CN1273023C - Preparation process of broad-spectrum biological pesticide - Google Patents
Preparation process of broad-spectrum biological pesticide Download PDFInfo
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- CN1273023C CN1273023C CN 01128980 CN01128980A CN1273023C CN 1273023 C CN1273023 C CN 1273023C CN 01128980 CN01128980 CN 01128980 CN 01128980 A CN01128980 A CN 01128980A CN 1273023 C CN1273023 C CN 1273023C
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- biological pesticide
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Abstract
The present invention relates to technology for preparing a broad-spectrum biological insecticidal agent. The present invention is characterized in that camptotheca acuminata and euphorbiae fischerianae are used as raw material, and one or a mixture of alcohol, methyl alcohol, propanol, propanediol, normal butyl alcohol, acetone and isopropanone is used as a solvent; the raw material and the solvent are extracted, filtered, concentrated and ground to prepare the broad-spectrum biological insecticidal agent; the weight ratio of the camptotheca acuminata to euphorbiae fischerianae is 1: 4 to 9, the weight of the solvent is six to twenty times of the weight of the raw material, extraction temperature is 60 DEG C to 85 DEG C, and time is two tot eight hours. The present invention has the characteristics of high efficiency, broad spectrum, no residue, easy obtainment of the raw material, low cost, simple technology, etc.
Description
The invention belongs to the agricultural chemicals preparation field, specifically is a kind of preparation technology of biological pesticide.
Produce " pesticide hazards " owing to chemical pesticide has caused serious environmental to pollute, and destroyed the natural equilibrium of the ecosystem, therefore, biopesticide has become the choice drug of prevention and elimination of disease and pests.In China, more existing botanical biological pesticides are formally registered as nicotine, chinaberry element, fennel artemisin and Tea Saponin etc., and wherein a part enters the stage of industrialization trial production.But the insecticidal effect of above-mentioned biopesticide is also not really desirable, and insecticidal spectrum is relative narrower also.
The objective of the invention is to overcome the defective of prior art, for the public provides the preparation technology of the biological pesticide of a kind of efficient, wide spectrum, noresidue, raw materials used being easy to get, with low cost, technology is simple.
The objective of the invention is to realize by following proposal.
Technical scheme of the present invention is: with the camplotheca acuminata and the root of langdu is raw material, with a kind of in ethanol, methyl alcohol, propyl alcohol, propane diols, n-butanol, acetone, the isopropyl acetone or their mixture is solvent, through extract, filter, concentrate, grinding technics produces biological broad spectrum insecticide, wherein, camplotheca acuminata: the weight ratio of the root of langdu is 1: 4～9, quantity of solvent is 6～20 times of weight of material quantity, and extracting temperature is 60～85 ℃, and the time is 2～8 hours.
In the such scheme, also nonionic can be added in the concentrate or/and a kind of or its compound, amphoteric surfactant, quaternary surfactant, the amino acid surfactant in the anionic surfactant, its addition is 1～15% of a concentrate gross weight, and wherein the ratio of compound is an anion surfactant: the weight ratio of non-ionic surface active agent is 1: 0.15～7.5.
In the such scheme, camplotheca acuminata is fruit, rhizome, the bark of camplotheca acuminata.
In the such scheme, the described root of langdu is euphorbia ebiacteolata Hayata, euphorbia fischeriana, Chinese Stellera Root.
In the such scheme, camplotheca acuminata, the root of langdu can be extracted respectively with identical or different solvent during extraction.
In the such scheme, concentrate is 50%～85% of a filtrate.
In the such scheme, be solvent with a kind of in ethanol, methyl alcohol, propyl alcohol, propane diols, n-butanol, acetone, the isopropyl acetone or their mixture respectively at first with camplotheca acuminata, the root of langdu, extracted 2～8 hours down at 60～85 ℃, quantity of solvent is 6～20 times of weight of material quantity, filter, concentrate, add surfactant then and continue to stir 1～2 hour, mill product.
In the such scheme, surfactant is the HLB value at 9～16 non-ionic surface active agent or/and anion surfactant, non-ionic surface active agent is C12～C18 saturated alkoxides APEO, C12～C18 alkylphenol polyoxyethylene, the anhydrous sorbitol APEO, fatty acid polyethylene glycol ester, fatty acid alkyl alcohol amide, anion surfactant is alkylbenzenesulfonate, alkylsulfonate, sulfosuccinic acid C6～C12 Arrcostab, C12～C18 saturated alkyl aliphatic alcohol sulfate, petroleum sulfonate better is their sodium salt and calcium salt.
The present invention has following characteristics:
1, products obtained therefrom have efficiently, broad spectrum activity, can effectively prevent eliminating aphis, snout moth's larva, mqb, locust, mythimna separata, cabbage caterpillar, cotton bollworm etc., the deinsectization effect is more than 98%.
2, products obtained therefrom is applied widely, is applicable to paddy rice, wheat, corn, soybean, cotton, fruit tree, tealeaves, vegetables, tobacco, flowers etc.
3, raw materials used is natural plants, and biological degradation is fast, non agricultural chemical residuum, and to the person poultry harmless, good to environment compatibility, production process is pollution-free, and technology is simple, and is with low cost.
As seen from last, technology of the present invention has overcome the defective of prior art, and a kind of efficient, wide spectrum, noresidue, raw material are easy to get, with low cost, the simple biological broad spectrum insecticide preparation method of technology for the public provides.
Be embodiments of the invention below, the present invention is not limited only to described embodiment.
Embodiment one
Camplotheca acuminata 50g, euphorbia ebiacteolata Hayata 200g are pulverized, extracted 2 hours down at 78 ℃, filter, filtered fluid is concentrated into 85%, be ground to below 2 μ, make broad-spectrum biological pesticide with colloid mill with ethanol 1560g (2000ml).
Embodiment two
Camplotheca acuminata 50g, Chinese Stellera Root 450g are pulverized, extracted 4 hours down at 78 ℃ with ethanol 3100g (4000ml), filter, filtered fluid is concentrated into 70%, add alkyl benzene sulphonate sodium salt 22g, polyoxyethylene octadecanol 3.3g, continue to stir 1 hour, be ground to below 2 μ, make broad-spectrum biological pesticide with colloid mill.
Embodiment three
Camplotheca acuminata 50g, euphorbia fischeriana 250g are pulverized, extracted 8 hours down at 60 ℃ with methyl alcohol 5800g (7500ml), filter, filtered fluid is concentrated into 50%, add petroleum sulfonate 3.5g, anhydrous sorbitol APEO 26.5g, continue to stir 2 hours, be ground to below 2 μ, make broad-spectrum biological pesticide with colloid mill.
Embodiment four
Camplotheca acuminata 50g, euphorbia ebiacteolata Hayata 250g are pulverized, extracted 2 hours down at 85 ℃, filter with n-butanol 2400g (3000ml), filtered fluid is concentrated into 70%, adds fatty acid alkyl alcohol amide 280g, continue to stir 2 hours, be ground to below 2 μ with colloid mill, make broad-spectrum biological pesticide.
Embodiment five
Camplotheca acuminata 50g, Chinese Stellera Root 300g are pulverized, extracted 3 hours down at 80 ℃, filter with propane diols 3500g (4000ml), filtered fluid is concentrated into 75%, adds mersolates 60g, continue to stir 1 hour, be ground to below 2 μ with colloid mill, make broad-spectrum biological pesticide.
Embodiment six
Camplotheca acuminata 50g, Chinese Stellera Root 350g are pulverized, extracted 4 hours down at 70 ℃ with acetone 600g, ethanol 4200g respectively, filter, filtered fluid is concentrated into 75% respectively, be merged together, add dodecyl phenol polyethenoxy ether 10g, anhydrous sorbitol APEO 10g, dodecyl fatty alcohol sulphuric acid sodium salt 20g continues to stir 1 hour, be ground to below 2 μ with colloid mill, make broad-spectrum biological pesticide.
Claims (8)
1, the preparation technology of biological pesticide, it is characterized in that with the camplotheca acuminata and the root of langdu be raw material, mixture with a kind of in ethanol, methyl alcohol, propyl alcohol, propane diols, the n-butanol or a kind of and acetone in them is a solvent, through extract, filter, concentrate, grinding technics produces biological broad spectrum insecticide, wherein, camplotheca acuminata: the weight ratio of the root of langdu is 1: 4～9, and quantity of solvent is 6～20 times of weight of material quantity, extracting temperature is 60～85 ℃, and the time is 2～8 hours.
2, the preparation technology of biological pesticide according to claim 1, it is characterized in that adding in the concentrate a kind of or nonionic surface active agent in nonionic surface active agent, anionic surfactant, amphoteric surfactant, quaternary surfactant, the amino acid surfactant and the compound of anionic surfactant, its addition is 1～15% of a concentrate gross weight, and wherein the ratio of compound is an anion surfactant: the weight ratio of non-ionic surface active agent is 1: 0.15～7.5.
3, the preparation technology of biological pesticide according to claim 1 and 2 is characterized in that camplotheca acuminata is fruit, rhizome or the bark of camplotheca acuminata.
4, the preparation technology of biological pesticide according to claim 1 is characterized in that the described root of langdu is euphorbia ebiacteolata Hayata, euphorbia fischeriana or Chinese Stellera Root.
5, the preparation technology of biological pesticide according to claim 1 and 2 is characterized in that camplotheca acuminata, the root of langdu are extracted respectively with identical or different solvent.
6, the preparation technology of biological pesticide according to claim 1 and 2 is characterized in that concentrate is 50%～85% of a filtrate.
7, the preparation technology of biological pesticide according to claim 1 and 2, it is characterized in that at first with camplotheca acuminata, the root of langdu be solvent with the mixture of a kind of in ethanol, methyl alcohol, propyl alcohol, propane diols, the n-butanol or a kind of and acetone in them respectively, extracted 2～8 hours down at 60～85 ℃, quantity of solvent is 6～20 times of weight of material quantity, filter, concentrate, be merged together, add surfactant then and continue to stir 1～2 hour, mill product.
8, the preparation technology of biological pesticide according to claim 2, it is characterized in that surfactant is the HLB value at 9～16 non-ionic surface active agent or/and anion surfactant, non-ionic surface active agent is C12～C18 saturated alkoxides APEO, C12～C18 alkylphenol polyoxyethylene, the anhydrous sorbitol APEO, fatty acid polyethylene glycol ester, fatty acid alkyl alcohol amide, anion surfactant is an alkylbenzenesulfonate, alkylsulfonate, sulfosuccinic acid C6～C12 Arrcostab, C12～C18 saturated alkyl aliphatic alcohol sulfate, petroleum sulfonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01128980 CN1273023C (en) | 2001-10-19 | 2001-10-19 | Preparation process of broad-spectrum biological pesticide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01128980 CN1273023C (en) | 2001-10-19 | 2001-10-19 | Preparation process of broad-spectrum biological pesticide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1411722A CN1411722A (en) | 2003-04-23 |
| CN1273023C true CN1273023C (en) | 2006-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01128980 Expired - Fee Related CN1273023C (en) | 2001-10-19 | 2001-10-19 | Preparation process of broad-spectrum biological pesticide |
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| Country | Link |
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| CN (1) | CN1273023C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070202062A1 (en) * | 2006-02-10 | 2007-08-30 | Workman Tanya L | Natural deodorant compositions comprising renewably-based, biodegradable 1,3-propanediol |
| CN1843128B (en) * | 2006-05-17 | 2011-05-25 | 浙江林学院 | Method for directly processing pesticide using Camptotheca acuminata |
| CN100421564C (en) * | 2006-07-28 | 2008-10-01 | 浙江林学院 | Pesticide prepn produced with camptotheca material and its use |
| CN105076260A (en) * | 2015-07-20 | 2015-11-25 | 黑龙江东北亚林产品有限公司 | Special plant source insecticide for rice and preparation method for special plant source insecticide for rice |
| CN107027760A (en) * | 2017-04-30 | 2017-08-11 | 陶云霞 | One Plant Extracts are used for the preparation and preparation method for preventing and treating chrysanthemum pest and disease damage |
-
2001
- 2001-10-19 CN CN 01128980 patent/CN1273023C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1411722A (en) | 2003-04-23 |
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Owner name: ZHANG JIEKE Free format text: FORMER OWNER: CAI ZHANGRONG Effective date: 20040430 |
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Effective date of registration: 20040430 Address after: 610072 Sichuan Black Power Industrial Co., Ltd., 78 West Jinli Street Road, Sichuan, Chengdu Applicant after: Zhang Jieke Address before: Sichuan, Chengdu Province, Jinli Street Road, Sichuan province 78 Black Power Industry Co., Ltd. Applicant before: Cai Changrong |
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