CN105660682A - Chlorpyrifos non-aromatic missible oil and reparation method thereof - Google Patents
Chlorpyrifos non-aromatic missible oil and reparation method thereof Download PDFInfo
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- CN105660682A CN105660682A CN201610092420.6A CN201610092420A CN105660682A CN 105660682 A CN105660682 A CN 105660682A CN 201610092420 A CN201610092420 A CN 201610092420A CN 105660682 A CN105660682 A CN 105660682A
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- Prior art keywords
- chlopyrifos
- aromatic hydrocarbons
- methyl oleate
- hydrocarbons cream
- cream
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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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
- A01N57/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing heterocyclic radicals
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Toxicology (AREA)
- Medicinal Preparation (AREA)
Abstract
The invention discloses a chlorpyrifos non-aromatic missible oil and a reparation method thereof. The chlorpyrifos non-aromatic missible oil is prepared from, by weight, 40%-50% of chlorpyrifos, 5%-20% of an emulgator and the balance methyl oleate. After methyl oleate and the emulgator are mixed, the active compound of chlorpyrifos can be well dissolved, and the obtained missible oil has good stability and dispersity. Methyl oleate is adopted for replacing benzene series solvents in the missible oil, so that the dosage of solvents such as benzene, methylbenzene and xylene in the missible oil is reduced, and damage, caused by benzene series solvents, to the environment and human health is reduced; in addition, methyl oleate is wide in source and low in cost, so that the cost of the missible oil is lowered.
Description
Technical field
The present invention relates to emulsifiable concentrates for agricultural chemicals field, particularly relate to a kind of chlopyrifos 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 chlopyrifos of environmental hazard without aromatic hydrocarbons cream.
Further object is that the preparation method providing chlopyrifos without aromatic hydrocarbons cream.
The above-mentioned purpose of the present invention is achieved through the following technical solutions:
A kind of chlopyrifos, without aromatic hydrocarbons cream, is got the raw materials ready by following percentage by weight:
Chlopyrifos 40% ~ 50%,
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 chlopyrifos is prepared according to the following steps without aromatic hydrocarbons cream:
Emulsifying agent is added in appropriate methyl oleate, mix homogeneously;
Former for chlopyrifos 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 chlopyrifos 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 chlopyrifos 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 chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 40%,
Emulsifying agent 5%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment, without aromatic hydrocarbons cream, is prepared according to the following steps:
Emulsifying agent is added in appropriate methyl oleate, mix homogeneously;
Former for chlopyrifos 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 chlopyrifos without aromatic hydrocarbons cream.
Embodiment 2
The present embodiment provides a kind of chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 45%,
Emulsifying agent 5%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment without aromatic hydrocarbons cream preparation process with embodiment 1.
Embodiment 3
The present embodiment provides a kind of chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 48%,
Emulsifying agent 5%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment without aromatic hydrocarbons cream preparation process with embodiment 1.
Embodiment 4
The present embodiment provides a kind of chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 50%,
Emulsifying agent 5%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment without aromatic hydrocarbons cream preparation process with embodiment 1.
Embodiment 5
The present embodiment provides a kind of chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 40%,
Emulsifying agent 10%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment without aromatic hydrocarbons cream preparation process with embodiment 1.
Embodiment 6
The present embodiment provides a kind of chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 45%,
Emulsifying agent 10%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment without aromatic hydrocarbons cream preparation process with embodiment 1.
Embodiment 7
The present embodiment provides a kind of chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 48%,
Emulsifying agent 10%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment without aromatic hydrocarbons cream preparation process with embodiment 1.
Embodiment 8
The present embodiment provides a kind of chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 50%,
Emulsifying agent 10%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment without aromatic hydrocarbons cream preparation process with embodiment 1.
Embodiment 9
The present embodiment provides a kind of chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 40%,
Emulsifying agent 15%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment without aromatic hydrocarbons cream preparation process with embodiment 1.
Embodiment 10
The present embodiment provides a kind of chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 45%,
Emulsifying agent 15%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment without aromatic hydrocarbons cream preparation process with embodiment 1.
Embodiment 11
The present embodiment provides a kind of chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 48%,
Emulsifying agent 15%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment without aromatic hydrocarbons cream preparation process with embodiment 1.
Embodiment 12
The present embodiment provides a kind of chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 50%,
Emulsifying agent 15%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment without aromatic hydrocarbons cream preparation process with embodiment 1.
Embodiment 13
The present embodiment provides a kind of chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 40%,
Emulsifying agent 20%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment without aromatic hydrocarbons cream preparation process with embodiment 1.
Embodiment 14
The present embodiment provides a kind of chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 45%,
Emulsifying agent 20%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment without aromatic hydrocarbons cream preparation process with embodiment 1.
Embodiment 15
The present embodiment provides a kind of chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 48%,
Emulsifying agent 20%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment without aromatic hydrocarbons cream preparation process with embodiment 1.
Embodiment 16
The present embodiment provides a kind of chlopyrifos without aromatic hydrocarbons cream, gets the raw materials ready by following percentage by weight:
Chlopyrifos 50%,
Emulsifying agent 20%,
Methyl oleate polishing.
The chlopyrifos of the present embodiment without aromatic hydrocarbons cream preparation process with embodiment 1.
In embodiment 1 to embodiment 16, 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 chlopyrifos 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. a chlopyrifos is without aromatic hydrocarbons cream, it is characterised in that get the raw materials ready by following percentage by weight:
Chlopyrifos 40% ~ 50%,
Emulsifying agent 5% ~ 20%,
Methyl oleate polishing.
2. chlopyrifos according to claim 1 is without aromatic hydrocarbons cream, it is characterised in that described emulsifying agent optimum weight percentage ratio is 10%.
3. chlopyrifos 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. chlopyrifos 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. chlopyrifos 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. chlopyrifos 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. chlopyrifos 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 chlopyrifos 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 chlopyrifos 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 chlopyrifos without aromatic hydrocarbons cream.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610092420.6A CN105660682A (en) | 2016-02-19 | 2016-02-19 | Chlorpyrifos non-aromatic missible oil and reparation method thereof |
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| CN201610092420.6A CN105660682A (en) | 2016-02-19 | 2016-02-19 | Chlorpyrifos non-aromatic missible oil and reparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116868994A (en) * | 2023-09-07 | 2023-10-13 | 山东康惠植物保护有限公司 | Chlorpyrifos emulsifiable concentrate and application thereof |
Citations (3)
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|---|---|---|---|---|
| CN101194606A (en) * | 2006-12-04 | 2008-06-11 | 湖南万家丰科技有限公司 | Pesticide missible oil preparation containing biological diesel oil solvent |
| CN104738080A (en) * | 2015-03-26 | 2015-07-01 | 湖北犇星农化有限责任公司 | Chlorpyrifos missible oil and preparation method thereof |
| 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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2016
- 2016-02-19 CN CN201610092420.6A patent/CN105660682A/en active Pending
Patent Citations (3)
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| CN101194606A (en) * | 2006-12-04 | 2008-06-11 | 湖南万家丰科技有限公司 | Pesticide missible oil preparation containing biological diesel oil solvent |
| CN104738080A (en) * | 2015-03-26 | 2015-07-01 | 湖北犇星农化有限责任公司 | Chlorpyrifos missible oil and preparation method thereof |
| 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116868994A (en) * | 2023-09-07 | 2023-10-13 | 山东康惠植物保护有限公司 | Chlorpyrifos emulsifiable concentrate and application thereof |
| CN116868994B (en) * | 2023-09-07 | 2023-12-08 | 山东康惠植物保护有限公司 | Chlorpyrifos emulsifiable concentrate and application thereof |
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Application publication date: 20160615 |