OA21262A - Socycloseram formulation. - Google Patents
Socycloseram formulation. Download PDFInfo
- Publication number
- OA21262A OA21262A OA1202300220 OA21262A OA 21262 A OA21262 A OA 21262A OA 1202300220 OA1202300220 OA 1202300220 OA 21262 A OA21262 A OA 21262A
- Authority
- OA
- OAPI
- Prior art keywords
- weight
- composition
- composition according
- isocycloseram
- copolymer
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 112
- 238000009472 formulation Methods 0.000 title claims description 16
- WLSQDEYDCAGPIR-UHFFFAOYSA-N isocycloseram Chemical compound O=C1N(CC)OCC1NC(=O)C1=CC=C(C=2CC(ON=2)(C=2C=C(Cl)C(F)=C(Cl)C=2)C(F)(F)F)C=C1C WLSQDEYDCAGPIR-UHFFFAOYSA-N 0.000 claims abstract description 57
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- 229920001577 copolymer Polymers 0.000 claims abstract description 31
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- 229960000846 camphor Drugs 0.000 description 1
- 229930008380 camphor Natural products 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 230000031902 chemoattractant activity Effects 0.000 description 1
- 235000019693 cherries Nutrition 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 235000020971 citrus fruits Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 235000016213 coffee Nutrition 0.000 description 1
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- 238000005520 cutting process Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 235000019329 dioctyl sodium sulphosuccinate Nutrition 0.000 description 1
- YHAIUSTWZPMYGG-UHFFFAOYSA-L disodium;2,2-dioctyl-3-sulfobutanedioate Chemical compound [Na+].[Na+].CCCCCCCCC(C([O-])=O)(C(C([O-])=O)S(O)(=O)=O)CCCCCCCC YHAIUSTWZPMYGG-UHFFFAOYSA-L 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
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- 239000003337 fertilizer Substances 0.000 description 1
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- 238000007710 freezing Methods 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- ZXQYGBMAQZUVMI-GCMPRSNUSA-N gamma-cyhalothrin Chemical compound CC1(C)[C@@H](\C=C(/Cl)C(F)(F)F)[C@H]1C(=O)O[C@H](C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 ZXQYGBMAQZUVMI-GCMPRSNUSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 238000003898 horticulture Methods 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
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- 229920000126 latex Polymers 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- QCAWEPFNJXQPAN-UHFFFAOYSA-N methoxyfenozide Chemical compound COC1=CC=CC(C(=O)NN(C(=O)C=2C=C(C)C=C(C)C=2)C(C)(C)C)=C1C QCAWEPFNJXQPAN-UHFFFAOYSA-N 0.000 description 1
- 235000019713 millet Nutrition 0.000 description 1
- 235000010460 mustard Nutrition 0.000 description 1
- 239000005645 nematicide Substances 0.000 description 1
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- 239000005648 plant growth regulator Substances 0.000 description 1
- 235000021018 plums Nutrition 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000012015 potatoes Nutrition 0.000 description 1
- 235000015136 pumpkin Nutrition 0.000 description 1
- QHMTXANCGGJZRX-WUXMJOGZSA-N pymetrozine Chemical compound C1C(C)=NNC(=O)N1\N=C\C1=CC=CN=C1 QHMTXANCGGJZRX-WUXMJOGZSA-N 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 235000021013 raspberries Nutrition 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 235000020354 squash Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 235000021012 strawberries Nutrition 0.000 description 1
- 235000013616 tea Nutrition 0.000 description 1
- NWWZPOKUUAIXIW-FLIBITNWSA-N thiamethoxam Chemical compound [O-][N+](=O)\N=C/1N(C)COCN\1CC1=CN=C(Cl)S1 NWWZPOKUUAIXIW-FLIBITNWSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
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Abstract
This invention relates to a composition comprising: (a) isocycloseram, (b) a polyoxyalkylene copolymer, (c) an acrylic graft copolymer, and (d) an oxygenated hydrocarbon compound. Figure to published : Figure 1
Description
ISOCYCLOSERAM FORMULATION
This invention relates to a composition comprising isocycloseram. More particularly, this invention relates to millbases, or to formulations such as suspension concentrâtes (SC), flowable suspensions (FS), suspoemulsions (SE), suspension concentrate-capsule suspension blends (ZC), ready-to-use baits (RB), water soluble granules (SG), water dispersible granules (WG), and water dispersible tablets (WT); to dilutions or dispersions of such formulations more particularly in a farmer’s spray-tank; and to use of such a composition to combating and/or control an animal pest.
Isocycloseram is an insecticidal agrochemical, and is more particularly a solid at room température (25°C). It is convenient to préparé isocycloseram as a fine suspension of dispersed particles in a liquid medium, typically by milling isocycloseram to produce a millbase which may then be further processed by the addition of other ingrédients or even by a drying stage.
However, it has been found that with isocycloseram, conventional millbase approaches présent a number of problems, such as for example millbases are difficult to make at largescale processing (especially at a manufacturing site) due to the poor wetting of isocycloseram, and it was observed that millbases increased in viscosity when exposed to changing températures (for example when exposed to freeze/thaw cycles).
The aim of the présent invention is to overcome the problems of the prior art techniques by proposing a composition comprising isocycloseram, guaranteeing a température stability when exposed to changing températures, while being easy to process at a large-scale.
To this end, an object of the présent invention is to provide a composition comprising:
(a) isocycloseram, (b) a polyoxyalkylene copolymer, (c) an acrylic graft copolymer, and (d) an oxygenated hydrocarbon compound.
Thanks to the combination of (b), (c) and (d) with isocycloseram, ail the above problems hâve been overcome.
-2The composition of the présent invention can comprise from 0.01% to 70% by weight of isocycloseram, preferably from 0.1% to 70% by weight of isocycloseram, preferably from 5% to 70% by weight of isocycloseram, preferably from 10% to 70% by weight of isocycloseram, preferably from 20% to 60% by weight of isocycloseram, and more preferably from 40% to 60% by weight of isocycloseram, over the total weight of the composition.
Isocycloseram is an insecticidal agrochemical with the following CAS number: 2061933-85-3, and has the following Chemical formula:
Isocycloseram is more particularly a solid at room température (25°C), and has a low aqueous solubility, which is typically less than 5 mg/1 at 20°C.
More particularly, the melting point of isocycloseram may be from 135 to I50°C, preferably from 138 to 148°C, and more preferably of141± 2°C.
The melting point of isocycloseram is conventionally obtained using Differential Scanning Calorimetry (DSC) with a heating rate of 10°C/minute.
Isocycloseram can comprise the isomer (5S,4R) which is 4-[(5S)-5-(3,5-dichloro-4fluoro-phenyl)-5-(trifluoromethyl)-4H-isoxazol-3-yl]-N-[(4R)-2-ethyl-3-oxo-isoxazolidin-4yl]-2-methyl-benzamide, and optionally at least one of the isomers selected among isomer (5S,4S), isomer (5R,4R), isomer (5R,4S), and any combinations thereof. In the présent invention, the isomer (5S,4S) is 4-[(5S)-5-(3,5-dichloro-4-fluoro-phenyl)-5-(trifluoromethyl)4H-isoxazol-3-yl]-N-[(4S)-2-ethyl-3-oxo-isoxazolidin-4-yl]-2-methyl-benzamide; the isomer (5R,4R) is 4-[(5R)-5-(3,5-dichloro-4-fluoro-phenyl)-5-(trifluoromethyl)-4H-isoxazol-3-yl]
-3N-[(4R)-2-ethyl-3-oxo-isoxazolidin-4-yl]-2-methyl-benzamide; and the isomer (5R,4S) is 4[(5R)-5-(3,5-dichloro-4-fluoro-phenyl)-5-(trifluoromethyl)-4H-isoxazol-3-yl]-N-[(4S)-2ethyl-3-oxo-isoxazolidin-4-yl]-2-methyl-benzamide. When isocycloseram further comprises at least one of the isomers selected among isomer (5S,4S), isomer (5R,4R), isomer (5R,4S), and any combinations thereof, isocycloseram can comprise a molar proportion of the isomer (5S,4R) greater than 50%, e.g. at least 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%, 96%, 97%, 98% or 99%, over the total amount of the isomers (5S,4R), (5S,4S), (5R,4R) and (5R,4S).
The composition of the présent invention can comprise from 0.0005% to 50% by weight of the polyoxyalkylene copolymer, preferably from 0.1% to 30% by weight of the polyoxyalkylene copolymer, and preferably from 1% to 20% by weight of the polyoxyalkylene copolymer, over the total weight of the composition.
In the présent invention, the polyoxyalkylene copolymer can be obtained from at least two different alkylene oxides, such as from ethylene oxide and propylene oxide monomers.
The polyoxyalkylene copolymer can be more preferably a polyoxyalkylene block copolymer of the AB, ΑΒΑ, BAB, or ABABA type.
More particularly, the polyoxyalkylene copolymer can be prepared by ring-opening polymerization of the corresponding cyclic ethylene oxide and propylene oxide monomers.
Typically, the ring-opening polymerization is initiated by addition of water and alkali hydroxides, such as sodium hydroxide and potassium hydroxide. The block structure of the copolymer is formed by first polymerizing a polymer block using one monomer, before adding a second monomer to form further polymer blocks.
In a preferred embodiment, the polyoxyalkylene copolymer can be an ethylene oxidepropylene oxide-ethylene oxide block copolymer (EO-PO-EO block copolymer), or in other words a poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) block copolymer or a poly(ethylene glycol)-poly(propylene glycol)-poly(ethylene glycol) block copolymer.
The polyoxyalkylene copolymer of the invention, and more particularly the EO-POEO block copolymer, can hâve a molecular weight from 1,000 to 15,000 g/mol, and more preferably from 3,000 to 7,000 g/mol.
-4In the présent invention, the expression “a molecular weight” means an average molecular weight (i.e. a molecular weight approximately of). Molecular weight of a polymer, or in other words the molar mass, can be easily determined by method well-known in the art, such as gel perméation chromatography (GPC).
In a first embodiment, the EO-PO-EO block copolymer can hâve a polypropylene oxide molecular weight from 900 to 4,000 g/mol, and preferably from 2,000 to 4,000 g/mol. In other words, the polypropylene oxide molecular weight is the molecular weight of the poly(propylene oxide) block of the EO-PO-EO block copolymer.
In a second embodiment, the EO-PO-EO block copolymer can hâve an ethylene oxide content from 10 to 80%, and preferably from 30 to 50%, overthe total weight of the copolymer. In other words, the ethylene oxide content is the percentage of the poly(ethylene oxide) block in the EO-PO-EO block copolymer.
In a third embodiment, the EO-PO-EO block copolymer can hâve the features of the first embodiment and the features of the second embodiment.
Examples include the GENAPOL® PF sériés (CLARIANT), the PLURONIC® sériés (BASF), the SYNPERONIC® PE sériés (CRODA), or the TOXIMUL® sériés (STEPAN).
The composition of the présent invention can comprise from 0.0005% to 30% by weight of the acrylic graft copolymer, preferably from 0.01% to 30% by weight of the acrylic graft copolymer, and more preferably from 0.1% to 20% by weight of the acrylic graft copolymer, over the total weight of the composition.
The acrylic graft copolymer has typically a comb- or star-like structure, and preferably a comb-Iike structure.
Graft copolymers are branched copolymers wherein the components forming the side chains are structurally different from the components forming the main chain.
Comb-like polymers comprise of a main chain (backbone) which contains branch points from each of which a linear side chain emanates.
-5Star-like polymers comprise of a multifunctional centre from which at least three polymer chains radiate.
In a preferred embodiment, the acrylic graft copolymer can be an amphipathic copolymer.
More particularly, the acrylic graft copolymer comprises at least one component A, which is solvated by an aqueous medium (hydrophilic part), and at least one other component B which is hydrophobie.
Suitable acrylic graft copolymers may comprise polyethylene glycol, mono-methyl ethers of polyethylene glycol, poly(vinyl pyrrolidone), poly(acrylamide) or poly(vinyl alcohol) as hydrophilic side chain, while the hydrophobie backbone may comprise polymers and copolymers of styrene, methyl acrylate, methyl méthacrylate, ethyl acrylate, 2-ethylhexyl acrylate, lauryl méthacrylate, or vinyl acetate.
Such acrylic graft copolymers can for example be prepared by converting the monomethyl ether of a polyethylene glycol to the acrylic or methacrylic ester, which is then subjected to radical polymerization with other unsaturated monomers such as styrene, ethyl acrylate, or methyl méthacrylate. It is also possible to préparé such acrylic graft copolymers by reacting a hydrophobie polymer backbone, which consists chemically reactive sites such as carboxyl, hydroxy, or amine groups, with monomeric alkylene oxides, such as ethylene oxide and propylene oxide, to form hydrophilic side chains.
More preferably, the acrylic graft copolymer is a non-ionic polymer, and more particularly with a comb-like structure.
In the présent invention, the acrylic graft copolymer can comprise polyethylene glycol and/or mono-ether polyethylene glycol side chains.
The acrylic graft copolymer can also comprise a backbone obtained from acrylate and/or méthacrylate monomers.
Even more preferably, the acrylic graft copolymer can comprise a backbone obtained from acrylate and/or méthacrylate monomers, and side chains comprising polyethylene glycol
-6and/or mono-ether polyethylene glycol, giving more particularly the polymer a comb-like structure.
For example, the acrylic graft copolymer of the présent invention can be Atlox 4913™ supplied by CRODA, or Tersperse 2500™ supplied by HUNTSMAN.
The composition of the présent invention can comprise from 0.0001% to 30% by weight of the oxygenated hydrocarbon compound, preferably from 0.01% to 30% by weight of the oxygenated hydrocarbon compound, and more preferably from 0.1% to 20% by weight of the oxygenated hydrocarbon compound, over the total weight of the composition.
The oxygenated hydrocarbon compound can be selected among alkyl ether compounds, alkyl ester compounds, and any mixture thereof; and preferably among polyethylene glycol alkyl ether, sulfonated alkyl ester compounds, and any mixture thereof. In other words, the oxygenated hydrocarbon compound (d) is preferably different from the polyoxyalkylene copolymer (b) and from the acrylic graft copolymer (c).
The polyethylene glycol alkyl ether can be obtained by reacting alcohols with ethylene oxide. Suitable alcohols are linear or branched aliphatic alcohols with a chain length from Cz to Cis, preferably with a chain length from C7 to Cn, and more preferably with a chain length of C9 or Cio. An example can be Rhodasurf DA/630-E™ supplied by SOLVAY-RHODIA,
The sulfonated alkyl ester compound can be a sulfosuccinate ester or a sait of a sulfosuccinate ester. An example can be Aérosol™ OT-B, supplied by SOLVAY-RHODIA.
In the présent invention, the composition may further comprise water.
In a particular embodiment of the présent invention, especially to form a millbase, the composition may comprise:
(a) from 20 to 70% by weight of isocycloseram, and more preferably from 30 to 60% by weight of isocycloseram, over the total weight of the composition, (b) a polyoxyalkylene copolymer, preferably from 0.1% to 10.0% by weight of the polyoxyalkylene copolymer, and more preferably from 1.0% to 4.0% by weight of the polyoxyalkylene copolymer, over the total weight of the composition.
(c) an acrylic graft copolymer, preferably from 0.1% to 10.0% by weight of the acryhc graft copolymer, and more preferably from 0.2% to 2.0% by weight of the acrylic graft copolymer, over the total weight of the composition.
(d) an oxygenated hydrocarbon compound, preferably from 0.01% to 10.0% by weight of the oxygenated hydrocarbon compound, and more preferably from 0.1% to 2.0% by weight of the oxygenated hydrocarbon compound, over the total weight of the composition, and (e) optionally water.
In said particular embodiment, the isocycloseram, the polyoxyalkylene copolymer, the acrylic graft copolymer and the oxygenated hydrocarbon are the compounds described in the présent description.
In another particular embodiment of the présent invention, especially to form formulations such as a suspension concentrate (SC), a flowable suspension (FS), a suspoemulsion (SE), a suspension concentrate-capsule suspension blend (ZC), a ready-to-use bait (RB), water soluble granules (SG), water dispersible granules (WG), and water dispersible tablets (WT), the composition may comprise:
(a) from 0.01% to 50.0% by weight of isocycloseram, and more preferably from 0.1% to 40.0% by weight of isocycloseram, over the total weight of the composition, (b) a polyoxyalkylene copolymer, preferably from 0.0005% to 50.0% by weight of polyoxyalkylene copolymer, and more preferably from 0.002% to 25.0% by weight of polyoxyalkylene copolymer, over the total weight of the composition, (c) an acrylic graft copolymer, preferably from 0.0005% to 20.0% by weight of the acrylic graft polymer and more preferably from 0.001 % to 10.0% by weight of the acrylic graft polymer, over the total weight of the composition, (d) an oxygenated hydrocarbon compound, preferably from 0.0001% to 10.0% by weight of the oxygenated hydrocarbon compound, and more preferably from 0.001% to 5.0% by weight of the oxygenated hydrocarbon compound, over the total weight of the composition, and (e) optionally water.
In said particular embodiment, the isocycloseram, the polyoxyalkylene copolymer, the acrylic graft copolymer and the oxygenated hydrocarbon are the compounds described in the présent description.
The composition of the présent invention may further comprise one or more formulation additives well-known in the art. In particular, the formulation additives can be selected among an anti-freeze agent, an anti-foam agent, an anti-bacterial agent (or biocide), a viscosity modifier (or thickener), a pH modifier, and any mixture thereof.
In a preferred embodiment, the composition of the présent invention can further comprise at least a silicone compound as anti-foam agent. Examples of silicone compounds can be polydimethylsiloxane.
The anti-foam agent can be added in an appropriate amount in the composition, to obtain the desired property. For example, the composition of the présent invention can comprise from 0.0001% to 5% by weight of anti-foam agent, preferably from 0.0001% to 1% by weight of anti-foam agent, and more preferably from 0.01% to 1% by weight of anti-foam agent, over the total weight of the composition.
Other suitable formulation additives include amongst others known to the person skilled in the art, antioxidant, emulsifying agent, colourant (or pigment), perfume, adjuvant, attractant, binder, buffer, solid support (carrier), coating agent, déodorant, emetic agent, inorganic filler, safener, organic solvent, photo-protecting agent, and any mixture thereof.
The composition of the présent invention may further comprise an additional agrochemical. The additional agrochemical can be an insecticide, a fungicide, an herbicide, a synergist, a plant growth regulator, a nematicide, a plant nutrient, a plant fertilizer, and a mixture thereof.
In a particular embodiment, the composition of the présent invention can comprise an additional insecticide selected among abamectin, chlorantraniliprole, chlorfenapyr, cyantraniliprole, emamectin benzoate, ethiprole, gamma-cyhalothrin, lambda-cyhalothrin, lufenuron, methoxyfenozide, pymetrozine, spinetoram, spinosad, sulfoxaflor, thiamethoxam, and any mixtures thereof; and more preferably can comprise an additional insecticide selected
-9among chlorantraniliprole, chlorfenapyr, cyantraniliprole, emamectin benzoate, ethiprole, lambda-cyhalothrin, lufenuron, spinosad, and any mixtures thereof. The weight ratio of isocycloseram to additional insecticide can be from 1:100 to 100:1, preferably from 1:20 to 20:1, preferably from 1:10 to 10:1, preferably from 1:1 to 1:10, and more preferably from 1:1 to 1:6.
When using emamectin benzoate as additional insecticide, a photo-protecting agent can be preferably added to the composition.
The composition of the présent invention may comprise a suitable amount of one or several of the above-mentioned ingredient(s) to obtain the respective properties, when appropriate.
In another object of the présent invention, the composition can be advantageously used to préparé a suspension concentrate (SC), a flowable suspension (FS), a suspoemulsion (SE), a suspension concentrate-capsule suspension blend (ZC), a ready-to-use bait (RB), water soluble granules (SG), water dispersible granules, or water dispersible tablets (WT).
In a particular embodiment, the composition of the présent invention may relate to:
- a concentrate designed to be added to a farmer’s spray tank of water or it may be applied directly without further dilution, or
- a suspension produced in a farmer’s spray tank of water when a concentrate is mixed with water in the spray tank.
In another object of the présent invention, the présent invention relates to a method of combating and/or controlling an animal pest, which comprises applying to the pest, to a locus of the pest, or to a plant susceptible to attack by the pest, the composition according to the présent invention.
The animai pest can be an invertebrate animal pest, such as insects, acarines, nematodes or molluscs. The term plant as used herein includes seedlings, bushes and trees.
The composition according to the présent invention can be used for combating and/or controlling (i.e. containing or destroying) pests of the abovementioned type which occur in
- 10particular on plants, especially on useful plants and omamentals in agriculture, in horticulture and in forests, or on organs, such as fruits, flowers, foliage, stalks, tubers or roots, of such plants, and in some cases even plant organs which are formed at a later point in time remain protected against these pests.
Suitable target crops are, in particular, cereals, such as wheat, barley, rye, oats, rice, maize (e.g. field corn, popcom, com), millet or sorghum; beet, such as sugar or fodder beet; fruit, for example pomaceous fruit, stone fruit or soft fruit, such as apples, pears, plums, peaches, almonds, cherries or berries, for example strawberries, raspberries or blackberries; leguminous crops, such as beans, lentils, peas or soya (soya beans); oil crops, such as oilseed râpe, mustard, poppies, olives, sunflowers, coconut, castor, cocoa or ground nuts; cucurbits, such as pumpkins, cucumbers, melons, watermelons, cucumbers or squashes; fibre plants, such as cotton, flax, hemp or jute; citrus fruit, such as oranges, lemons, grapefruit or tangerines; vegetables, such as spinach, lettuce, asparagus, cabbages, broccolis, cauliflowers, carrots, onions, tomatoes, potatoes or bell peppers; Lauraceae, such as avocado, Cinnamonium or camphor; and also tobacco, nuts, coffee, eggplants, sugarcane, tea, pepper, grapevines, hops, the plantain family and latex plant.
In this method, the composition can be generally applied with an effective amount of isocycloseram.
More preferably, said method is applied in spraying the composition of the présent invention, for example dispensed from a spray container.
Said method can involve an effective amount of the composition applied at a rate of from 0.01 to 5 Litre per Hectare (L/ha), and more preferably from 0.02 to 3.0 L/ha.
In another object of the présent invention, the composition can be a seed treatment formulation, or in other words a plant propagation material can be treated with the composition according to the invention. The term plant propagation material is understood to dénoté ail the generative parts of the plant, such as seeds, which can be used for the multiplication of the latter including végétative plant material such as cuttings. There may be mentioned, as plant propagation material, seeds (in the strict sense), roots, fruits, tubers, bulbs, rhizomes, parts of plants. The plant propagation material can be treated with the composition of the invention before the material is sown or planted. Altematively, the plant propagation material may be treated with the composition of the invention during sowing or planting. Additionally, the
- 11 composition of the invention may be applied to the previously treated propagation material before or during its planting. The composition of the invention may be applied during the sowing of the seed. The composition may also be used to plant propagation material derived from plants grown in a green house and/or during transplantation. Said seed treatment formulation can be applied with rates ranging of from 10 mg to 1 g of active substance (isocycloseram) per kg of seeds, preferably from 10 mg to 500 mg of active substance (isocycloseram) per kg of seeds, and more preferably from 10 mg to 100 mg of active substance (isocycloseram) per kg of seeds.
In another object of the présent invention, the composition may also be used as animal health treatment.
The following non-limiting examples demonstrate the improved behaviour associated with a composition according to the présent invention.
The compounds used in the following examples are detailed below.
- Isocycloseram is an insecticide which is solid at room température (25°C), and has a melting point of 141 ± 2°C (CAS number: 2061933-85-3).
- Pluronic™ PE 10400 is an EO-PO-EO block copolymer (CAS Number: 9003-116), supplied by BASF.
- Atlox™ 4913-LQ-(MV) is a solution comprising around 35% by weight of an acrylic graft copolymer, supplied by CRODA.
- Rhodasurf DA/630-E is a polyethylene glycol alkyl ether (CAS Number: 7833020-8), supplied by SOLVAY-RHODIA.
- Aérosol™ OT-B contains a mixture of sodium dioctyl sulfosuccinate (80-90%) and sodium benzoate (15-20%), supplied by SOLVAY-RHODIA.
Example 1
This example provides a composition, according to the présent invention, which is a millbase (i.e. isocycloseram millbase) and which may be used to préparé further compositions or formulations according to the présent invention. The millbase of Example 1 can include well-known formulation additives such as viscosity modifier, biocide and anti-foam agent.
Water and biocide were added to a double-jacketed formulation vessel and stirring with a sawtooth mixer started at ambient température (20°C). A viscosity modifier was added
- 12quickly, and the mixture was kept stirring until the viscosity modifier had fully dispersed and no lumps were visible anymore. An anti-foam agent, Rhodasurf DA/630-E, Atlox™ 4913-LQ(MV), and Pluronic™ PE 10400 (as a 25% solution in water) were added, in the given order, while continuing mixing. The vessel was connected to a chiller unit and cooled down to 10°C and then isocycloseram was added to the vessel.
When isocycloseram had been completely wetted, high shear mixing (Silverson highshear mixer, 5000 rpm) commenced. The mixture was sheared continuously until it was found to be able to pass through a 150 pm sieve. The mixture was then transferred to a horizontal bead mill and milled until the following médian particle size was achieved: D(v,50) <2pm with 70% below 3pm (measured with a Malvem Mastersizer 2000, laser diffraction particle size analyser).
The concentrations of the components added to form the isocycloseram millbase of Example 1 are listed in the below Table 1, and are expressed in percentage by weight over the total weight of the isocycloseram millbase (% w/w).
| Component | Chemical type | Concentration (% w/w) |
| Isocycloseram | 50.0 | |
| Pluronic™ PE 10400 | Polyoxyalkylene copolymer (b) | 2.5 |
| Atlox™ 4913-LQ-(MV) | Acrylic graft copolymer (c) in solution | 2.5 |
| Rhodasurf DA/630-E | Oxygenated hydrocarbon compound (d) | 1.0 |
| Viscosity modifier | 0.1 | |
| Biocide | 0.05 | |
| Anti-foam agent | 0.3 | |
| Water | ad 100 (rest) |
Table 1
Example 2
-13This example provides a suspension concentrate according to the présent invention. The following components were added to a vessel in the following order: water, biocide, antifreeze, and viscosity modifier were mixed with a paddle stirrer, and then the isocycloseram millbase from Example 1 was added. The resulting composition was mixed for 1 hour under 5 low shear using a paddle stirrer. The pH was adjusted to target (pH 5) using an acidifier (pH modifier). The biocide, the anti-freeze, the viscosity modifier and the pH modifier added to form the suspension concentrate are well-known formulation additives.
The concentrations of the components added to form the suspension concentrate of Example 2 are listed in the below Table 2, and are expressed in percentage by weight over the 10 total volume of the suspension concentrate (% w/v).
| Component | Concentration (% w/v) |
| Isocycloseram millbase (Example 1) | 80 |
| Biocide | 0.31 |
| Anti-freeze | 5 |
| Viscosity modifier | 0.21 |
| pH modifier (acidifier) | ad pH 5 |
| Water | ad volume (rest) |
Table 2
Examples 3-13
A 50 ml glass beaker with an inner diameter of 40 mm was charged with 5 g of an aqueous solution of Pluronic PE 10400, Atlox 4913-LQ-(MV), Rhodasurf DA/630E and Aérosol OT-B, with the concentration of the individual ingrédients as given in below Table 3. To said solution, 5 g of isocycloseram was added within 10 sec. The beaker was left
- 14undisturbed. The wetting of the solid isocycloseram was visually assessed after 1 min, 2 min and 8 min.
A sample was rated as completely wetted when no isocycloseram was floating on top of the liquid anymore, and ail of the isocycloseram had sunken to the bottom of the beaker.
The concentrations of the components in Examples 3-13, expressed in percentage by weight over the total weight of the composition (% w/w), as well as the wetting assessment are gathered in Table 3.
| Ex. | Composition | Wetting assessment | |||||||
| Pluronic PE 10400 (% w/w) | Atlox 4913LQ-(MV) (% w/w) | Rhodasurf DA/630E (·/. w/w) | Acrosol OT-B (·/. w/w) | Isocycloseram (·/. w/w) | Water | 1 min | 2 min | 8 min | |
| 3 | 5 | 50 | ad 100 | incomplète | incomplète | incomplète | |||
| 4 | 5 | 1 | 50 | ad 100 | incomplète | complété | complété | ||
| 5 | 2.5 | 2.5 | 50 | ad 100 | incomplète | incomplète | incomplète | ||
| 6 | 2.5 | 2.5 | 1 | 50 | ad 100 | complété | complété | complété | |
| 7 | 5 | 50 | ad 100 | incomplète | incomplète | incomplète | |||
| 8 | 5 | 1 | 50 | ad 100 | complété | complété | complété | ||
| 9 | 1 | 50 | ad 100 | incomplète | incomplète | complété | |||
| 10 | 2.5 | 2.5 | 1 | 50 | ad 100 | complété | complété | complété | |
| 11 | 5 | 1 | 50 | ad 100 | incomplète | complété | complété | ||
| 12 | 5 | 1 | 50 | ad 100 | incomplète | incomplète | complété | ||
| 13 | 1 | 50 | ad 100 | incomplète | incomplète | complété |
Table 3
Examples 14-23
To préparé 10 g of a given millbase, a 30 ml glass jar was charged with the ingrédients according to the compositions stated in below Table 4. First, Pluronic PE 10400, Atlox 49115 LQ-(MV), Rhodasurf DA/630E, and Aérosol OT-B were dissolved in water. Then an antifoam agent (a formulation additive well-known in the art) and Isocycloseram were added. Finally, 15 ml of zirconium silicate beads (Type Z, 0.8 - 1.0 mm diameter) were added, for wet milling. The jar was shaken for 15 min at 30 s'1 using a Retsch MM200 shaker mill. The
- 15jar was left undisturbed for 75 min to cool down, before it was shaken for another 15 min at 30 s*1. Afterwards, the sample was left to cool down before it was poured through a sieve (150 pm) to remove the zirconium silicate beads. To check the efficiency of the milling process, the particle size was measured using a Malvem Mastersizer 2000 laser diffraction particle size 5 analyser. A satisfying milling process provides a D[4,3] particle size (D[4,3] being well-known as De Brouckere mean diameter or volume-weighted mean diameter) from 1 to 10 pm, and preferably from 1 to 5 pm.
The concentrations of the components in Examples 14-23, expressed in percentage by weight over the total weight of the composition (% w/w), as well as the particle size are 10 gathered in Table 4.
| Example | Composition | Particle Size | ||||||
| Pluronic PE 10400 (% w/w) | Atiox 4913LQ-(MV) (% w/w) | Rhodasurf DA/630E (% w/w) | Aérosol ΟΤ-Β (% w/w) | Anti-foam agent (% w/w) | Isocycloseram (·/. w/w) | Water | D[43I | |
| 14 | 5 | 0.25 | 50 | ad 100 | 2.4 pm | |||
| 15 | 5 | 1 | 0.25 | 50 | ad 100 | 2.5 pm | ||
| 16 | 2.5 | 2.5 | 0.25 | 50 | ad 100 | 2.2 pm | ||
| 17 | 2.5 | 2.5 | 1 | 0.25 | 50 | ad 100 | 2.9 pm | |
| 18 | 5 | 0.25 | 50 | ad 100 | 2.7 pm | |||
| 19 | 5 | 1 | 0.25 | 50 | ad 100 | 2.5 pm | ||
| 20 | 5 | 1 | 0.25 | 50 | ad 100 | 2.5 pm | ||
| 21 | 2.5 | 2.5 | 1 | 0.25 | 50 | ad 100 | 2.7 pm | |
| 22 | 1 | 0.25 | 50 | ad 100 | 2.6 pm | |||
| 23 | 1 | 0.25 | 50 | ad 100 | 9.1 pm |
Table 4
To evaluate the temperature-stability of the samples (Examples 14-23), the viscosity of the samples was measured at varying températures. The viscosity of the samples was determined using an Anton-Parr MCR 502 rheometer, equipped with a CCI7 cup and bob geometry. While rotating the bob with a constant shear stress of 10 Pa, the température was
- 16first lowered from 20°C to -10°C at a rate of 0.5°C/min, before it was brought up to 60°C at a rate of 0.5°C/min.
When reducing the température, the viscosity of a sample is expected to increase until the sample reaches its freezing point. When increasing the température, the viscosity is expected to decrease. Any event leading to an increase of the viscosity while increasing the température indicates the failure of the dispersant System, which can be accompanied by irréversible aggregation of the solid particles.
The results for Examples 14-23 are shown in Figure 1. More particularly, when increasing the température from 25°C to 60°C, the examples 17 and 21 according to the invention présent stable viscosity up to 60°C, or in other words said examples 17 and 21 did not show an increase in viscosity especially above 40°C in comparison with examples 15, 18, 19, and 23 (see Figure 1).
Example 22 is not represented in Figure 1 as its viscosity had not decreased anymore when increasing the température from -10°C to 25°C, so that it could not be measured in the range presented in figure 1.
Hence, it stems from the above that the examples 6, 10, 17 and 21 according to the présent invention demonstrate the importance of the combination of a polyoxyalkylene copolymer (b), an acrylic graft copolymer (c), and an oxygenated hydrocarbon compound (d), for the wetting of isocycloseram allowing advantageously to process at a large-scale the composition, while guaranteeing a température stability of the composition.
Claims (15)
1. A composition comprising:
(a) isocycloseram, (b) a polyoxyalkylene copolymer, (c) an acrylic graft copolymer, and (d) an oxygenated hydrocarbon compound.
2. A composition as claimed in claim 1, characterized in that it comprises from 0.01% to 70% by weight of isocycloseram, preferably 0.1% to 70% by weight of isocycloseram, and more preferably from 5% to 60% by weight of isocycloseram, over the total weight of the composition.
3. A composition as claimed in claim 1 or 2, characterized in that it comprises from 0.0005% to 50% by weight of the polyoxyalkylene copolymer, and preferably from 1.0% to 20% by weight of the polyoxyalkylene copolymer, over the total weight of the composition.
4. A composition according to any one of the preceding daims, characterized in that it comprises from 0.0005% to 30% by weight of the acrylic graft copolymer, and preferably from 0.1% to 20% by weight of the acrylic graft copolymer, over the total weight of the composition.
5. A composition according to any one of the preceding daims, characterized in that it comprises from 0.0001% to 30% by weight of the oxygenated hydrocarbon compound, and preferably from 0.1% to 20% by weight of the oxygenated hydrocarbon compound, over the total weight of the composition.
6. A composition according to any one of the preceding daims, characterized in that the polyoxyalkylene copolymer is obtained from ethylene oxide and propylene oxide monomers.
7. A composition according to any one of the preceding daims, characterized in that the polyoxyalkylene copolymer is a poly(ethylene oxide)-poly(propylene oxide)poly(ethylene oxide) block copolymer.
8. A composition according to any one of the preceding daims, characterized in that the polyoxyalkylene copolymer has a molecular weight from 1,000 to 15,000 g/mol, and preferably from 3,000 to 7,000 g/mol.
9. A composition according to any one of the preceding daims, characterized in that the acrylic graft copolymer comprises polyethylene glycol and/or mono-ether polyethylene glycol side chains.
10. A composition according to any one of the preceding daims, characterized in that the acrylic graft copolymer comprises a backbone obtained from acrylate and/or méthacrylate monomers.
11. A composition according to any one of the preceding daims, characterized in that the oxygenated hydrocarbon compound is selected among alkyl ether compounds, alkyl ester compounds, and any mixture thereof.
12. A composition according to any one of the preceding daims, characterized in that the oxygenated hydrocarbon compound is selected among polyethylene glycol alkyl ether, sulfonated alkyl ester compounds, and any mixture thereof.
13. A composition according to any one of the preceding daims, characterized in that it further comprises one or more formulation additives selected among an anti-freeze agent, an anti-foam agent, an anti-bacterial agent (or biocide), a viscosity modifier, a pH modifier, and any mixture thereof.
14. A composition according to any one of the preceding daims, characterized in that it is used to préparé a suspension concentrate, a flowable suspension, a suspoemulsion, a suspension concentrate-capsule suspension blend, a ready-to-use bait, water soluble granules, water dispersible granules, or water dispersible tablets.
15. A method of combating and/or controlling an animal pest, which comprises applying to the pest, to a locus of the pest, or to a plant susceptible to attack by the pest, the composition according to any one of the preceding daims.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20215262.5 | 2020-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| OA21262A true OA21262A (en) | 2024-03-18 |
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