CN104705304A - Compounded bactericide and preparation method thereof - Google Patents
Compounded bactericide and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a compounded bactericide and a preparation method thereof. The compounded bactericide comprises an antifungal effective amount of isopyrazam, and at least one of difenoconazole, tebuconazole, cyproconazole, flutriafol, prothioconazole, azoxystrobin, pyraclostrobin, trifloxystrobin, picoxystrobin and kresoxim methyl. The compounded bactericide has the advantages of high suspension rate, extremely good wettability, permeability and spreadability, small preparation particle size, narrow particle size distribution, stable long-term storage at normal temperature, no bottom sticking, and extremely small water bleeding amount.
Description
Technical field
The present invention relates to a kind of composite bactericide and preparation method thereof.
Background technology
Dicyclo fluorine azoles bacterium amine (Isopyrazam) is the bactericide new varieties of Syngenta Co., Ltd's research and development, production, and went on the market with 2010, commodity are called IZM, and structural formula is:
Dicyclo fluorine azoles bacterium amine by 97%Syn-isomer (SYN-534969) and 3%anti-isomer (SYN-534968) form mixture.
Physical and chemical performance: fusing point (m.p) is 144.5 DEG C (SYN-534968), 130.25 DEG C (SYN-534969); In water, solvability is 0.55mg/L (SYN-534968), 1.05mg/L (SYN-534969);
In ethyl acetate, solvability is 179g/L; In dimethylbenzene, solvability is 20g/L; In normal octane, solvability is 44.1g/L; In carrene, solvability is 330g/L; In acetone, solvability is 314g/L; In methyl alcohol, solvability is 119g/L.
PH：6.1。
A new generation SDHI bactericide (respiration inhibition series bactericidal agent) is broad spectrum activity, and mechanism of action is novel, strong drug action, persistent, the features such as obvious effect of increasing production.It is the frontier of Fungicides.
Dicyclo fluorine azoles bacterium amine (Isopyrazam) is main product in SDHI type bactericide; it is the close ester making former medicine molecule have extra-heavy in its structure; double effects can be formed with powerful combination the in target spot position of the wax like surface on crop blade face and fungi pathogeny, namely form long-effective protection layer on blade face and improve agricultural chemicals rain fastness.Belong to fungal mitochondria target spot affinity to shell leaf spore the strongest, then effect is strong, plays better protection, therapeutic action to crop pest.
Triazole bactericidal agent is the mainstay in bactericide product, although dicyclo fluorine azoles bacterium amine can not substituted triazole series bactericidal agent, if both combine, will best control efficiency be produced.Syngenta Co., Ltd is dicyclo fluorine azoles bacterium amine and epoxiconazole is composite makes new product, replaces the product that those mechanism are single.The disease-resistant spectrum of these two kinds of former medicines can be compatible very well, all can the disease of prevention and control for these two former medicines, and they can play a role jointly, and one of them former medicine of Other diseases also can play good disease resisting effect.Belong to disease for shell leaf spore, the triazole bactericidal agent that both anti-disease activity is more best than those, as epoxiconazole, prothioconazoles is alone is eager to excel.Sick for rust staining, particularly yellow rust, combination also has clear superiority than other products like this, more much better than those alone methyl acrylic ester bactericide product effect of increasing production.
Triazole bactericidal agent has numerous kind, except epoxiconazole, also has Difenoconazole, Tebuconazole, Cyproconazole, Flutriafol, prothioconazoles etc.
Strobilurin fungicide has Fluoxastrobin, kresoxim-methyl, pyrazoles Fluoxastrobin, oxime bacterium ester, ZEN 90160, fluoxastrobin etc., and this series bactericidal agent is also a very important class in bactericide, each viroids of prevention and control in extensive use and crop protection.
Summary of the invention
For solving the deficiencies in the prior art, technical problem to be solved by this invention is to provide a kind of composite bactericide.
The present invention seeks to be achieved through the following technical solutions:
A kind of composite bactericide, it comprises (a) dicyclo fluorine azoles bacterium amine of antifungal effective dose composition, and the following component of (b) at least one: Difenoconazole, Tebuconazole, Cyproconazole, Flutriafol, prothioconazoles, Fluoxastrobin, pyrazoles Fluoxastrobin, oxime bacterium ester, ZEN 90160 and kresoxim-methyl etc.
Wherein, Difenoconazole, Tebuconazole, Cyproconazole, Flutriafol, prothioconazoles belong to triazole bactericidal agent; Fluoxastrobin, pyrazoles Fluoxastrobin, oxime bacterium ester, ZEN 90160 and kresoxim-methyl belong to strobilurin fungicide.
Preferably, in described composite bactericide, the gross mass of described (a) and (b) is the 2%-50% of described composite bactericide gross mass; The weight ratio of described (a) and (b) is 1:10-10:1, more preferably 1:4-4:1.
Further, described composite bactericide, also comprise the dispersant that percentage by weight is 1%-15%, the wetting agent of 0.5%-4%, the functional aid of 0.5%-5%, the defoamer of 0.1-1%, the antifreezing agent of 2%-15%, the thickener of 0.05%-2%, the mould inhibitor of 0.5%-1%, the pH adjusting agent of 0.5%-3%, surplus is deionized water.
In the present invention, described dispersant, comprises anion surfactant and non-ionic surface active agent.Anion surfactant have phosphoric acid ester (as Monododecylphosphate potassium, No. CAS: 39322-78-6; Phosphate of Polyoxyethylene Isooctyl Ether, No. CAS: 68439-39-4; Thermally coupled distillation columns, comprising: NP-10P phosphate, TX-10P phosphate; Aliphatic alcohol polyoxyvinethene phosphate, comprises AEO-9 phosphate, AEO-3 phosphate etc.), and lignin sulfonate (as sodium lignin sulfonate, No. CAS: 8061-51-6; Calcium lignosulfonate, No. CAS: 8061-52-7 etc.), naphthalenesulfonate, dispersant NNO, dispersant M series is (as dispersant M-9, CAS 8061-51-6), benzenesulfonates (as neopelex, No. CAS: 25155-30-0), polystyrylphenol polyoxyethylene ether sulfate, metal carboxylate (as alcohol ether carboxylate AEC-9 etc.), succinic acid Sulfonates etc.; Non-ionic surface active agent has Pluronic PE 6800 (i.e. polyox-yethylene-polyoxypropylene block copolymer), agriculture breast 1601#, and polystyrene-based phenol polyethenoxy ethers (as tristyrylphenol polyoxyethylene ether, No. CAS: 99734-09-5; Agriculture breast 600#) etc. dispersant of the present invention can select wherein one or more combination, usage amount is the 1%-15% of described composite bactericide gross weight, is preferably 2%-10%, more preferably 3%-8%.
Described wetting agent is selected from polyoxyethylene nonylphenol ether (NP) class, styrylphenol polyoxyethylene ether, agriculture breast 602*, alkyl naphthalene sulfonic acid salt, the combination of one or more in fatty alcohol polyethenoxy ether class (as wetting agent NP-100, JFC etc.) etc., usage amount is the 0.5%-4% of described composite bactericide gross weight, is preferably 1%-3%, more preferably 1.5%-3%.
Described functional aid is dialkyl succinylsuccinate Sulfonates, branched fatty alcohol polyethenoxy ether class JFC, penetrant t X, the combination of one or more in alkyl alcohol ethoxylates class etc., usage amount is the 0.5%-5% of described composite bactericide gross weight, be preferably 1%-4.5%, more preferably 2%-4%.
Described defoamer is poly-alkyl silicon ethylene oxide, mineral oils, the combination of one or more in alcohols etc., be preferably poly-dimethoxysilane (also known as dimethicone, the usage amount of described defoamer be the 0.1%-1% of described composite bactericide weight No. CAS: 9016-00-6), be preferably 0.3%-0.8%, more preferably 0.4%-0.6%.
Described antifreezing agent is ethylene glycol, propane diols, diethylene glycol, the mixing of one or more in urea etc., and usage amount is the 2%-15% of described composite bactericide gross weight, and being preferably 4%-12%, is more preferably 5%-10%.
Described thickener is xanthans, carboxymethyl cellulose, Magnesiumaluminumsilicate, the combination of one or more in bentonite etc., and usage amount is the 0.05%-2% of described composite bactericide gross weight, is preferably 0.7%-1.5%, more preferably 0.1%-1%.
Described mould inhibitor is and isothiazolinone, Sodium Benzoate, formaldehyde, sorbic acid, the combination of one or more in propylparaben etc., and usage amount is preferably the 0.5%-1% of described composite bactericide gross weight.
Described pH adjusting agent is sodium hydroxide, potassium hydroxide, diethanol amine, the one in triethanolamine etc., and usage amount is preferably the 0.5%-3% of described composite bactericide gross weight.
Present invention also offers the preparation method of described composite bactericide, it comprises the steps:
(1) according to formula, former medicine, dispersant, wetting agent, functional aid, antifreezing agent, defoamer, thickener (also can add after sand milling completes), pH adjusting agent (also can add after sand milling) are uniformly mixed into the slurry of homogeneous phase with water;
(2) slurry that step (1) obtains is passed into skin grinder and carry out frosted.
Concrete, slurry can be passed into continuously in horizontal sand mill (as NETZSCH use for laboratory sand mill), through the requirement that circulation sand milling makes the particle diameter of suspending agent reach required, or sand milling 1-2 hour in the sand mill of vertical type experimental room can reach the qualified suspending agent of Particle size requirements.
The liquid of obtained suspending agent outward appearance thickness homogeneous phase, for ensureing the shelf life of 2 years, the particle diameter of obtained suspending agent measures through laser fineness gage (the most handy Malvern laser fineness gage), and its average grain diameter is at 2-4 micron, and D90 is less than 10 microns.Survey the suspensibility > 95% of gained preparation.
Composite bactericide has higher suspension rate, fabulous wetability, permeability and spreadability, and preparation particle diameter is little, and narrow diameter distribution, normal temperature stable during long-term storage, without the knot end, condensate rate is minimum.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 110% dicyclo fluorine azoles bacterium amine Difenoconazole SC
3 grams of dispersant M-9 (lignosulfonates) are added, 1.5 grams of styrylphenol polyoxyethylene ethers, 2 grams of JFC in the beaker of 150ml, 5 grams of propane diols, 0.3 gram of dimethicone, 0.01 gram of propylparaben, 5 grams of bentonites, 0.4 gram of xanthans, 72.79 grams of water.Stirring makes surfactant in beaker be dissolved in the water completely, then 5 grams of dicyclo fluorine azoles bacterium amine and 5 grams of Difenoconazoles are added, stir again and make the final form slurry thing of the material in cup, this slurry thing has the vertical little sand mill of the use for laboratory of bead in pouring into, continuous sand milling 1.5 hours, obtains suspending agent sample.Sample picks up survey particle diameter with Malvern laser fineness gage at normal temperatures, records particle diameter and is followed successively by: D101.795 μm; D503.008 μm; D904.368 μm.Sample normal temperature suspensibility is 96.3%, and sample was through 0 DEG C of cold storage 7 days, and 54 DEG C of heat are store 14 days, and sample is without analysing oil, the knot end, and syneresis rate is 0.5%.
Embodiment 220% dicyclo fluorine azoles bacterium amine Tebuconazole SC
40 grams of dispersant NNO (two sodium butylnaphthalenesulfonate formaldehyde condensation products) are added, 15 grams of styryl APEOs, 30 grams of JFC in the beaker of 2000ml, 50 grams of ethylene glycol, 3 grams of dimethicones, 0.1 gram of Sodium Benzoate, 20 grams of bentonites, 25 grams of xanthans, 616.9 grams of water.Stirring makes surfactant in beaker be dissolved in the water completely, then 120 grams of dicyclo fluorine azoles bacterium amine are added, 80 grams of Tebuconazoles, stir again and make the final form slurry thing of the material in cup, this slurry thing passes in horizontal sand mill (NETZSCH use for laboratory sand mill) continuously, and circulation sand milling obtains suspending agent sample in 10 minutes.Sample picks up survey particle diameter with Malvern laser fineness gage at normal temperatures, records particle diameter and is followed successively by: D101.864 μm; D503.015 μm; D904.892 μm.Sample normal temperature suspensibility is 96.1%, and sample was through 0 DEG C of cold storage 7 days, and 54 DEG C of heat are store 14 days, and sample is without analysing oil, the knot end, bleed.
Embodiment 330% dicyclo fluorine azoles bacterium amine Cyproconazole SC
4 grams of PluronicPE10500 (Pluronic PE 6800 BASF product) are added, 2 grams of agriculture breasts 602*, 3 grams of penetrant t X-10 in the beaker of 150ml, 5 grams of ethylene glycol, 0.3 gram of dimethicone, 0.01 gram of Sodium Benzoate, 1.5 grams of bentonites, 0.2 gram of xanthans, 63.99 grams of water.Stirring makes surfactant in beaker be dissolved in the water completely, then 5 grams of dicyclo fluorine azoles bacterium amine are added, 15 grams of Cyproconazoles, stir again and make the final form slurry thing of the material in cup, slurry thing has the vertical little sand mill of the use for laboratory of bead in pouring into, continuous sand milling 1.5 hours, obtains suspending agent sample.Sample picks up survey particle diameter with Malvern laser fineness gage at normal temperatures, records particle diameter and is followed successively by: D101.896 μm; D503.065 μm; D905.102 μm.Sample normal temperature suspensibility is 95.8%, and sample was through 0 DEG C of cold storage 7 days, and 54 DEG C of heat are store 14 days, and sample is without analysing oil, the knot end, and syneresis rate is 0.3%,
Embodiment 440% dicyclo fluorine azoles bacterium amine prothioconazoles SC
4 grams of dispersant M-17 (desugar discolored wood sodium sulfonate) are added, 2 grams of PluronicPE10500,2 grams of agriculture breasts 1601*, 2 grams of NP-10 in the beaker of 150ml, 3 grams of JFC, 5 grams of glycol, 0.4 gram of dimethicone, 0.01 gram of sorbic acid, 0.2 gram of xanthans, 51.39 grams of water.Stirring makes surfactant in beaker be dissolved in the water completely, then 20 grams of dicyclo fluorine azoles bacterium amine are added, 10 grams of prothioconazoles, stir again and make the final form slurry thing of the material in cup, this slurry thing passes in horizontal sand mill (NETZSCH use for laboratory sand mill) continuously, and circulation sand milling obtains suspending agent sample in 15 minutes.Sample picks up survey particle diameter with Malvern laser fineness gage at normal temperatures, records particle diameter and is followed successively by: D101.996 μm; D503.209 μm; D904.962 μm.Sample normal temperature suspensibility is 96.1%, and sample was through 0 DEG C of cold storage 7 days, and 54 DEG C of heat are store 14 days, and sample is without analysing oil, the knot end, syneresis rate 0.3%.
Embodiment 550% dicyclo fluorine azoles bacterium amine Flutriafol SC
40 grams of polystyrene-based phenol polyethenoxy ethers are added in the beaker of 2000ml, 15 grams of PluronicPE10500 (Pluronic PE 6800 BASF product), 15 grams of agriculture breast 602*, 30 grams of penetrant t X-10,50 grams of ethylene glycol, 0.3 gram of dimethicone, 0.1 gram of sorbic acid, 5 grams of sodium hydroxide, 2 grams of xanthans, 442.6 grams of water.Stirring makes surfactant in beaker be dissolved in water completely, then 150 grams of dicyclo fluorine azoles bacterium amine are added, 250 grams of Flutriafols, stir again and make the final form slurry thing of the material in cup, this slurry thing has the vertical little sand mill of the use for laboratory of bead in pouring into, continuous sand milling 1.5 hours, obtains suspending agent sample.Sample picks up survey particle diameter with Malvern laser fineness gage at normal temperatures, records particle diameter and is followed successively by: D101.990 μm; D503.295 μm; D905.082 μm.Sample normal temperature suspensibility is 95.9%, and sample was through 0 DEG C of cold storage 7 days, and 54 DEG C of heat are store 14 days, and sample is without analysing oil, the knot end, bleed.
Embodiment 610% dicyclo fluorine azoles bacterium amine Fluoxastrobin SC
3 grams of dispersant M-9 (lignosulfonates) are added, 1.5 grams of styryl APEOs, 2 grams of JFC in the beaker of 150ml, 5 grams of propane diols, 0.3 gram of dimethicone, 0.01 gram of propylparaben, 5 grams of bentonites, 0.4 gram of xanthans, 72.79 grams of water.Stirring makes surfactant in beaker be dissolved in the water completely, then 7.5 grams of dicyclo fluorine azoles bacterium amine and 2.5 grams of Fluoxastrobins are added, stir again and make the final form slurry thing of the material in cup, this slurry thing has the vertical little sand mill of the use for laboratory of bead in pouring into, continuous sand milling 1.5 hours, obtains suspending agent sample.Sample picks up survey particle diameter with Malvern laser fineness gage at normal temperatures, records particle diameter and is followed successively by: D101.825 μm; D502.908 μm; D904.535 μm.Sample normal temperature suspensibility is 97.2%, and sample was through 0 DEG C of cold storage 7 days, and 54 DEG C of heat are store 14 days, and sample is without analysing oil, the knot end, and syneresis rate is 0.3%.
Embodiment 720% dicyclo fluorine azoles bacterium amine pyrazoles Fluoxastrobin SC
40 grams of dispersant NNO (two sodium butylnaphthalenesulfonate formaldehyde condensation products) are added, 15 grams of styryl APEOs, 30 grams of JFC in the beaker of 2000ml, 50 grams of ethylene glycol, 3 grams of dimethicones, 0.1 gram of Sodium Benzoate, 20 grams of bentonites, 25 grams of xanthans, 616.9 grams of water.Stirring makes surfactant in beaker be dissolved in the water completely, then 100 grams of dicyclo fluorine azoles bacterium amine are added, 100 grams of pyrazoles Fluoxastrobins, stir again and make the final form slurry thing of the material in cup, this slurry thing passes in horizontal sand mill (NETZSCH use for laboratory sand mill) continuously, and circulation sand milling obtains suspending agent sample in 10 minutes.Sample picks up survey particle diameter with Malvern laser fineness gage at normal temperatures, records particle diameter and is followed successively by: D101.904 μm; D503.215 μm; D904.662 μm.Sample normal temperature suspensibility is 98.3%, and sample was through 0 DEG C of cold storage 7 days, and 54 DEG C of heat are store 14 days, and sample is without analysing oil, the knot end, bleed.
Embodiment 830% dicyclo fluorine azoles bacterium amidoxime bacterium ester SC
4 grams of PluronicPE10500 (Pluronic PE 6800 BASF product) are added, 2 grams of agriculture breasts 602*, 3 grams of penetrant t X-10 in the beaker of 150ml, 5 grams of ethylene glycol, 0.3 gram of dimethicone, 0.01 gram of Sodium Benzoate, 1.5 grams of bentonites, 0.2 gram of xanthans, 63.99 grams of water.Stirring makes surfactant in beaker be dissolved in the water completely, then adds 12 grams of dicyclo fluorine azoles bacterium amine, 8 grams of oxime bacterium esters, stir again and make the final form slurry thing of the material in cup, slurry thing has the vertical little sand mill of the use for laboratory of bead in pouring into, continuous sand milling 1.5 hours, obtains suspending agent sample.Sample picks up survey particle diameter with Malvern laser fineness gage at normal temperatures, records particle diameter and is followed successively by: D101.996 μm; D503.365 μm; D905.002 μm.Sample normal temperature suspensibility is 95.6%, and sample was through 0 DEG C of cold storage 7 days, and 54 DEG C of heat are store 14 days, and sample is without analysing oil, the knot end, and syneresis rate is 0.3%,
Embodiment 940% dicyclo fluorine azoles bacterium amine ZEN 90160 SC
4 grams of dispersant M-17 (desugar discolored wood sodium sulfonate) are added, 2 grams of PluronicPE10500,2 grams of agriculture breasts 1601*, 2 grams of NP-10 in the beaker of 150ml, 3 grams of JFC, 5 grams of glycol, 0.4 gram of dimethicone, 0.01 gram of sorbic acid, 0.2 gram of xanthans, 51.39 grams of water.Stirring makes surfactant in beaker be dissolved in the water completely, then 15 grams of dicyclo fluorine azoles bacterium amine are added, 15 grams of ZEN 90160, stir again and make the final form slurry thing of the material in cup, this slurry thing passes in horizontal sand mill (NETZSCH use for laboratory sand mill) continuously, and circulation sand milling obtains suspending agent sample in 15 minutes.Sample picks up survey particle diameter with Malvern laser fineness gage at normal temperatures, records particle diameter and is followed successively by: D102.334 μm; D503.682 μm; D905.943 μm.Sample normal temperature suspensibility is 98.0%, and sample was through 0 DEG C of cold storage 7 days, and 54 DEG C of heat are store 14 days, and sample is without analysing oil, the knot end, syneresis rate 0.3%.
Embodiment 1050% dicyclo fluorine azoles bacterium amine kresoxim-methyl SC
40 grams of polystyrene-based phenol polyethenoxy ethers are added in the beaker of 2000ml, 15 grams of PluronicPE 10500 (Pluronic PE 6800 BASF product), 15 grams of agriculture breast 602*, 30 grams of penetrant t X-10,50 grams of ethylene glycol, 0.3 gram of dimethicone, 0.1 gram of sorbic acid, 5 grams of sodium hydroxide, 2 grams of xanthans, 442.6 grams of water.Stirring makes surfactant in beaker be dissolved in water completely, then 200 grams of dicyclo fluorine azoles bacterium amine are added, 300 grams of kresoxim-methyls, stir again and make the final form slurry thing of the material in cup, this slurry thing has the vertical little sand mill of the use for laboratory of bead in pouring into, continuous sand milling 1.5 hours, obtains suspending agent sample.Sample picks up survey particle diameter with Malvern laser fineness gage at normal temperatures, records particle diameter and is followed successively by: D101.099 μm; D503.255 μm; D905.482 μm.Sample normal temperature suspensibility is 96.7%, and sample was through 0 DEG C of cold storage 7 days, and 54 DEG C of heat are store 14 days, and sample is without analysing oil, the knot end, bleed.
High performance dispersant is used alternately when preparing suspending agent, in formula, add functional aid simultaneously, little and the narrowly distributing of the particle diameter of preparation, suspending agent obtained by such technique, properties of product are stablized, and in 2 years, to deposit condensate rate minimum for normal temperature, because preparation suspensibility is high, add plate-out ability, permeability, improve drug effect.
Claims (10)
1. a composite bactericide, it comprises (a) dicyclo fluorine azoles bacterium amine of antifungal effective dose, and the following component of (b) at least one: Difenoconazole, Tebuconazole, Cyproconazole, Flutriafol, prothioconazoles, Fluoxastrobin, pyrazoles Fluoxastrobin, oxime bacterium ester, ZEN 90160 and kresoxim-methyl.
2. composite bactericide as claimed in claim 1, is characterized in that: the gross mass of described (a) and (b) is the 2%-50% of described composite bactericide gross mass; The weight ratio of described (a) and (b) is 1:10-10:1.
3. composite bactericide as claimed in claim 1, it is characterized in that: also comprise the dispersant that percentage by weight is 1%-15%, the wetting agent of 0.5%-4%, the functional aid of 0.5%-5%, the defoamer of 0.1-1%, the antifreezing agent of 2%-15%, the thickener of 0.05%-2%, the mould inhibitor of 0.5%-1%, the pH adjusting agent of 0.5%-3%, surplus is deionized water.
4. composite bactericide as claimed in claim 3, is characterized in that: described dispersant is selected from phosphoric acid ester, lignosulfonates, naphthalene sulfonate, dispersant NNO, dispersant M, benzenesulfonates, polystyrene-based phenol polyethenoxy ether sulfate, carboxylate, succinic acid sulfonate, non-ionic surface active agent has Pluronic PE 6800, agriculture breast 1601#, the combination of one or more in polystyrene-based phenol polyethenoxy ether.
5. composite bactericide as claimed in claim 3, is characterized in that: described wetting agent is selected from polyoxyethylene nonylphenol ether, styrylphenol polyoxyethylene ether, agriculture breast 602*, alkylnaphthalene sulfonate, the combination of one or more in fatty alcohol-polyoxyethylene ether.
6. composite bactericide as claimed in claim 3, is characterized in that: described functional aid is selected from dialkyl succinylsuccinate sulfonate, branched fatty alcohol APEO, penetrant t X, the combination of one or more in alkyl alcohol ethoxylates.
7. composite bactericide as claimed in claim 3, is characterized in that: described antifreezing agent is selected from ethylene glycol, propane diols, diethylene glycol, the mixing of one or more in urea.
8. composite bactericide as claimed in claim 3, is characterized in that: described thickener is selected from xanthans, carboxymethyl cellulose, Magnesiumaluminumsilicate, the combination of one or more in bentonite.
9. the composite bactericide according to any one of claim 3-8, is characterized in that: the formulation of described composite bactericide is suspending agent.
10. the preparation method of composite bactericide according to any one of claim 1-9, is characterized in that comprising the steps:
(1) according to formula, former medicine, dispersant, wetting agent, functional aid, antifreezing agent, defoamer, thickener, pH adjusting agent and water are uniformly mixed into the slurry of homogeneous phase;
(2) slurry that step (1) obtains is passed into skin grinder, carry out frosted.
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| CN109526948A (en) * | 2018-12-28 | 2019-03-29 | 苏州佳辉化工有限公司 | A kind of fungicide and preparation method thereof |
| CN109730074A (en) * | 2019-01-14 | 2019-05-10 | 兴农药业（中国）有限公司 | A kind of composition pesticide containing isopyrazam and Tebuconazole |
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| CN109730074A (en) * | 2019-01-14 | 2019-05-10 | 兴农药业（中国）有限公司 | A kind of composition pesticide containing isopyrazam and Tebuconazole |
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