl guar, hydroxybutyl guar, carboxylpropyl guar, carboxybutyl guar, xanthan gum, or mixtures thereof.
7 . The composition of claim 1 wherein the glycol, the glycol derivative, the glycerol or the glycerol derivative is present and comprises polyethylene glycol.
8 . The composition of claim 1 , further comprising a pesticide active ingredient, wherein the water-soluble polymer enhances delivery of the pesticideactive ingredient from the liquid medium to a target substrate.
9 . The composition of claim 1 , wherein the liquid medium is an aqueous liquid medium that comprises water or water and a water immiscible organic liquid, and wherein the composition is in the form of an emulsion, a microemulsion, or a suspoemulsion.
10 . The composition of claim 1 , wherein:
the water-soluble polymer is selected from polyacrylamide polymers, non- derivatized guar polymers, derivatized guar polymers, or mixtures thereof, and
the suspending agent is selected from fumed silicas, precipitated silicas, inorganic colloidal or colloid-forming particles, rheology modifier polymers, water-soluble polysaccharide polymers other than the non-derivatized or derivatized guar polymer, or mixtures thereof.
11 . The composition of claim 1 wherein the surfactant is selected from alkanalkanolamides, ethoxylated alkanolamides, ethylene bisamides, alkyl betaines, alkyl amidopropyl betaines, alkyl sultaines, fatty acid esters, glycerol esters, ethoxylated fatty acid esters, sorbitan esters, ethoxylated sorbitans, alkylphenol ethoxylates, alcohol ethoxylates, tristyrylphenol ethoxylates, mercaptan ethoxylates; ethylene oxide/propylene oxide block copolymers, chlorine capped ethoxylates, tetra- functional block copolymers, lauramine oxide, cocamine oxide, stearamine oxide, stearamidopropylamine oxide, palmitamidopropylamine oxide, decylamine oxide, mono ester sulfosuccinates, diester sulfosuccinates, fatty alcohols, alkoxylated alcohols, or any mixtures thereof.
12 . The composition of claim 1 wherein the surfactant is a linear or branched alcohol ethoxylate.
13 . The composition of claim 1 wherein the surfactant is a mono ester sulfosuccinate or a diester sulfosuccinate.
14 . The composition of claim 1 wherein the surfactant is sodium dioctyl sulfosuccinate, sodium bistridecyl sulfosuccinate, sodium dihexyl sulfosuccinate, or sodium diisobutyl sulfosuccinate.
15 . The composition of claim 1 wherein the surfactant imparts animproved property to the composition, wherein the improved property is one or more of the following:
dispersability, wetting, biological efficacy improvement, as a sticker, or as a spreader.
16 . The composition of claim 1 wherein the composition comprises, based on 100 parts by weight of the composition, at least 2 parts by weight of an incompletely hydrated water-soluble polymer suspended in a liquid medium.
17 . The composition of claim 1 wherein the composition comprises, based on 100 parts by weight of the composition, at least 3 parts by weight of an incompletely hydrated water-soluble polymer suspended in a liquid medium.
18 . The composition of claim 1 wherein the composition comprises, based on 100 parts by weight of the composition, at least 4 parts by weight of an incompletely hydrated water-soluble polymer suspended in a liquid medium.
19 . The composition of claim 1 wherein the suspending agent is xanthan gum, diutan, welan gum, succinoglycan, scleroglucan or any combination thereof.
20 . The composition of claim 1 wherein the suspending agent isa mixture of at least two of the following: fumed silica, precipitated silica, inorganic colloidal particles or colloid-forming particles.
21 . The composition of claim 1 wherein the suspending agent isa hydrophobic associative rheology modifier.
22 . The composition of claim 1 wherein the composition is free or substantially free of ammonium-containing compounds.
23 . A method for making an agricultural composition that comprises a mixture of an aqueous liquid medium, an incompletely hydrated water-soluble polymer dispersed in the aqueous liquid medium, and a water conditioning component, the steps comprising:
contacting the water conditioning component with the aqueous liquid medium, wherein the water conditioning component comprises choline chloride, potassium citrate, polyacrylate, ethylenediaminetetraacetic acid, citric acid, a polycarboxylate, dipotassium hydrogenphosphate (K 2 HPO 4 ), potassium dihydrogenphosphate (KH 2 PO 4 ), any salts thereof, or a combination thereof; and
contacting a drift control component with the mixture of aqueous liquid and the water conditioning component, wherein the drift control component comprises:
an incompletely hydrated water-soluble polymer,
a suspending agent in an amount effective to impart shear thinningproperties to the composition,
the glycol, the glycol derivative, the glycerol or the glycerol derivative, and a surfactant.
24 . The method of claim 24 further comprising contacting an agricultural pesticide compound to the composition.
25 . The method of claim 24 wherein the composition is free or substantially free ammonium-containing compounds.
26 . The composition of claim 1 , wherein the water conditioning component further comprises polyacrylate, ethylenediaminetetraacetic acid, dipotassium hydrogenphosphate (K 2 HPO 4 ), potassium dihydrogenphosphate (KH 2 PO 4 ), any salt thereof, or a combination thereof.