CN101438700B - Pyrethroid pesticide aqueous emulsion and method for preparing the same - Google Patents
Pyrethroid pesticide aqueous emulsion and method for preparing the same Download PDFInfo
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- CN101438700B CN101438700B CN2009100007156A CN200910000715A CN101438700B CN 101438700 B CN101438700 B CN 101438700B CN 2009100007156 A CN2009100007156 A CN 2009100007156A CN 200910000715 A CN200910000715 A CN 200910000715A CN 101438700 B CN101438700 B CN 101438700B
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- Prior art keywords
- aqueous emulsion
- water
- thickener
- synthetic pyrethroid
- preservative
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- 239000000839 emulsion Substances 0.000 title claims abstract description 37
- 239000002728 pyrethroid Substances 0.000 title claims abstract description 29
- 239000000575 pesticide Substances 0.000 title abstract description 13
- 238000000034 method Methods 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000003921 oil Substances 0.000 claims abstract description 18
- 235000019198 oils Nutrition 0.000 claims abstract description 18
- -1 polyoxyethylene nonyl phenol Polymers 0.000 claims abstract description 15
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 13
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 13
- 239000010452 phosphate Substances 0.000 claims abstract description 13
- 235000015112 vegetable and seed oil Nutrition 0.000 claims abstract description 12
- 239000008158 vegetable oil Substances 0.000 claims abstract description 12
- 239000003755 preservative agent Substances 0.000 claims abstract description 11
- 239000003381 stabilizer Substances 0.000 claims abstract description 11
- 239000002562 thickening agent Substances 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims description 15
- 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 12
- 239000002917 insecticide Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 230000002335 preservative effect Effects 0.000 claims description 10
- 239000005903 Gamma-cyhalothrin Substances 0.000 claims description 9
- ZXQYGBMAQZUVMI-GCMPRSNUSA-N gamma-cyhalothrin Chemical compound CC1(C)[C@@H](\C=C(/Cl)C(F)(F)F)[C@H]1C(=O)O[C@H](C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 ZXQYGBMAQZUVMI-GCMPRSNUSA-N 0.000 claims description 9
- WMGSQTMJHBYJMQ-UHFFFAOYSA-N aluminum;magnesium;silicate Chemical group [Mg+2].[Al+3].[O-][Si]([O-])([O-])[O-] WMGSQTMJHBYJMQ-UHFFFAOYSA-N 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 235000013336 milk Nutrition 0.000 claims description 6
- 239000008267 milk Substances 0.000 claims description 6
- 210000004080 milk Anatomy 0.000 claims description 6
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical group CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 4
- 235000010234 sodium benzoate Nutrition 0.000 claims description 4
- 239000004299 sodium benzoate Substances 0.000 claims description 4
- 235000010199 sorbic acid Nutrition 0.000 claims description 4
- 239000004334 sorbic acid Substances 0.000 claims description 4
- 229940075582 sorbic acid Drugs 0.000 claims description 4
- 229920001285 xanthan gum Polymers 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims 1
- 229920006184 cellulose methylcellulose Polymers 0.000 claims 1
- WSWCOQWTEOXDQX-MQQKCMAXSA-N sorbic acid group Chemical group C(\C=C\C=C\C)(=O)O WSWCOQWTEOXDQX-MQQKCMAXSA-N 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 11
- 239000003960 organic solvent Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 235000013311 vegetables Nutrition 0.000 abstract description 3
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 abstract description 2
- 238000010008 shearing Methods 0.000 abstract 2
- 239000012071 phase Substances 0.000 description 11
- 239000003905 agrochemical Substances 0.000 description 5
- 239000003814 drug Substances 0.000 description 5
- 244000068988 Glycine max Species 0.000 description 4
- 235000010469 Glycine max Nutrition 0.000 description 4
- BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 235000019483 Peanut oil Nutrition 0.000 description 2
- 235000019484 Rapeseed oil Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000312 peanut oil Substances 0.000 description 2
- 230000000361 pesticidal effect Effects 0.000 description 2
- KAATUXNTWXVJKI-NSHGMRRFSA-N (1R)-cis-(alphaS)-cypermethrin Chemical compound CC1(C)[C@@H](C=C(Cl)Cl)[C@H]1C(=O)O[C@H](C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 KAATUXNTWXVJKI-NSHGMRRFSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000005946 Cypermethrin Substances 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- VQXSOUPNOZTNAI-UHFFFAOYSA-N Pyrethrin I Natural products CC(=CC1CC1C(=O)OC2CC(=O)C(=C2C)CC=C/C=C)C VQXSOUPNOZTNAI-UHFFFAOYSA-N 0.000 description 1
- 240000004460 Tanacetum coccineum Species 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- ROVGZAWFACYCSP-MQBLHHJJSA-N [2-methyl-4-oxo-3-[(2z)-penta-2,4-dienyl]cyclopent-2-en-1-yl] (1r,3r)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate Chemical compound CC1(C)[C@H](C=C(C)C)[C@H]1C(=O)OC1C(C)=C(C\C=C/C=C)C(=O)C1 ROVGZAWFACYCSP-MQBLHHJJSA-N 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- OMFRMAHOUUJSGP-IRHGGOMRSA-N bifenthrin Chemical compound C1=CC=C(C=2C=CC=CC=2)C(C)=C1COC(=O)[C@@H]1[C@H](\C=C(/Cl)C(F)(F)F)C1(C)C OMFRMAHOUUJSGP-IRHGGOMRSA-N 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 235000005687 corn oil Nutrition 0.000 description 1
- 239000002285 corn oil Substances 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- KAATUXNTWXVJKI-UHFFFAOYSA-N cypermethrin Chemical compound CC1(C)C(C=C(Cl)Cl)C1C(=O)OC(C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 KAATUXNTWXVJKI-UHFFFAOYSA-N 0.000 description 1
- 229960005424 cypermethrin Drugs 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- OWZREIFADZCYQD-NSHGMRRFSA-N deltamethrin Chemical compound CC1(C)[C@@H](C=C(Br)Br)[C@H]1C(=O)O[C@H](C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 OWZREIFADZCYQD-NSHGMRRFSA-N 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 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 description 1
- 231100000567 intoxicating Toxicity 0.000 description 1
- 230000002673 intoxicating effect Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000004530 micro-emulsion Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- HYJYGLGUBUDSLJ-UHFFFAOYSA-N pyrethrin Natural products CCC(=O)OC1CC(=C)C2CC3OC3(C)C2C2OC(=O)C(=C)C12 HYJYGLGUBUDSLJ-UHFFFAOYSA-N 0.000 description 1
- VJFUPGQZSXIULQ-XIGJTORUSA-N pyrethrin II Chemical compound CC1(C)[C@H](/C=C(\C)C(=O)OC)[C@H]1C(=O)O[C@@H]1C(C)=C(C\C=C/C=C)C(=O)C1 VJFUPGQZSXIULQ-XIGJTORUSA-N 0.000 description 1
- 229940015367 pyrethrum Drugs 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000006273 synthetic pesticide Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a synthetic pyrethroid type pesticide aqueous emulsion. Synthetic pyrethroid, vegetable oil, phosphate polyoxyethylene nonyl phenol, stabilizer, antifreezer, thickener, preservative agent and water are mixed, the shearing at high speed is carried out by using a high-shearing emulsion machine, and then the oil phase and the water phase are fully mixed into even milky milk-shaped even and stable aqueous emulsion. The pesticide aqueous emulsion utilizes the vegetable oil as the solvent of the technical grade of the synthetic pyrethroid, therefore, compared with the chemical organic solvent, the pesticide aqueous emulsion is more natural, is easier to be decomposed and more environmental-friendly, has low burning point, is non-toxic and safer, and is particularly suitable for the green nuisance-free vegetable production.
Description
Technical field
The invention belongs to pesticide production technology field, particularly relate to a kind of aqueous emulsion of synthetic pyrethroid insecticide and preparation method.
Background technology
At present existing a lot of tame plant produced are the insecticide pesticide of primary raw material with the pyrethroid pesticide, and such agricultural chemicals is a synthetic pesticide of imitating the pyrethrum chemical constitution.Be a kind of broad spectrum pesticide, to people's low toxicity, belong to never poison, effect has the better prevention effect to the various pests on wheat, cotton, vegetables, fruit, the Soybean and Other Crops rapidly.Such pesticidal preparations has missible oil, aqueous emulsion, wetting powder etc.The green water base chemical preparation of agricultural chemicals is the focus of at present domestic and international preparation research and the inexorable trend of pesticidal preparations development as microemulsion and aqueous emulsion, and still, cream preparation and water base chemical preparation mainly still adopt chemical organic solvent preparation at present.The use of a large amount of chemical organic solvents makes in production, storing and use, and chemical organic solvent is absorbed by the body, thereby easily intoxicating phenomenon takes place, detonation or to doing the deposits yields poisoning, has potential safety hazard.Particularly in long-term use, normally used agricultural chemicals, nearly 70% all has been lost to field soil or a large amount of organic solvents evaporate in the atmosphere, and environment has been caused serious secondary pollution.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of aqueous emulsion of synthetic pyrethroid insecticide is provided, and this agricultural chemicals does not use chemical organic solvent, reduces environmental pollution, meet the requirement that green agriculture is produced, and have good stability, antifreeze, anticorrosion, desinsection is renderd a service advantages such as remarkable.
Another object of the present invention also is to provide a kind of preparation method of this aqueous emulsion of synthetic pyrethroid insecticide.
Realization the present invention seeks to be achieved through the following technical solutions: a kind of aqueous emulsion of synthetic pyrethroid insecticide, it is made by the raw material of following weight ratio: the water of pyrethroid 2.5～15%, vegetable oil 15～40%, polyoxyethylene nonylphenol ether phosphate 8～15%, stabilizing agent 0～3%, antifreezing agent 0～2%, thickener 0～2%, preservative 0～0.1%, surplus.
The part by weight of each raw material of optimization formula of the present invention is: the water of pyrethroid 5～10%, vegetable oil 20～30%, polyoxyethylene nonylphenol ether phosphate 10～13%, stabilizing agent 0.5～2%, antifreezing agent 0.5～1.6%, thickener 0.5～1%, preservative 0.1%, surplus.
Described pyrethroid pesticide comprises all pyrethrin pesticides such as gamma cyhalothrin, beta-cypermethrin, cypermethrin, decis, Biphenthrin, preferred mass mark of the present invention is 5% gamma cyhalothrin, and it is the toxic component of pesticide of the present invention.
Described vegetable oil is natural organic cosolvent, and it can be soya-bean oil, peanut oil, rapeseed oil, corn oil, castor oil or two or more mixture in them; Described polyoxyethylene nonylphenol ether phosphate is as the surfactant of this pesticide emulsion in water, and it is more suitable for being used with vegetable oil.
Described stabilizing agent, antifreezing agent, preservative and thickener are the adjuvants of agricultural chemicals of the present invention, the preferred aluminium-magnesium silicate of stabilizing agent wherein, the preferred propane diols of antifreezing agent, preferred sorbic acid of preservative and/or Sodium Benzoate, thickener preferably polyethylene alcohol, xanthans, CMC or two or more mixture in them.
The preparation method of aqueous emulsion of synthetic pyrethroid insecticide of the present invention comprises the steps:
(a) in proportion with fully stirring in pyrethroid, vegetable oil and the polyoxyethylene nonylphenol ether phosphate adding reactor, dissolve fully until pyrethroid;
(b) it is even in proportion stabilizing agent, antifreezing agent, thickener, preservative to be added to deionized water for stirring, and this aqueous solution is joined in step (a) the oil phase reactor;
(c) open the pipeline high-shear emulsion machine and carried out high speed shear 40～60 minutes, till oil phase and water fully are mixed into even milky milk shape liquid, make uniform and stable aqueous emulsion.
The present invention has the following advantages:
(1) use chemical organic solvent to dissolve the former medicine of pyrethroid in the water-emulsion preparation of prior art usually, the aqueous emulsion of synthetic pyrethroid insecticide of the present invention's preparation does not use chemical organic solvent, has effectively reduced environmental pollution.Vegetable oil is as the solvent of the former medicine of pyrethroid, and is more natural than chemical organic solvent, easier decomposition, and low-residual, more environmental protection, burning-point is low, and is nontoxic, safer, especially is fit to the green non-pollution vegetables and produces.
(2) select the surfactant of polyoxyethylene nonylphenol ether phosphate as water-emulsion preparation of the present invention for use, it is more suitable for being used with vegetable oil.
(3) added stabilizing agent, antifreezing agent, thickener and the preservative of an amount of ratio in the water emulsion formula of the present invention, can make its long-term storage, quality is more stable, is difficult for layering, is difficult for putrid and deteriorated.
(4) used the pipeline high-shear emulsion machine to carry out high speed shear in the method for the present invention, injected energy in the system to the compositions such as oil phase, water and surfactant in the prescription, improved pesticide active ingredient pyrethroid and the dispersity of other auxiliary agent in emulsion, be uniformly dispersed, stability is high.
Embodiment
Embodiment 1:(a) get gamma cyhalothrin 50kg, rapeseed oil 180kg, polyoxyethylene nonylphenol ether phosphate 100kg adds in the reactor and fully stirs, and dissolves fully until pyrethroid; (b) getting aluminium-magnesium silicate 10kg, propane diols 10kg, CMC 10kg, sorbic acid 0.5kg, to be added to the 640kg deionized water for stirring even, and this aqueous solution is joined in step (a) the oil phase reactor; (c) open the pipeline high-shear emulsion machine and carried out high speed shear 50 minutes, till oil phase and water fully are mixed into even milky milk shape liquid, make one ton of 5% uniform and stable aqueous emulsion.
Embodiment 2:(a) get the former medicine 80kg of gamma cyhalothrin, soya-bean oil 200kg, polyoxyethylene nonylphenol ether phosphate 120kg adds in the reactor and fully stirs, and dissolves fully until pyrethroid; (b) getting aluminium-magnesium silicate 20kg, propane diols 10kg, polyvinyl alcohol 5kg, sorbic acid 1kg, to be added to the 564kg deionized water for stirring even, and this aqueous solution is joined in step (a) the oil phase reactor; (c) open the pipeline high-shear emulsion machine and carried out high speed shear 60 minutes, till oil phase and water fully are mixed into even milky milk shape liquid, make uniform and stable aqueous emulsion.
Embodiment 3:(a) get the former medicine 40kg of gamma cyhalothrin, peanut oil 240kg, polyoxyethylene nonylphenol ether phosphate 100kg adds in the reactor and fully stirs, and dissolves fully until pyrethroid; (b) getting aluminium-magnesium silicate 8kg, propane diols 8kg, xanthans 8kg, Sodium Benzoate 1kg, to be added to the 595kg deionized water for stirring even, and this aqueous solution is joined in step (a) the oil phase reactor; (c) open the pipeline high-shear emulsion machine and carried out high speed shear 40 minutes, till oil phase and water fully are mixed into even milky milk shape liquid, make uniform and stable aqueous emulsion.
Embodiment 4:(a) get the former medicine 120kg of gamma cyhalothrin, soya-bean oil 300kg, polyoxyethylene nonylphenol ether phosphate 140kg adds in the reactor and fully stirs, and dissolves fully until pyrethroid; (b) getting aluminium-magnesium silicate 15kg, propane diols 12kg, xanthans 8kg, Sodium Benzoate 1kg, to be added to the 404kg deionized water for stirring even, and this aqueous solution is joined in step (a) the oil phase reactor; (c) open the pipeline high-shear emulsion machine and carried out high speed shear 60 minutes, till oil phase and water fully are mixed into even milky milk shape liquid, make uniform and stable aqueous emulsion.
Claims (4)
1. aqueous emulsion of synthetic pyrethroid insecticide, it is characterized in that: it is made by the raw material of following weight ratio: the water of gamma cyhalothrin 2.5～15%, vegetable oil 15～40%, polyoxyethylene nonylphenol ether phosphate 8～15%, stabilizing agent 0～3%, antifreezing agent 0～2%, thickener 0～2%, preservative 0～0.1%, surplus.
2. according to the described aqueous emulsion of synthetic pyrethroid insecticide of claim 1, wherein the part by weight of each raw material is: the water of gamma cyhalothrin 5～10%, vegetable oil 20～30%, polyoxyethylene nonylphenol ether phosphate 10～13%, stabilizing agent 0.5～2%, antifreezing agent 0.5～1.6%, thickener 0.5～1%, preservative 0.1%, surplus.
3. according to claim 1 or 2 described aqueous emulsion of synthetic pyrethroid insecticide, it is characterized in that: stabilizing agent is an aluminium-magnesium silicate, antifreezing agent is a propane diols, preservative is sorbic acid and/or Sodium Benzoate, and thickener is polyvinyl alcohol, xanthans, CMC or two or more mixture in them.
4. the preparation method of claim 1 or 2 described aqueous emulsion of synthetic pyrethroid insecticide, it comprises the steps:
(a) in proportion with fully stirring in gamma cyhalothrin, vegetable oil and the polyoxyethylene nonylphenol ether phosphate adding reactor, dissolve fully until pyrethroid;
(b) it is even in proportion stabilizing agent, antifreezing agent, thickener, preservative to be added to deionized water for stirring, and this aqueous solution is joined in step (a) the oil phase reactor;
(c) open the pipeline high-shear emulsion machine and carried out high speed shear 40～60 minutes, till oil phase and water fully are mixed into even milky milk shape liquid, make uniform and stable aqueous emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100007156A CN101438700B (en) | 2009-01-08 | 2009-01-08 | Pyrethroid pesticide aqueous emulsion and method for preparing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100007156A CN101438700B (en) | 2009-01-08 | 2009-01-08 | Pyrethroid pesticide aqueous emulsion and method for preparing the same |
Publications (2)
| Publication Number | Publication Date |
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| CN101438700A CN101438700A (en) | 2009-05-27 |
| CN101438700B true CN101438700B (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100007156A Expired - Fee Related CN101438700B (en) | 2009-01-08 | 2009-01-08 | Pyrethroid pesticide aqueous emulsion and method for preparing the same |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984810B (en) * | 2010-07-22 | 2012-11-21 | 福建诺德生物科技有限责任公司 | Aqueous emulsion preparation using rosin-based vegetable oil as solvent and preparation method thereof |
| CN105638660A (en) * | 2015-12-20 | 2016-06-08 | 广东中迅农科股份有限公司 | Pesticide emulsion in water and preparation process thereof |
| CN105557688A (en) * | 2016-01-22 | 2016-05-11 | 河北天发化工科技有限公司 | Cyhalothrin emulsion in water and preparing method thereof |
| CN112219857A (en) * | 2020-10-28 | 2021-01-15 | 泰兴市新宏阳化工有限公司 | Cyhalothrin aqueous emulsion and low-energy emulsification preparation method thereof |
| CN114145315A (en) * | 2021-12-29 | 2022-03-08 | 成都绿金生物科技有限责任公司 | Pyrethrum extract emulsion in water and preparation method thereof |
| CN115644191B (en) * | 2022-07-09 | 2024-04-30 | 浙江工业大学 | Preparation method of bifenthrin emulsion |
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| CN1628521A (en) * | 2004-10-22 | 2005-06-22 | 商春光 | Highly effective cyhalothrin insecticidal composite agent for crops |
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- 2009-01-08 CN CN2009100007156A patent/CN101438700B/en not_active Expired - Fee Related
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| CN101438700A (en) | 2009-05-27 |
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