CN100574618C - Insecticide of water micellar emulsion of natural pyrethrum element and preparation method - Google Patents
Insecticide of water micellar emulsion of natural pyrethrum element and preparation method Download PDFInfo
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- CN100574618C CN100574618C CN200710065895A CN200710065895A CN100574618C CN 100574618 C CN100574618 C CN 100574618C CN 200710065895 A CN200710065895 A CN 200710065895A CN 200710065895 A CN200710065895 A CN 200710065895A CN 100574618 C CN100574618 C CN 100574618C
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- 240000004460 Tanacetum coccineum Species 0.000 title claims abstract description 48
- 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 title claims abstract description 48
- 229940015367 pyrethrum Drugs 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000000839 emulsion Substances 0.000 title claims abstract description 30
- 239000002917 insecticide Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- VQXSOUPNOZTNAI-UHFFFAOYSA-N Pyrethrin I Natural products CC(=CC1CC1C(=O)OC2CC(=O)C(=C2C)CC=C/C=C)C VQXSOUPNOZTNAI-UHFFFAOYSA-N 0.000 claims abstract description 26
- HYJYGLGUBUDSLJ-UHFFFAOYSA-N pyrethrin Natural products CCC(=O)OC1CC(=C)C2CC3OC3(C)C2C2OC(=O)C(=C)C12 HYJYGLGUBUDSLJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 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 claims abstract description 26
- 239000000126 substance Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 35
- 238000005303 weighing Methods 0.000 claims description 30
- 239000003995 emulsifying agent Substances 0.000 claims description 11
- 239000003963 antioxidant agent Substances 0.000 claims description 9
- 230000003078 antioxidant effect Effects 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000012153 distilled water Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 241000196324 Embryophyta Species 0.000 claims description 7
- 244000178231 Rosmarinus officinalis Species 0.000 claims description 6
- 239000001913 cellulose Substances 0.000 claims description 6
- 229920002678 cellulose Polymers 0.000 claims description 6
- 239000000341 volatile oil Substances 0.000 claims description 6
- PEYUIKBAABKQKQ-AFHBHXEDSA-N (+)-sesamin Chemical compound C1=C2OCOC2=CC([C@H]2OC[C@H]3[C@@H]2CO[C@@H]3C2=CC=C3OCOC3=C2)=C1 PEYUIKBAABKQKQ-AFHBHXEDSA-N 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- PEYUIKBAABKQKQ-UHFFFAOYSA-N epiasarinin Natural products C1=C2OCOC2=CC(C2OCC3C2COC3C2=CC=C3OCOC3=C2)=C1 PEYUIKBAABKQKQ-UHFFFAOYSA-N 0.000 claims description 5
- 229960005235 piperonyl butoxide Drugs 0.000 claims description 4
- VRMHCMWQHAXTOR-CMOCDZPBSA-N sesamin Natural products C1=C2OCOC2=CC([C@@H]2OC[C@@]3(C)[C@H](C=4C=C5OCOC5=CC=4)OC[C@]32C)=C1 VRMHCMWQHAXTOR-CMOCDZPBSA-N 0.000 claims description 4
- 230000000740 bleeding effect Effects 0.000 claims description 3
- 239000004064 cosurfactant Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- FIPWRIJSWJWJAI-UHFFFAOYSA-N Butyl carbitol 6-propylpiperonyl ether Chemical compound C1=C(CCC)C(COCCOCCOCCCC)=CC2=C1OCO2 FIPWRIJSWJWJAI-UHFFFAOYSA-N 0.000 claims description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 239000003381 stabilizer Substances 0.000 claims 1
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 241000238631 Hexapoda Species 0.000 abstract description 9
- 239000003814 drug Substances 0.000 abstract description 6
- 241001465754 Metazoa Species 0.000 abstract description 4
- 241000907661 Pieris rapae Species 0.000 abstract description 4
- 235000013305 food Nutrition 0.000 abstract description 4
- 239000000284 extract Substances 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 abstract description 3
- 239000000575 pesticide Substances 0.000 abstract description 3
- 235000014347 soups Nutrition 0.000 abstract description 3
- 230000001018 virulence Effects 0.000 abstract description 3
- 241001124076 Aphididae Species 0.000 abstract description 2
- 241001675061 Phaedon brassicae Species 0.000 abstract description 2
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- 239000004530 micro-emulsion Substances 0.000 description 10
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- 238000010790 dilution Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- 125000005909 ethyl alcohol group Chemical group 0.000 description 4
- 238000005338 heat storage Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- XMGQYMWWDOXHJM-JTQLQIEISA-N (+)-α-limonene Chemical compound CC(=C)[C@@H]1CCC(C)=CC1 XMGQYMWWDOXHJM-JTQLQIEISA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000003961 organosilicon compounds Chemical class 0.000 description 2
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- 125000004591 piperonyl group Chemical group C(C1=CC=2OCOC2C=C1)* 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000008159 sesame oil Substances 0.000 description 2
- 235000011803 sesame oil Nutrition 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 238000013112 stability test Methods 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- DMAXMXPDVWTIRV-UHFFFAOYSA-N 2-(2-phenylethyl)phenol Chemical compound OC1=CC=CC=C1CCC1=CC=CC=C1 DMAXMXPDVWTIRV-UHFFFAOYSA-N 0.000 description 1
- NFHFNBFYZIJLKZ-UHFFFAOYSA-N Asarinin Natural products CC1(OCC2C1COC2c3ccc4OCOc4c3)c5ccc6OCOc6c5 NFHFNBFYZIJLKZ-UHFFFAOYSA-N 0.000 description 1
- 235000007516 Chrysanthemum Nutrition 0.000 description 1
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- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000255969 Pieris brassicae Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 150000004996 alkyl benzenes Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- XXWNKVBJDWSYBN-UHFFFAOYSA-N diethoxy-phenoxy-sulfanylidene-$l^{5}-phosphane Chemical compound CCOP(=S)(OCC)OC1=CC=CC=C1 XXWNKVBJDWSYBN-UHFFFAOYSA-N 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000000749 insecticidal effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- -1 styryl phenol Chemical compound 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
- Colloid Chemistry (AREA)
Abstract
The present invention is water micellar emulsion of natural pyrethrum element and preparation method.Water micellar emulsion of natural pyrethrum element adopts natural assistant, chemical assistant and water formulated, and outward appearance is faint yellow transparent single-phase liquid.Natural pyrethrum is a kind of broad spectrum pesticide that extracts from pyrethrum flowers, easily decomposes in illumination and air, and is big to agriculture harmful insect virulence, and to warm blooded animal safety, environmentally safe, noresidue.The preparation success of water micellar emulsion of natural pyrethrum element, it is aerial stable to have improved pyrethrin greatly, and has realized the nanorize of emulsion droplet, has improved the control efficiency of medicament and the availability of soup.Water micellar emulsion of natural pyrethrum element is to imported cabbageworm, aphid, and most of agriculture vegetable-crop pest-insects such as daikon leaf beetle have good control efficiency, is a kind of desirable insecticide of producing pollution-free food, pollution-free food, organic food.
Description
Technical field
The present invention relates to insecticide, specifically insecticide of water micellar emulsion of natural pyrethrum element and preparation method.
Background technology
Natural pyrethrum is with a long history as utilizing of insecticide, can be used for domestic hygiene insect and agricultural insect management.Natural pyrethrum is a kind of insecticide that extracts from pyrethrum flowers, easily decomposes in illumination and air, and is big to agriculture harmful insect virulence, and to warm blooded animal safety, environmentally safe, noresidue.In agricultural insect management, natural pyrethrum is many to be occurred with formulations such as pulvis, finish, wetting powder and missible oil.And pyrethrin finish and missible oil chemical organic solvent and the plant resource solvents of adopting more, not only contaminated environment, and waste resource.And, making the Water-borne modification of natural pyrethrum formulation with water preparing natural pyrethrin microemulsion, the nanorize of emulsion droplet not only can economize on resources, and Environmental Safety, minimizing production cost, improves insecticidal effect.Be that base preparing natural pyrethrin microemulsion yet there are no report at present with water.
Summary of the invention
The purpose of this invention is to provide good, the easy degraded of a kind of drug effect, environmentally friendly, be the insecticide of water micellar emulsion of natural pyrethrum element and the preparation method of base to warm blooded animal safety, with water.
Insecticide of water micellar emulsion of natural pyrethrum element of the present invention is prepared with following raw material:
Used natural pyrethrum is the pyrethrin refined oil, preparing per 100 gram microemulsion pyrethrum cellulose contents is the 0.5-6 gram, synergist is the synthetic synergist of plant resource synergist or chemical industry, addition is pyrethrin content 1-5 times, the plant resource synergist is sesamin and citrene, sesamin (Asarinin, [sesamin] C
20H
18O
6) citrene, the synthetic synergist of chemical industry has piperonyl butoxide (PBO, 3,4--methylene-dioxy--6--n-pro-pyl benzyl normal-butyl tirethylene glycol ether, C
19H
30O
5) and synergy phosphorus (SV, O, O-diethyl-O-phenyl thiophosphate, C
10H
15O
3PS); Antioxidant is plant resource antioxidant or chemical industry synthetized oxidation preventive agent, the plant resource antioxidant is a rosemary,, and addition is 2% of a pyrethrum cellulose content, and the chemical industry synthetized oxidation preventive agent is an antioxidant BHT (chemistry by name 2, the 6--di-tert-butyl-4-methy phenol, C
15H
24O), addition is 40% of a pyrethrum cellulose content; Emulsifier is alkyl benzene calcium sulfonate, styryl phenol APEO, phenethyl phenol polyethenoxy polyethenoxy ether compounded surfactant, and addition is the 10-16% of 100 grams; The infiltration spreading agent is silicone based, and as organosilicon 810c, 818 etc., adding people's amount is the 2-10% of 100 grams; Solvent is a distilled water, fills up 100%; Cosurfactant is an absolute ethyl alcohol, and addition is the 4-5% of 100 grams.
The preparation method:
1. take by weighing the pyrethrin essential oil according to quantity and place beaker;
2. synergist is poured in the beaker, fully mixing and stirring;
3. again antioxidant is poured in the beaker, fully mixing and stirring;
4. again bleeding agent is poured in the beaker, fully mixing and stirring;
5. add emulsifier again, fully mixing and stirring;
6, add distilled water again, high-speed stirred is even;
7, add again the absolute ethyl alcohol high-speed stirred reach transparent, get final product water micellar emulsion of natural pyrethrum element.
Above institute all prepares under 30-35 ℃ in steps.When in preparing tank, preparing, follow above step equally, under continuous stirring condition, add each batching one by one.
The present invention's configuration such as the raw materials that adopt natural pyrethrum, synergist, antioxidant, infiltration spreading agent, emulsifier, absolute ethyl alcohol and distilled water water micellar emulsion of natural pyrethrum element of filling a prescription, make with the immiscible pyrethrin of water under the effect of surfactant and cosurfactant, form isotropism, Thermodynamically stable, appearance transparent or translucent, single-phase mobile dispersion.Preparing natural pyrethrin microemulsion has following advantage:
1, makes the Water-borne modification of natural pyrethrum formulation, thereby economize on resources, reduce production costs.
2, water micellar emulsion of natural pyrethrum element is thermodynamically stable system, makes the oxidation Decomposition of pyrethrin controlled, and in 54 ± 2 ℃ of heat two weeks of storage, the pyrethrin resolution ratio is below 3%.
3, the particle of water micellar emulsion of natural pyrethrum element water dilution back micro emulsion makes emulsion droplet reach nanoscale between 10-100nm, is easily absorbed by insect to enter polypide by epidermis, improves the pest control effect; In addition, when forming small particle, its infiltration expansion also increases substantially, thereby has improved the availability of soup.
This natural pyrethrum is a kind of broad spectrum pesticide that extracts from pyrethrum flowers, easily decomposes in illumination and air, and is big to agriculture harmful insect virulence, and to warm blooded animal safety, environmentally safe, noresidue.The preparation success of water micellar emulsion of natural pyrethrum element, it is aerial stable to have improved pyrethrin greatly, and has realized the nanorize of emulsion droplet, has improved the control efficiency of medicament and the availability of soup.Water micellar emulsion of natural pyrethrum element is to imported cabbageworm, aphid, and most of agriculture vegetable-crop pest-insects such as daikon leaf beetle have good control efficiency, is a kind of desirable insecticide of producing pollution-free food, pollution-free food, organic food.
Below be the test situation of 1.5% insecticide of water micellar emulsion of natural pyrethrum element:
1, stability test: prepare 1.5% water micellar emulsion of natural pyrethrum element 50ml, it is airtight to be distributed into two bottles of 25ml, prepare 1.5% natural pyrethrum finish (solvent deodorized kerosine) again and do contrast, stored for two weeks in 50 ± 2 ℃, analyze Dalmatian chrysanthemum content with gas chromatograph before the heat storage, the heat storage was analyzed once in back 7 days, analyzed once in 14 days, calculated the pyrethrin resolution ratio.Computing formula is:
Pyrethrum microemulsion heat storage stability test (table 1)
The heat storage has only 1.53% from the resolution ratio of 1.5% water micellar emulsion of natural pyrethrum element pyrethrin after two weeks, and the resolution ratio comparison is according to reducing greatly, and the formation of visible pyrethrin micro emulsion is stablized the very big effect of having played to pyrethrin.
2, field medicine effect test: for the examination insect is cabbage caterpillar, and 1.5% natural pyrethrum micro emulsion divides 500 times and 1000 times of concentration gradient water dilutions, and each 1 experimental plot of each concentration gradient is established 1 blank sub-district in addition, the spray clear water.Insect population investigation divide before the spray medicine and the spray medicine one day after, three days, seven days borer population alive.Trial crops is that lotus flower is white.Survey data and computing formula are:
1.5% water micellar emulsion of natural pyrethrum element imported cabbageworm (larva) test of pesticide effectiveness (table 2)
Above result of the test shows that 1.5% water micellar emulsion of natural pyrethrum element is converted the water dilution for 500 times, 1000 times the control imported cabbageworm is had fabulous control efficiency, and control efficiency but is converted water dilution control for well with 1000 times all about 95%.Both good control efficiency can be reached, the consumption of medicament can be reduced again.
Embodiment:
Embodiment 1:
Preparation 100 grams 1.5% water micellar emulsion of natural pyrethrum element:
1. take by weighing 3 gram pyrethrin essential oils (pyrethrin content is 50%) and place beaker;
2. take by weighing 10 gram piperonyl butoxides and pour in the beaker, stir;
3. take by weighing 0.6 gram antioxidant BHT and pour in the beaker, stir;
4, take by weighing 2 gram organosilicons 818 and put in the beaker, stir;
5. take by weighing 14 gram composite emulsifiers [Tianjin people's ripple biochemistry Science and Technology Ltd. produces, No. 2, commodity (China) agricultural university by name] and put in the beaker, stir;
6. take by weighing 65 gram distilled water and slowly add in the beaker, stir while adding;
7, take by weighing 5 gram absolute ethyl alcohols again and slowly add in the beaker, stir while adding;
Embodiment 2:
Preparation 100 grams 3% water micellar emulsion of natural pyrethrum element:
1. take by weighing 6 gram pyrethrin essential oils (pyrethrin content is 50%) and place beaker;
2. take by weighing 6 gram sesame oil and pour in the beaker, stir;
3. take by weighing the 0.15 gram smart cream of rosemary, (rosemary, content is 40%) and pour in the beaker, stir;
4, take by weighing 2 gram organosilicon 810c and put in the beaker, stir;
5. take by weighing 16 gram composite emulsifiers (the same) and put in the beaker, stir;
6. take by weighing 64.85 gram distilled water and slowly add in the beaker, stir while adding;
7, take by weighing 5 gram absolute ethyl alcohols again and slowly add in the beaker, stir while adding;
Embodiment 3:
Preparation 100 grams 6% water micellar emulsion of natural pyrethrum element:
1. take by weighing 12 gram pyrethrin essential oils (pyrethrin content is 50%) and place beaker;
2. take by weighing 24 gram piperonyl butoxides and pour in the beaker, stir;
3. take by weighing 4.8 gram antioxidant BHTs and pour in the beaker, stir;
4, take by weighing 4 gram organosilicons 818 and put in the beaker, stir;
5. take by weighing 16 gram composite emulsifiers (the same) and put in the beaker, stir;
6. take by weighing 34.2 gram distilled water and slowly add in the beaker, stir while adding;
7, take by weighing 5 gram absolute ethyl alcohols again and slowly add in the beaker, stir while adding;
Embodiment 4:
Preparation 100 grams 6% natural pyrethrum micro emulsion:
1. take by weighing 12 gram pyrethrin essential oils (pyrethrin content is 50%) and place beaker;
2. take by weighing 24 gram sesame oil and pour in the beaker, stir;
3. take by weighing the 0.15 gram smart cream of rosemary, (rosemary, content is 40%) and pour in the beaker, stir;
4, take by weighing 4 gram organosilicon 810c and put in the beaker, stir;
5. take by weighing 16 gram composite emulsifiers (the same) and put in the beaker, stir;
6. take by weighing 38.85 gram distilled water and slowly add in the beaker, stir while adding;
7, take by weighing 5 gram absolute ethyl alcohols again and slowly add in the beaker, stir while adding;
Embodiment 1, embodiment 2,4 of embodiment 3, embodiment all prepare under 30～35 ℃ in steps.Above step is followed in preparation equally in preparing tank, under continuous stirring condition, adds each batching one by one every 20 minutes.Transparent or semitransparent to micro emulsion.
Claims (2)
1. insecticide of water micellar emulsion of natural pyrethrum element, it is characterized in that making with following materials of weight proportions: the pyrethrum cellulose content is the 0.5-6% of insecticide total amount, the 1-5 that the synthetic synergist piperonyl butoxide of plant resource synergist sesamin or chemical industry is a pyrethrin content doubly, bleeding agent organosilicon 810c or 818 is the 2-10% of insecticide total amount, emulsifier is the 10-16% of insecticide total amount, plant resource stabilizing agent rosemary, is 2% of a pyrethrum cellulose content, perhaps chemical industry synthesizing stable agent 2, the 6-di-tert-butyl-4-methy phenol is 40% of a pyrethrum cellulose content, the cosurfactant absolute ethyl alcohol is the 4-5% of insecticide total amount, water complements to 100%, and wherein emulsifier is the emulsifier of No. 2, the commodity agricultural university by name that produces of Tianjin people's ripple biochemistry Science and Technology Ltd..
2. the preparation method of insecticide of water micellar emulsion of natural pyrethrum element according to claim 1 is characterized in that carrying out according to the following steps:
1. take by weighing the pyrethrin essential oil according to quantity and place beaker;
2. synergist is poured in the beaker, fully mixing and stirring;
3. again antioxidant is poured in the beaker, fully mixing and stirring;
4. again bleeding agent is poured in the beaker, fully mixing and stirring;
5. add emulsifier again, fully mixing and stirring;
6, add distilled water again, high-speed stirred is even;
7, adding the absolute ethyl alcohol high-speed stirred again reaches and transparently can make water micellar emulsion of natural pyrethrum element.
Above institute all prepares under 30-35 ℃ in steps.Above step is followed in preparation equally in preparing tank, under continuous stirring condition, adds each batching one by one.
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| CN200710065895A CN100574618C (en) | 2007-05-22 | 2007-05-22 | Insecticide of water micellar emulsion of natural pyrethrum element and preparation method |
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| CN100574618C true CN100574618C (en) | 2009-12-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961033A (en) * | 2010-10-20 | 2011-02-02 | 华南理工大学 | Flubendiamide and natural pyrethrum compounded insect-killing microemulsion and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341875B (en) * | 2008-08-25 | 2011-06-08 | 严兵 | Water-based natural pyrethrin sanitary insecticide and preparation method thereof |
| CN101965847A (en) * | 2010-09-27 | 2011-02-09 | 红河森菊生物有限责任公司 | Solid preparation for controlling underground insects and preparation method thereof |
| CN101971866B (en) * | 2010-10-20 | 2013-11-13 | 华南理工大学 | Chlorantraniliprole and natural pyrethrin compound insecticidal microemulsion and preparation method thereof |
| CN107950547B (en) * | 2017-11-21 | 2020-12-04 | 河南科技大学 | A kind of composition for preventing and treating crop powdery mildew and application thereof |
| CN107821463A (en) * | 2017-12-05 | 2018-03-23 | 徐州农丰生物化工有限公司 | A kind of pyrethrum element pesticide and preparation method thereof |
| CN108770842A (en) * | 2018-05-31 | 2018-11-09 | 湖北归然生物科技有限公司 | The preparation method of high efficiency high stable 2% pyrethrin and matrine compound microemulsion |
| CN111357744A (en) * | 2020-03-30 | 2020-07-03 | 云南南宝生物科技有限责任公司 | Natural pyrethrum extract composition and preparation method thereof |
| WO2025049502A1 (en) * | 2023-09-01 | 2025-03-06 | S. C. Johnson & Son, Inc. | Single phase water-based insecticide |
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| CN101961033B (en) * | 2010-10-20 | 2013-06-12 | 华南理工大学 | Flubendiamide and natural pyrethrum compounded insect-killing microemulsion and preparation method thereof |
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| CN101049105A (en) | 2007-10-10 |
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