CN108207946B - Special auxiliary agent suitable for diquat dichloride aqueous solution - Google Patents
Special auxiliary agent suitable for diquat dichloride aqueous solution Download PDFInfo
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- CN108207946B CN108207946B CN201810324013.2A CN201810324013A CN108207946B CN 108207946 B CN108207946 B CN 108207946B CN 201810324013 A CN201810324013 A CN 201810324013A CN 108207946 B CN108207946 B CN 108207946B
- Authority
- CN
- China
- Prior art keywords
- aqueous solution
- diquat
- diquat dichloride
- auxiliary agent
- dichloride
- Prior art date
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- SKYNPRKUXHXZFJ-UHFFFAOYSA-L 6,7-dihydrodipyrido[1,2-b:1',2'-e]pyrazine-5,8-diium;dichloride Chemical compound [Cl-].[Cl-].C1=CC=[N+]2CC[N+]3=CC=CC=C3C2=C1 SKYNPRKUXHXZFJ-UHFFFAOYSA-L 0.000 title claims abstract description 44
- 239000007864 aqueous solution Substances 0.000 title claims abstract description 24
- 239000012752 auxiliary agent Substances 0.000 title claims abstract description 18
- MPNXSZJPSVBLHP-UHFFFAOYSA-N 2-chloro-n-phenylpyridine-3-carboxamide Chemical compound ClC1=NC=CC=C1C(=O)NC1=CC=CC=C1 MPNXSZJPSVBLHP-UHFFFAOYSA-N 0.000 claims abstract description 4
- IXOCGRPBILEGOX-UHFFFAOYSA-N 3-[3-(dodecanoylamino)propyl-dimethylazaniumyl]-2-hydroxypropane-1-sulfonate Chemical compound CCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC(O)CS([O-])(=O)=O IXOCGRPBILEGOX-UHFFFAOYSA-N 0.000 claims abstract description 4
- -1 alkyl glycoside Chemical class 0.000 claims abstract description 4
- 229930182470 glycoside Natural products 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000002671 adjuvant Substances 0.000 claims description 10
- 239000012266 salt solution Substances 0.000 claims 2
- IZWSFJTYBVKZNK-UHFFFAOYSA-N lauryl sulfobetaine Chemical compound CCCCCCCCCCCC[N+](C)(C)CCCS([O-])(=O)=O IZWSFJTYBVKZNK-UHFFFAOYSA-N 0.000 claims 1
- 230000008719 thickening Effects 0.000 abstract description 7
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 abstract description 3
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 abstract description 3
- 239000004094 surface-active agent Substances 0.000 abstract description 3
- 239000000654 additive Substances 0.000 abstract description 2
- 230000000996 additive effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 13
- 238000001556 precipitation Methods 0.000 description 12
- 239000005630 Diquat Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000012452 mother liquor Substances 0.000 description 8
- ODPOAESBSUKMHD-UHFFFAOYSA-L 6,7-dihydrodipyrido[1,2-b:1',2'-e]pyrazine-5,8-diium;dibromide Chemical compound [Br-].[Br-].C1=CC=[N+]2CC[N+]3=CC=CC=C3C2=C1 ODPOAESBSUKMHD-UHFFFAOYSA-L 0.000 description 7
- 230000009969 flowable effect Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 239000012895 dilution Substances 0.000 description 5
- 238000010790 dilution Methods 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- 239000008233 hard water Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000012267 brine Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 230000002363 herbicidal effect Effects 0.000 description 3
- 239000000575 pesticide Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 239000004009 herbicide Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 244000237956 Amaranthus retroflexus Species 0.000 description 1
- 235000013479 Amaranthus retroflexus Nutrition 0.000 description 1
- 244000104272 Bidens pilosa Species 0.000 description 1
- 235000010662 Bidens pilosa Nutrition 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 235000010823 Digitaria sanguinalis Nutrition 0.000 description 1
- 244000152970 Digitaria sanguinalis Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- MXZACTZQSGYANA-UHFFFAOYSA-N chembl545463 Chemical compound Cl.C1=CC(OC)=CC=C1C(N=C1)=CN2C1=NC(C)=C2O MXZACTZQSGYANA-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 125000000950 dibromo group Chemical group Br* 0.000 description 1
- SYJFEGQWDCRVNX-UHFFFAOYSA-N diquat Chemical compound C1=CC=[N+]2CC[N+]3=CC=CC=C3C2=C1 SYJFEGQWDCRVNX-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000002888 zwitterionic surfactant Substances 0.000 description 1
Classifications
-
- 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
- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
Landscapes
- 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)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a special auxiliary agent suitable for diquat dichloride aqueous solution, which mainly comprises water-soluble surfactants such as cocamidopropyl hydroxysultaine, palmitamidopropyl trimethyl ammonium chloride, dodecyl sultaine and alkyl glycoside according to a certain proportion. The additive has good cold and heat resistance and has obvious thickening effect on diquat dichloride.
Description
Technical Field
The invention belongs to the technical field of pesticides, relates to a pesticide auxiliary agent, and particularly relates to a special auxiliary agent for a diquat dichloride aqueous solution.
Background
The biocidal herbicide diquat mainly exists in the form of dibromo salt, and with the development of synthesis technology, diquat dichloride with more dominant raw material cost is gradually favored by pesticide enterprises and scientific research institutes at home and abroad, and is strived for synthesis research.
The physical and chemical properties of the diquat dichloride are completely different from those of diquat dibromide, so that the auxiliary agent cannot be used universally, and no thickening auxiliary agent suitable for a diquat dichloride aqueous solution and relevant reports exist in the market at present.
The auxiliary agent is a compound auxiliary agent specially developed and researched aiming at the physical and chemical properties of diquat dichloride, and consists of a plurality of water-soluble surfactants, and the diquat dichloride has excellent thickening property.
Disclosure of Invention
The invention aims to provide a special thickening auxiliary agent which has good stability and is particularly suitable for a diquat dichloride aqueous solution.
The purpose of the invention is realized by the following modes:
a special assistant for diquat dichloride aqueous solution mainly comprises cocamidopropyl hydroxysultaine, palmitoylamidopropyl trimethyl ammonium chloride, dodecyl sultaine and alkyl glycoside.
The weight ratio of the cocamidopropyl hydroxysultaine to the palmitomidopropyl trimethylammonium chloride to the dodecyl sultaine to the alkyl glycoside is 5-30: 1-10: 5-20: 5-10. The weight content of the main effective components in the auxiliary agent is 16-70%.
The special auxiliary agent suitable for the diquat dichloride aqueous solution is specifically composed of the following components:
the auxiliary agent has remarkable thickening performance on diquat dichloride, and is suitable for water aqua with the diquat dichloride content of 5-40%, in particular for water aqua with the diquat dichloride content of 15-35%.
Particularly, cocoamidopropyl hydroxysulfobetaine (cocoamidodo hydroxysulfobetaine) is adopted, is a zwitterionic surfactant, has excellent stability under acidic and alkaline conditions, respectively presents positive and negative ions, and has good compatibility.
Compared with the prior art, the invention has the beneficial effects that:
1. the adjuvant has good water solubility, the main components of the adjuvant are water-soluble surfactants, the adjuvant does not contain any thickening agent and solid salt, the compatibility with the technical product (mother medicine) of the dichlord is good, the preparation process of the aqueous solution is simple, and the use is convenient.
2. The additive has remarkable thickening performance and is suitable for thickening diquat dichloride brine products.
3. The salt-resistant and temperature-resistant water aqua of the invention has good salt resistance and temperature resistance, is suitable for water aqua with 5-40% of diquat dichloride salt, preferably suitable for water aqua with 15-35% of diquat dichloride salt, and has stable viscosity and good temperature resistance.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The invention is further illustrated by the following examples, which are not intended to limit the invention thereto.
Example 1
A special auxiliary agent suitable for a diquat dichloride aqueous solution is prepared from the following substances in percentage by mass:
example 2
A special auxiliary agent suitable for a diquat dichloride aqueous solution is prepared from the following substances in percentage by mass:
example 3
A special auxiliary agent suitable for a diquat dichloride aqueous solution is prepared from the following substances in percentage by mass:
example 4
A special auxiliary agent suitable for a diquat dichloride aqueous solution is prepared from the following substances in percentage by mass:
example 5
The 15 percent aquacide dichloride aqueous solution is prepared from the following substances in percentage by mass:
40 percent of mother liquor of diquat dichloride 37.5 percent
Adjuvant (prepared according to example 1) 10%
The water is complemented to 100 percent
The 15% diquat dichloride saline agent is a homogeneous viscous flowable liquid in appearance, has the viscosity of 400mPa.s (25 ℃), has good cold and hot storage stability, is stored for 30 days at the temperature of-10 ℃ and 54 ℃, has no problems of layering and precipitation and the like, has good dilution stability (diluted by using 342ppm standard hard water by 20 times, kept stand for 18 hours at the temperature of 30 ℃, has no layering and precipitation), meets the national standard and the FAO standard, and has good water solubility.
Example 6
The 20% diquat dichloride aqueous solution is prepared from the following substances in percentage by mass:
40 percent of mother liquor of diquat dichloride and 50 percent of mother liquor
Auxiliary (prepared according to the method of example 2) 8%
Water to make up to 100%
The 20% diquat dichloride brine agent is a homogeneous viscous flowable liquid in appearance, has the viscosity of 350mPa.s (25 ℃), has good cold and hot storage stability, is stored for 30 days at the temperature of-10 ℃ and 54 ℃, has no problems of layering and precipitation and the like, has good dilution stability (diluted by using 342ppm standard hard water by 20 times, kept stand for 18 hours at the temperature of 30 ℃, has no layering and precipitation), meets the national standard and the FAO standard, and has good water solubility.
Example 7
The 25% diquat dichloride aqueous solution is prepared from the following substances in percentage by mass:
40 percent of mother liquor of diquat dichloride 62.5 percent
Auxiliary (prepared according to the method of example 3) 12%
Water to make up to 100%
The 25% diquat dichloride brine agent is a homogeneous viscous flowable liquid in appearance, has the viscosity of 450mPa.s (25 ℃), has good cold and hot storage stability, is stored for 30 days at the temperature of-10 ℃ and 54 ℃, has no problems of layering and precipitation and the like, has good dilution stability (diluted by using 342ppm standard hard water by 20 times, kept stand for 18 hours at the temperature of 30 ℃, has no layering and precipitation), meets the national standard and the FAO standard, and has good water solubility.
Example 8
The 30% diquat dichloride aqueous solution is prepared from the following substances in percentage by mass:
40 percent of aquacide dichloride mother liquor and 75 percent
Auxiliary (prepared according to the method of example 4) 12%
Water to make up to 100%
The 30% aquacide dichloride aqueous solution is a homogeneous viscous flowable liquid in appearance, the viscosity is 500mPa.s (25 ℃), the cold and hot storage stability is good, the preparation is stored for 30 days at minus 10 ℃ and 54 ℃, the problems of layering and precipitation and the like do not exist, the dilution stability is good (the preparation is diluted by 20 times by 342ppm standard hard water and stands for 18 hours at 30 ℃, the layering and precipitation do not exist), the national standard and the FAO standard are met, and the water solubility is good.
Example 9
The 35 percent aquacide dichloride aqueous solution is prepared from the following substances in percentage by mass:
40 percent of mother liquor of diquat dichloride 87.5 percent
Auxiliary (prepared according to the method of example 1) 12%
Water to make up to 100%
The 35% diquat dichloride saline agent is a homogeneous viscous flowable liquid in appearance, the viscosity is 350mPa.s (25 ℃), the cold and hot storage stability is good, the preparation is stored for 30 days at minus 10 ℃ and 54 ℃, the problems of layering and precipitation and the like do not exist, the dilution stability is good (the preparation is diluted by 20 times by 342ppm standard hard water and is kept still for 18 hours at 30 ℃, the layering and precipitation do not exist), the national standard and the FAO standard are met, and the water solubility is good.
Comparative example 1
The 30% diquat dichloride aqueous solution is prepared from the following substances in percentage by mass:
40 percent of aquacide dichloride mother liquor and 75 percent
Adjuvant (lacking palmitoylamidopropyltrimethylammonium chloride, the remainder being obtained by the method of example 4) 12%
Water is added to make up to 100%.
The 30% aqueous diquat dichloride formulation was a low viscosity flowable liquid with an appearance of only 15mpa.s (25 ℃), and the formulation was stored at 54 ℃ for 2 days with delamination and precipitation occurring.
Comparative example 2
The 30% diquat dichloride aqueous solution is prepared from the following substances in percentage by mass:
40 percent of aquacide dichloride mother liquor and 75 percent
Adjuvant (Cocoamidopropyl hydroxysultaine, prepared as in example 3) 12%
Water is added to make up to 100%.
The 30% aqueous diquat dichloride formulation was a low viscosity flowable liquid with an appearance of only 10mpa.s (25 ℃), and the formulation was stored at 54 ℃ for 2 days with delamination and precipitation occurring.
The viscosity was measured at 25 ℃ with a rotary viscometer using a No. 1 rotor at 30 rpm.
Test example 1
4 aqua diquat dichloride solutions of examples 5-8.
Control agents: 200g/l aquacide (commercially available).
The dosage is as follows: the dosage of each test agent and each control agent is 150ml per mu.
Control target: bidens pilosa, digitaria sanguinalis, Amaranthus retroflexus, annual grassy weeds.
The test method comprises the following steps: various medicaments are accurately weighed according to the area of a test cell, diluted by water and uniformly sprayed by a knapsack sprayer, and a special fan-shaped sprayer for herbicides is selected as the sprayer. The spray was homogenized with 40 kg of water per 666.7m 2. When spraying, the liquid medicine is required to be uniformly sprayed into a test cell, and the phenomena of liquid leakage and excessive spraying are avoided.
Weed death was observed at 2d and 5d after application, respectively, and herbicidal activity of each agent was compared.
The results of the herbicidal testing of the formulations of the examples of the present invention are shown in the following table (post-application 5d)
TABLE 1 field test results of efficacy (5 d after application)
The result of the efficacy test shows that the invention has excellent synergistic effect.
Claims (3)
1. A special auxiliary agent suitable for a diquat dichloride aqueous solution is characterized by comprising the following components:
5-30% of cocamidopropyl hydroxysultaine
1-10% of palmitoylamidopropyl trimethyl ammonium chloride
Dodecyl sulfobetaine 5-20%
Alkyl glycoside 5-10%
Water is added to make up to 100%.
2. The special adjuvant for aqueous diquat dichloride salt solution as claimed in claim 1, wherein said adjuvant is suitable for an aqueous solution containing diquat dichloride salt in an amount of 5-40%.
3. The special adjuvant for aqueous diquat dichloride salt solution as claimed in claim 2, wherein said adjuvant is suitable for an aqueous solution containing diquat dichloride salt in an amount of 15-35%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324013.2A CN108207946B (en) | 2018-04-12 | 2018-04-12 | Special auxiliary agent suitable for diquat dichloride aqueous solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324013.2A CN108207946B (en) | 2018-04-12 | 2018-04-12 | Special auxiliary agent suitable for diquat dichloride aqueous solution |
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| Publication Number | Publication Date |
|---|---|
| CN108207946A CN108207946A (en) | 2018-06-29 |
| CN108207946B true CN108207946B (en) | 2020-12-22 |
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| CN201810324013.2A Active CN108207946B (en) | 2018-04-12 | 2018-04-12 | Special auxiliary agent suitable for diquat dichloride aqueous solution |
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| Country | Link |
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| CN (1) | CN108207946B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111513073A (en) * | 2020-05-06 | 2020-08-11 | 南京威尔生物科技有限公司 | Auxiliary agent, diquat water agent containing auxiliary agent and preparation method |
| CN114258914A (en) * | 2021-12-24 | 2022-04-01 | 南京科翼新材料有限公司 | Low-foam thickening synergistic auxiliary for diquat dichloride |
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| CN108207946A (en) | 2018-06-29 |
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