CN101069506A - Pymetrozine suspension agent and preparation method - Google Patents
Pymetrozine suspension agent and preparation method Download PDFInfo
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- CN101069506A CN101069506A CN 200710024513 CN200710024513A CN101069506A CN 101069506 A CN101069506 A CN 101069506A CN 200710024513 CN200710024513 CN 200710024513 CN 200710024513 A CN200710024513 A CN 200710024513A CN 101069506 A CN101069506 A CN 101069506A
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- Prior art keywords
- agent
- suspending agent
- ether
- sodium
- agent according
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- 239000005925 Pymetrozine Substances 0.000 title claims abstract description 14
- QHMTXANCGGJZRX-WUXMJOGZSA-N pymetrozine Chemical compound C1C(C)=NNC(=O)N1\N=C\C1=CC=CN=C1 QHMTXANCGGJZRX-WUXMJOGZSA-N 0.000 title claims abstract description 14
- 239000000375 suspending agent Substances 0.000 title claims description 36
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002270 dispersing agent Substances 0.000 claims abstract description 14
- 239000003381 stabilizer Substances 0.000 claims abstract description 13
- 239000002562 thickening agent Substances 0.000 claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims description 58
- 241001124076 Aphididae Species 0.000 claims description 29
- 150000002576 ketones Chemical class 0.000 claims description 28
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 20
- -1 alkyl naphthalene formaldehyde Chemical compound 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 13
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 12
- 239000013530 defoamer Substances 0.000 claims description 12
- 230000000740 bleeding effect Effects 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 8
- 238000000498 ball milling Methods 0.000 claims description 8
- 229920001223 polyethylene glycol Polymers 0.000 claims description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- RRAFCDWBNXTKKO-UHFFFAOYSA-N eugenol Chemical compound COC1=CC(CC=C)=CC=C1O RRAFCDWBNXTKKO-UHFFFAOYSA-N 0.000 claims description 6
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 5
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 5
- 150000003871 sulfonates Chemical class 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 235000011187 glycerol Nutrition 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229920002545 silicone oil Polymers 0.000 claims description 4
- 229920001285 xanthan gum Polymers 0.000 claims description 4
- YSUQLAYJZDEMOT-UHFFFAOYSA-N 2-(butoxymethyl)oxirane Chemical compound CCCCOCC1CO1 YSUQLAYJZDEMOT-UHFFFAOYSA-N 0.000 claims description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 3
- NPBVQXIMTZKSBA-UHFFFAOYSA-N Chavibetol Natural products COC1=CC=C(CC=C)C=C1O NPBVQXIMTZKSBA-UHFFFAOYSA-N 0.000 claims description 3
- RZXLPPRPEOUENN-UHFFFAOYSA-N Chlorfenson Chemical compound C1=CC(Cl)=CC=C1OS(=O)(=O)C1=CC=C(Cl)C=C1 RZXLPPRPEOUENN-UHFFFAOYSA-N 0.000 claims description 3
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000005770 Eugenol Substances 0.000 claims description 3
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 3
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- UVMRYBDEERADNV-UHFFFAOYSA-N Pseudoeugenol Natural products COC1=CC(C(C)=C)=CC=C1O UVMRYBDEERADNV-UHFFFAOYSA-N 0.000 claims description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 3
- 239000004283 Sodium sorbate Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical group [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 3
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 claims description 3
- 229960002217 eugenol Drugs 0.000 claims description 3
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 3
- 239000000944 linseed oil Substances 0.000 claims description 3
- 235000021388 linseed oil Nutrition 0.000 claims description 3
- 229920000609 methyl cellulose Polymers 0.000 claims description 3
- 239000001923 methylcellulose Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical class CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 claims description 3
- LROWVYNUWKVTCU-STWYSWDKSA-M sodium sorbate Chemical compound [Na+].C\C=C\C=C\C([O-])=O LROWVYNUWKVTCU-STWYSWDKSA-M 0.000 claims description 3
- 235000019250 sodium sorbate Nutrition 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- CUFXMPWHOWYNSO-UHFFFAOYSA-N 2-[(4-methylphenoxy)methyl]oxirane Chemical compound C1=CC(C)=CC=C1OCC1OC1 CUFXMPWHOWYNSO-UHFFFAOYSA-N 0.000 claims description 2
- AOBIOSPNXBMOAT-UHFFFAOYSA-N 2-[2-(oxiran-2-ylmethoxy)ethoxymethyl]oxirane Chemical compound C1OC1COCCOCC1CO1 AOBIOSPNXBMOAT-UHFFFAOYSA-N 0.000 claims description 2
- 239000004151 Calcium iodate Substances 0.000 claims description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 2
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- FQYUMYWMJTYZTK-UHFFFAOYSA-N Phenyl glycidyl ether Chemical compound C1OC1COC1=CC=CC=C1 FQYUMYWMJTYZTK-UHFFFAOYSA-N 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 2
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 claims description 2
- 150000004056 anthraquinones Chemical class 0.000 claims description 2
- 229920001400 block copolymer Polymers 0.000 claims description 2
- UHWJJLGTKIWIJO-UHFFFAOYSA-L calcium iodate Chemical compound [Ca+2].[O-]I(=O)=O.[O-]I(=O)=O UHWJJLGTKIWIJO-UHFFFAOYSA-L 0.000 claims description 2
- 235000019390 calcium iodate Nutrition 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- 229920006184 cellulose methylcellulose Polymers 0.000 claims description 2
- 239000007859 condensation product Substances 0.000 claims description 2
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 229920005610 lignin Polymers 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 claims description 2
- 229940096992 potassium oleate Drugs 0.000 claims description 2
- MLICVSDCCDDWMD-KVVVOXFISA-M potassium;(z)-octadec-9-enoate Chemical compound [K+].CCCCCCCC\C=C/CCCCCCCC([O-])=O MLICVSDCCDDWMD-KVVVOXFISA-M 0.000 claims description 2
- 235000010232 propyl p-hydroxybenzoate Nutrition 0.000 claims description 2
- QELSKZZBTMNZEB-UHFFFAOYSA-N propylparaben Chemical compound CCCOC(=O)C1=CC=C(O)C=C1 QELSKZZBTMNZEB-UHFFFAOYSA-N 0.000 claims description 2
- 229960003415 propylparaben Drugs 0.000 claims description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 claims description 2
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 2
- 239000004299 sodium benzoate Substances 0.000 claims description 2
- 235000010234 sodium benzoate Nutrition 0.000 claims description 2
- 239000003549 soybean oil Substances 0.000 claims description 2
- 235000012424 soybean oil Nutrition 0.000 claims description 2
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 241000209094 Oryza Species 0.000 description 12
- 235000007164 Oryza sativa Nutrition 0.000 description 12
- 235000009566 rice Nutrition 0.000 description 12
- 230000003449 preventive effect Effects 0.000 description 11
- 239000003814 drug Substances 0.000 description 10
- 241000238631 Hexapoda Species 0.000 description 7
- 239000008367 deionised water Substances 0.000 description 7
- 229910021641 deionized water Inorganic materials 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000009736 wetting Methods 0.000 description 6
- 238000009472 formulation Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000000575 pesticide Substances 0.000 description 5
- 241001556089 Nilaparvata lugens Species 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000004083 survival effect Effects 0.000 description 4
- SZHOJFHSIKHZHA-UHFFFAOYSA-N tridecanoic acid Chemical compound CCCCCCCCCCCCC(O)=O SZHOJFHSIKHZHA-UHFFFAOYSA-N 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 239000002917 insecticide Substances 0.000 description 3
- 241000819999 Nymphes Species 0.000 description 2
- 235000019994 cava Nutrition 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000004495 emulsifiable concentrate Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- ZDPHROOEEOARMN-UHFFFAOYSA-N undecanoic acid Chemical compound CCCCCCCCCCC(O)=O ZDPHROOEEOARMN-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- YAQXGBBDJYBXKL-UHFFFAOYSA-N iron(2+);1,10-phenanthroline;dicyanide Chemical compound [Fe+2].N#[C-].N#[C-].C1=CN=C2C3=NC=CC=C3C=CC2=C1.C1=CN=C2C3=NC=CC=C3C=CC2=C1 YAQXGBBDJYBXKL-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention discloses a pymetrozine suspension and its preparation method. It is formed from the following components: (by wt%) 3%-60% of pymetrozine, 1%-10% of defoaming agent, 0.5%-50% of dispersing agent, 0.1%-5% of antifreezing agent, 0.3%-10% of thickening agent, 0.01%-20% of stabilizing agent, 0%-10% of penetrating agent, 10%-80% of water and pH regulating agent for regulating pH value to 5-9. Said invention also provides the concrete steps of its preparation method.
Description
Technical field
The invention belongs to pesticide field, be specifically related to suspending agent of a kind of insecticide and preparation method thereof.
Background technology
Pyrrole aphid ketonize formal name used at school claims: (E)-4, and 5-2 hydrogen-6-methyl-4-(3-pyridine methylene amine)-1,2,4-triazine-3 (2H)-ketone.
Pyrrole aphid ketone is high-efficient low toxicity insecticide, and it is to environment, people, animal, pest natural enemy and other beneficial organism safety, and control of insect is difficult for producing resistance, and it belongs to the insecticide of friendly environment, at present domestic-developed wetting powder.In recent years, national requirements exploitation friendly environment novel form, formulations of pesticide exploitation is to water baseization, ultramicronising, no dust and the development of sustained release aspect.Wherein water baseization is exactly one of main direction of agricultural chemicals development.Water can reduce the consumption of organic solvent as the suspending agent of solvent, the dust pollution that does not have wetting powder and pulvis to bring again, and reduced the pesticide producing cost, become a kind of very important formulation in the pesticide manufacturing.
Summary of the invention
The objective of the invention is by the effect of dispersant and the physics peptizaiton of ball mill; pyrrole aphid ketone is dispersed in the deionized water with small solid state; thereby a kind of consumption that can reduce the organic solvent in the pesticidal preparations is provided, can also protects the suspending agent of pyrrole aphid ketone better.
Another object of the present invention provides a kind of preparation method of above-mentioned suspending agent
Purpose of the present invention can reach by following measure:
A kind of pymetrozine suspension agent, form by following components in weight percentage:
Pyrrole aphid ketone 3%～60% defoamer 1%～10%
Dispersant 0.5%～50% antifreezing agent 0.1%～5%
Thickener 0.3～10% bleeding agent 0%～10%
Stabilizing agent 0.01%～20% water 10%～80%
It is 5～9 that the pH value is regulated in the pH regulator agent.
Dispersant is selected from sodium lignin sulfonate, the lignin calcium iodate, lauryl alcohol polyethylene glycol oxide base ether sodium sulfate, the alkyl naphthalene formaldehyde condensate sulfonates, neopelex, lauryl sodium sulfate, potassium oleate, enuatrol, alkyl polyoxyethylene ether sulfonate, alkylphenol-polyethenoxy base ether formaldehyde condensation products, alkylphenol-polyethenoxy base ether Nonyl pheno base ether, polyoxyethylene polyoxypropylene base ether block copolymers, draw back powder, poly-second carboxylic esters sodium salt, in dodecyl polyoxyethylene ether phosphate or the alkyl naphthalene formaldehyde condensate sulfonates one or more.
Thickener is selected from one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose or the polyvinyl alcohol.
Stabilizing agent is selected from one or more in catechol, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, chloropropylene oxide, sodium sorbate, Sodium Benzoate, epoxidised soybean oil, linseed oil, quinhydrones, anthraquinone, eugenol, citric acid, hydroxy benzoate or the nipasol.
Defoamer is selected from silicone oil, silicone compound, C
10-20Saturated fat acid compounds, C
8-10In aliphatic alcohols compound or the П-ethyl hexanol one or more.Wherein silicone compound such as organosilicon etc., C
10-20Saturated fat acid compounds such as hendecanoic acid, tridecanoic acid, pentadecanoic acid etc., C
8-10Aliphatic alcohols compound such as certain herbaceous plants with big flowers alcohol, ten alkanols etc.
Antifreezing agent is selected from one or more in ethylene glycol, glycerine, propane diols, polyethylene glycol, sorbierite or the urea.
The pH regulator agent is selected from one or more in sodium hydroxide, ammoniacal liquor, acetic acid, citric acid or the phosphoric acid.The consumption of pH regulator agent is that to make the pH value of suspending agent be 5～9.
Bleeding agent is an organosilicon.
A kind of method for preparing pymetrozine suspension agent, pyrrole aphid ketone and dispersant, thickener, stabilizing agent, defoamer, antifreezing agent, bleeding agent, PH conditioning agent and water are mixed according to the above ratio, ball milling is 2～3 hours in ball mill, makes particle diameter all below the 5 μ m.
In the formulations of pesticide, conventional dosage forms is based on EC (emulsifiable concentrate), WP (wetting powder), and water baseization formulation came into the market successively in nearly 2 years, and suspending agent (SC) then is representative wherein.Because it is a matrix with water, particle diameter is generally 1-3um, average 90% particle diameter≤5um, and suspensibility 〉=90%, high the opening up and adhesivity of performance on the crop blade face, it uses drug effect to compare with WP, and very big difference is arranged.
The present invention is scattered in the particle of pyrrole aphid ketone with miniaturization in the water, thereby has:
1. the flash-point height does not burn and does not explode, and produces storage and safe in utilization;
2. dust is few, and environmental pollution is little, to the producer and user and Environmental security;
3. with water matrix, aboundresources, product cost is low, easily packing;
4. pyrrole aphid ketone had protective effect;
5. after the said preparation spraying, be distributed in crop surface with fine particle, thus " instantaneous " concentration height of insect's food-taking, good disinsection effect;
6. preventive effect is better after adding bleeding agent.
Embodiment
Embodiment 1 25% pymetrozine suspension agent
Each constituent content (by weight) is the former powder 25% of pyrrole aphid ketone, dispersant sodium lignin sulfonate 10%, thickener xanthans 2%, stabilizing agent catechol 2%, defoamer silicone oil 1%, bleeding agent organosilicon 2%, antifreeze glycol 3%, it is 6 that the pH regulator agent makes suspending agent pH value in right amount, adds deionized water to 100%.The back ball milling 2～3 hours in ball mill that is mixed makes particle diameter all below 5 μ m.
Embodiment 2 20% pymetrozine suspension agents
Each component is the former powder 20% of pyrrole aphid ketone by weight, dispersant lauryl alcohol polyethylene glycol oxide base ether sodium sulfate 10%, thickener CMC 3%, stabilizing agent butyl glycidyl ether 2.5%, defoamer П-ethyl hexanol 1%, it is 7 that antifreezing agent glycerine 3%, pH regulator agent make suspending agent pH value in right amount, adds deionized water to 100%.The back ball milling 2～3 hours in ball mill that is mixed makes particle diameter all below 5 μ m.
Embodiment 3 10% pymetrozine suspension agents
Each constituent content (by weight) is the former powder 10% of pyrrole aphid ketone, dispersant alkyl naphthalene formaldehyde condensate sulfonates 40%, thickener hydroxyethylcellulose 9%, stabilizing agent chloropropylene oxide 12%, defoamer organosilicon 9%, it is 8 that antifreezing agent propane diols 4%, pH regulator agent make suspending agent pH value in right amount, adds deionized water to 100%.The back ball milling 2～3 hours in ball mill that is mixed makes particle diameter all below 5 μ m.
Embodiment 4 35% pymetrozine suspension agents
Each component is the former powder 35% of pyrrole aphid ketone by weight, dispersant neopelex 10%, poly-second carboxylic esters sodium salt 10%, thickener methylcellulose 1%, stabilizing agent sodium sorbate 2%, defoamer silicone oil 3%, bleeding agent organosilicon 5%, it is 9 that antifreezing agent polyethylene glycol 1%, pH regulator agent make suspending agent pH value in right amount, adds deionized water to 100%.The back ball milling 2～3 hours in ball mill that is mixed makes particle diameter all below 5 μ m.
Embodiment 5 55% pymetrozine suspension agents
Each constituent content (by weight) is the former powder 55% of pyrrole aphid ketone, dispersant alkyl polyoxyethylene ether sulfonate 10%, thickener polyvinyl alcohol 2%, stabilizing agent linseed oil 2%, defoamer hendecanoic acid 1%, bleeding agent organosilicon 9%, antifreezing agent sorbierite 3%, it is 5 that the pH regulator agent makes suspending agent pH value in right amount, adds deionized water to 100%.The back ball milling 2～3 hours in ball mill that is mixed makes particle diameter all below 5 μ m.
Embodiment 6 20% pymetrozine suspension agents
Each component is the former powder 20% of pyrrole aphid ketone by weight, dispersant gathers second carboxylic esters sodium salt 10%, thickener xanthans 3%, stabilizing agent eugenol 12%, defoamer tridecanoic acid 2%, bleeding agent organosilicon 8%, antifreezing agent glycerine 3%, it is 6 that the pH regulator agent makes suspending agent pH value in right amount, adds deionized water to 100%.The back ball milling 2～3 hours in ball mill that is mixed makes particle diameter all below 5 μ m.
Effect experiment
1 material and method
1.1 reagent agent
1.1.1 25% pyrrole aphid ketone WP (being pyrrole aphid ketone wetting powder), gram wins group to be provided
1.1.2 25% pyrrole aphid ketone SC (pymetrozine suspension agent of embodiment 1 gained)
1.2 Treatment Design
1.2.1 25% pyrrole aphid ketone WP is 20g/667m respectively
2
1.2.2 25% pyrrole aphid ketone SC is 20g/667m respectively
2
1.2.3 blank (CK)
1.3 test method
Establish 3 processing altogether, each is handled and repeats sub-district area 60m 3 times
2Local rice field four generations brown planthopper nymph peak period dispenser in 1 age on September 17th, 2006, every 667m
2Press above-mentioned design dosage to water 45kg.Aim at manually evenly complete stool spraying of rice seedling, during dispenser and behind the medicine in the week field keep water layer.
This experimental field rice varieties is for raising the spoke round-grained rice No. 7.During dispenser, field brown planthopper hundred cave worms are measured average 3345, wherein 1 age nymph account for 96.4%.
1.4 investigation method
1.4.1 security survey
Sub-district rice seedling growing state is respectively handled in irregular observation after the dispenser, and the record rice shoot is analyzed the safety of medicament to rice seedling to the reaction or the symptom of chemical damage of medicament.
1.4.2 preventive effect effect research
Investigation insect population radix before the dispenser was respectively looked into one time the residual worm amount in field in 1,3,7,10,15 day behind the medicine.3 samplings in every sub-district, every some company looks into 6 caves, and 18 caves are looked in every sub-district.Calculate control efficiency with the insect population survival rate, computing formula is as follows:
Proofread and correct preventive effect (%)=(check plot insect population survival rate-applying area insect population survival rate) ÷ check plot insect population survival rate * 100
2 medicaments are to the safety of rice seedling
Observe after the dispenser, it is normal that each handles sub-district rice seedling growth, any poisoning situation do not occur.
3 results and analysis
25% pyrrole aphid ketone WP and 25% pyrrole aphid ketone SC are obvious to paddy rice brown planthopper preventive effect effect, all showing aspect quick-acting and the Sustainable Control well, to rice seedling safety.Test data represents that the correction preventive effect of 25% pyrrole aphid ketone SC obviously is better than 25% pyrrole aphid ketone WP (seeing Table 1 in detail).These characteristics with SC (suspending agent) itself are associated, and can reach bigger even covering at the control target behind the suspending agent formulation thin up.Compare WP (wetting powder), the no dust of SC (suspending agent) mixes easily, and suspensibility improves, and degree of wetting also is improved.
Table 1 25% pyrrole aphid ketone WP and 25% pyrrole aphid ketone SC are to paddy rice brown planthopper preventive effect effect
| Handle | Behind the medicine 1 day | Behind the medicine 3 days | Behind the medicine 7 days | Behind the medicine 10 days | Behind the medicine 15 days |
| Preventive effect % | Preventive effect % | Preventive effect % | Preventive effect % | Preventive effect % | |
| 25% pyrrole aphid ketone WP20g/ mu | 75.39 | 81.20 | 83.57 | 84.75 | 85.37 |
| 25% pyrrole aphid ketone SC20g/ mu | 86.46 | 90.35 | 96.68 | 93.86 | 96.52 |
Claims (9)
1, a kind of pymetrozine suspension agent is characterized in that described suspending agent is made up of following components in weight percentage:
Pyrrole aphid ketone 3%～60% defoamer 1%～10%
Dispersant 0.5%～50% antifreezing agent 0.1%～5%
Thickener 0.3～10% bleeding agent 0%～10%
Stabilizing agent 0.01%～20% water 10%～80%
It is 5～9 that the pH value is regulated in the pH regulator agent.
2, suspending agent according to claim 1 is characterized in that described dispersant is selected from sodium lignin sulfonate, the lignin calcium iodate, lauryl alcohol polyethylene glycol oxide base ether sodium sulfate, the alkyl naphthalene formaldehyde condensate sulfonates, neopelex, lauryl sodium sulfate, potassium oleate, enuatrol, alkyl polyoxyethylene ether sulfonate, alkylphenol-polyethenoxy base ether formaldehyde condensation products, alkylphenol-polyethenoxy base ether Nonyl pheno base ether, polyoxyethylene polyoxypropylene base ether block copolymers, draw back powder, poly-second carboxylic esters sodium salt, in dodecyl polyoxyethylene ether phosphate or the alkyl naphthalene formaldehyde condensate sulfonates one or more.
3, suspending agent according to claim 1 is characterized in that described thickener is selected from one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose or the polyvinyl alcohol.
4, suspending agent according to claim 1 is characterized in that described stabilizing agent is selected from one or more in catechol, butyl glycidyl ether, phenyl glycidyl ether, cresyl glycidyl ether, polyethylene glycol diglycidyl ether, chloropropylene oxide, sodium sorbate, Sodium Benzoate, epoxidised soybean oil, linseed oil, quinhydrones, anthraquinone, eugenol, citric acid, hydroxy benzoate or the nipasol.
5, suspending agent according to claim 1 is characterized in that described defoamer is selected from silicone oil, silicone compound, C
10-20Saturated fat acid compounds, C
8-10In aliphatic alcohols compound or the Π-ethyl hexanol one or more.
6, suspending agent according to claim 1 is characterized in that described antifreezing agent is selected from one or more in ethylene glycol, glycerine, propane diols, polyethylene glycol, sorbierite or the urea.
7, suspending agent according to claim 1 is characterized in that described pH regulator agent is selected from one or more in sodium hydroxide, ammoniacal liquor, acetic acid, citric acid or the phosphoric acid.
8, suspending agent according to claim 1 is characterized in that described bleeding agent is an organosilicon.
9, a kind of method for preparing each described suspending agent in the claim 1～8, it is characterized in that pyrrole aphid ketone and dispersant, thickener, stabilizing agent, defoamer, antifreezing agent, bleeding agent, PH conditioning agent and water are mixed in the described ratio of claim 1, ball milling is 2～3 hours in ball mill, makes particle diameter all below the 5 μ m.
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