CN1050662A - Expandible herbicidal aqueous suspension concentrate - Google Patents
Expandible herbicidal aqueous suspension concentrate Download PDFInfo
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- CN1050662A CN1050662A CN90107901A CN90107901A CN1050662A CN 1050662 A CN1050662 A CN 1050662A CN 90107901 A CN90107901 A CN 90107901A CN 90107901 A CN90107901 A CN 90107901A CN 1050662 A CN1050662 A CN 1050662A
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Abstract
A kind of Expandible herbicidal aqueous suspension concentrate, it is made up of the herbicidal constituents that is insoluble in water, surfactant, alkane and water.
Description
The present invention relates to a kind of Expandible herbicidal aqueous suspension concentrate, particularly relate to a kind of be applicable to the irrigation water rice field, Expandible herbicidal aqueous suspension concentrate and manufacture method thereof, in addition, the present invention also relates to use this kind suspension composition and in paddy field, control method for weed.
A kind of will the dispersion with surfactant and the Expandible herbicidal aqueous suspension concentrate that forms of suspending in water is applied to the method in irrigation water rice field by the herbicidal constituents particulate that is insoluble in water.Compared with the most frequently used use wetting powder or the method for granula, because of it need not use a large amount of dilution waters or solid-state carrier, so from the transportation of weed killer herbicide with to store viewpoint be very favourable.In addition, make in this way, weed killer herbicide can only impose on the part, and needn't impose on the monoblock paddy field.Therefore, during dispenser, operator needn't be walked up and down in the paddy field.And, in the possible damage that can prevent, also can alleviate the manpower of using weed killer herbicide to rice plant.In recent years, this method has obtained a large amount of research and development.Specifically, we can enumerate the spy and open clear 62-84003, spy and open clear 62-87501, spy and open and put down in writing on the communiques such as clear 63-107901.But, the requirement of not having still that a kind of water slurry Herbicidal combinations can satisfy stability for weed killer herbicide, herbicidal effect fully, the labour during for the medicine toxicity of paddy rice and dispenser saves etc., therefore a kind of better product remains exploitation.
Present inventors find, as alkane being mixed the water slurry Herbicidal combinations of forming by the herbicidal constituents that is insoluble in water, surfactant and water, then the gained Herbicidal combinations can be expanded rapidly in the water of paddy field, and be not stranded in the part in paddy field, can obtain a uniform herbicidal effect thus, avoid medicine toxicity, alleviate the manpower of dispenser paddy rice.And, but resulting product has the preparation stability of long term storage.
Thereby the invention provides a kind of Expandible herbicidal aqueous suspension concentrate of forming by the herbicidal constituents that is insoluble in water, surfactant, alkane and water.
Another object of the present invention is, a kind of method of making Expandible herbicidal aqueous suspension concentrate is provided, and it comprises mixes herbicidal constituents, surfactant, alkane and the water that is insoluble in water, and, need, this mixture can be done the wet processing of grinding into powder.
A further object of the present invention is, the method of control weed growth in a kind of paddy field is provided, it comprises, a kind of Expandible herbicidal aqueous suspension concentrate that contains the herbicidal constituents, surfactant, alkane and the water that are insoluble in water is imposed on the irrigation water rice field, and the herbicidal constituents application dosage is/10 ares of (1000m of 1-500 gram
2), so that the Herbicidal suspension composition is expanded in the paddy field.
Below, will be in conjunction with the preferred embodiments, the present invention is described in detail in detail.
The herbicidal constituents that is insoluble in water available among the present invention comprises: 4-(2, the 4-dichloro-benzoyl)-1,3-dimethyl-5-phenacyl oxygen pyrazoles, 4-(2, the 4-dichloro-benzoyl)-1,3-dimethyl-5-pyrazoles tosilate, 4-(2,4-two chloro-3-toluyls)-1,3-dimethyl-5-(4-toluyl methyl oxygen) pyrazoles and 5-benzyloxy-4-(2, the 4-dichloro-benzoyl)-pyrazole compounds such as 1-methylpyrazole; 2,4-dichlorophenyl-3-methoxyl group-4-nitro phenylate, 2,4,6-trichlorophenyl-4-nitro phenylate, 2,4 dichloro benzene base-3-methoxycarbonyl-4-nitro phenylate, the diphenyl ether compound such as phenylate of 2,4 dichloro benzene base-4-nitro phenylate and 2-chloro-4-trifluoromethyl 4-nitro-3-(tetrahydro-pyran oxy-3-); S-(4-benzyl chloride base)-N, N-diethyl thiocarbamate, S-benzyl-N-ethyl-N-(1, the 2-dimethyl propyl) thiocarbamate, S-α, α-Er Jiajibianji-N, N-1,5-pentylidene thiocarbamate, S-ethyl-N, tert-butyl-phenyl between N-hexa-methylene thiocarbamate and 0-()-thiocarbamate compound such as thiocarbamate of N-methyl-N-(6-methoxypyridine base-2-); 2-chloro-2 ', 6 '-diethyl-N-(2-propoxyl group ethyl) monoacetylaniline, N-butoxymethyl-2-chloro-2 ', 6 '-the diethyl monoacetylaniline, the 2-(2-naphthoxy) N-propionanilide, 2-(2,4-two chloro-3-methylphenoxy) N-propionanilide, 2 ', 3 '-two chloro-4-ethyoxyl methoxy base N-benzanilides, 2 ', 6 '-diethyl-N-[(2-cis-butylene oxygen) methyl]-2-chlorine monoacetylaniline, N-[2 '-(3 '-methoxyl group) thienyl methyl] N-chloracetyl-2,6-N-two formailides, N-methyl-2-(2-benzothiazolyl oxygen) monoacetylaniline and N-(α, the alpha, alpha-dimethyl benzyl) α-anilid compounds such as bromo-tert-butyl group monoacetylaniline; N-[(4, the amino carbonyl of 6-dimethoxy-pyridine base-2-)]-3-methyl-5-(2-chloro-2, the 2-difluoroethoxy)-4-isothiazole sulfonamide, 5-[(4, the amino carbonyl amino sulfonyl of 6-dimethoxypyridin base-2-)]-1-methylpyrazole-4-carboxylic acid, ethyl ester, 2-[(4, the amino carbonyl amino sulfonyl methyl of 6-dimethoxypyridin base-2-)) methyl benzoate and N-(2-chlorine imidazo [1,2-a] pyridyl sulfonyl-3-)-N '-sulphonyl ammoniates such as (4,6-dimethoxy-2-pyridine radicals) urea; The 5-tert-butyl group-3-(2,4-two chloro-5-isopropyl phenyls)-1,3, the 4-oxadiazole-2(3H)-oxadiazole compounds such as ketone; 2-methyl sulfo--4, two (the ethylamino)-S-triazines of 6-, 1(α, α-Er Jiajibianji)-and the 3-(4-aminomethyl phenyl) urea, 2-amino-3-chloro-1,4-naphthoquinones, 3,7-two chloro-8-Quinoline Carboxylic Acids, 3-chloro-2-[2-fluoro-4-chloro-5(1-propine oxygen) phenyl]-4,5,6,7-tetrahydrochysene-2H-pyrazoles, 2,3-dihydro-3,3-dimethyl-5-benzofuranyl ethane sulfonate, S, S-dimethyl-2(difluoromethyl)-the 4-(2-methyl-propyl)-the 6-(trifluoromethyl)-3,5-pyridine two thio-methyl esters and 1-(2-benzyl chloride base)-3-(α, the alpha, alpha-dimethyl benzyl) triaizine compounds such as urea, in the present invention, select for use from said components at least a kind of.Wherein, preferentially select for use the solvability (25 ℃) that has in water to be not more than pyrazole compound and the anilid compound of 100ppm.The proportion of above-mentioned herbicidal constituents generally is 1 at least, and can be solid or liquid at normal temperatures.When herbicidal constituents is the occasion of solid, in preparation water, disperse equably and suspends for making this component, and for it is spread rapidly in the water of paddy field, it is 0.5-10 μ m that herbicidal constituents is used average grain diameter always, preferably uses the particulate of 0.5-5 μ m.
The used alkane of the present invention can be the saturated aliphatic hydrocarbon of straight or branched, especially, preferentially selects for use at normal temperatures to liquid and to have boiling point be that 50-200 ℃, proportion (25 ℃) are up to 1 hydrocarbon.Specifically, it comprise as, just-hexane, just-heptane, just-octane, just-decane, 2-methylpentane, 3-methylpentane and 2, carbon numbers such as 3-dimethylbutane are being the hydrocarbon of 6-12.
Used surfactant is that a kind of herbicidal constituents of supplying with is with hydrophilic surfactant among the present invention.It comprises, as the nonionic surface active agent of polyoxyethylene octadecyloxy phenyl aryl ether, polyoxyethylene alkylaryl ether, polyoxyethylene styryl phenyl ether, polyoxyethylene sorbitol acid anhydride alkylates, polyoxyalkylene ethylene glycol, sorbitan alkylates and acetylene ethylene glycol etc.; As anionic surfactant such as polyoxyethylene phenyl alkyl aryl ether sulfate, polyoxyethylene octadecyloxy phenyl aryl ether phosphate, polyoxyethylene alkylaryl ether sulphate, alkaryl sulphate, alkaryl phosphate, alkylaryl sulfonate, sodium lignosulfonate, naphthalene sulfonate and oxygen ethylization polyaryl phenol phosphatic three (ethanol) amine salt.Among the present invention, select a kind of in the above-mentioned surfactant at least for use.
Expandible herbicidal aqueous suspension concentrate of the present invention can easily make by alkane being made an addition to common water slurry Herbicidal combinations, perhaps, also can directly easily be made by usual way.For example, it can in case of necessity, can make this mixture the wet processing of grinding into powder by herbicidal constituents, surfactant, alkane and water are mixed simultaneously.Or can in advance herbicidal constituents be ground into after the smalls, evenly mix with surfactant, alkane and water, in case of necessity, this mixture can be done the wet processing of grinding into powder.But from the industrial practice viewpoint, these four kinds of compositions are mixed simultaneously, and the wet in addition method of grinding into powder is comparatively easy, favourable usually.Flour mills such as the husky grinding mill of the rigid media that this wets and grinds tool particle diameter commonly used into powder is 0.1-5mm or husky grinder.
When producing above-mentioned Herbicidal combinations, the kind of surfactant and alkane is according to the kind of herbicidal constituents, ratio that each composition accounts for whole preparation and difference, but can be come suitably selected usually by repetition test.Can not decide without exception by difference according to the difference of its application target, occasion, each composition kind for the cooperation ratio (weight ratio) of Expandible herbicidal aqueous suspension concentrate.But, herbicidal constituents is 2-40 part usually, best 2-35 part, surfactant 2-10 part, best 3-8 part, alkane 10-40 part, best 15-40 part, water 30-85 part, preferably 30-70 part.
In addition, in water slurry Herbicidal combinations of the present invention, be to improve the dispersion of herbicidal constituents in the preparation, the stability of suspension, admixture as gum Arabic, Xanthane natural gum, or water-soluble polymer such as carboxymethyl cellulose; Be the stabilizing herbicidal composition, but also solid-state carriers such as admixture bentonite, fine silica powder or calcium carbonate; Moreover, for anti-preparation here freezes at low temperatures, but antifreezes such as admixture ethylene glycol, propane diols or urea also.Above-mentioned water slurry Herbicidal combinations can keep the good dispersion and the suspended state of its herbicidal constituents for a long time in its preparation water.Even during preservation, the said composition preparation is separated into oil reservoir, water layer and solid layer, and also easily mat shakes gently, and obtains uniform dispersion, suspended state again.Thereby this separation can not produce any trouble in the use to weed killer herbicide.
Its proportion of Herbicidal combinations of the present invention (25 ℃) is for being not more than 1, be preferably 0.96-1, and the lower surface tension of 20-30 dynes per centimeter (25 ℃) arranged, therefore, even use it for local plot, paddy field, also can in the water surface or paddy field water, expand fast and can not occur in medicament the drip precipitation or the delay in place, or be built-up on the barriers such as paddy rice seedling, weeds sheet, then, herbicidal constituents or solve homogeneously in the water of paddy field, or fall to soil surface and do evenly to disperse.Among the present invention, the ratio in the per 10 ares of 1-500g of herbicidal constituents, best 3-400g when this Herbicidal combinations is imposed on the paddy field of irrigation, can obtain good herbicidal effect, and can not produce poisoning to paddy rice.When applying medicament, with a dumpable a certain amount of container, the medicament that drips along rice (field) ridge, or by every 10-100m
2The medicament that drips is used the 0.3-2 liter, preferably 0.5-1 hydrargyrum oxydatum crudum agent as per 10 ares.If the water slurry Herbicidal combinations is used for getting optimum efficiency initial stage to the mid-term that paddy field cultivates according to the present invention, promptly when the transfer paddy rice, be used for after the rice shoot transfer during 5-15 days, or when paddy rice is directly sowed, during being used for after planting 10-20 days.Yet as long as in preparation preparation, drug effect has no problem on poisoning, the spraying operation etc., when also can be used for other and occasion.
Below, narrate the present invention with reference to embodiment, still, should not think that the present invention is by any to some extent qualification of this specific examples.
Preparation embodiment
Provide below and respectively prepare used composition and symbol thereof among the embodiment.The usage amount of each composition is represented with weight.
Herbicidal constituents (A)
A-1:4-(2, the 4-dichloro-benzoyl)-1,3-dimethyl-5-phenacyl oxygen pyrazoles;
A-2:2-chloro-2 ', 6 '-diethyl-N-(2 propoxyl group ethyl) acetanil;
A-3:N-[2 '-(3 '-methoxyl group) thienyl methyl]-N-chloracetyl-2,6-dimethyl anilid;
A-4:2,3-dihydro-3,3-dimethyl-5-benzofuranyl ethane sulfonate;
A-5:2-amino-3-chloro-1, the 4-naphthoquinones;
A-6:N-(α, α-Er Jiajibianji) α-bromine one tert-butyl group monoacetylaniline;
Surfactant (B)
B-1: polyoxyethylene styryl phenyl ether and alkylaryl sulfonate (Toho Chemical Industry Co., Ltd. (JP) Tokyo-To, Japan produces for trade name, Sorpol-355);
B-2: the phosphatic triethanolamine salt of the ethylating polyaryl phenol of oxygen (trade name Soprophor-FL, Rh
Ne-Poulenc produces);
B-3: acetylene ethylene glycol (trade name Surfinol 104, and Nishin Chemical Industry Co. Lt produces);
B-4: the mixture of sulphate, phosphate, inorganic carbonate and the fine silica powder of alkylaryl sulfonate, polyoxyethylene alkyl aryl ether (trade name Sorpol-5146, Toho Chemical Industry Co., Ltd. (JP) Tokyo-To, Japan produces);
B-5: lignin sulfonic acid calcium salt;
Alkane (C)
C-1: isoparaffin (trade name: IP Solvent 1620, bright dipping petro chemical industry Co., Ltd. produces, proportion: 0.762, flash-point: 52 ℃);
C-2: n-hexane
Other (D)
D-1: ethylene glycol;
D-2: water;
D-3: bentonite;
D-4: calcium carbonate;
Preparation embodiment 1
Will be by 4.8 parts of 19.1 parts of herbicidal constituents A-1 and A-2,1.0 parts of surfactant B-1 3.0 part and B-3, the mixture of 2.50 parts of alkane C-1 and other components D-1 4.0 part and 43.1 parts of compositions of D-2, (horizontal ball milling, WillyA.Bochofen AG make at Dyne Mill grinding mill, abrasive media: the bead of diameter 1.8mm, filling ratio: 80%, rotating speed 15 meter per seconds) go up do wet grind into powder handled 15 minutes and aqueous suspension composition.The proportion of this aqueous suspension composition is 0.988, surface tension 28.6 dynes per centimeter (A3 is surveyed by consonance CBVP surface tension test group, and consonance science (strain) is made), and the average grain diameter of herbicidal constituents is 1-3 μ m.Having excellent storage stability of this aqueous suspension composition, the dispersity that can keep in balance.
Preparation embodiment 2
Will be by 19.1 parts of herbicidal constituents A-1,5.8 parts of 2.9 parts of A-3 and A-4, surfactant B-1,40 parts, the mixture of 1.0 parts of 1.0 parts of B-2 and B-3,28.0 parts of alkane C-1 and 38.2 parts of compositions of D-2, as above-mentioned example-1, on the dyneMill grinding mill, make wet lapping and handled 15 minutes, get aqueous suspension composition.This aqueous suspension composition proportion is 0.986, and surface tension is 22.3 dynes per centimeter, and the average grain diameter of herbicidal constituents is 1-3 μ m.Its storage stability is good, the dispersity that can keep in balance.
Preparation embodiment 3
Will be by 19.1 parts of herbicidal constituents A-1, the mixture of surfactant B-1 2.0 minute and 25.0 parts of 1.5 parts of B-3, alkane C-1 and other components D-1 4.0 part and 48.4 parts of compositions of D-2, same with above-mentioned example one, on the Dyne-Mill grinding mill, make 15 minutes wet and grind processing into powder, to obtain aqueous suspension composition.The proportion of this aqueous suspension composition is 0.982, and surface tension is 23.3 dynes per centimeter, and the average grain diameter of herbicidal constituents is 1-3 μ m.As for its storage stability, after a few days in time limit, C-1 can separate the formation upper strata, but is shaken mixing before using excessively, and this water slurry is promptly even heavily again, has no problem.
Preparation embodiment 4
Will be by 2.9 parts of 19.1 parts of herbicidal constituents A-1 and A-3, surfactant B-1 3.0 minute and 25.0 parts of 1.0 parts of B-3, alkane C-1 and components D-1 4.0 part and the mixture of 45.0 parts of compositions of D-2, as example one, on the Dyne-Mill grinding mill, do wet grinding into powder and handled 15 minutes, get aqueous suspension composition.This aqueous suspension composition proportion is 0.989, and surface tension is 23.2 dynes per centimeter, and the average grain diameter of herbicidal constituents is 1-3 μ m.As for its storage stability, after a few days in time limit, C-1 separates the formation upper strata, but shakes mixing before use excessively, and this aqueous suspension composition is promptly even heavily again, can not produce what problem.
Preparation embodiment 5
Will be by 10.8 parts of surfactant B-1 5.0 of herbicidal constituents A-1 minute and 20.0 parts of 1.0 parts of B-3, alkane C-2 and other components D-1 6.0 part and 57.2 parts of mixtures of forming of D-2, as example one, on the Dyne-Mill grinding mill, do wet grinding into powder and handled 15 minutes, get aqueous suspension composition.This aqueous suspension composition proportion is 0.964, and surface tension is 27.6 dynes per centimeter, and the average grain diameter of herbicidal constituents is 1-3 μ m.Its storage stability is good, can keep homogeneously dispersed state.
Preparation embodiment 6
Will be by 19.1 parts of herbicidal constituents A-1 and 2.9 parts of A-3 and 9.3 parts of surfactant B-2 2.0 of A-5 minute and 32.0 parts of 0.3 part of B-3, alkane C-1 and other components D-2 34.4 part mixture that is combined into, as example one, on Dyno Mill grinding mill, do wet grind into powder handle and aqueous suspension composition.This aqueous suspension composition proportion is 0.992, surface tension 26.9 dynes per centimeter, this aqueous suspension composition have excellent storage stability the dispersity that can keep in balance.
Preparation embodiment 7
Will be by 15.9 parts of herbicidal constituents A-1,10.5 parts of 2.1 parts of A3 and A-6, surfactant B-1,0.5 part, the mixture of 0.1 part of 3.3 parts of B-2 and B-3,32.0 parts of alkane C-1 and 35.6 parts of compositions of D-2, as above-mentioned example 1, wet the grinding into powder in back handled 2 minutes on the dyneMill grinding mill, got aqueous suspension composition.This aqueous suspension composition proportion is 0.983, and surface tension is 27.8 dynes per centimeter, and the average grain diameter of herbicidal constituents is 1-3 μ m.Its storage stability is good, the dispersity that can keep in balance.
Preparation implements 8
To by 10.1 parts of herbicidal constituents A-1, after the mixture of 61.9 parts of 25.0 parts of its composition D-3 and D-4 and 1.5 parts of compositions of powdery surface activating agent B-4 grinds and mixes, add the water of kneading that contains 1.5 parts of B-5, the mixing of kneading.The product of kneading is the sieve extruding pelletization of 0.8mm by sieve aperture, the classified granula that gets in dry back.
Test routine 1(weeding test-1)
June 7,, granular synthetic fertilizer (N-P-K:14-10-13) as base manure, is used by per 10 ares of 20kg with the tractor paddy field of turning over.June 12 poured water, after 2 days with the whole ground of tractor, the two leaf stage rice seedlings (kind: Nihon bare) do transfer that June 16 will cultivate through casing by rice transplanter.
June 20, establish the test region of the 3.5m * 2m of 2 series with plastic film.Second day, one in the test region, will be through the Herba cyperi tuber (0Cyperus serolinus Rottb.) of vernalization, by 3 implantation in every district.Other weeds are let matters aside, and near various weeds all have a lot of germinations.
The depth of water is adjusted to 5-7cm,, in test region central authorities, imposes in the water in field in 1 liter/10 ares ratios with each aqueous suspension composition of gained in the above-mentioned formulation example June 24.In comparing the check plot, correspond to above-mentioned aqueous suspension composition, in order to usual way (being equivalent to above-mentioned preparation embodiment 8) gained granula, evenly impose on Tanaka by the 3kg/10 are.When using medicament, the stage of coming into leaves of various weeds is respectively:
Barnyard grass grass (Echinochloa oryzicola Vasing)
1-1.2 come into leaves the stage
Fischer grass (Scirpus jurcoides Roxb.) and Monochoria vaginalis (MonochoriaVaginalis Prosl)
1-1.5 come into leaves the stage
Vandellia (Lindernia pyxidaria L.) and Cyperus (Cyperus Serotinus Rot lb.)
1 comes into leaves the stage
The growing state of the 21st day, the 35th day and the 45th day perusal paddy rice and weeds after chemicals treatment respectively, and remember its growth inhibition rate of change with following standard scale, the following table result.
The growth inhibition rate of change
5：100%
t：96-95%
5-
4：91-95%
5-4：85-90%
4-5：81-84%
4：80-90%
Example 2(weeding test-II)
As above test routine 1(weeding test-I) same mode, adjust the paddy field, with rice transplanter transfer rice seedling, establish the test region of 5 * 6m with plastic film.Second day, implant Cyperus stem tuber, the germination of giving free rein to of other weeds through vernalization.The depth of water is adjusted to after the 5-7cm, imposes medicament.In test region of the present invention, with by aqueous suspension composition prepared among the above-mentioned preparation embodiment 1 and 4 in the centre of each test region, and along the long one side of film 5m, in 1 liter/10 ares ratio dispenser agent.And in comparing the district, with respect to used aqueous suspension composition, use according to the prepared granular preparation of traditional method, press the ratio of 3kg/10 are, be dispersed evenly to Tanaka.When using this weeding pesticide, the stage of coming into leaves of various weeds is respectively: barnyard grass grass 1.3-1.5 comes into leaves the stage, Monochoria vaginalis, and 1 come into leaves stage and Cyperus 1.5 comes into leaves the stage.Used behind this weed killer herbicide 30 days, the growing state of detect by an unaided eye paddy rice and weeds can be seen, in each test region, the growth inhibition degree of weeds is the same high with the comparison check plot of particulate application agent, in addition, does not see the medicine toxicity to paddy rice.
Claims (9)
1, a kind of expansile water slurry Herbicidal combinations is characterized in that it comprises the herbicidal constituents that is insoluble in water, surfactant, alkane and water.
2, Expandible herbicidal aqueous suspension concentrate according to claim 1 is characterized in that, its herbicidal constituents under organize select for use at least the compound a kind of:
4-(2; the 4-dichloro-benzoyl)-1; 3-dimethyl-5-phenacyl oxygen pyrazoles; 4-(2; the 4-dichloro-benzoyl)-1; 3-dimethyl-5-pyrazoles tosilate; 4-(2; 4-two chloro-3-toluyls)-1; 3-dimethyl-5-(4-toluyl methyl oxygen) pyrazoles; 5-benzyloxy-4-(2; the 4-dichloro-benzoyl)-the 1-methylpyrazole; 2; 4-dichlorophenyl-3-methoxyl group-4-nitro phenylate; 2; 4; 6-trichlorophenyl-4-nitro phenylate; 2; 4-dichlorophenyl-3-methoxycarbonyl-4-nitro phenylate; 2; 4-dichlorophenyl-4-nitro phenylate; the phenylate of 2-chloro-4-trifluoromethyl-4-nitro-3-(THP trtrahydropyranyl oxygen base-3-), S-(4-benzyl chloride base)-N, N-diethyl thiocarbamate; S-benzyl-N-ethyl-N-(1; the 2-dimethyl propyl) thiocarbamate, S-α, α-Er Jiajibianji-N; N-1; 5-pentylidene thiocarbamate, S-ethyl-N, N-hexa-methylene thiocarbamate; the 0-(m-tert-butyl-phenyl)-thiocarbamate of N-methyl-N-(6-methoxypyridine base-2-); 2-chloro-2 ', 6 '-diethyl-N-(2-propoxyl group ethyl) monoacetylaniline, N-butoxymethyl-2-chloro-2 '; 6 '-the diethyl monoacetylaniline; the 2-(2-naphthoxy) N-propionanilide, 2-(2,4-two chloro-3-methylphenoxy) the N-propionanilide; 2 '; 3 '-two chloro-4-ethyoxyl methoxy base N-benzanilides, 2 ', 6 '-diethyl-N-[(2-cis-butylene oxygen) methyl]-2-chlorine monoacetylaniline; N-[2 '-(3 '-methoxyl group) thienyl methyl] N-chloracetyl-2; 6-N-two formailides, N-methyl-2-(2-benzothiazolyl oxygen) monoacetylaniline, N-(α; the alpha, alpha-dimethyl benzyl) α-bromo-tert-butyl group monoacetylaniline; N-[(4, the amino carbonyl of 6-dimethoxy-pyridine base-2-)]-3-methyl-5-(2-chloro-2, the 2-difluoroethoxy)-4-isothiazole sulfonamide; 5-[(4; the amino carbonyl amino sulfonyl of 6-dimethoxypyridin base-2-)]-1-methylpyrazole-4-carboxylic acid, ethyl ester, 2-[(4, the amino carbonyl amino sulfonyl methyl of 6-dimethoxypyridin base-2-)) methyl benzoate; N-(2-chlorine imidazo [1; 2-a] pyridyl sulfonyl-3-)-and N '-(4,6-dimethoxy-2-pyridine radicals) urea, the 5-tert-butyl group-3-(2; 4-two chloro-5-isopropyl phenyls)-1; 3, the 4-oxadiazole-2(3H)-and ketone, 2-methyl sulfo--4; two (the ethylamino)-S-triazines of 6-; 1(α, the alpha, alpha-dimethyl benzyl)-the 3-(4-aminomethyl phenyl) urea, 2-amino-3-chloro-1; the 4-naphthoquinones; 3,7-two chloro-8-Quinoline Carboxylic Acids, 3-chloro-2-[2-fluoro-4-chloro-5(1-propine oxygen) phenyl]-4; 5; 6,7-tetrahydrochysene-2H-indazole, 2; 3-dihydro-3; 3-dimethyl-5-benzofuranyl ethane sulfonate, S, S-dimethyl-2(difluoromethyl)-the 4-(2-methyl-propyl)-the 6-(trifluoromethyl)-3; 5-pyridine two thio-methyl esters and 1-(2-benzyl chloride base)-3-(α, the alpha, alpha-dimethyl benzyl) urea.
3, Expandible herbicidal aqueous suspension concentrate according to claim 1 is characterized in that, wherein said surfactant is a kind of for selecting for use at least from comprise nonionic surface active agent and anionic surfactant one group.
4, Expandible herbicidal aqueous suspension concentrate according to claim 1 is characterized in that, wherein said alkane is the aliphatic saturated hydrocarbon of straight or branched.
5, Expandible herbicidal aqueous suspension concentrate according to claim 4 is characterized in that, the proportion of said saturated aliphatic hydrocarbon is to the maximum under 1(25 ℃), boiling point is 50 °-200 ℃, is liquid at normal temperatures.
6, Expandible herbicidal aqueous suspension concentrate according to claim 1 is characterized in that, the weight ratio of said herbicidal constituents, surfactant, alkane and water is: 2-40: 2-10: 10-40: 30-85.
7, method for weed in a kind of control paddy field, it is characterized in that, described method comprises, a kind of Expandible herbicidal aqueous suspension concentrate of being made up of the herbicidal constituents that is insoluble in water, surfactant, alkane and water is imposed on the irrigation paddy field, the herbicidal constituents consumption of being used is the 1-500g/10 are, and this suspension composition is spread in the paddy field.
8, a kind of method for preparing Expandible herbicidal aqueous suspension concentrate is characterized in that, this method comprises, mixes the herbicidal constituents, surfactant, alkane and the water that are insoluble in water, needs, and this mixture is done the wet processing of grinding into powder.
9, a kind of method for preparing Expandible herbicidal aqueous suspension concentrate, it is characterized in that described method comprises, the herbicidal constituents that is ground into particulate is in advance evenly mixed with surfactant, alkane and water, need, this mixture is done the wet processing of grinding into powder.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP252853/89 | 1989-09-28 | ||
| JP25285389 | 1989-09-28 | ||
| JP2403790A JP2941871B2 (en) | 1989-09-28 | 1990-02-02 | Aqueous suspension of herbicidal composition |
| JP24037/90 | 1990-02-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1050662A true CN1050662A (en) | 1991-04-17 |
| CN1043502C CN1043502C (en) | 1999-06-02 |
Family
ID=26361513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN90107901A Expired - Lifetime CN1043502C (en) | 1989-09-28 | 1990-09-19 | Expandible herbicidal aqueous suspension concentrate |
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| Country | Link |
|---|---|
| CN (1) | CN1043502C (en) |
| ES (1) | ES2032254B1 (en) |
| IT (1) | IT1243733B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6284003A (en) * | 1985-10-08 | 1987-04-17 | Mitsubishi Petrochem Co Ltd | Suspension herbicide composition for paddy field |
| JPS6287501A (en) * | 1985-10-11 | 1987-04-22 | Showa Roodeia Kagaku Kk | Herbicide for paddy field |
| JPH0676281B2 (en) * | 1986-01-17 | 1994-09-28 | 住友化学工業株式会社 | Stabilized oil-in-water pesticide composition |
| JPH0747522B2 (en) * | 1986-10-16 | 1995-05-24 | 東ソー株式会社 | Herbicide composition of flooded sewage paddy |
-
1990
- 1990-09-19 CN CN90107901A patent/CN1043502C/en not_active Expired - Lifetime
- 1990-09-24 IT IT02154790A patent/IT1243733B/en active IP Right Grant
- 1990-09-25 ES ES9002451A patent/ES2032254B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| IT9021547A1 (en) | 1992-03-24 |
| CN1043502C (en) | 1999-06-02 |
| IT1243733B (en) | 1994-06-21 |
| ES2032254B1 (en) | 1994-01-16 |
| ES2032254A1 (en) | 1993-01-16 |
| IT9021547A0 (en) | 1990-09-24 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20100919 Granted publication date: 19990602 |