Low drift tank mix additives for low, medium, and high spray volume applications

Abstract

The present invention relates to a tank mix additive for low, medium and high spray volume applications comprising a combination of different drift reducing agents.

Description

[0001] The present invention relates to tank mix additives for low spray volume, medium spray volume and high spray volume applications comprising a combination of different drift reducing agents.

[0002] Low and medium volume spray applications are becoming increasingly popular because they require less water, lighter vehicles, and in some cases, less adjuvants to be introduced into the environment.

[0003] However, the formulations currently on the market are usually only suitable for high spray volumes or medium spray volumes, or low spray volumes and medium spray volumes, but never cover the entire range. However, for farmers, it is desirable and economically feasible if one formulation can be used for all types of applications depending on the application method, requirements, environmental conditions, etc.

[0004] On the other hand, there are economic advantages for suppliers to offer only one formulation suitable for all ranges.

[0005] Tank mix additives are important additives used to improve the performance of crop protection products, especially when they contain components that enhance wetting, spreading and absorption of target crops and plants. However, these wetting, spreading and absorption enhancing components can enhance drift by reducing the size of the spray droplets after atomization, especially when these components are surfactants.

[0006] To address this drift risk, drift reducers can be added to the tank mix adjuvant formulation.

[0007] It is well known in the art that different drift reduction additives work better at different spray volumes due to their different concentrations in the spray liquid after dilution.

[0008] Polymer-based drift reducing additives work best at higher concentrations, where their viscosity-increasing effect is greater. Drift reducing polymers increase the viscosity of the tank-mix composition, and there is an upper viscosity limit, above which the tank-mix is ​​too viscous to be useful. As a result, in formulations of 0.5 to 0.25 L / ha, it is difficult to include enough polymer to reduce drift when spraying at high spray volumes, as large amounts of polymer will make the tank-mix too viscous to be useful. However, this is not the case at low spray volumes, where very little polymer is needed in the formulation to achieve an effective concentration in the spray liquid. Conversely, a tank-mix that contains enough drift reducing polymer at high spray volumes will not be sprayable at low spray volumes because the high polymer concentration will inhibit the atomization process, making the spray liquid unsprayable.

[0009] Oil-based drift reduction additives work well over a wide concentration range. However, their effectiveness may be reduced by surfactants (such as dispersants, emulsifiers, wetting agents, spreaders or absorption enhancers) in the diluted spray solution, either from the product used for the spray dilution or from components of the tank mix adjuvant, with the result that at higher concentrations of these surfactants in the spray solution, oil-based drift reduction additives may become ineffective at lower spray volumes.

[0010] Therefore, there is a need for a drift reduction tank mix additive that is effective at both low and high spray volumes. This is achieved by the present invention, wherein a polymer-based drift reduction additive and an oil-based drift reduction additive are combined in a tank mix formulation at effective levels.

[0011] Surprisingly, it has been discovered that tank mix additives comprising certain polymers in combination with oil-based drift reduction additives at very low concentrations can provide drift reduction of the tank mix over a wide range of spray rates.

[0012] Combinations of hydroxypropylated guar gum or other guar gums with oils in drift reduction compositions have been disclosed in US 2002 / 108415 A1, WO 2022 / 023255 A1, WO 2021 / 127865 A1 and US 2018 / 184647 A1. However, the oil component is always used in very high amounts and has different uses in addition to drift reduction, such as as a carrier and absorption enhancer.

[0013] Various tank-mix additives of the present invention, or more precisely, additives comprising a combination of certain adjuvants, are described below.

[0014] In one aspect, the present invention relates to a tank-mix additive for agricultural chemical formulations comprising:

[0015] a) one or more polymer-based drift reduction additives selected from poly(ethylene oxide) (hereinafter referred to as PEO) and hydroxypropylated guar gum (hereinafter referred to as HP guar gum),

[0016] b) one or more oil-based drift reduction additives,

[0017] c) one or more spreading agents and / or absorption-enhancing additives,

[0018] d) Other formulants,

[0019] e) one or more carriers to make up to volume, wherein at least one carrier is water,

[0020] wherein a) is present at 0.2-50 g / L, preferably 0.5-40 g / L, more preferably 1-15 g / L, wherein b) is present at 0.5-45 g / L, preferably 1-30 g / L, more preferably 5-25 g / L, wherein c) is present at 10-200 g / L, preferably 20-160 g / L, more preferably 25-140 g / L; and

[0021] wherein d) is present in an amount of 20-300 g / L, preferably 30-180 g / L, more preferably 30-135 g / L.

[0022] In a preferred embodiment,

[0023] a) exists at 0.2-50 g / L,

[0024] b) present at 0.5-45 g / L,

[0025] c) present at 10-200 g / L,

[0026] d) present at 20-300 g / L,

[0027] e) Fill up to the total volume with carrier.

[0028] In another preferred embodiment,

[0029] a) exists at 0.5-40 g / L,

[0030] b) present at 1-30 g / L,

[0031] c) present at 20-160 g / L,

[0032] d) present at 30-180 g / L,

[0033] e) Fill up to the total volume with carrier.

[0034] In another more preferred embodiment,

[0035] a) present at 1-15 g / L,

[0036] b) present at 5-25 g / L,

[0037] c) present at 25-140 g / L,

[0038] d) present at 30-135 g / L,

[0039] e) Fill up to the total volume with carrier.

[0040] It should be understood that in the case of various component combinations, the percentages of all components in the tank mix additive always add up to 100.

[0041] If not stated otherwise, % in the present application means percentage by weight (% w / w).

[0042] In addition, if not otherwise stated, reference to "to volume" for a carrier means that the total volume of the tank-mixed additive is made up to 1000 mL (1 L) with the carrier (particularly water). For the sake of clarity, it should be understood that if it is not clear, the density of the tank-mixed additive should be understood as 1 g / cm 3 .

[0043] If not defined otherwise in this application, molecular weight refers to the weight average molecular weight Mw determined by GPC in dichloromethane at 25°C using polystyrene as standard.

[0044] In the context of the present invention, tank mix additives may be applied using a wide range of spray rates from 1 L / ha to 2000 L / ha, preferably from 5 L / ha to 1500 L / ha, more preferably from 8 L / ha to 1200 L / ha.

[0045] Therefore, another aspect of the present invention is a method of applying the agricultural chemical tank-mix additive of the present invention to crops, wherein the tank-mix additive is applied at a spray rate of 1 L / ha to 2000 L / ha, preferably 5 L / ha to 1500 L / ha, more preferably 8 L / ha to 1200 L / ha.

[0046] Therefore, another aspect of the present invention is the use of the tank-mix additive of the present invention for applying it to crops, wherein the tank-mix additive is applied at a spray rate of 1 L / ha to 2000 L / ha, preferably 5 L / ha to 1500 L / ha, more preferably 8 L / ha to 1200 L / ha.

[0047] Furthermore, for low spray volumes, the tank-mix additive of the present invention is applied at a spray volume of 1 to 25 L / ha, preferably 2 to 20 L / ha, more preferably 5 to 15 L / ha.

[0048] Therefore, another aspect of the present invention is a method of applying the agrochemical tank-mix additive of the present invention to crops, wherein the tank-mix additive is applied at a spray rate of 1 to 25 L / ha, preferably 2 to 20 L / ha, more preferably 5 to 15 L / ha.

[0049] Therefore, another aspect of the present invention is the use of the tank mix additive of the present invention for applying it to crops, wherein the tank mix additive is applied at a spray rate of 1 to 25 L / ha, preferably 2 to 20 L / ha, more preferably 5 to 15 L / ha.

[0050] Preferably, the tank-mix additive is applied in the form of a spray liquid containing the tank-mix additive at the above-mentioned spray rate.

[0051] The ratio of a) to b) in the tank-mix additive of the present invention is 1:40 to 10:1, more preferably 1:10 to 5:1, and most preferably 1:6 to 2:1.

[0052] The ratio of a) to b) to c) in the tank-mixed additive of the present invention is 1:40:150 to 10:1:10, more preferably 1:12:120 to 2:1:5, and most preferably 1:8:50 to 1:2:5.

[0053] Preferably, the above ratios also apply to the spray liquid containing tank-mix additives.

[0054] Another aspect of the present invention is the use of the tank mix additive of the present invention for delivery to agricultural target plots:

[0055] The amount of a) is from 0.5 to 15 g / ha, more preferably from 1 to 12 g / ha, most preferably from 1 to 10 g / ha.

[0056] The amount of b) is from 0.5 to 40 g / ha, more preferably from 1 to 20 g / ha, most preferably from 2 to 10 g / ha.

[0057] The amount of c) is from 10 to 200 g / ha, more preferably from 15 to 160 g / ha, most preferably from 20 to 100 g / ha.

[0058] In another preferred embodiment of the present invention, the tank-mix additive consists only of the above-mentioned components a) to d) in the specified amounts and ranges.

[0059] Furthermore, it should be understood that the preferred given ranges for application amounts or application rates and the preferred given ranges for the individual ingredients given in this specification can be freely combined, and all combinations are disclosed herein, however, in a more preferred embodiment, the ingredients are preferably present in the ranges with the same degree of preference, and even more preferably the ingredients are present in the most preferred ranges.

[0060] In the context of the present invention, suitable agricultural chemical formulations to which the tank-mix additive of the present invention is added are suspension concentrates, aqueous suspensions, suspoemulsions or capsule suspensions, emulsion concentrates, dispersion concentrates, soluble liquids, water-dispersible granules, oil dispersions, emulsifiable concentrates, dispersible concentrates, wettable granules, etc., preferably suspension concentrates, aqueous suspensions, suspoemulsions and oil dispersions, wherein in the case of non-aqueous formulations or solid formulations, sprayable formulations are obtained by adding water.

[0061] Suitable agrochemicals to which the tank-mix additive of the invention is added are insecticides, herbicides, fungicides, antibacterials, host defense inducers, nutrient formulations or safeners or biological formulations and mixtures thereof, and any other suitable product to be delivered to plants by spray application.

[0062] Polymer-based drift reduction additivesa)

[0063] Suitable drift reduction polymers are poly(ethylene oxide), wherein the average molecular weight of the polymer is preferably 0.5 to 14 million g / mol, more preferably 0.75 to 10 million g / mol, most preferably 1 to 8 million g / mol, and hydroxypropyl guar (HP guar).

[0064] In one embodiment, the polymer-based drift reduction additive is poly(ethylene oxide) (PEO), with more preferably the tank-mix additive exhibiting a PEO polymer concentration factor (PCF) value of 0.5 to 12, more preferably 1 to 10, even more preferably 2 to 9.

[0065] The polymer concentration factor (PCF) for the PEO polymer content in the tank mix additive is defined as: where C is the concentration of the drift reducing polymer (a) in the tank mix additive (g / L), M is the molar mass of the drift reducing polymer (a) (g / mol / 1x10 6 ), a is 1.4, and D is the dosage rate of the tank mix additive per hectare (L / ha). The PCF value is calculated according to the following equation:

[0066] PCF=C×M a ×D

[0067] In another embodiment, the polymer-based drift reduction additive is HP guar gum.

[0068] Oil-based drift reduction additives b)

[0069] Suitable drift reduction oils are vegetable oils and vegetable oil esters and diesters (including esters with glycerol and propylene glycol).

[0070] Particular preference is given to the methyl, ethyl, isopropyl, isobutyl, butyl, hexyl and ethylhexyl esters.

[0071] More preferably, the vegetable oils and esters are selected from methyl oleate, methyl palmitate, rapeseed oil methyl ester, isopropyl myristate, isopropyl palmitate, ethylhexyl palmitate, ethylhexyl oleate, a mixture of ethylhexyl myristate / ethylhexyl laurate, ethylhexyl laurate, a mixture of ethylhexyl caprylate / ethylhexyl caprate, diisopropyl adipate, cocopropylene glycol diester, sunflower oil, rapeseed oil, corn oil, soybean oil, rice bran oil, olive oil, peanut oil, mixed caprylic and capric triglycerides, and mixed decanoyl and octanoyl glycerides.

[0072] Particular preference is given to rapeseed oil, rapeseed oil methyl ester or sunflower oil.

[0073] Mineral oil is also suitable as a drift reducer.

[0074] Spreading agents and absorption-promoting additives c):

[0075] Some compounds which are suitable as spreading agents may also act as absorption-promoting additives due to their chemical properties and vice versa. These compounds are therefore summarized under compounds c).

[0076] Spreading agents are compounds which are capable of enhancing the spreading of a tank-mix additive or an agrochemical formulation containing a tank-mix additive on plant parts, in particular on leaves.

[0077] Suitable spreading agents are selected from the monoesters and diesters of metal salts of sulfosuccinic acid with branched or linear alcohols containing 1 to 10 carbon atoms, in particular alkali metal salts, more in particular sodium salts, most in particular sodium dioctyl sulfosuccinate;

[0078] and organosilicon alkoxylates, such as organomodified polysiloxane / trisiloxane alkoxylates, preferably polyalkylene oxide-modified heptamethyltrisiloxane, wherein the alkylene oxide is preferably selected from ethylene oxide (EO) or propylene oxide (PO), in particular those with the following CAS numbers: 27306-78-1 (poly(oxy-1,2-ethanediyl), α-methyl-ω-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl) )oxy]disiloxanyl]propyl]), 67674-67-3 (poly(oxy-1,2-ethanediyl), α-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]disiloxanyl]propyl]-ω-hydroxy), 134180-76-0 (polymer of methyl oxirane and oxirane mono-3-1,3,3,3-tetramethyl-1-(trimethylsilyl)oxydisiloxanylpropyl ether), for example L77, 408, 806, S240, S278.

[0079] Other suitable spreading agents are ethoxylated diacetylenediols having 1 to 6 ethylene oxide (EO) units, for example 420 and 440;

[0080] and alcohol alkoxylates, preferably selected from ethoxylated alcohols or propoxy-ethoxylated alcohols, more preferably containing 6 to 22 carbon atoms and an average of 5 to 40 ethylene oxide (EO) and / or propylene oxide (PO) units, in particular EP0244, EP 2584 or W06, or ethoxylated propoxylated 3,5,5-trimethyl-1-hexanol (CAS No. 204336-40-3), e.g. Vibrant;

[0081] and other alkyl polysaccharides, such as BASF's PG8107, PG8105; Croda 438, AL-2559, AL-2575.

[0082] In the present context, the term "alcohol" refers to branched or straight-chain, saturated or unsaturated alcohols which may have 6 to 22 carbon atoms and optionally carry additional substituents, such as OH groups.

[0083] Preferably, the spreading agent is selected from the group consisting of monoesters and diesters of metal salts of sulfosuccinates with branched or linear alcohols containing 1 to 10 carbon atoms, organomodified polysiloxane / trisiloxane alkoxylates, ethoxylated diacetylenediol having 1 to 6 ethylene oxide (EO) units, alcohol alkoxylates containing 6 to 22 carbon atoms or alkyl polysaccharides;

[0084] More preferably selected from sodium dioctyl sulfosuccinate, polyalkylene oxide-modified heptamethyl trisiloxane, ethoxylated diacetylene glycols having 1 to 6 EO units or ethoxylated alcohols or propoxy-ethoxylated alcohols having 6 to 22 carbon atoms and an average of 5 to 40 ethylene oxide (EO) and / or propylene oxide (PO) units;

[0085] And in particular chosen from sodium dioctyl sulfosuccinate, polyalkylene oxide-modified heptamethyltrisiloxane and ethoxylated diacetylene glycols having 1 to 6 ethylene oxide units.

[0086] In another preferred embodiment of the present invention, the spreading agent c) is selected from polyalkylene oxide-modified heptamethyl trisiloxane, dioctyl sulfosuccinate, alcohol ethoxylates and ethoxylated diacetylene glycols having 1 to 6 EOs, more preferably selected from polyalkylene oxide-modified heptamethyl trisiloxane, dioctyl sulfosuccinate and ethoxylated diacetylene glycols having 1 to 6 EOs.

[0087] Absorption-enhancing additives are compounds which are able to enhance the absorption of tank-mix additives or agricultural chemical formulations containing tank-mix additives in plants or plant parts, in particular in the leaves.

[0088] Other suitable absorption-promoting additives are alcohol alkoxylates, preferably selected from ethoxylated alcohols, propoxy-ethoxylated alcohols, more preferably containing 6 to 22 carbon atoms and an average of 5 to 40 ethylene oxide (EO) and / or propylene oxide (PO) units;

[0089] Ethoxylated carboxylic acids or propoxy-ethoxylated carboxylic acids, preferably containing 6 to 22 carbon atoms and an average of 5 to 40 ethylene oxide (EO) and / or propylene oxide (PO) units;

[0090] Or ethoxylated monoesters, diesters or triesters of glycerol containing fatty acids having 8 to 18 carbon atoms and an average of 5 to 60, preferably 5 to 40, EO units.

[0091] The ethoxylated or propoxy-ethoxylated alcohols or carboxylic acids are optionally further modified by the addition of methyl groups to the remaining alcohol functions (see "methyl-terminated").

[0092] Other suitable absorption-enhancing additives are selected from alkoxylated sorbitan fatty acid esters comprising fatty acids having 8 to 18 carbon atoms and an average of 10 to 50 ethylene oxide and propylene oxide units;

[0093] or ethoxylated coconut alcohol comprising 2 to 20 EO units;

[0094] Or castor oil ethoxylates containing on average 5 to 40 EO units.

[0095] In the present context, the term "alcohol" refers to branched or linear, saturated or unsaturated alcohols which may have 6 to 22 carbon atoms and may optionally carry additional substituents, such as OH groups. In the present context, the term "carboxylic acid" refers to branched or linear, saturated or unsaturated carboxylic acids which may have 6 to 22 carbon atoms and may optionally carry additional substituents, such as OH groups.

[0096] Preferably, the absorption-promoting additive c) is selected from: alcohol alkoxylates containing 6 to 22 carbon atoms; ethoxylated carboxylic acids or propoxy-ethoxylated carboxylic acids containing 6 to 22 carbon atoms; ethoxylated mono-, di- or triesters of glycerol containing fatty acids having 8 to 18 carbon atoms and an average of 5 to 60 EO units; alkoxylated sorbitan fatty acid esters containing fatty acids having 8 to 18 carbon atoms and an average of 10 to 50 ethylene oxide and propylene oxide units; ethoxylated coconut alcohol containing 2 to 20 EO units; or castor oil ethoxylates containing an average of 5 to 40 EO units;

[0097] More preferably selected from: ethoxylated alcohols or propoxy-ethoxylated alcohols containing 6-22 carbon atoms and an average of 5-40 ethylene oxide (EO) and / or propylene oxide (PO) units; ethoxylated carboxylic acids or propoxy-ethoxylated carboxylic acids containing 6-22 carbon atoms and an average of 5-40 ethylene oxide (EO) and / or propylene oxide (PO) units; ethoxylated monoesters, diesters or triesters of glycerol containing fatty acids having 8-18 carbon atoms and an average of 5-60 EO units; or alkoxylated sorbitan fatty acid esters containing fatty acids having 8-18 carbon atoms and an average of 10-50 ethylene oxide and propylene oxide units; ethoxylated coconut alcohol containing 2-20 EO units; or castor oil ethoxylates containing an average of 5-40 EO units;

[0098] and in particular are chosen from: ethoxylated alcohols or propoxy-ethoxylated alcohols containing 6 to 22 carbon atoms and an average of 5 to 40 ethylene oxide (EO) and / or propylene oxide (PO) units; ethoxylated carboxylic acids or propoxy-ethoxylated carboxylic acids containing 6 to 22 carbon atoms and an average of 5 to 40 ethylene oxide (EO) and / or propylene oxide (PO) units; ethoxylated monoesters, diesters or triesters of glycerol containing fatty acids having 8 to 18 carbon atoms and an average of 5 to 60 ethylene oxide units; alkoxylated sorbitan fatty acid esters containing fatty acids having 8 to 18 carbon atoms and an average of 10 to 50 ethylene oxide and propylene oxide units.

[0099] In another preferred embodiment of the present invention, the absorption promoter c) is selected from the group consisting of ethoxylated alcohols, propoxy-ethoxylated alcohols, ethoxylated carboxylic acids, propoxy-ethoxylated carboxylic acids or ethoxylated glycerol monoesters, diesters or triesters containing fatty acids having 8 to 18 carbon atoms and an average of 5 to 40 EO units, alkoxylated sorbitan fatty acid esters containing fatty acids having 8 to 18 carbon atoms and an average of 10 to 50 EO and PO units.

[0100] Suitable components c) are, for example:

[0101] - ethoxylated linear and / or branched fatty alcohols having 2 to 20 EO units (e.g. X-type);

[0102] - methyl-terminated ethoxylated linear and / or branched fatty alcohols containing 2 to 20 EO units (e.g. XM type);

[0103] - ethoxylated coconut alcohol containing 2 to 20 EO units (e.g. Clariant's Type C);

[0104] - ethoxylated C12 / 15 alcohols containing 2 to 20 EO units (e.g. Croda's Type A);

[0105] - branched or linear propoxy-ethoxylated alcohols, for example Solvay's B / 848, Croda G5000, Levaco HOT 5902;

[0106] - Methyl terminated propoxy-ethoxylated fatty acids, such as Lion's

[0107] OC0503M;

[0108] - Alkyl ether citrate surfactants (e.g. Adsee CE series, Akzo Nobel);

[0109] -Alkyl polysaccharides (e.g. BASF's PG8107, PG8105; Croda 438, AL-2559, AL-2575);

[0110] - ethoxylated monoesters or diesters of glycerol containing fatty acids having 8 to 18 carbon atoms and an average of 10 to 60, preferably 10 to 40, EO units (e.g. Croda's product line);

[0111] - castor oil ethoxylates containing an average of 5 to 40 EO units (e.g. castor oil ethoxylates from Nouryon Series, Clariant EL series);

[0112] - ethoxylated oleic acid containing 2 to 20 EO units (e.g. A and AP);

[0113] - alkoxylated sorbitan fatty acid esters comprising fatty acids having 8 to 18 carbon atoms and an average of 10 to 50 EO and / or PO units (e.g. T, Tween series).

[0114] Other additives d):

[0115] In the context of the present invention, further auxiliaries d) are further additives customary for agrochemical formulations which are not yet covered by components a) to c).

[0116] Preferably, the other auxiliary agents are one or more substances selected from the following: rainproof additives, surfactants, rheology modifiers, defoaming substances, antifreeze agents, preservatives, biocides, colorants, pH regulators, buffers, stabilizers, antioxidants, inert filler materials, wetting agents, crystal growth inhibitors or trace nutrients.

[0117] d1) Rain-resistant additives

[0118] Suitable rainproof additives are acrylic-based emulsion polymers or polymer dispersions and styrene-based emulsion polymers or polymer dispersions, d) aqueous polymer dispersions, whose Tg is -100°C to 30°C, preferably -60°C to 20°C, more preferably -50°C to 10°C, most preferably -45°C to 5°C, such as Acronal V215, Acronal 3612, Licomer ADH 205 and Atplus FA. Licomer ADH205 and Atplus FA are particularly preferred.

[0119] Preferably, the polymer is selected from acrylic polymers, styrene polymers, vinyl polymers and derivatives thereof, polyolefins, polyurethanes and natural polymers and derivatives thereof.

[0120] More preferably, the polymer is selected from acrylic polymers, styrene butadiene copolymers, styrene-maleic anhydride copolymers, polyvinyl alcohol, polyvinyl acetate, partially hydrolyzed polyvinyl acetate, methyl vinyl ether-maleic anhydride copolymers, carboxyl-modified polyvinyl alcohol, acetoacetyl-modified polyvinyl alcohol, diacetone-modified polyvinyl alcohol and silicon-modified polyvinyl alcohol, isopropylene-maleic anhydride copolymers, polyurethanes, cellulose, gelatin, casein, oxidized starch, starch-vinyl acetate graft copolymers, hydroxyethyl cellulose, methyl cellulose, ethyl cellulose, carboxymethyl cellulose and acetyl cellulose.

[0121] Most preferably, the polymer is selected from a copolymer of acrylate and styrene, wherein the acrylate is selected from 2-ethyl-hexyl acrylate, butyl acrylate, sec-butyl acrylate, ethyl acrylate, methyl acrylate, acrylic acid, acrylamide, isobutyl acrylate, methyl methacrylate or a combination thereof. The styrene is selected from styrene, tert-butyl styrene, p-methyl styrene or a combination thereof.

[0122] In a preferred embodiment, the molecular weight of the polymer as described above does not exceed 40,000 g / mol, preferably does not exceed 10,000 g / mol.

[0123] In a preferred embodiment, polymer d is an emulsion polymer as described in WO 2017 / 202684.

[0124] The glass transition temperature (Tg) of many polymers is known and, if not otherwise defined, is determined in the present invention according to ASTM E1356-08 (2014) "Standard Test Method for Assignment of the Glass Transition Temperatures by Differential Scanning Calorimetry", wherein the sample is dried at 110°C for one hour before DSC to eliminate the influence of water and / or solvents, the DSC sample size is 10-15 mg, and the temperature is N 2 The temperature was measured from -100°C to 100°C at 20°C / min, where Tg was defined as the midpoint of the transition region.

[0125] d2) Surfactant:

[0126] Suitable nonionic surfactants or dispersing aids are all such substances which can be generally used for agricultural chemicals. Preferably, polyethylene oxide-polypropylene oxide block copolymers (preferably with a molecular weight of more than 5000 g / mol or a polyethylene oxide content of more than 35%, more preferably with a molecular weight of more than 6000 g / mol and a polyethylene oxide content of more than 45%), polyoxyalkyleneamine derivatives, polyvinylpyrrolidone, copolymers of polyvinyl alcohol and polyvinylpyrrolidone, and copolymers of (meth)acrylic acid and (meth)acrylates. In the examples mentioned above, the selected species can optionally be phosphorylated, sulfonated or sulfated and neutralized with a base.

[0127] Possible anionic surfactants are all such substances which are usually used in agricultural chemicals. Alkali metal salts, alkaline earth metal salts and ammonium salts of alkylsulfonic acids or alkylphosphonic acids and alkylarylsulfonic acids or alkylarylphosphonic acids are preferred. Another group of preferred anionic surfactants or dispersing aids are alkali metal salts, alkaline earth metal salts and ammonium salts of polystyrenesulfonic acid, salts of polyethylenesulfonic acid, salts of alkylnaphthalenesulfonic acids, salts of naphthalene-sulfonic acid-formaldehyde condensation products, salts of naphthalenesulfonic acid, phenolsulfonic acid and formaldehyde condensation products, and salts of ligninsulfonic acid.

[0128] d3) Rheology modifier:

[0129] A rheology modifier is an additive that, when added to a formulation at a concentration that reduces gravity separation of the dispersed active ingredient during storage, results in a significant increase in viscosity at low shear rates. For the purposes of this invention, low shear rates are defined as 0.1 s -1 and below, and increases significantly for values ​​greater than x2. Viscosity can be measured by a rotational shear rheometer.

[0130] Suitable rheology modifiers d3) are, for example:

[0131] - Polysaccharides including xanthan gum and hydroxyethylcellulose. Examples are G and 23, CX911 and 250 Series.

[0132] - Clays, including montmorillonite, bentonite, sepiolite, attapulgite, laponite, hectorite. Examples are R. Van B. 34, 38, CT, HC, EW, M100, M200, M300, S, M, W, 50. RD,

[0133] - fumed silica and precipitated silica, examples being 200, twenty two.

[0134] -Microcrystalline cellulose.

[0135] Xanthan gum, montmorillonite clay, bentonite and fumed silica are preferred.

[0136] d4) Defoaming substances:

[0137] Suitable antifoam substances d4) are all substances which can usually be used for this purpose in agrochemicals. Preference is given to silicone oils and silicone oil preparations. Examples are the silicone oils from Bluestar Silicones. 426 and 432, from Wacker SRE and SC132 from Silchem Foam-Clear by Basildon Chemical Company Ltd From Momentive 1572 and 30 [Dimethylsiloxane and silicone, CAS No. 63148-62-9]. 1572.

[0138] d5) Antifreeze:

[0139] Suitable antifreeze agents are all substances which can usually be employed for this purpose in agrochemicals. Suitable examples are propylene glycol, ethylene glycol, urea and glycerol.

[0140] d6) Other additives:

[0141] Further suitable auxiliaries d6) are selected from preservatives, biocides, colorants, pH regulators, buffers, stabilizers, antioxidants, inert filler materials, wetting agents, crystal growth inhibitors or micronutrients.

[0142] For example, the other auxiliary agents are:

[0143] Possible preservatives are all substances which can usually be used for this purpose in agricultural chemicals. Suitable examples of preservatives are preparations containing 5-chloro-2-methyl-4-isothiazolin-3-one [CAS No. 26172-55-4], 2-methyl-4-isothiazolin-3-one [CAS No. 2682-20-4] or 1,2-benzisothiazol-3-(2H)-one [CAS No. 2634-33-5]. Examples which may be mentioned are D7 (Lanxess), CG / ICP(Dow), SPX (Thor GmbH) and GXL (Arch Chemicals).

[0144] Possible colorants are all substances which can usually be used for this purpose in agrochemicals. For example, mention may be made of titanium dioxide, carbon black, zinc oxide, blue pigments, brilliant blue FCF, red pigments and permanent red FGR.

[0145] Possible pH regulators and buffers are all substances which can usually be used for this purpose in agrochemicals. For example, citric acid, sulfuric acid, hydrochloric acid, sodium hydroxide, sodium hydrogen phosphate (Na 2 HPO 4 ), sodium dihydrogen phosphate (NaH 2 PO 4 ), potassium dihydrogen phosphate (KH 2 PO 4 ), potassium hydrogen phosphate (K 2 HPO 4 ).

[0146] Suitable stabilizers and antioxidants are all substances which can usually be employed for this purpose in agrochemicals. Preference is given to butylhydroxytoluene [3,5-di-tert-butyl-4-hydroxytoluene, CAS No. 128-37-0].

[0147] Carriers e) are those carriers which can usually be used for this purpose in agrochemical formulations.

[0148] CarrierIt is a solid or liquid, natural or synthetic, organic or inorganic substance that is generally inert and can be used as a solvent. The carrier can generally improve the application of the compound to, for example, plants, plant parts or seeds. Examples of suitable solid carriers include, but are not limited to, ammonium salts, particularly ammonium sulfate, ammonium phosphate and ammonium nitrate, natural rock powders (e.g., kaolin, clay, talc, chalk, quartz, attapulgite, montmorillonite and diatomaceous earth), silica gel and synthetic rock powders (e.g., finely divided silicon dioxide, aluminum oxide and silicates). Examples of useful solid carriers commonly used to prepare granules include, but are not limited to, pulverized and graded natural rocks (e.g., calcite, marble, pumice, sepiolite and dolomite), synthetic particles of inorganic and organic powders and particles of organic materials (e.g., paper, sawdust, coconut shells, corn cobs and tobacco stalks).

[0149] Preferred solid carriers are selected from clay, talc and silica.

[0150] Examples of suitable liquid carriers include, but are not limited to, water, organic solvents, and combinations thereof. Examples of suitable solvents include polar and non-polar organic chemical liquids, such as from the following categories:

[0151] - alcohols and polyols (which may also optionally be substituted, etherified and / or esterified, for example ethanol, propanol, butanol, benzyl alcohol, cyclohexanol or ethylene glycol, 2-ethylhexanol),

[0152] - ethers, such as dioctyl ether, tetrahydrofuran, isosorbide dimethyl ether, solketal, cyclopentyl methyl ether, solvents of the Dowanol product series provided by Dow (such as Dowanol DPM), anisole, phenethyl ether, dimethyl polyethylene glycol of different molecular weight grades (less than 1000 g / mol), dimethyl polypropylene glycol of different molecular weight grades (less than 1000 g / mol), dibenzyl ether,

[0153] - ketones (e.g. acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclopentanone, cyclohexanone, cycloheptanone, acetophenone, propiophenone),

[0154] - lactic acid esters, such as methyl lactate, ethyl lactate, propyl lactate, butyl lactate, 2-ethylhexyl lactate,

[0155] - unsubstituted and substituted amines,

[0156] - amides (for example dimethylformamide, or N,N-dimethyllactamide, or N-formylmorpholine, or fatty acid amides, such as N,N-dimethyldecylamide or N,N-dimethyldec-9-enamide) and esters thereof,

[0157] - lactams (e.g. 2-pyrrolidone, or N-alkylpyrrolidone, for example N-methylpyrrolidone, or N-butylpyrrolidone, or N-octylpyrrolidone, or N-dodecylpyrrolidone, or N-methylcaprolactam, N-alkylcaprolactam),

[0158] - lactones (for example γ-butyrolactone, γ-valerolactone, δ-valerolactone, or α-methyl γ-butyrolactone),

[0159] - sulfones and sulfoxides (for example dimethyl sulfoxide),

[0160] - Nitriles, for example linear or cyclic alkylnitriles, in particular acetonitrile, cyclohexanecarbonitrile, octanonitrile, dodecanonitrile.

[0161] - linear and cyclic carbonates, for example diethyl carbonate, dipropyl carbonate, dibutyl carbonate, dioctyl carbonate, or ethylene carbonate, propylene carbonate, butylene carbonate, carbonate esters.

[0162] The most preferred carrier is water.

[0163] With the aid of the tank-mix additives according to the invention, active agrochemicals can be delivered to plants and / or their habitat in a particularly advantageous manner.

[0164] The invention further relates to the use of an agrochemical formulation containing the tank-mix additive according to the invention for applying the agrochemically active compounds contained therein to plants and / or their habitat.

[0165] All plants and plant parts can be treated using the tank-mixed additive of the present invention. Plants herein mean all plants and plant populations, such as desired and unwanted wild plants or crop plants (including naturally occurring crop plants). Crop plants can be plants that can be obtained by conventional breeding and optimization methods or by biotechnology and gene technology methods or a combination of these methods, including transgenic plants, and including plant cultivars that can or cannot be protected by variety property rights. Plant parts mean all parts and organs above and below the ground of plants, such as buds, leaves, flowers and roots, and exemplary lists include leaves, needles, stems, stems, flowers, fruiting bodies, fruits and seeds, as well as roots, tubers and rhizomes. Plant parts also include harvested materials and asexual and sexual propagation materials.

[0166] The application rate of the tank-mix additive of the present invention can vary within a relatively wide range. It is guided by the specific active agrochemical and its amount in the agrochemical formulation.

[0167] Another aspect of the present invention is the use of the tank-mix additive of the present invention in applying agricultural chemical compounds to control pests, wherein the formulation or spray liquid containing the tank-mix additive is applied by an unmanned aerial vehicle UAV or an unmanned guided vehicle UGV or a nozzle device using pulse width modulation PWM.

[0168] The formulations or spray liquors containing the tank-mix additives are applied by conventional methods, ie, for example, by spraying, pouring or injection, in particular by atomization, and most particularly by spraying via an unmanned aerial vehicle UAV or unmanned guided vehicle UGV or a nozzle device using pulse width modulation PWM.

[0169] Attached pictures:

[0170] Figure 1 The % of spray droplet size < 100 microns for the formulation of Example 1 at various spray rates is shown.

[0171] Figure 2 The % of spray droplet size < 100 microns for the formulation of Example 2 at various spray rates is shown.

[0172] Figure 3 The % of spray droplet size < 100 microns for the formulation of Example 3 at various spray rates is shown.

[0173] Figure 4 The % of spray droplet size < 100 μm for Example Polymer 1 is shown for different PEO polymer molar masses and concentrations.

[0174] Figure 5 The % of spray droplet size < 100 microns for Example Polymer 2 is shown for different PEO polymer molar masses and PCF values.

[0175] Materials

[0176] Material

[0177] Table MAT1: Exemplary trade names and CAS numbers of preferred drift reduction materials - polymers a)

[0178]

[0179]

[0180] Table MAT2: Exemplary Trade Names and CAS Numbers of Preferred Drift Reduction Materials - Oil b)

[0181]

[0182]

[0183] Table MAT3: Exemplary trade names and CAS numbers of preferred spreading agent compounds c)

[0184]

[0185]

[0186] Table MAT4: Exemplary trade names and CAS numbers of preferred absorption-enhancing additives c)

[0187]

[0188] Table MAT5: Exemplary trade names of preferred rainproof additives d)

[0189]

[0190]

[0191] Table MAT6: Exemplary trade names and CAS numbers of preferred further auxiliaries d)

[0192]

[0193]

[0194]

[0195] Experimental methods

[0196] Method 1: Preparation of tank-mixed additives

[0197] The preparation method of liquid tank mix compositions is known in the art and can be prepared by known methods familiar to those skilled in the art.

[0198] A 1-4% solution of drift reducing polymer (a) was prepared by mixing the polymer with glycerol (25%) and pouring the mixture into water (to 100%) under stirring until homogeneous. A 50% oil-in-water emulsion of drift reducing oil (b) was prepared by mixing the polymer with glycerol (25%) under stirring until homogeneous. Under low shear stirring, the oil (50%) is added to the water (49%) and Synperonic PE / F127 (1%) solution to obtain a droplet size of 1 to 4 microns (Dv50). The other auxiliary agents (d), spreading agents and / or absorption enhancing additives (c) are mixed with the remaining water, and then mixed with the polymer (a) solution prepared above, the 50% oil (b) emulsion prepared above, under low shear stirring until uniform. Additional water (e) is added as needed to reach the final total volume. Finally, if necessary, the pH is adjusted with acid or base (d).

[0199] Prepare polymer (a) solution according to the viscosity concentration limit and content required in the formulation. Typical example values ​​are: Polyox WSR301 (1-2%), Polyox WSR N60K (1-3%), Polyox WSR N12K (2-4%), AgRhoDR2000 (1-2%).

[0200] Method 2: Spray droplet size P15 measurement

[0201] The composition is diluted in water (deionized) to the desired concentration by The TP8002EVS nozzle sprays at a pressure of 3 bar and the droplet size spectrum is measured using an Oxford Lasers VisiSize P15, which captures images of the spray droplets and measures their size. The spray nozzle is located 20 cm above the image capture point and is slowly moved across the image capture window of the VisiSize P15 by a motorized slider, ensuring that the entire width of the spray blower is measured. At least 5000 to 10000 droplet images are captured. The droplet size spectrum is calculated by the instrument software as the volume % less than 100 microns and the volume % less than 150 microns, which is generally considered to be the driftable fraction of the spray droplets. Example

[0202] Embodiment 1:

[0203] Table 1.1: Recipes 1, 2, 3, 4, 5 and 6.

[0204]

[0205] The preparation method used is the same as method 1.

[0206] Physical Aspect

[0207] Physical properties with regard to viscosity were assessed visually.

[0208] Table 1.2: Physical properties of the formulations.

[0209]

[0210] The results showed that the polymer WSR N12K can be added to the additive tank mix formulation at a concentration of 2 to 12 g / L without making the sample too viscous.

[0211] Spray droplet size

[0212] The spray droplet size was determined according to method 2.

[0213] Table 1.3: Driftable fraction of spray droplets.

[0214]

[0215] The tank-mix additive was sprayed at a dosage rate of 0.5 L / ha.

[0216] The results showed that the polymer The combination of WSR N12K (PEO 1 million) and rapeseed oil can reduce the driftable fraction of spray droplets <100 μm and <150 μm in the spray rate range of 5 to 1000 L / ha (see Figure 1 ). The use of polymers alone can only reduce the driftable fraction of spray droplets at lower spray volumes, while the use of oils alone can only reduce the driftable fraction of spray droplets at higher spray volumes. Only the combination of the two can be effective at both lower and higher spray volumes. In addition, polymers The dosage of WSR N12K is important, with 2 g / L (equivalent to 1 g / ha) having a weaker effect than 8 g / L (equivalent to 4 g / ha) and 12 g / L (equivalent to 6 g / ha). Also surprisingly, the polymer required to reduce the driftable fraction of the spray droplets The rates of WSR N12K and rapeseed oil were very low, and these rates were well below the usual rates (g / ha) for these materials.

[0217] Table 1.4: Concentrations of drift reduction polymers, drift reduction oils and spreading agents and absorption enhancers in the spray dilution.

[0218]

[0219]

[0220] The tank-mix additive was sprayed at a dosage rate of 0.5 L / ha.

[0221] Example 2 :

[0222] Table 2.1: Recipes 7, 8, 9, 10, 11 and 12.

[0223]

[0224] The preparation method used is the same as method 1.

[0225] Physical properties

[0226] Physical properties with regard to viscosity were assessed visually.

[0227] Table 2.2: Physical properties of the formulations.

[0228]

[0229] The results showed that the polymer WSR301 can be added to the additive tank mix formulation at a concentration of 1 to 4 g / L without making the sample too viscous.

[0230] Spray droplet size

[0231] The spray droplet size was determined according to method 2.

[0232] Table 2.3: Driftable fraction of spray droplets.

[0233]

[0234]

[0235] The tank-mix additive was sprayed at a dosage rate of 0.5 L / ha.

[0236] The results showed that the polymer The combination of WSR 301 (PEO 4 million) and rapeseed oil methyl ester can reduce the driftable fraction of spray droplets <100 μm and <150 μm in the spray rate range of 5 to 1000 L / ha (see Figure 2 ). In addition, the polymer in the formula The dosage of WSR 301 is important, with 1 g / L (equivalent to 0.5 g / ha) having a weaker effect than 2.2 g / L (equivalent to 1.1 g / ha) and 4 g / L (equivalent to 2 g / ha). Also surprisingly, the polymer required to reduce the driftable fraction of the spray droplets The application rates of WSR 301 and rapeseed oil methyl ester were very low, and these rates were much lower than the usual application rates (g / ha) of these materials.

[0237] Table 2.4: Concentrations of drift reduction polymers, drift reduction oils and spreading agents and absorption enhancers in the spray dilution.

[0238]

[0239]

[0240] The tank-mix additive was sprayed at a dosage rate of 0.5 L / ha.

[0241] Example 3

[0242] Table 3.1: Recipes 13, 14, 15 and 16.

[0243]

[0244]

[0245] The preparation method used is the same as method 1.

[0246] Physical properties

[0247] Physical properties with regard to viscosity were assessed visually.

[0248] Table 1.2: Physical properties of the formulations.

[0249]

[0250] The results showed that the polymer WSR N60K can be added to tank mix adjuvant formulations at a concentration of 4.4 g / L without making the sample too viscous.

[0251] Spray droplet size

[0252] The spray droplet size was determined according to method 2.

[0253] Table 3.3: Driftable fraction of spray droplets.

[0254]

[0255]

[0256] The tank-mix additive was sprayed at a dosage rate of 0.5 L / ha.

[0257] The results showed that the polymer The combination of WSR N60K and sunflower oil can reduce the driftable fraction of spray droplets <100 μm and <150 μm in the spray rate range of 5 to 200 L / ha (see Figure 3 ). Also surprisingly, the polymer required to reduce the driftable fraction of the spray droplets Very low rates were used for WSR N60K (2.2 g / ha) and sunflower oil (10 g / ha), which were much lower than the usual rates (g / ha) for these materials.

[0258] Table 3.4: Concentrations of drift reduction polymers, drift reduction oils and spreading agents and absorption enhancers in the spray dilution.

[0259]

[0260]

[0261] The tank-mix additive was sprayed at a dosage rate of 0.5 L / ha.

[0262] Example Polymer 1 :

[0263] Table P1.1: Spray droplet size of aqueous polymer solution

[0264]

[0265] The measurement was performed by method 2.

[0266] These results indicate that many high molecular weight (molar mass) polymers have little or no effect on reducing the driftable fraction of spray droplets. However, the effect of poly(ethylene oxide) (PEO) is clearly evident and shows the strongest effect herein. DR2000 (HP guar gum) also stood out for its effectiveness in reducing the driftable fraction of the spray droplets.

[0267] For kappa-carrageenan and xanthan polymers, limited reductions in the driftable fraction of the spray droplets were observed. However, in order to achieve a significant reduction in the driftable fraction of the spray droplets, the amount of polymer required in the formulation was very high, with the result that at such amounts the tank mix formulations were too viscous to pour from the bottle and were difficult to disperse in the spray liquid.

[0268] Example Polymer 2 :

[0269] Table P2.1: Spray droplet size of aqueous PEO polymer solution.

[0270]

[0271] The measurements were performed by Method 2. The dosage rate of the polymer used for PCF calculation was: 0.5 L / ha.

[0272] The results in Table P2.1 show that the molar mass (molecular weight) of the PEO Polyox polymer has a significant effect on the fraction of driftable droplets, with 4 million mol PEO having a stronger effect than 2 million mol PEO, which in turn has a stronger effect than 1 million mol PEO. Figure 4 Drawn in.

[0273] To account for this effect, a polymer concentration factor (PCF) was defined for the amount of PEO polymer in the tank mix additive, where C is the concentration of the drift reducing polymer (a) in the tank mix additive (g / L), M is the molar mass of the drift reducing polymer (a) (g / mol / 1x10 6 ), a is 1.4, and D is the dosage rate of the tank mix additive per hectare (L / ha). The PCF value is calculated according to the following equation:

[0274] PCF=C×M a ×D

[0275] The PCF values ​​of the formulations used in the examples are listed in Table P2.2 and cover a range of about 1 to 14. The correlation between the PCF value and the driftable fraction of the spray droplets is plotted in Figure 5 The results show that the PCF value is preferably in the range of about 2 to about 10. Below about 2 and above about 10, the PCF coefficient has little effect on the % value of <100 microns ( Figure 5 In addition, the PCF value can also be used for polymer contents of PEO at other molar mass levels (e.g., as low as 0.5 million g / mol and up to 10 million g / mol) and intermediate molar mass levels (e.g., 1.5 million and 3 million g / mol).

[0276] Table P2.2 PCF values ​​of example formulations

[0277]

Claims

1. A tank-mixed additive for agricultural chemical preparations, comprising: a) one or more polymer-based drift reduction additives selected from poly(ethylene oxide) and hydroxypropylated guar gum, b) one or more oil-based drift reduction additives, c) one or more spreading agents and / or absorption-enhancing additives, d) other additives, e) one or more carriers to make up to the total volume, wherein at least one carrier is water, It is characterized in that a) exists at 0.2-50 g / L, b) present at 0.5-45 g / L, c) present at 10-200 g / L, d) present at 20-300 g / L.

2. The tank-mixed additive for agricultural chemical preparations according to claim 1, wherein a) present at 1-15 g / L, b) present at 5-25 g / L, c) present at 25-140 g / L, d) present at 30-135 g / L, e) Fill up to the total volume with carrier.

3. The tank-mix additive for agricultural chemical formulations according to claim 1 or 2, wherein a) is selected from poly(ethylene oxide) having an average molecular weight of preferably 500,000 to 14 million g / mol, more preferably 750,000 to 10 million g / mol, and most preferably 1 million to 8 million g / mol.

4. The tank-mix additive for agricultural chemical formulations according to claim 3, wherein the polymer concentration factor PCF of the formulation is 1 to 10.

5. The tank mix additive according to claim 4, wherein the polymer concentration factor PCF for the PEO polymer content in the tank mix additive is calculated according to the following equation: P×M in, C is the concentration of drift reducing polymer (a) in the tank mix additive (g / L), M is the molar mass of drift reducing polymer (a) (g / mol / 1x10 6 ), a is 1.4, and D is the dosage rate of the tank mix additive per hectare (L / ha).

6. Tank-mix additive for agrochemical formulations according to claims 1 to 5, wherein b) is selected from vegetable oils and vegetable oil esters and vegetable oil diesters, including esters with glycerol and propylene glycol.

7. Tank-mix additive for agrochemical formulations according to one or more of claims 1 to 6, wherein the spreading agent c) is selected from sodium dioctyl sulfosuccinate, polyalkylene oxide-modified heptamethyltrisiloxane, ethoxylated diacetylenediol having 1 to 6 ethylene oxide units or ethoxylated alcohols or propoxy-ethoxylated alcohols having 6 to 22 carbon atoms and an average of 5 to 40 ethylene oxide and / or propylene oxide units, preferably selected from sodium dioctyl sulfosuccinate, polyalkylene oxide-modified heptamethyltrisiloxane and ethoxylated diacetylenediol having 1 to 6 ethylene oxide units.

8. Tank-mix additive for agrochemical formulations according to one or more of claims 1 to 7, wherein the absorption-promoting additive c) is selected from: alcohol alkoxylates containing 6 to 22 carbon atoms; ethoxylated carboxylic acids or propoxy-ethoxylated carboxylic acids containing 6 to 22 carbon atoms; ethoxylated monoesters, diesters or triesters of glycerol containing fatty acids having 8 to 18 carbon atoms and an average of 5 to 60 ethylene oxide units; alkoxylated sorbitan fatty acid esters containing fatty acids having 8 to 18 carbon atoms and an average of 10 to 50 ethylene oxide and propylene oxide units; ethoxylated coconut alcohol containing 2 to 20 ethylene oxide units; or castor oil The ethoxylates, which contain an average of 5 to 40 ethylene oxide units, are preferably selected from: ethoxylated alcohols or propoxy-ethoxylated alcohols, which contain 6 to 22 carbon atoms and an average of 5 to 40 ethylene oxide and / or propylene oxide units; ethoxylated carboxylic acids or propoxy-ethoxylated carboxylic acids, which contain 6 to 22 carbon atoms and an average of 5 to 40 ethylene oxide and / or propylene oxide units; ethoxylated monoesters, diesters or triesters of glycerol, which contain fatty acids having 8 to 18 carbon atoms and an average of 5 to 60 ethylene oxide units; alkoxylated sorbitan fatty acid esters, which contain fatty acids having 8 to 18 carbon atoms and an average of 10 to 50 ethylene oxide and propylene oxide units.

9. The tank-mix additive for agricultural chemical formulations according to one or more of claims 1 to 8, wherein the further adjuvant d) is one or more substances selected from the group consisting of: rainproof additives, surfactants, rheology modifiers, defoaming substances, antifreeze agents, preservatives, biocides, colorants, pH regulators, buffers, stabilizers, antioxidants, inert filler materials, wetting agents, crystal growth inhibitors or micronutrients.

10. The tank-mix additive for agricultural chemical formulations according to one or more of claims 1 to 9, wherein the ratio of a) to b) in the tank-mix additive is 1:40 to 10:1, more preferably 1:10 to 5:1, most preferably 1:6 to 2:

1.

11. The tank-mixed additive for agricultural chemical formulations according to one or more of claims 1 to 9, wherein the ratio of a) to b) to c) in the tank-mixed additive is 1:40:150 to 10:1:10, more preferably 1:12:120 to 2:1:5, most preferably 1:8:50 to 1:2:

5.

12. A method for applying the agrochemical tank-mix additive according to one or more of claims 1 to 11 to crops, wherein the tank-mix additive is applied at a spray rate of 1 L / ha to 2000 L / ha, preferably 5 L / ha to 1500 L / ha, more preferably 8 L / ha to 1200 L / ha.

13. A method of applying an agrochemical tank-mix additive composition according to one or more of claims 1 to 11 to crops, wherein the tank-mix additive is applied at a spray rate of 1 to 25 L / ha, preferably 2 to 20 L / ha, more preferably 5 to 15 L / ha.

14. Use of the tank mix additive according to one or more of claims 1 to 11 for delivery to an agricultural target plot in the following amounts: a) in an amount of 0.5 to 15 g / ha, more preferably 1 to 12 g / ha, most preferably 1 to 10 g / ha, and b) in an amount of 0.5 to 40 g / ha, more preferably 1 to 20 g / ha, most preferably 2 to 10 g / ha, and The amount of c) is from 10 to 200 g / ha, more preferably from 15 to 160 g / ha, most preferably from 20 to 100 g / ha.

15. Use of the tank-mixed additive according to one or more of claims 1 to 11 in applying agricultural chemical compounds to control pests, wherein the formulation or spray liquid containing the tank-mixed additive is applied by an unmanned aerial vehicle UAV or an unmanned guided vehicle UGV or a nozzle device using pulse width modulation PWM.

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