CN101796947A - Pesticide emulsion in water and preparation method thereof - Google Patents
Pesticide emulsion in water and preparation method thereof Download PDFInfo
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- CN101796947A CN101796947A CN201010147003A CN201010147003A CN101796947A CN 101796947 A CN101796947 A CN 101796947A CN 201010147003 A CN201010147003 A CN 201010147003A CN 201010147003 A CN201010147003 A CN 201010147003A CN 101796947 A CN101796947 A CN 101796947A
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- water
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- penconazole
- ether
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000000839 emulsion Substances 0.000 title claims abstract description 44
- 239000000575 pesticide Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- WKBPZYKAUNRMKP-UHFFFAOYSA-N 1-[2-(2,4-dichlorophenyl)pentyl]1,2,4-triazole Chemical compound C=1C=C(Cl)C=C(Cl)C=1C(CCC)CN1C=NC=N1 WKBPZYKAUNRMKP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000005813 Penconazole Substances 0.000 claims abstract description 34
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 14
- 239000002904 solvent Substances 0.000 claims abstract description 14
- 239000002562 thickening agent Substances 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 23
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 20
- -1 wherein Substances 0.000 claims description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 230000002528 anti-freeze Effects 0.000 claims description 11
- 239000013530 defoamer Substances 0.000 claims description 11
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910019142 PO4 Inorganic materials 0.000 claims description 8
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 8
- 239000010452 phosphate Substances 0.000 claims description 8
- DMAXMXPDVWTIRV-UHFFFAOYSA-N 2-(2-phenylethyl)phenol Chemical compound OC1=CC=CC=C1CCC1=CC=CC=C1 DMAXMXPDVWTIRV-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 238000009313 farming Methods 0.000 claims description 6
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 6
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 6
- 229920001285 xanthan gum Polymers 0.000 claims description 5
- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 claims description 4
- 235000011187 glycerol Nutrition 0.000 claims description 3
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 2
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 claims description 2
- JCUDAMKYTWVICI-UHFFFAOYSA-N 4-benzyl-2,3-dimethylphenol Chemical compound C1=C(O)C(C)=C(C)C(CC=2C=CC=CC=2)=C1 JCUDAMKYTWVICI-UHFFFAOYSA-N 0.000 claims description 2
- QXKAIJAYHKCRRA-JJYYJPOSSA-N D-arabinonic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)C(O)=O QXKAIJAYHKCRRA-JJYYJPOSSA-N 0.000 claims description 2
- 229920005682 EO-PO block copolymer Polymers 0.000 claims description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 claims description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical class OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 239000004480 active ingredient Substances 0.000 claims description 2
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 2
- 150000004996 alkyl benzenes Chemical class 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 2
- ZCILODAAHLISPY-UHFFFAOYSA-N biphenyl ether Natural products C1=C(CC=C)C(O)=CC(OC=2C(=CC(CC=C)=CC=2)O)=C1 ZCILODAAHLISPY-UHFFFAOYSA-N 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000004359 castor oil Substances 0.000 claims description 2
- 235000019438 castor oil Nutrition 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000007859 condensation product Substances 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 2
- 159000000003 magnesium salts Chemical class 0.000 claims description 2
- GBCAVSYHPPARHX-UHFFFAOYSA-M n'-cyclohexyl-n-[2-(4-methylmorpholin-4-ium-4-yl)ethyl]methanediimine;4-methylbenzenesulfonate Chemical compound CC1=CC=C(S([O-])(=O)=O)C=C1.C1CCCCC1N=C=NCC[N+]1(C)CCOCC1 GBCAVSYHPPARHX-UHFFFAOYSA-M 0.000 claims description 2
- 125000000914 phenoxymethylpenicillanyl group Chemical group CC1(S[C@H]2N([C@H]1C(=O)*)C([C@H]2NC(COC2=CC=CC=C2)=O)=O)C 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 claims description 2
- 229920000136 polysorbate Polymers 0.000 claims description 2
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical class CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 claims description 2
- 235000010413 sodium alginate Nutrition 0.000 claims description 2
- 239000000661 sodium alginate Substances 0.000 claims description 2
- 229940005550 sodium alginate Drugs 0.000 claims description 2
- 235000011076 sorbitan monostearate Nutrition 0.000 claims description 2
- 239000001587 sorbitan monostearate Substances 0.000 claims description 2
- 229940035048 sorbitan monostearate Drugs 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
- 201000010099 disease Diseases 0.000 abstract description 15
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 15
- 235000013399 edible fruits Nutrition 0.000 abstract description 12
- 238000003756 stirring Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 5
- 239000003899 bactericide agent Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 239000007798 antifreeze agent Substances 0.000 abstract 3
- 239000008346 aqueous phase Substances 0.000 abstract 3
- 239000012071 phase Substances 0.000 abstract 3
- 239000002518 antifoaming agent Substances 0.000 abstract 2
- 230000002349 favourable effect Effects 0.000 abstract 2
- 230000003254 anti-foaming effect Effects 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 238000009775 high-speed stirring Methods 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 235000013311 vegetables Nutrition 0.000 abstract 1
- 206010039509 Scab Diseases 0.000 description 14
- 239000003814 drug Substances 0.000 description 12
- 230000003902 lesion Effects 0.000 description 10
- 239000003960 organic solvent Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 240000008067 Cucumis sativus Species 0.000 description 5
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 5
- 241000221785 Erysiphales Species 0.000 description 5
- 235000014443 Pyrus communis Nutrition 0.000 description 5
- 238000011835 investigation Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000000361 pesticidal effect Effects 0.000 description 4
- 230000003449 preventive effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000006071 cream Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 231100000053 low toxicity Toxicity 0.000 description 3
- 231100000572 poisoning Toxicity 0.000 description 3
- 230000000607 poisoning effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 210000000170 cell membrane Anatomy 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000003113 dilution method Methods 0.000 description 2
- 239000002612 dispersion medium Substances 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- OILXMJHPFNGGTO-UHFFFAOYSA-N (22E)-(24xi)-24-methylcholesta-5,22-dien-3beta-ol Natural products C1C=C2CC(O)CCC2(C)C2C1C1CCC(C(C)C=CC(C)C(C)C)C1(C)CC2 OILXMJHPFNGGTO-UHFFFAOYSA-N 0.000 description 1
- RQOCXCFLRBRBCS-UHFFFAOYSA-N (22E)-cholesta-5,7,22-trien-3beta-ol Natural products C1C(O)CCC2(C)C(CCC3(C(C(C)C=CCC(C)C)CCC33)C)C3=CC=C21 RQOCXCFLRBRBCS-UHFFFAOYSA-N 0.000 description 1
- SNTWKPAKVQFCCF-UHFFFAOYSA-N 2,3-dihydro-1h-triazole Chemical compound N1NC=CN1 SNTWKPAKVQFCCF-UHFFFAOYSA-N 0.000 description 1
- OQMZNAMGEHIHNN-UHFFFAOYSA-N 7-Dehydrostigmasterol Natural products C1C(O)CCC2(C)C(CCC3(C(C(C)C=CC(CC)C(C)C)CCC33)C)C3=CC=C21 OQMZNAMGEHIHNN-UHFFFAOYSA-N 0.000 description 1
- 241000235349 Ascomycota Species 0.000 description 1
- 241000221198 Basidiomycota Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- DNVPQKQSNYMLRS-NXVQYWJNSA-N Ergosterol Natural products CC(C)[C@@H](C)C=C[C@H](C)[C@H]1CC[C@H]2C3=CC=C4C[C@@H](O)CC[C@]4(C)[C@@H]3CC[C@]12C DNVPQKQSNYMLRS-NXVQYWJNSA-N 0.000 description 1
- 206010015946 Eye irritation Diseases 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 229930182558 Sterol Natural products 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000017858 demethylation Effects 0.000 description 1
- 238000010520 demethylation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- DNVPQKQSNYMLRS-SOWFXMKYSA-N ergosterol Chemical compound C1[C@@H](O)CC[C@]2(C)[C@H](CC[C@]3([C@H]([C@H](C)/C=C/[C@@H](C)C(C)C)CC[C@H]33)C)C3=CC=C21 DNVPQKQSNYMLRS-SOWFXMKYSA-N 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 231100000013 eye irritation Toxicity 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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- 150000003432 sterols Chemical class 0.000 description 1
- 235000003702 sterols Nutrition 0.000 description 1
- 239000002426 superphosphate Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of agricultural bactericide, in particular to a pesticide emulsion in water and a preparation method thereof. The pesticide emulsion in water comprises the effective ingredient of penconazole and also comprises emulsifier, antifreeze agent, antifoaming agent, solvent, thickening agent and water. The components are in the following percentage by weight: 1-30% of the penconazole, 1-15% of the emulsifier, 1-5% of the antifreeze agent, 0-0.5% of the antifoaming agent, 1-45% of the solvent, 0.1-3% of the thickening agent and the balance of the water. The preparation method of the emulsion in water comprises: dissolving the penconazole with a small quantity of the solvent and the emulsifier, and evenly stirring to obtain even oil phase; stirring and mixing the water, the antifoaming gent, the antifreeze agent and the thickening agent to form uniform aqueous phase; at normal temperature and under high-speed stirring, adding the oil phase into the aqueous phase, or adding the aqueous phase into the oil phase to form emulsion in water with favourable dispersion, wherein the stirring speed is 200-3000 rpm, and the stirring time is 30-60 minutes; detecting products with grain diameter below 2.00 micrometers by utilizing a laser particle distribution instrument. The preparation of the invention takes water as the substrate, has the advantages of safe production, storage and transportation, environment protection, favorable prevention effect on common diseases of fruit trees, vegetable and the like, safe and convenient use, low cost and the like.
Description
Technical field
The invention belongs to technical field of agricultural fungicide, be specifically related to a kind of pesticide emulsion in water and preparation method thereof, particularly a kind of pesticide emulsion in water that contains penconazole and preparation method thereof.
Technical background
Along with the concern of people, require to reduce Pesticidal products and use the environmental hazard of bringing environment.For adapting to this social desirability, in the Pesticidal products exploitation,, require pesticidal preparations to develop to solidification, water baseization direction paying attention to the exploitation low toxicity, efficiently in the pesticide new variety, pesticidal preparations being had higher requirement.Pesticide emulsion in water is a kind of pesticides new formulation, is the water-fast solution that the former medicine of water-fast liquid state or solid-state former medicine is dissolved in the organic solvent gained, is scattered in the water and forms.Owing to replaced for environment and the virulent organic solvent of people and animals as dispersion medium with water in the aqueous emulsion, thereby reduce the consumption of organic solvent, had advantages such as environmental protection, safety, become the important directions that the present formulations of pesticide develop.
The penconazole chemical name is 1-(2,4-two chloro-β-propylbenzene ethyl)-1-1H-1,2, the 4-triazole, belong to triazole bactericidal agent, the main mechanism of action is sterol demethylation inhibitor, destroys and stop the biosynthesis of the cell membrane important composition composition ergosterol of germ, cause cell membrane not form, make germ death.Because absorption in having well, therefore can be rapidly by plant absorbing, and in conducted inside; Have good protection and therapeutic activity.Can prevent and treat disease due to sac fungi, basidiomycetes and the imperfect fungus effectively, especially powdery mildew, scab etc. be had excellent preventive effect.
The main formulation of the penconazole bactericide product of using on the agricultural chemicals market is a missible oil at present.Missible oil needs to use a large amount of organic solvents in process of production, organic solvent itself is with regard to inflammable, explosive, easy poisoning, therefore in production, storage, transportation, easily burn, accidents such as blast, poisoning, and in use strengthened the pollution of environment and operator's harm.And aqueous emulsion is water base chemical preparation, does not contain a large amount of organic solvents, and production process does not have dust, the no three wastes, and environmental pollution is little, and energy consumption is low.But this efficient, low toxicity, environment amenable penconazole aqueous emulsion are effectively used at present as yet.
Summary of the invention
The objective of the invention is at the problems referred to above, the pesticide emulsion in water of a kind of efficient, low toxicity, environmental protection, safety is provided.Another object of the present invention is to provide a kind of preparation method of above-mentioned pesticide emulsion in water.
The present invention is achieved through the following technical solutions:
The present invention relates to a kind of pesticide emulsion in water, wherein active ingredient is penconazole, also comprises emulsifier, antifreeze, defoamer, solvent, thickener and water.
Wherein, described emulsifier is selected from agricultural newborn 500# (alkyl benzene calcium sulfonate), NP series phosphate (polyoxyethylene nonylphenol ether phosphate), 600# phosphate (phenethyl phenol polyethenoxy ether phosphate), phenethyl polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, farming newborn 400# (benzyl dimethyl phenol polyethenoxy ether), farming newborn 600# (phenethyl phenol polyethenoxy ether), Nongru-700 # (alkylphenol polyoxyethylene formaldehyde condensation products), farming newborn 1600# (phenethyl phenol polyethenoxy polyethenoxy ether), ethylene oxide-propylene oxide block copolymer, NP series (polyoxyethylene nonylphenol ether), BY series (castor oil polyoxyethylene ether), peaceful newborn 33# (alkylaryl polyoxyethylene polyoxypropylene ether), sapn series (sorbitan monostearate), tween series (sorbitan fatty acid ester APEO), in the AE0 series (fatty alcohol-polyoxyethylene ether) one or more.
Described antifreeze is selected from one or more in ethylene glycol, propane diols, glycerine, isopropyl alcohol, the butanols.
Described defoamer is an organosilicon.
Described solvent is selected from one or more in methyl alcohol, ethanol, cyclohexanone, toluene, dimethylbenzene, N-Methyl pyrrolidone, aromatic hydrocarbons or its compound.
Described thickener is selected from one or more in Magnesiumaluminumsilicate, CMC, sodium alginate, PVA, arabic acid glue, polyacrylic acid, the xanthans.
The weight percentage of each component is respectively penconazole 1～30% in the pesticide emulsion in water of the present invention, emulsifier 1～15%, antifreeze 1～5%, defoamer 0～0.5%, solvent 1～45%, thickener 0.1～3%, water surplus.
The preparation method of pesticide emulsion in water of the present invention is: by above-mentioned weight percentage, with penconazole a small amount of solvent and emulsifiers dissolve, stirring obtains even oil phase; Then water, defoamer, antifreeze, thickener are mixed, form the homogeneous water, under normal temperature and high-speed stirred, oil phase is joined water, or water joins oil phase, form finely disseminated aqueous emulsion, measure the product cut size obtain below 2.00 microns with the laser particle size distribution instrument; The mixing speed that the present invention selects is 200～3000 rev/mins; Mixing time is 30～60 minutes.
Compared with prior art, penconazole aqueous emulsion of the present invention has following advantage: the one, owing to do not contain poisonous, inflammable organic solvent, unassured fiery fried dangerous, no unpleasant toxic odor, little to eye irritation, reduced pollution, improved safety greatly production, storing and user to environment; The 2nd, be matrix with the water of cheapness, saved a large amount of organic solvents simultaneously, manufacturing cost is descended significantly; The 3rd, the requirement of packing container also be can not show a candle to the missible oil harshness, thereby reduce packing cost; The 4th, substitute organic solvent with water, to environment and person poultry safety, the probability that produces poisoning is reduced greatly.
Embodiment
For a better understanding of the present invention, the invention will be further described below in conjunction with embodiment.Should be appreciated that specific embodiment described herein only is used to explain the present invention, and be not used in qualification the present invention.Percentage among the embodiment all is weight percentage.
The preparation of embodiment 1:5% penconazole aqueous emulsion.
Penconazole 5%, agricultural newborn 600#3%, BY140#3%, ethylene glycol 5%, organosilicon 0.2%, dimethylbenzene 10%, xanthans 0.2%, water is mended to 100%.Get above-mentioned raw materials by weight percent, with penconazole solvent and emulsifiers dissolve, stirring obtains even oil phase; Then water, defoamer, antifreeze, thickener are mixed, form the homogeneous water, under normal temperature and high-speed stirred oil phase is joined water, or water joins oil phase, form finely disseminated aqueous emulsion, mixing speed is 200～3000 rev/mins; Mixing time is 30～60 minutes; Measure the product cut size obtain below 2.00 microns with the laser particle size distribution instrument.
The preparation of example 2:10% penconazole aqueous emulsion.
Penconazole 10%, agricultural newborn 600#2%, EL-40#2%, peaceful newborn 33#1.5%, glycerine 3%, organosilicon 0.2%, dimethylbenzene 10%, cyclohexanone 5%, xanthans 0.15%, water is mended to 100%.Get above-mentioned raw materials by weight percent, with penconazole solvent and emulsifiers dissolve, stirring obtains even oil phase; Then water, defoamer, antifreeze, thickener are mixed, form the homogeneous water, under normal temperature and high-speed stirred oil phase is joined water, or water joins oil phase, form finely disseminated aqueous emulsion, mixing speed is 200～3000 rev/mins; Mixing time is 30～60 minutes; Measure the product cut size obtain below 2.00 microns with the laser particle size distribution instrument.
The preparation of example 3:20% penconazole aqueous emulsion.
Penconazole 20%, agricultural newborn 1600#3%, 700#3%, NP-10P 2%, ethylene glycol 4%, organosilicon 0.3%, toluene 15%, cyclohexanone 10%, xanthans 0.15%, water is mended to 100%.Get above-mentioned raw materials by weight percent, with penconazole a small amount of solvent and emulsifiers dissolve, stirring obtains even oil phase; Then water, defoamer, antifreeze, thickener are mixed, form the homogeneous water, under normal temperature and high-speed stirred oil phase is joined water, or water joins oil phase, form finely disseminated aqueous emulsion, mixing speed is 200～3000 rev/mins; Mixing time is 30～60 minutes; Measure the product cut size obtain below 2.00 microns with the particle size distribution test instrument.
Embodiment 4: penconazole aqueous emulsion and penconazole missible oil compare the control efficiency of powdery mildew of cucumber.
In field test penconazole aqueous emulsion and corresponding cream preparation thereof control efficiency to powdery mildew of cucumber.For the examination cucumber variety is No. 1, greenhouse, Great Wall, 667m
2Plant about 2500 strains, make base manure, the conventional cultivation management with composite fertilizer 150kg, superphosphate 100kg, fertilizer 250kg.Reagent agent embodiment 2 (10% penconazole aqueous emulsion) and contrast medicament 10% penconazole missible oil carry out dilution process by 3000 times respectively, randomised block design, and every processing repeats every sub-district 15m 4 times
2, be blank with the clear water.At the powdery mildew of cucumber their early stage, adopt backpack hand high-pressure sprayer to handle (leaf positive and negative even medicine), carry out the spray medicine the 1st time, later on every dispenser in 7 days 1 time, totally 3 times.Respectively at 7 days investigation incidences before the 1st dispenser, before the 2nd dispenser, before the 3rd dispenser and after the 3rd dispenser, every sub-district is by getting 5 investigation at random, look into 3 strains at every, 5 leaf investigation are got in every strain upper, middle and lower, by 9 grade standard classifications, record incidence of leaf and sick level are calculated disease index, control efficiency.
The blade grade scale: 0 grade, no scab; 1 grade, lesion area is below 5%; 3 grades, lesion area 6%～10%; 5 grades, lesion area 11%～20%; 7 grades, lesion area 21%～50%; 9 grades, lesion area is more than 50%.
Disease index=∑ [(the sick numbers of sheets at different levels * relative level numerical value)] * 100/ (investigating total number of sheets * 9)
Control efficiency (%)=[1-(disease index behind disease index before the blank district medicine * chemicals treatment district medicine)/(disease index before disease index behind the blank district medicine * chemicals treatment district medicine)] * 100
Table 1 is prevented and treated the test of pesticide effectiveness result of powdery mildew of cucumber
Embodiment 5: penconazole aqueous emulsion and penconazole missible oil compare the control efficiency of pear scab.
In the aqueous emulsion of field test penconazole and corresponding cream preparation thereof control efficiency to pear scab.The test kind is a pear.The age of tree 13 years, line-spacing 5m, spacing in the rows 3m.Reagent agent embodiment 3 (20% penconazole aqueous emulsion) and contrast medicament 20% penconazole missible oil carry out dilution process by 5000 times respectively; With the clear water is blank.Repeat 4 times, 3 strains of every sub-district, district's group is arranged at random, and guard row is established in the minizone.At the pear scab their early stage, adopt backpack hand high-pressure sprayer to spray medicine first, dispenser same day be a fine day.Execute 1 time every 10～14d, connect and execute 3 times, 14d investigation preventive effect after the last dispenser.2 strains are investigated in every sub-district, every strain divide East, West, South, North, in 5 samplings, every 20 leaves and 20 fruit investigation of getting current-year branch, record incidence of leaf (really) number and sick level are calculated disease index, control efficiency.
The leaf stage division.0 grade: anosis; 1 grade: lesion area accounts for below 10% of one-piece blade area; 3 grades: lesion area accounts for 11%～25% of one-piece blade area; 5 grades: lesion area accounts for 26%～40% of one-piece blade area; 7 grades: lesion area accounts for 41%～65% of one-piece blade area; 9 grades: lesion area accounts for more than 65% of one-piece blade area.
The fruit stage division.0 grade: no scab; 1 grade: on each fruit 1～2 of scab is arranged; 3 grades: on each fruit 3～4 of scabs are arranged; 5 grades: on each fruit 5～6 of scabs are arranged; 7 grades: on each fruit 7～10 of scabs are arranged, the part scab links to each other and accounts for fruit area about 1/5; 9 grades: scab is arranged more than 10 on each fruit, scab links to each other and accounts for the fruit area more than 1/4.
Disease index=∑ [sick leaves at different levels (really) number * relative level numerical value] * 100/[investigates total leaf (really) number * 9]
Control efficiency (%)=(contrast disease index-processing disease index) * 100/ contrast disease index
Table 2 is prevented and treated the test of pesticide effectiveness result of pear scab
| Medicament kind | Extension rate | Sick leaf rate (%) | Disease index | Blade preventive effect (%) | Diseased fruit rate (%) | Disease index | Fruit preventive effect (%) |
| Embodiment 3 | ??5000 | ??4.70 | ??0.98 | ??92.85 | ??1.10 | ??0.37 | ??95.71 |
| 20% penconazole missible oil | ??5000 | ??5.30 | ??1.08 | ??92.12 | ??1.65 | ??0.44 | ??94.90 |
| Clear water contrast (CK) | ??-- | ??44.45 | ??13.70 | ??-- | ??30.60 | ??8.63 | ??-- |
From last table 1, table 2 result as can be known, the pesticide emulsion in water of the embodiment of the invention, compare with traditional cream preparation, under identical extension rate, use, drug effect is suitable, but pesticide emulsion in water of the present invention has replaced for environment and the virulent organic solvent of people and animals as dispersion medium with water, when saving cost, the pressure of environment is also reduced greatly.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. pesticide emulsion in water, wherein, active ingredient is penconazole, it is characterized in that, described pesticide emulsion in water also comprises emulsifier, antifreeze, defoamer, solvent, thickener and water.
2. pesticide emulsion in water according to claim 1, it is characterized in that described emulsifier is selected from agricultural newborn 500# (alkyl benzene calcium sulfonate), NP series phosphate (polyoxyethylene nonylphenol ether phosphate), 600# phosphate (phenethyl phenol polyethenoxy ether phosphate), phenethyl polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, farming newborn 400# (benzyl dimethyl phenol polyethenoxy ether), farming newborn 600# (phenethyl phenol polyethenoxy ether), Nongru-700 # (alkylphenol polyoxyethylene formaldehyde condensation products), farming newborn 1600# (phenethyl phenol polyethenoxy polyethenoxy ether), ethylene oxide-propylene oxide block copolymer, NP series (polyoxyethylene nonylphenol ether), BY series (castor oil polyoxyethylene ether), peaceful newborn 33# (alkylaryl polyoxyethylene polyoxypropylene ether), sapn series (sorbitan monostearate), tween series (sorbitan fatty acid ester APEO), in the AE0 series (fatty alcohol-polyoxyethylene ether) one or more.
3. pesticide emulsion in water according to claim 1 is characterized in that described antifreeze is selected from one or more in ethylene glycol, propane diols, glycerine, isopropyl alcohol, the butanols.
4. pesticide emulsion in water according to claim 1 is characterized in that, described defoamer is an organosilicon.
5. pesticide emulsion in water according to claim 1 is characterized in that, described solvent is selected from one or more in methyl alcohol, ethanol, cyclohexanone, toluene, dimethylbenzene, N-Methyl pyrrolidone, aromatic hydrocarbons or its compound.
6. pesticide emulsion in water according to claim 1 is characterized in that, described thickener is selected from one or more in Magnesiumaluminumsilicate, CMC, sodium alginate, PVA, arabic acid glue, polyacrylic acid, the xanthans.
7. pesticide emulsion in water according to claim 1 is characterized in that, the weight percentage of each component is respectively in the described aqueous emulsion: penconazole 1～30%, emulsifier 1～15%, antifreeze 1～5%, defoamer 0～0.5%, solvent 1～45%, thickener 0.1～3%, water surplus.
8. the preparation method of a pesticide emulsion in water according to claim 1 is characterized in that, according to the weight percentage of claim 7, penconazole with a small amount of solvent and emulsifier for mixing dissolving, is obtained even oil phase; Then water, defoamer, antifreeze, thickener are mixed, form the homogeneous water, under normal temperature and high-speed stirred, oil phase is joined water, or water joins oil phase, form finely disseminated aqueous emulsion.The selected mixing speed of this preparation method is 200～3000 rev/mins; Mixing time is 30～60 minutes.
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