CN105685023A - Beta-cypermethrin-containing aromatic-free emulsifiable concentrate and preparation method thereof - Google Patents
Beta-cypermethrin-containing aromatic-free emulsifiable concentrate and preparation method thereof Download PDFInfo
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- CN105685023A CN105685023A CN201610092419.3A CN201610092419A CN105685023A CN 105685023 A CN105685023 A CN 105685023A CN 201610092419 A CN201610092419 A CN 201610092419A CN 105685023 A CN105685023 A CN 105685023A
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- Prior art keywords
- effective cypermethrin
- aromatic hydrocarbons
- methyl oleate
- cypermethrin
- emulsifying agent
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Zoology (AREA)
- Plant Pathology (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Medicinal Preparation (AREA)
- Cosmetics (AREA)
Abstract
The invention discloses a beta-cypermethrin-containing aromatic-free emulsifiable concentrate and a preparation method thereof. The beta-cypermethrin-containing aromatic-free emulsifiable concentrate is prepared from, by weight, 2.5-10% of beta-cypermethrin, 5-20% of emulsifying agent and the balance methyl oleate. The beta-cypermethrin-containing aromatic-free emulsifiable concentrate and the preparation method thereof have the advantages that after the methyl oleate and the emulsifying agent are mixed, the beta-cypermethrin can be well dissolved, and accordingly the obtained emulsifiable concentrate is high in stability and dispersity; the methyl oleate substitutes for benzene-series solvents in the emulsifiable concentrate, so that consumption of the solvents such as benzene, methylbenzene and dimethylbenzene in the emulsifiable concentrate is reduced, and harm of the benzene-series solvents to the environment and human health is reduced; the methyl oleate is wide in source and low in cost, so that cost of the emulsifiable concentrate is lowered.
Description
Technical field
The present invention relates to emulsifiable concentrates for agricultural chemicals field, particularly relate to a kind of effective cypermethrin without aromatic hydrocarbons cream and preparation method thereof。
Background technology
Current farm chemical emulsion preparation is the formulations of pesticide that China is traditional, accounts for 40% in various dosage forms, and in annual production more than in 19 kinds of pesticidal preparations products of 5 kilotons, having 11 kinds of Pesticidal products is cream dosage form, accounts for the 60% of sum。The primary solvent used in emulsifiable concentrates for agricultural chemicals is benzene,toluene,xylene, but a large amount of use of benzene, toluene and dimethylbenzene creates many problems, such as benzene, toluene and dimethylbenzene are irritant to skin, mucosa, central nervous system is had anesthetic action, sucks higher concentration in the short time and may occur in which the obvious stimulation symptom of eyes and upper respiratory tract；And often in contact with the synthesis of human deoxyribonucleic acid can be suppressed, cause chromosome mutation, destroy hemopoietic system, leukemogenesis；Benzene, toluene and dimethylbenzene dissolubility in water is little, therefore floating or be distributed in the water surface in oily, causes Fish and other aquatile dead。Additionally, toluene and dimethylbenzene also have stronger volatility and inflammability, in transport and use procedure thereof, there is bigger potential safety hazard。
But at present make the cream preparation of solvent with toluene, dimethylbenzene to be still widely used, this is mainly such cream preparation and is better than other preparation in drug effect, such as wettable powder etc., therefore some special insects are being prevented and treated, such as the aspect such as coccid, aleyrodid is better than other dosage form, and it is becoming present aspect also superior to dosage forms such as water dispersible granules, therefore cream or the formulations of pesticide that China commonly uses at present。Therefore, research and development substitute the hypotoxicity of benzene in cream, toluene and dimethylbenzene, the solvent that environmental hazard is little is very urgent。
Methyl oleate, has another name called octadecenic acid methyl ester, for pale yellow transparent oily liquids, can be miscible in water with dehydrated alcohol, ethanol, and these product are the intermediate of detergent, emulsifying agent, wetting agent and stabilizer。Methyl oleate is a kind of material that nature is very general, content is higher, it is common to be present in the oil substances in plant seed such as Semen Sesami, Semen Brassicae campestris, Semen arachidis hypogaeae, Semen Maydis, camellia oleosa seed, Semen Glycines etc., is also one of the main component of some Animal fat class materials。Methyl oleate can also have methanol and oleic acid to obtain through esterification, its method is: by oleic acid and methanol mixed, add catalyst concentrated sulphuric acid or p-methyl benzenesulfonic acid, it is heated to reflux 10h, cooling, being neutralized to pH value with Feldalat NM is 8 ~ 9, washes with water to neutrality, carry out decompression distillation after drying through anhydrous calcium chloride, obtain methyl oleate。Owing to methyl oleate source is wide, nontoxic and environmental hazard is little, it is substitute the ideal solvent of benzene, toluene and dimethylbenzene in cream。
But when adopting methyl oleate to replace the benzene in cream, toluene and dimethylbenzene, the emulsifying agent of different former pharmacopoeia apoplexy due to endogenous wind cream preparations is not suitable for methyl oleate, it is necessary to research and development are applicable to the emulsifying agent of methyl oleate。
Summary of the invention
It is an object of the invention to provide a kind of originate wide, nontoxic and to the little effective cypermethrin of environmental hazard without aromatic hydrocarbons cream。
Further object is that the preparation method providing effective cypermethrin without aromatic hydrocarbons cream。
The above-mentioned purpose of the present invention is achieved through the following technical solutions:
A kind of effective cypermethrin, without aromatic hydrocarbons cream, is got the raw materials ready by following percentage by weight:
Effective cypermethrin 2.5% ~ 10%,
Emulsifying agent 5% ~ 20%,
Methyl oleate polishing。
Preferably, described emulsifying agent percentage by weight is 10%。
Preferably, described methyl oleate percentage by weight is 88.2%。
In order to better dissolve former medicine, described emulsifying agent is one or more in farm chemical emulgent, emulsification agent and diesel oil emulsifier。
Preferably, described farm chemical emulgent include 100#, 500#, 1601,1602, OP-7, OP-10,600,600-1,600-2,600-3, BY-110, BY-112, BY-120, BY-130, BY-140,400,403。
Preferably, described emulsifying agent be farm chemical emulgent monomer 100#, 500#, 1601, OP-7, OP-10, emulsification agent mixture。
Preferably, described emulsification agent is formed by multiple the moon/nonionic surfactant and additive compound。
Described effective cypermethrin, without aromatic hydrocarbons cream, is prepared according to the following steps:
(1) emulsifying agent is added in appropriate methyl oleate, mix homogeneously；
(2) former for effective cypermethrin medicine is added in the solution of step (1) gained, mix homogeneously；
(3) remaining methyl oleate is added in the solution of step (2) gained, mix homogeneously, obtain effective cypermethrin without aromatic hydrocarbons cream。
Beneficial effects of the present invention: after the methyl oleate in the present invention mixes with emulsifying agent, it is possible to dissolve the former medicine of effective cypermethrin well, and the cream obtained has good stability and dispersibility；The present invention adopts methyl oleate to be substituted into the benzene-series solvent in oil, thus decreasing the consumption that makes of benzene in cream, toluene and dimethylbenzene equal solvent, and decreases the harm that environment and human health are caused by benzene-series solvent；And methyl oleate wide material sources, cost are low, thus reducing the cost of cream。
Detailed description of the invention
For describing the technology contents of the present invention in detail, realizing target effect, it is explained in detail below in conjunction with embodiment。
Embodiment 1
The present embodiment provides a kind of effective cypermethrin without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Effective cypermethrin 2.5%,
Emulsifying agent 5%,
Methyl oleate polishing。
The effective cypermethrin of the present embodiment, without aromatic hydrocarbons cream, is prepared according to the following steps:
(1) emulsifying agent is added in appropriate methyl oleate, mix homogeneously；
(2) former for effective cypermethrin medicine is added in the solution of step (1) gained, mix homogeneously；
(3) remaining methyl oleate is added in the solution of step (2) gained, mix homogeneously, obtain effective cypermethrin without aromatic hydrocarbons cream。
Embodiment 2
The present embodiment provides a kind of effective cypermethrin without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Effective cypermethrin 4.5%,
Emulsifying agent 5%,
Methyl oleate polishing。
The effective cypermethrin of the present embodiment without the preparation process of aromatic hydrocarbons cream with embodiment 1。
Embodiment 3
The present embodiment provides a kind of effective cypermethrin without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Effective cypermethrin 10%,
Emulsifying agent 5%,
Methyl oleate polishing。
The effective cypermethrin of the present embodiment without the preparation process of aromatic hydrocarbons cream with embodiment 1。
Embodiment 4
The present embodiment provides a kind of effective cypermethrin without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Effective cypermethrin 2.5%,
Emulsifying agent 10%,
Methyl oleate polishing。
The effective cypermethrin of the present embodiment without the preparation process of aromatic hydrocarbons cream with embodiment 1。
Embodiment 5
The present embodiment provides a kind of effective cypermethrin without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Effective cypermethrin 4.5%,
Emulsifying agent 10%,
Methyl oleate polishing。
The effective cypermethrin of the present embodiment without the preparation process of aromatic hydrocarbons cream with embodiment 1。
Embodiment 6
The present embodiment provides a kind of effective cypermethrin without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Effective cypermethrin 10%,
Emulsifying agent 10%,
Methyl oleate polishing。
The effective cypermethrin of the present embodiment without the preparation process of aromatic hydrocarbons cream with embodiment 1。
Embodiment 7
The present embodiment provides a kind of effective cypermethrin without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Effective cypermethrin 2.5%,
Emulsifying agent 15%,
Methyl oleate polishing。
The effective cypermethrin of the present embodiment without the preparation process of aromatic hydrocarbons cream with embodiment 1。
Embodiment 8
The present embodiment provides a kind of effective cypermethrin without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Effective cypermethrin 4.5%,
Emulsifying agent 15%,
Methyl oleate polishing。
The effective cypermethrin of the present embodiment without the preparation process of aromatic hydrocarbons cream with embodiment 1。
Embodiment 9
The present embodiment provides a kind of effective cypermethrin without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Effective cypermethrin 10%,
Emulsifying agent 15%,
Methyl oleate polishing。
The effective cypermethrin of the present embodiment without the preparation process of aromatic hydrocarbons cream with embodiment 1。
Embodiment 10
The present embodiment provides a kind of effective cypermethrin without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Effective cypermethrin 2.5%,
Emulsifying agent 20%,
Methyl oleate polishing。
The effective cypermethrin of the present embodiment without the preparation process of aromatic hydrocarbons cream with embodiment 1。
Embodiment 11
The present embodiment provides a kind of effective cypermethrin without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Effective cypermethrin 4.5%,
Emulsifying agent 20%,
Methyl oleate polishing。
The effective cypermethrin of the present embodiment without the preparation process of aromatic hydrocarbons cream with embodiment 1。
Embodiment 12
The present embodiment provides a kind of effective cypermethrin without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Effective cypermethrin 10%,
Emulsifying agent 20%,
Methyl oleate polishing。
The effective cypermethrin of the present embodiment without the preparation process of aromatic hydrocarbons cream with embodiment 1。
In embodiment 1 to embodiment 12, described emulsifying agent is one or more in farm chemical emulgent, emulsification agent and diesel oil emulsifier, described farm chemical emulgent include 100#, 500#, 1601,1602, OP-7, OP-10,600,600-1,600-2,600-3, BY-110, BY-112, BY-120, BY-130, BY-140,400,403。
Preferably, described emulsifying agent be farm chemical emulgent monomer 100#, 500#, 1601, OP-7, OP-10, emulsification agent mixture, this emulsifying agent mixture accounts for better effects if when the percentage by weight of described emulsifiable concentrate formulation is 10%。
Emulsification agent of the present invention is formed by multiple the moon/nonionic surfactant and additive compound, for weak yellow liquid, soluble in water, in acid, alkali, oxidant all very stable, there is the functions such as emulsifying, dispersion, removing oil, decontamination, animals and plants and mineral greasy dirt cleansing power are very strong, it is widely used in all kinds of cleaning industry, such as ink cleaning, engine washing, die casting cleaning etc.。
Methyl oleate of the present invention accounts for the percentage by weight of emulsifiable concentrate formulation preferably 88.2%。
After methyl oleate in the present invention mixes with mentioned emulsifier, the former medicine of effective cypermethrin can be dissolved well, and the cream obtained has good stability and dispersibility, thus decreasing the consumption that makes of benzene in cream, toluene and dimethylbenzene equal solvent, and decrease the harm that environment and human health are caused by benzene-series solvent。
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent transformation utilizing description of the present invention to make, or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention。
Claims (8)
1. an effective cypermethrin is without aromatic hydrocarbons cream, it is characterised in that get the raw materials ready by following percentage by weight:
Effective cypermethrin 2.5% ~ 10%,
Emulsifying agent 5% ~ 20%,
Methyl oleate polishing。
2. effective cypermethrin according to claim 1 is without aromatic hydrocarbons cream, it is characterised in that described emulsifying agent optimum weight percentage ratio is 10%。
3. effective cypermethrin according to claim 1 is without aromatic hydrocarbons cream, it is characterised in that described methyl oleate optimum weight percentage ratio is 88.2%。
4. effective cypermethrin according to claim 1 is without aromatic hydrocarbons cream, it is characterised in that described emulsifying agent is one or more in farm chemical emulgent, emulsification agent and diesel oil emulsifier。
5. effective cypermethrin according to claim 4 is without aromatic hydrocarbons cream, it is characterized in that, described farm chemical emulgent include 100#, 500#, 1601,1602, OP-7, OP-10,600,600-1,600-2,600-3, BY-110, BY-112, BY-120, BY-130, BY-140,400,403。
6. effective cypermethrin according to claim 4 is without aromatic hydrocarbons cream, it is characterised in that described emulsifying agent be farm chemical emulgent monomer 100#, 500#, 1601, OP-7, OP-10, emulsification agent mixture。
7. effective cypermethrin according to claim 4 is without aromatic hydrocarbons cream, it is characterised in that described emulsification agent is formed by multiple the moon/nonionic surfactant and additive compound。
8. the effective cypermethrin according to claim 1 to 7 any one is without the preparation method of aromatic hydrocarbons cream, it is characterised in that be prepared according to the following steps:
Emulsifying agent is added in appropriate methyl oleate, mix homogeneously；
Former for effective cypermethrin medicine is added in the solution of step (1) gained, mix homogeneously；
Remaining methyl oleate is added in the solution of step (2) gained, mix homogeneously, obtain effective cypermethrin without aromatic hydrocarbons cream。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610092419.3A CN105685023A (en) | 2016-02-19 | 2016-02-19 | Beta-cypermethrin-containing aromatic-free emulsifiable concentrate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610092419.3A CN105685023A (en) | 2016-02-19 | 2016-02-19 | Beta-cypermethrin-containing aromatic-free emulsifiable concentrate and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105685023A true CN105685023A (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610092419.3A Pending CN105685023A (en) | 2016-02-19 | 2016-02-19 | Beta-cypermethrin-containing aromatic-free emulsifiable concentrate and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297685A (en) * | 1999-11-26 | 2001-06-06 | 王海玉 | Pesticide composition of diesel oil and pyrethrin |
| CN1742580A (en) * | 2005-09-23 | 2006-03-08 | 四川省化学工业研究设计院 | Sulfur-phosphor built insext-killing mite-killing agent |
| CN101011060A (en) * | 2007-02-12 | 2007-08-08 | 中国农业大学 | Pesticide composition comprising highly effective cypermethrin and hexaflumuron |
| CN104823969A (en) * | 2015-05-28 | 2015-08-12 | 苏州丰倍生物科技有限公司 | Development and application of fatty acid methyl ester serving as environment-friendly solvent in pesticide preparations |
-
2016
- 2016-02-19 CN CN201610092419.3A patent/CN105685023A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297685A (en) * | 1999-11-26 | 2001-06-06 | 王海玉 | Pesticide composition of diesel oil and pyrethrin |
| CN1742580A (en) * | 2005-09-23 | 2006-03-08 | 四川省化学工业研究设计院 | Sulfur-phosphor built insext-killing mite-killing agent |
| CN101011060A (en) * | 2007-02-12 | 2007-08-08 | 中国农业大学 | Pesticide composition comprising highly effective cypermethrin and hexaflumuron |
| CN104823969A (en) * | 2015-05-28 | 2015-08-12 | 苏州丰倍生物科技有限公司 | Development and application of fatty acid methyl ester serving as environment-friendly solvent in pesticide preparations |
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Application publication date: 20160622 |