CN106386796A - Bispyribac sodium-cyhalofop butyl suspoemulsion and preparation method thereof - Google Patents
Bispyribac sodium-cyhalofop butyl suspoemulsion and preparation method thereof Download PDFInfo
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- CN106386796A CN106386796A CN201610762887.7A CN201610762887A CN106386796A CN 106386796 A CN106386796 A CN 106386796A CN 201610762887 A CN201610762887 A CN 201610762887A CN 106386796 A CN106386796 A CN 106386796A
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- China
- Prior art keywords
- sodium
- cyhalofop
- agent
- bispyribac
- butyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000005502 Cyhalofop-butyl Substances 0.000 title claims abstract description 82
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- RYVIXQCRCQLFCM-UHFFFAOYSA-N bispyribac Chemical compound COC1=CC(OC)=NC(OC=2C(=C(OC=3N=C(OC)C=C(OC)N=3)C=CC=2)C(O)=O)=N1 RYVIXQCRCQLFCM-UHFFFAOYSA-N 0.000 title abstract description 4
- 239000004548 suspo-emulsion Substances 0.000 title abstract 7
- 239000005488 Bispyribac Substances 0.000 title abstract 3
- FUHMZYWBSHTEDZ-UHFFFAOYSA-M bispyribac-sodium Chemical compound [Na+].COC1=CC(OC)=NC(OC=2C(=C(OC=3N=C(OC)C=C(OC)N=3)C=CC=2)C([O-])=O)=N1 FUHMZYWBSHTEDZ-UHFFFAOYSA-M 0.000 claims abstract description 53
- TYIYMOAHACZAMQ-CQSZACIVSA-N Cyhalofop-butyl Chemical group C1=CC(O[C@H](C)C(=O)OCCCC)=CC=C1OC1=CC=C(C#N)C=C1F TYIYMOAHACZAMQ-CQSZACIVSA-N 0.000 claims abstract description 48
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000080 wetting agent Substances 0.000 claims abstract description 21
- 239000002270 dispersing agent Substances 0.000 claims abstract description 20
- 239000002562 thickening agent Substances 0.000 claims abstract description 19
- 229910001868 water Inorganic materials 0.000 claims abstract description 12
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 9
- 239000003960 organic solvent Substances 0.000 claims abstract description 9
- 239000011734 sodium Substances 0.000 claims abstract description 9
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 9
- 239000000839 emulsion Substances 0.000 claims description 56
- 239000000725 suspension Substances 0.000 claims description 49
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 44
- 238000003756 stirring Methods 0.000 claims description 32
- 150000001875 compounds Chemical class 0.000 claims description 23
- -1 alkyl phenol Chemical compound 0.000 claims description 21
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- 239000013530 defoamer Substances 0.000 claims description 16
- 239000003002 pH adjusting agent Substances 0.000 claims description 16
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 11
- 238000010008 shearing Methods 0.000 claims description 11
- WMGSQTMJHBYJMQ-UHFFFAOYSA-N aluminum;magnesium;silicate Chemical compound [Mg+2].[Al+3].[O-][Si]([O-])([O-])[O-] WMGSQTMJHBYJMQ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000230 xanthan gum Substances 0.000 claims description 9
- 229920001285 xanthan gum Polymers 0.000 claims description 9
- 229940082509 xanthan gum Drugs 0.000 claims description 9
- 235000010493 xanthan gum Nutrition 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 8
- 239000001384 succinic acid Substances 0.000 claims description 8
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 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 5
- BDKLKNJTMLIAFE-UHFFFAOYSA-N 2-(3-fluorophenyl)-1,3-oxazole-4-carbaldehyde Chemical compound FC1=CC=CC(C=2OC=C(C=O)N=2)=C1 BDKLKNJTMLIAFE-UHFFFAOYSA-N 0.000 claims description 5
- 241000779819 Syncarpia glomulifera Species 0.000 claims description 5
- OOCMUZJPDXYRFD-UHFFFAOYSA-L calcium;2-dodecylbenzenesulfonate Chemical compound [Ca+2].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O.CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O OOCMUZJPDXYRFD-UHFFFAOYSA-L 0.000 claims description 5
- 239000004359 castor oil Substances 0.000 claims description 5
- 235000019438 castor oil Nutrition 0.000 claims description 5
- DTPCFIHYWYONMD-UHFFFAOYSA-N decaethylene glycol Polymers OCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO DTPCFIHYWYONMD-UHFFFAOYSA-N 0.000 claims description 5
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- 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 5
- 239000001739 pinus spp. Substances 0.000 claims description 5
- 229920000223 polyglycerol Polymers 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 235000017281 sodium acetate Nutrition 0.000 claims description 5
- 229940087562 sodium acetate trihydrate Drugs 0.000 claims description 5
- 229940036248 turpentine Drugs 0.000 claims description 5
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 5
- 239000008158 vegetable oil Substances 0.000 claims description 5
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 229920005646 polycarboxylate Polymers 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims 1
- 239000007798 antifreeze agent Substances 0.000 claims 1
- 230000002363 herbicidal effect Effects 0.000 abstract description 16
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 15
- 239000004009 herbicide Substances 0.000 abstract description 13
- 235000009566 rice Nutrition 0.000 abstract description 11
- 239000000575 pesticide Substances 0.000 abstract description 9
- 239000002552 dosage form Substances 0.000 abstract description 7
- 241000196324 Embryophyta Species 0.000 abstract description 6
- 240000007594 Oryza sativa Species 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 239000004094 surface-active agent Substances 0.000 abstract description 5
- 238000001228 spectrum Methods 0.000 abstract description 3
- 238000009333 weeding Methods 0.000 abstract description 3
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 239000000375 suspending agent Substances 0.000 description 12
- 241000209094 Oryza Species 0.000 description 10
- 239000008367 deionised water Substances 0.000 description 10
- 229910021641 deionized water Inorganic materials 0.000 description 10
- 238000005520 cutting process Methods 0.000 description 9
- 238000002156 mixing Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 238000003556 assay Methods 0.000 description 7
- 230000003449 preventive effect Effects 0.000 description 7
- 230000002528 anti-freeze Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000004945 emulsification Methods 0.000 description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000004563 wettable powder Substances 0.000 description 6
- 244000025254 Cannabis sativa Species 0.000 description 5
- 241000192043 Echinochloa Species 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 235000013339 cereals Nutrition 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 230000000857 drug effect Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 235000019198 oils Nutrition 0.000 description 4
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 4
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- BQODPTQLXVVEJG-UHFFFAOYSA-N [O].C=C Chemical group [O].C=C BQODPTQLXVVEJG-UHFFFAOYSA-N 0.000 description 3
- 231100001261 hazardous Toxicity 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- ROMMVUMWISCVBE-UHFFFAOYSA-N [F].N#CC#N Chemical compound [F].N#CC#N ROMMVUMWISCVBE-UHFFFAOYSA-N 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- PCHPORCSPXIHLZ-UHFFFAOYSA-N diphenhydramine hydrochloride Chemical compound [Cl-].C=1C=CC=CC=1C(OCC[NH+](C)C)C1=CC=CC=C1 PCHPORCSPXIHLZ-UHFFFAOYSA-N 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 206010027336 Menstruation delayed Diseases 0.000 description 1
- 241000173219 Paspalum distichum Species 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000004495 emulsifiable concentrate Substances 0.000 description 1
- 229940031098 ethanolamine Drugs 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
- A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
- A01N39/04—Aryloxy-acetic acids; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention especially relates to a bispyribac sodium-cyhalofop butyl suspoemulsion and a preparation method thereof, belonging to the technical field of pesticides. The bispyribac sodium-cyhalofop butyl suspoemulsion comprises, by mass, 5 to 10% of bispyribac sodium, 15 to 20% of cyhalofop butyl, 1 to 5% of an emulsifier, 2 to 5% of a wetting agent, 2 to 5% of a dispersing agent, 0.5 to 1% of a thickening agent, 2 to 3% of an anti-freezing agent, 0.05 to 0.3% of an antifoaming agent, 0.1 to 1.5% of a pH value adjusting agent and 15 to 20% of an organic solvent, with the balance being water. According to the invention, a scientific ratio of surfactants (including the emulsifier, the wetting agent and the dispersing agent) is employed, so the physical and chemical stability of the ispyribac sodium-cyhalofop butyl suspoemulsion is improved, the utilization rate of the ispyribac sodium-cyhalofop butyl suspoemulsion is increased, and the weeding efficacy of the ispyribac sodium-cyhalofop butyl suspoemulsion is enhanced. The suspoemulsion provided by the invention is prepared through compounding of ispyribac sodium and cyhalofop butyl, has high cost performance, a wide weed control spectrum and fast action, does no harm to later crops and is a novel high-efficiency dosage form of herbicide for rice field.
Description
Technical field
The present invention relates to technical field of pesticide, particularly to a kind of bispyribac-sodium-cyhalofop-butyl suspension emulsion and preparation method thereof.
Background technology
Oryza sativa L. is not only the main cereal crops of China, is also one of world's staple food crop.Nearly half in the world
Population, including the population in almost whole East Asia and Southeast Asia, all with rice for food.Produce throughout each continent in addition to the South Pole.
Eighties of last century late period, 400,000,000,000 kilograms about of View of World Rice annual production average out to, about 1.45 hundred million hectares of cultivated area.China Oryza sativa L.
Sown area accounts for the 1/4 of national cereal crops, and every year about at more than 3,500 ten thousand hectares, and yield then accounts for more than half.No matter plant
Area and yield, Oryza sativa L. all ranks first in China cereal crops.
And the rice field of all rice workspaces of China, always there are a large amount of weeds to occur.Medium crop smothering area accounts for total cultivated area
More than 46%, wherein serious injured area, more than 11.5%, thus loses more than 200 hundred million kilograms of grain every year.Therefore, domestic
The use ratio of herbicide for paddy field nearly reaches 100%, and its dosage is very big.With the development of agricultural cience and farming techniques,
The popularization and application of chemical herbicide as saving of labor, save time, one of cost-effective strong well stimulation.
Bispyribac-sodium, English common name：Bispyribac-sodium, chemical name：2,6- pair (4,6- SDM base-
2- epoxide) Sodium Benzoate, molecular formula：C19H17N4NaO8, No. CAS：125401-92-5 (sodium salt), 125401-75-4 (sour)；Structure
Formula is shown in formula I.Bispyribac-sodium is a kind of herbicides for use in paddy, has specially good effect to barnyard grass and Paspalum distichum (red mix root grass, Caulis Entadae), can
For preventing and kill off above the average age for marriage barnyard grass and the barnyard grass to other herbicides generation resistance.
Cyhalofop-butyl, English common name：Cyhalofop-butyl, chemical name：(R) -2- [4 (4- cyano group -2- fluorobenzene oxygen
Base) phenoxy group]-butyl propionate, molecular formula：C20H20FNO4, CA registration number：122008-85-9, structural formula is as shown in Formula II.Cyanogen
Fluorine grass ester belongs to aryloxyphenoxypropionic class herbicide, is rice terrace selective herbicide, can only make cauline leaf process, bud pre-treatment
Invalid, mainly prevent and kill off barnyard grass, the grassy weed such as Semen Euphorbiae.
The patent of Publication No. CN102461511A discloses a kind of containing Bispyribac-sodium and the Herbicidal mixture combination of cyhalofop-butyl
Thing, this Herbicidal combinations can improve drug effect with respect to single dose, delays Weed Resistance, and herbicidal spectrum is wide, and the lasting period is long, and to Oryza sativa L.
And second stubble crop safety.Also disclose bispyribac-sodium and the dosage form of cyhalofop-butyl Herbicidal combinations in this patent, including cream, hang
Floating agent, water dispersion granule, wettable powder.But through research, these dosage forms all have that preventive effect is relatively low.Meanwhile, state
Interior existing bispyribac-sodium and cyhalofop-butyl wettable powder can produce dust during production and use, and environment and people can be made
Become pollution；Bispyribac-sodium easily occurs the wild effects such as deposition, layering with cyhalofop-butyl suspending agent again, has had a strong impact on medicine
Effect；Contain substantial amounts of hazardous solvent, environmental pollution is serious in bispyribac-sodium and cyhalofop-butyl missible oil again；Bispyribac-sodium and cyhalofop-butyl
Dispersible oil-suspending agent cost too high.Accordingly, it would be desirable to research and develop a kind of preventive effect more preferably, efficacy stability and the bispyribac-sodium of environmental protection and cyanogen fluorine
The novel form of careless ester compositionss.
Content of the invention
In view of this, the invention provides a kind of bispyribac-sodium-cyhalofop-butyl suspension emulsion and preparation method thereof.This suspension emulsion carries
High bispyribac-sodium-preventive effect of cyhalofop-butyl preparation, efficacy stability, environmental protection.
In order to realize foregoing invention purpose, the present invention provides technical scheme below：
The invention provides a kind of bispyribac-sodium-cyhalofop-butyl suspension emulsion, in terms of mass fraction, including following components：
Bispyribac-sodium 5%～10%, cyhalofop-butyl 15%～20%, emulsifying agent 1%～5%, wetting agent 2%～5%, dispersion
Agent 2～5%, thickening agent 0.5～1%, antifreezing agent 2%～3%, defoamer 0.05%～0.3%, pH adjusting agent 0.1%～
1.5%, organic solvent 15%～20%, balance of water.
The key of processing pesticide suspension emulsion is exactly to select suitable formula, because suspension emulsion is thermodynamic unstable system,
The present invention chooses the physics of surfactant (emulsifying agent, wetting agent, dispersant) proportioning raising product and the chemically stable of science
Property, improve the utilization rate of product, improve the weeding preventive effect of bispyribac-sodium-cyhalofop-butyl preparation；Meanwhile, dosage form of the present invention is outstanding
Emulsion, the advantage being combined with water-based pesticide agent type aqueous emulsion and suspending agent, suspension emulsion is less than suspending agent particle, steady
Fixed, contain substantial amounts of organic solvent inside aqueous emulsion, suspension emulsion of the present invention avoids dust and the hazardous solvent of other dosage forms again
Pollution to environment and people, and suspension emulsion, than other dosage form low costs, stable performance, substantially increases safety and drug effect.
Preferably, emulsifying agent be alkylphenol-polyethenoxy (9) ether, castor oil polyoxyethylene (10) ether, phenethyl phenol gather
One or more of oxygen vinyl Ether.
Preferably, wetting agent is fatty alcohol-polyoxyethylene ether, calcium dodecyl benzene sulfonate, alkyl succinic acid fat sodium sulfonate
One or more of (alkyl carbon atoms are 16).
Preferably, dispersant is sodium lignin sulfonate, dispersant NNO, alkylphenol polyoxyethylene phosphate ester, polycarboxylic acids
One or more of salt.
In the present invention, thickening agent is used for increasing system viscosity, the structural stability of raising product.Preferably, thickening
Agent is one or more of xanthan gum, aluminium-magnesium silicate, gas-phase silica.
Preferably, thickening agent is one of xanthan gum, aluminium-magnesium silicate or two kinds.
In the present invention, add defoamer purpose be in order to be elimination system foam, convenient process and use.As
Preferably, defoamer is one or more of long-chain alcohol, polyglycerol, silicone.
In the present invention, pH adjusting agent can adjust system pH.Preferably, pH adjusting agent is Sodium Acetate Trihydrate, three ethanol
One of amine or two kinds.
Preferably, organic solvent is one or more of 150# solvent naphtha, 200# solvent naphtha, turpentine-based vegetable oil.
In the present invention, antifreezing agent is used for bispyribac-sodium and cyhalofop-butyl suspension emulsion product keeps good under low temperature state
Mobility, holding will not be freezed.Preferably, antifreezing agent is one of ethylene glycol, glycerol or two kinds.
In the present invention, water is the continuous phase of whole preparation system.
Preferably, the pH of bispyribac-sodium-cyhalofop-butyl suspension emulsion is 5～8.
Present invention also offers the preparation method of this bispyribac-sodium-cyhalofop-butyl suspension emulsion, including：
Add cyhalofop-butyl active compound, emulsifying agent, wetting agent, dispersant in organic solvent, stir to after transparent, side is stirred
Side adds water, adds bispyribac-sodium active compound, thickening agent, antifreezing agent, defoamer and pH adjusting agent, and stirring, in high-speed shearing machine
1500～10000 revs/min of rotating speed down cut 10～40 minutes, then it is ground to particle diameter D through sand mill90Till 3 μm,
Bispyribac-sodium-cyhalofop-butyl suspension emulsion is obtained.
The invention provides a kind of bispyribac-sodium-cyhalofop-butyl suspension emulsion and preparation method thereof.In terms of mass fraction, this outstanding breast
Agent includes：Bispyribac-sodium 5%～10%, cyhalofop-butyl 15%～20%, emulsifying agent 1%～5%, wetting agent 2%～5%, dispersion
Agent 2～5%, thickening agent 0.5～1%, antifreezing agent 2%～3%, defoamer 0.05%～0.3%, pH adjusting agent 0.1%～
1.5%, organic solvent 15%～20%, balance of water.The present invention one of at least has the advantages that：
1st, the present invention chooses the physics of surfactant (emulsifying agent, wetting agent, dispersant) the proportioning raising product of science
And chemical stability, improve the utilization rate of product, improve the weeding preventive effect of bispyribac-sodium-cyhalofop-butyl preparation；
2, present invention reduces environmental pollution, improve safety, drug effect, and the rice terrace foliar herbicide of the present invention hangs breast
Agent has very big environment and economic benefit.
3rd, using herbicide for paddy field bispyribac-sodium and cyhalofop-butyl as active component, adjuvant auxiliary agent adopts environment-friendly type to the present invention
Surfactant (emulsifying agent, wetting agent, dispersant) monomer, other compound surfactants more domestic more effectively, gained
Product quality is stable, and room temperature is placed character for 2 years and do not changed；
4th, the present invention is produced bispyribac-sodium and cyhalofop-butyl suspension emulsion, deionized water is as continuous phase it is ensured that knowing clearly
Production, transport, the safety of user；Compare wettable powder product and prevent dust pollution completely；Compare missible oil product to subtract
Lack hazardous solvent；Compare suspending agent product and prevent the bad phenomenon of layering of luming；
5th, suspension emulsion of the present invention is than other dosage form low costs；
6th, bispyribac-sodium and cyhalofop-butyl are re-dubbed suspension emulsion by the present invention, and product cost is high, is a kind of herbicide spectrum width, sees
Effect speed is fast, the high-efficiency rice field herbicidal novel form to succession crop safety.
Specific embodiment
The invention discloses a kind of bispyribac-sodium-cyhalofop-butyl suspension emulsion and preparation method thereof, those skilled in the art are permissible
Use for reference present disclosure, be suitably modified technological parameter and realize.Specifically, all similar replacements and change are to ability
For field technique personnel it is it will be apparent that they are considered as including in the present invention.The method of the present invention and application have been led to
Cross preferred embodiment to be described, related personnel substantially can be to this paper institute in without departing from present invention, spirit and scope
The methods and applications stated are modified or suitably change and combine, and to realize and to apply the technology of the present invention.
In bispyribac-sodium-cyhalofop-butyl suspension emulsion and preparation method thereof that the present invention provides, raw materials used medicine or adjuvant all can be by
Market is buied.
With reference to embodiment, the present invention is expanded on further：
Embodiment 1：
After adding 150# solvent naphtha 150g in cutting kettle, add cyhalofop-butyl active compound (effective content 96%)
156.3g, emulsifying agent alkylphenol-polyethenoxy (9) ether 10g, wetting agent calcium dodecyl benzene sulfonate 10g, aliphatic alcohol polyethenoxy
Ether 10g, dispersant sodium lignin sulfonate 20g, mix, stir to after transparent, add deionized water 550.1g while stirring, then plus
Enter bispyribac-sodium active compound (effective content 96%) 52.1g, thickening agent xanthan gum 10g, antifreeze glycol 30g, long chain alcohol defoamer
0.5g and pH adjusting agent Sodium Acetate Trihydrate 1g, mixing, stirring, in 1500～10000 revs/min of rotating speed down cut 10 of high-speed shearing machine
～40 minutes, then it is ground to particle diameter D through sand mill90Till 3 μm, that is, bispyribac-sodium and cyhalofop-butyl suspension emulsion are obtained.
Embodiment 2：
After adding 200# solvent naphtha 150g in cutting kettle, add cyhalofop-butyl active compound (effective content 96%)
156.3g, emulsifying agent castor oil polyoxyethylene (10) ether 25g, wetting agent alkyl succinic acid fat sodium sulfonate 35g, dispersant (NNO)
35g, mixes, stirs to after transparent, add deionized water 508.1g while stirring, add bispyribac-sodium active compound (effective content
96%) 52.1g, thickening agent aluminium-magnesium silicate 7.5g, antifreezing agent glycerol 20g, polyglycerol defoamer 1g and pH adjusting agent three second
Hydramine 10g, mixing, stirring, in the rotating speed down cut 10～40 minutes of 1500～10000 revs/min of high-speed shearing machine, then pass through
Sand mill is ground to particle diameter D90Till 3 μm, that is, bispyribac-sodium and cyhalofop-butyl suspension emulsion are obtained.
Embodiment 3：
After adding turpentine-based vegetable oil 150g in cutting kettle, add cyhalofop-butyl active compound (effective content 96%)
156.3g, emulsifying agent phenethyl phenol polyethenoxy ether 25g, wetting agent alkyl succinic acid fat sodium sulfonate 35g, dispersant alkyl phenol gathers
Oxygen ethylene ether phosphate 15g, polycarboxylate 20g, mix, stir to after transparent, add deionized water 508.1g while stirring, then
Add bispyribac-sodium active compound (effective content 96%) 52.1g, thickening agent xanthan gum 2g, aluminium-magnesium silicate 5.5g, antifreeze glycol
20g, silicone defoamer 1g and pH adjusting agent triethanolamine 10g, mixing, stirring, in high-speed shearing machine 1500～10000
Rev/min rotating speed down cut 10～40 minutes, then be ground to particle diameter D through sand mill90Till 3 μm, that is, double grass are obtained
Ether and cyhalofop-butyl suspension emulsion.
Embodiment 4：
After adding 150# solvent naphtha 180g in cutting kettle, add cyhalofop-butyl active compound (effective content 96%)
187.5g, emulsifying agent alkylphenol-polyethenoxy (9) ether 10g, wetting agent calcium dodecyl benzene sulfonate 10g, aliphatic alcohol polyethenoxy
Ether 10g, dispersant sodium lignin sulfonate 20g, mix, stir to after transparent, add deionized water 457.6g while stirring, then plus
Enter bispyribac-sodium active compound (effective content 96%) 83.4g, thickening agent xanthan gum 10g, antifreeze glycol 30g, long chain alcohol defoamer
0.5g and pH adjusting agent Sodium Acetate Trihydrate 1g, mixing, stirring, in 1500～10000 revs/min of rotating speed down cut 10 of high-speed shearing machine
～40 minutes, then it is ground to particle diameter D through sand mill90Till 3 μm, that is, bispyribac-sodium and cyhalofop-butyl suspension emulsion are obtained.
Embodiment 5：
After adding 200# solvent naphtha 180g in cutting kettle, add cyhalofop-butyl active compound (effective content 96%)
187.5g, emulsifying agent castor oil polyoxyethylene (10) ether 25g, wetting agent alkyl succinic acid fat sodium sulfonate 35g, dispersant (NNO)
35g, mixes, stirs to after transparent, add deionized water 415.6g while stirring, add bispyribac-sodium active compound (effective content
96%) 83.4g, thickening agent aluminium-magnesium silicate 7.5g, antifreezing agent glycerol 20g, polyglycerol defoamer 1g and pH adjusting agent three second
Hydramine 10g, mixing, stirring, in the rotating speed down cut 10～40 minutes of 1500～10000 revs/min of high-speed shearing machine, then pass through
Sand mill is ground to particle diameter D90Till 3 μm, that is, bispyribac-sodium and cyhalofop-butyl suspension emulsion are obtained.
Embodiment 6：
After adding turpentine-based vegetable oil 180g in cutting kettle, add cyhalofop-butyl active compound (effective content 96%)
187.5g, emulsifying agent phenethyl phenol polyethenoxy ether 25g, wetting agent alkyl succinic acid fat sodium sulfonate 35g, dispersant alkyl phenol gathers
Oxygen ethylene ether phosphate 15g, polycarboxylate 20g, mix, stir to after transparent, add deionized water 415.6g while stirring, then
Add bispyribac-sodium active compound (effective content 96%) 83.4g, thickening agent xanthan gum 2g, aluminium-magnesium silicate 5.5g, antifreeze glycol
20g, silicone defoamer 1g and pH adjusting agent triethanolamine 10g, mixing, stirring, in high-speed shearing machine 1500～10000
Rev/min rotating speed down cut 10～40 minutes, then be ground to particle diameter D through sand mill90Till 3 μm, that is, double grass are obtained
Ether and cyhalofop-butyl suspension emulsion.
Embodiment 7：
After adding 150# solvent naphtha 200g in cutting kettle, add cyhalofop-butyl active compound (effective content 96%)
208.4g, emulsifying agent alkylphenol-polyethenoxy (9) ether 10g, wetting agent calcium dodecyl benzene sulfonate 10g, aliphatic alcohol polyethenoxy
Ether 10g, dispersant sodium lignin sulfonate 20g, mix, stir to after transparent, add deionized water 395.9g while stirring, then plus
Enter bispyribac-sodium active compound (effective content 96%) 104.2g, thickening agent xanthan gum 10g, antifreeze glycol 30g, long chain alcohol defoamer
0.5g and pH adjusting agent Sodium Acetate Trihydrate 1g, mixing, stirring, in 1500～10000 revs/min of rotating speed down cut 10 of high-speed shearing machine
～40 minutes, then it is ground to particle diameter D through sand mill90Till 3 μm, that is, bispyribac-sodium and cyhalofop-butyl suspension emulsion are obtained.
Embodiment 8：
After adding 200# solvent naphtha 200g in cutting kettle, add cyhalofop-butyl active compound (effective content 96%)
208.4g, emulsifying agent castor oil polyoxyethylene (10) ether 50g, wetting agent alkyl succinic acid fat sodium sulfonate 50g, dispersant (NNO)
50g, mixes, stirs to after transparent, add deionized water 294.4g while stirring, add bispyribac-sodium active compound (effective content
96%) 104.2g, thickening agent aluminium-magnesium silicate 5g, antifreezing agent glycerol 20g, polyglycerol defoamer 3g and pH adjusting agent three ethanol
Amine 15g, mixing, stirring, in the rotating speed down cut 10～40 minutes of 1500～10000 revs/min of high-speed shearing machine, then through sand
Grinding machine is ground to particle diameter D90Till 3 μm, that is, bispyribac-sodium and cyhalofop-butyl suspension emulsion are obtained.
Embodiment 9：
After adding turpentine-based vegetable oil 200g in cutting kettle, add cyhalofop-butyl active compound (effective content 96%)
208.4g, emulsifying agent phenethyl phenol polyethenoxy ether 50g, wetting agent alkyl succinic acid fat sodium sulfonate 50g, dispersant alkyl phenol gathers
Oxygen ethylene ether phosphate 35g, polycarboxylate 15g, mix, stir to after transparent, add deionized water 294.4g while stirring, then
Addition bispyribac-sodium active compound (effective content 96%) 104.2g, thickening agent xanthan gum 2g, aluminium-magnesium silicate 3g, antifreeze glycol 20g,
Silicone defoamer 3g and pH adjusting agent triethanolamine 15g, mixing, stirring, in 1500～10000 revs/min of high-speed shearing machine
The rotating speed down cut of clock 10～40 minutes, then it is ground to particle diameter D through sand mill90Till 3 μm, that is, bispyribac-sodium and cyanogen are obtained
Fluorine grass ester suspension emulsion.
The detection of test example 1 technical specification
The technical specification of the suspension emulsion of rice terrace foliar herbicide of embodiment of the present invention 1-9 is shown in Table 1.
Table 1 bispyribac-sodium and the technical specification of cyhalofop-butyl suspension emulsion
Note：1st, the assay method of GB/T 1601-1993 pesticide pH value；
2nd, GB/T 14825-2006 agricultural-chemical suspension rate assay method；
3rd, GB/T 28137-2011 pesticide persistent foamability assay method；
4th, the pourability assay method of J volume of MT148.1 suspension preparation of CIPAC handbook；
5th, GB/T 1603 pesticidal emulsion 4stability determination；
6th, GB/T 16150 pesticide wet screening test assay method；
7th, GB/T 19136-2003 pesticide heat storage stability assay method；
8th, GB/T 19137-2003 pesticide low-temperature stability assay method.
Test example 2 control effect testing
Using embodiment 1-9 suspension emulsion, 10% bispyribac-sodium suspending agent, wettable powder, 10% cyhalofop-butyl missible oil, water and milk
Agent, 25% aqueous cyhalofop-butyl emulsion, and 20% cyhalofop-butyl bispyribac-sodium suspending agent, 30% cyhalofop-butyl bispyribac-sodium suspend
Agent has carried out the efficiency test to barnyard grass.
Wherein, 10% bispyribac-sodium suspending agent derives from Sheng Dan biochemical industry company limited of Anhui Province；
10% bispyribac-sodium wettable powder derives from Jiangxi Zheng Bang biochemical industry Co., Ltd；
10% cyhalofop-butyl missible oil derives from Nanjing Huazhou Pharmaceutical Co., Ltd.；
10% aqueous cyhalofop-butyl emulsion derives from Jiangxi big agrochemicals company limited；
25% aqueous cyhalofop-butyl emulsion derives from Mei Feng Agricultural Co., Ltd；
20% cyhalofop-butyl bispyribac-sodium suspending agent derives from Shanggezhilu Biosciences Co., Ltd., Shaanxi；
30% cyhalofop-butyl bispyribac-sodium suspending agent derives from Kesheng Group Co., Ltd., Jiangsu Prov..
Above-mentioned herbicide is shown in Table 2 to the preventive effect data of weeds in rice terrace.
Table 2 preventive effect data
From above-mentioned result of the test, a kind of high to crop safety, the environmentally friendly, good drug efficacy that the present invention is produced
The suspension emulsion bispyribac-sodium of rice terrace foliar herbicide and cyhalofop-butyl suspension emulsion, by using water as inserts, greatly
Improve greatly flash-point, improve the safety of transport, and environmental friendliness.
Shown by outdoor field experiment result simultaneously：Its bispyribac-sodium and cyhalofop-butyl suspension emulsion are used in equally effective composition
Preventive effect ratio on the premise of amount, can substitute 10% bispyribac-sodium aqueous suspension agent, 10% bispyribac-sodium wettable powder, 10% cyanogen fluorine completely
Careless emulsifiable concentrate, 10 aqueous cyhalofop-butyl emulsions, 25% aqueous cyhalofop-butyl emulsion, 20% cyhalofop-butyl bispyribac-sodium suspending agent and 30%
Cyhalofop-butyl bispyribac-sodium suspending agent product, because suspension emulsion a drug effect is good, greatly reduces drug cost, and
There is no dust during production and use, human and environment is polluted little, there is larger environmental benefit and economic benefit.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of bispyribac-sodium-cyhalofop-butyl suspension emulsion is it is characterised in that in terms of mass fraction, including following components：
Bispyribac-sodium 5%～10%, cyhalofop-butyl 15%～20%, emulsifying agent 1%～5%, wetting agent 2%～5%, dispersant 2
～5%, thickening agent 0.5～1%, antifreezing agent 2%～3%, defoamer 0.05%～0.3%, pH adjusting agent 0.1%～1.5%,
Organic solvent 15%～20%, balance of water.
2. bispyribac-sodium according to claim 1-cyhalofop-butyl suspension emulsion is it is characterised in that described emulsifying agent is alkyl phenol
One or more of polyoxyethylene (9) ether, castor oil polyoxyethylene (10) ether, phenethyl phenol polyethenoxy ether.
3. bispyribac-sodium according to claim 1 and 2-cyhalofop-butyl suspension emulsion is it is characterised in that described wetting agent is fat
One or more of polyoxyethylenated alcohol, calcium dodecyl benzene sulfonate, alkyl succinic acid fat sodium sulfonate.
4. bispyribac-sodium according to any one of claim 1 to 3-cyhalofop-butyl suspension emulsion is it is characterised in that described dispersion
Agent is one or more of sodium lignin sulfonate, dispersant NNO, alkylphenol polyoxyethylene phosphate ester, polycarboxylate.
5. bispyribac-sodium according to any one of claim 1 to 4-cyhalofop-butyl suspension emulsion is it is characterised in that described thickening
Agent is one or more of xanthan gum, aluminium-magnesium silicate, gas-phase silica.
6. bispyribac-sodium according to any one of claim 1 to 5-cyhalofop-butyl suspension emulsion is it is characterised in that described froth breaking
Agent is one or more of long-chain alcohol, polyglycerol, silicone.
7. bispyribac-sodium according to any one of claim 1 to 6-cyhalofop-butyl suspension emulsion is it is characterised in that described pH adjusts
Section agent is one of Sodium Acetate Trihydrate, triethanolamine or two kinds.
8. bispyribac-sodium according to any one of claim 1 to 7-cyhalofop-butyl suspension emulsion is it is characterised in that described organic
Solvent is one or more of 150# solvent naphtha, 200# solvent naphtha, turpentine-based vegetable oil.
9. bispyribac-sodium according to any one of claim 1 to 8-cyhalofop-butyl suspension emulsion is it is characterised in that described antifreeze
Agent is one of ethylene glycol, glycerol or two kinds.
10. as any one of claim 1 to 9 bispyribac-sodium-cyhalofop-butyl suspension emulsion preparation method it is characterised in that
Including：
Add cyhalofop-butyl active compound, emulsifying agent, wetting agent, dispersant in organic solvent, stir to after transparent, while stirring plus
Enter water, add bispyribac-sodium active compound, thickening agent, antifreezing agent, defoamer and pH adjusting agent, stirring, high-speed shearing machine 1500～
10000 revs/min of rotating speed down cut 10～40 minutes, then it is ground to particle diameter D through sand mill90Till 3 μm, that is, it is obtained
Bispyribac-sodium-cyhalofop-butyl suspension emulsion.
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