CN103444707A - Environment-friendly type wettable powder capable of being directly applied to rice field - Google Patents
Environment-friendly type wettable powder capable of being directly applied to rice field Download PDFInfo
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- CN103444707A CN103444707A CN2013103309722A CN201310330972A CN103444707A CN 103444707 A CN103444707 A CN 103444707A CN 2013103309722 A CN2013103309722 A CN 2013103309722A CN 201310330972 A CN201310330972 A CN 201310330972A CN 103444707 A CN103444707 A CN 103444707A
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Abstract
The invention relates to an environment-friendly type wettable powder capable of being directly applied to a rice field. The environment-friendly type wettable powder comprises the components by weight percent: 0.1-90% of effective components, 1-5% of wetting agent, 1-10% of dispersing agent, 0.1-5% of diffusion agent, the balance of filler and water-soluble packaging film material. The auxiliary agents with different components and the diffusion agent are added into the wettable powder, and the wettable powder is packed in the water-soluble packaging material, so that the wettable powder has the advantages of being high in content of active components, low in environmental pollution, more uniform in spraying, more convenient in application, good in dispersing performance, stable in heat storage performance and the like; when being used, the environment-friendly type wettable powder is high in controlling efficiency and free from dust and liquid medicine drift when being applied, and enables people not to be contacted with the drug, thus being good in safety.
Description
Technical field
The present invention relates to a kind of agricultural wettable pulvis, particularly a kind of environment-friendly type wetting powder that can directly execute in the paddy field throwing.
Background technology
Pesticide wettable is with a long history in the pesticide processing preparation, technology comparative maturity, a kind of formulation easy to use, many bactericide, weed killer herbicide and part insecticide often are processed into this formulation, therefore it is called as in the past four large basic formulations of pesticide processing together with pulvis, missible oil, granule.Wetting powder, from eighties of last century fifties, advances in just stablize always, and the quantity of the pesticidal preparations that China registers in recent years also can illustrate this point.The registration quantity of conventional dosage forms missible oil and wetting powder still ranks first, and in the modern preparation, occupies critical role.In recent years, although the development of the novel forms such as China's agricultural chemicals suspension agent, water dispersible granules is very fast, no matter from product registration quantity or output, all difficulty is compared with conventional dosage forms.Problem in wetting powder production and use is many than missible oil, but wetting powder is also the basis of numerous novel forms such as research and development suspending agent, water dispersible granules emulsified powder simultaneously.Therefore, we are necessary when accelerating the novel form research and development, the quality of the quality of General Promotion missible oil and wetting powder, especially wetting powder.
The Pva(polyvinyl alcohol) molecular formula: [C
2h
4o] n.Dissolubility: PVA is water-soluble, and the higher solvability of water temperature is larger, but is dissolved in hardly organic solvent.The PVA dissolubility changes with alcoholysis degree and the degree of polymerization.The PVA of partial alcoholysis and low polymerization degree dissolves and is exceedingly fast, and complete alcoholysis and high polymerization degree PVA dissolve slower.Universal law, on the deliquescent impact of PVA, alcoholysis degree is greater than the degree of polymerization.The PVA course of dissolution carries out stage by stage, that is: affine wetting swelling one infinite swelling one dissolves.The easy film forming of film forming PVA, the mechanical property of its film is good, and the tensile strength of film raises and strengthens with the degree of polymerization, alcoholysis degree.Cementability PVA and hydrophilic fiber have good bonding force.Ordinary circumstance, the degree of polymerization, alcoholysis degree are higher, and adhesive strength is stronger.Select the packaging bag (film) that is applicable to being processed into the specific PVA of pesticides packaging material and is pesticide wettable to its deep processing by the control to the PVA degree of polymerization, for the direct paddy field of paddy field wetting powder, thrown the inner packing of executing.Because PVA is nontoxic, easily degraded and environmental friendliness, by the application of environment-friendly package material, saved the peasant with the labour intensity and the labour that want, blocked the approach that agricultural chemicals contacts with human body, old young women and children all can carry out the dispenser operation.
PVP (polyvinylpyrrolidone), molecular formula: (C
6h
9nO) n.
polyvinylpyrrolidone (polyvinyl pyrrolidone) is called for short PVP, is a kind of non-ionic macromolecule compound, is most characteristic in N vinylamide polymer, and be studied the most deeply, fine chemicals kind widely.Nonionic, cation, the large class of anion 3 have been developed at present, technical grade, pharmaceutical grade, 3 kinds of specifications of food stage, relative molecular mass is from thousands of to the homopolymers more than 1,000,000, copolymer and crosslinking series of polymers product, and unique performance obtains extensive use with its excellence.
PVP is divided into level Four by its mean molecule quantity size, and traditionally often with the K value representation, different K values represents respectively corresponding PVP average molecular weight range.The K value is actually the eigen value relevant with the relative viscosity of the PVP aqueous solution, and viscosity is the physical quantity relevant with molecular weight of high polymer, therefore can characterize by the K value mean molecule quantity of PVP.Usually the K value is larger, and its viscosity is larger, and cementability is stronger.PVP is that to take monomer vinyl pyrrolidones (NVP) be raw material, by methods such as polymerisation in bulk, polymerisation in solutions, obtains.By (solvent can be water, ethanol, benzene etc.) in the solution of NVP, add initator to pass through free radical solution polymerization, obtain the PVP homopolymers, the polymer that wherein free radical solution polymerization obtains forms, structure is more even.Performance is also more stable, is the most frequently used method of PVP homopolymerization, regulates the reaction conditions such as monomer concentration, polymerization temperature, initiator amount and can obtain different molecular weight and different water miscible PVP homopolymers.Carry out the processing of packing bag for agricultural chemical (film) by the PVP after screening, can be used for directly throwing the inner package of executing wetting powder.
Summary of the invention
Purpose of the present invention is exactly to overcome the environmental pollution that exists in prior art, be detrimental to health and the shortcoming such as use cost is high, dispenser labour intensity is large and a kind of high-load of developing, environment-friendly type, and availability is high, and wetting powder easy to use.Containing directly throwing the paddy rice wetting powder of executing, on the wetting powder basis, grow up, this formulation has overcome the shortcoming of common wetting powder, have both environmental protection and used simple and convenient advantage, in processing and use procedure, reduced the pollution to environment, and reduced peasant's spraying time, be a main trend of current pesticidal preparations formulation development.
The objective of the invention is to be realized by following technical scheme: a kind of environment-friendly type wetting powder active ingredient that can directly execute in the paddy field throwing is various composition agricultural chemicals, the powdered substance that it is characterized in that good fluidity, be comprised of the component of following percentage by weight: pesticide active ingredient: 0.1%～90%; Wetting agent: 1%～5%; Dispersant: 1%～10%; Diffusant: 0.1%～10%; Filler: to 100%.And soluble package bag (film).
Wherein: described active ingredient is the former powder of dichloro quinolinic acid, the former powder of tricyclazole, the former powder of Buprofezin, the former powder of Mobucin or the former powder of cartap.
Wetting agent can be one or more the mixing in lauryl sodium sulfate, sulfosuccinic monooctyl ester sodium salt, dialkyl succinylsuccinate sulfonate, fatty alcohol-polyoxyethylene ether, sodium alkyl benzene sulfonate, alkylnaphthalene sulfonate, phenethyl phenol polyethenoxy ether condensation product.
Dispersant can be alkylphenol polyoxyethylene formaldehyde condensation products, sodium lignin sulfonate, MODIFIED LIGNOSULPHONATE, polycarboxylate, naphthalenesulfonate formaldehyde condensation compound, to one or more the mixing in methoxyl group fatty acyl amido benzene sulfonic acid.
Diffusant can be one or more the mixing in diffusion agent N, diffusant F, yus-8100, isooctanol, isoamyl glycol etc.
Filler can be one or more the mixing in kaolin, diatomite, precipitated calcium carbonate, white carbon, attapulgite.
The water soluble package material can be a kind of in modification glutinous rice starch packaging bag (film), modified corn starch packaging bag (film), water-soluble pva packaging bag (film), pvp packaging bag (film), peg8000 packaging bag (film).
Advantage of the present invention: the present invention, by the deep processing of paddy field wetting powder, can make paddy field directly shed use with wetting powder, when so both having saved labour intensity and also having reduced dispenser medicine to the people and around crop and environmental pollution.Processing method is that the wetting powder that paddy field is used is improved, and its water breakthrough can be spread rapidly wetting, then wetting powder is carried out to water soluble film and is packaged into constant weight, then the outer product that is bundled into different size.Wetting powder of the present invention comprises active ingredient, wetting, dispersant, diffusant and filler, and its preparation method is: take active ingredient, auxiliary agent, carrier by proportion speed and mixed; Ultimate analysis, detect after qualified and carry out water soluble film packing, packing, check warehouse-in.The present invention overcome the diffusion of general wetting powder slow, spray or mix soil and spread fertilizer over the fields the shortcoming that high labour intensity and drift are polluted, had both environmental protection and used into conveniently, save labour's advantage, can reach good control efficiency once throwing gently, in processing and use procedure, reduce the pollution to environment, the water-soluble easy degraded of packaging material environmental protection, after degraded, end product is water and carbonic acid gas, and has reduced peasant's use cost, meets the direction of current pesticidal preparations novel form exploitation.
In the present invention due to the auxiliary agent that has added heterogeneity and diffusant and adopt water-soluble packages to carry out interior bag, make the present invention there is active component content high, environmental pollution is little, spray more even, throwing is executed more convenient, and dispersive property reaches well heat storage steady performance, in use prevent and treat usefulness high, throwing is executed without the drift of dust liquid, and people and medicine are contactless, and safety is good.
Embodiment
In order to understand better essence of the present invention, by following examples, be described further, but the present invention is not limited to these embodiment.In these embodiments, unless otherwise indicated, all percentage is mass percent.
embodiment 1:75% dichloro quinolinic acid wetting powder.
Take the former powder 75% of dichloro quinolinic acid, wetting agent lauryl sodium sulfate 2%, dispersant polycarboxylate 2,700 3%, sodium lignin sulfonate 2%, diffusion agent N 2%, filler (white carbon: kaolin=1:2) to 100%, after it is mixed, through airslide disintegrating mill, pulverize to obtain 75% dichloro quinolinic acid wetting powder.Through the check active constituent content, be 75.5%, moisture≤2.0%, pH value 5.7, screening (by 15 μ m sieves) >=98%, suspensibility >=98%, lasting foaming characteristic (1min)≤10mL, wetability≤45 second, the acceleration heat storage stability is qualified.By the field experiment on the ground such as Guangdong, Hunan, Hubei, this product is thrown and is executed, spraying is sprayed and contrasted with wetting powder.
Test is processed as following table:
Result is as following table: 75% dichloro quinolinic acid wetting powder (throwing is executed) carries out paddy field comparative efficacy test result with mill run.
embodiment 2:75% tricyclazole wettable powder.
Take the former powder 75% of tricyclazole, wetting agent lauryl sodium sulfate 2%, dispersant polycarboxylate 2,700 2%, calcium lignosulfonate 4%, diffusant F1%, filler kaolin to 100%, after it is mixed, pulverize to obtain 75% tricyclazole wettable powder through airslide disintegrating mill.Through the check active constituent content, be 75.3%, moisture≤2.0%, pH value 6.8, screening (by 15 μ m sieves) >=98%, suspensibility >=95%, lasting foaming characteristic (1min)≤10mL, wetability≤1min, the acceleration heat storage stability is qualified.For preventing and treating rice blast; 15g-20g/667 ㎡, (after the water-soluble bag packing, can directly throw and grant in paddy field, 5g/ bag, 3-4 bag/667 ㎡), the rice blast morbidity reduces 90%～100%.Can be good at preventing the generation of rice blast, saved the labour of dispenser, the simple purpose that can reach prevention rice blast of executing a throwing.
embodiment 3:25% Buprofezin Mobucin wetting powder.
Take the former powder 6% of Buprofezin, the former powder 19% of Mobucin, wetting agent Negel 3%, dispersant naphthalene sulfonic acid-formaldehyde condensation product NNO 3%, sodium lignin sulfonate 4%, yus-8100 0.5%, and white carbon 4 %, more than kaolin, after it is mixed, through airslide disintegrating mill, pulverize and obtain 6% Buprofezin 19% Mobucin wetting powder.Through check active ingredient Buprofezin content be 6.2%, Mobucin content 19.3%, moisture≤2.0%, pH value 7.5, screening (by 15 μ m sieves) >=98%, suspensibility >=95%, lasting foaming characteristic (1min)≤10mL, wetability≤1min,, the acceleration heat storage stability is qualified.For preventing and treating the rice hoppers pharmaceutical quantities, be: insect population initial stage 112.5～184.5g(active ingredient)/hm
2, preventive effect is 80%～90%.(after the water-soluble bag packing, can directly throw and grant in paddy field, 5g/ bag, 3-4 bag/667 ㎡), saved the labour of dispenser, the simple purpose that can reach the control rice fulgorid of executing a throwing.
embodiment 4:50% cartap wetting powder.
Take the former powder 50% of cartap, wetting agent claims Negel 3%, dispersant naphthalene sulfonic acid-formaldehyde condensation product NNO 1%, sodium lignin sulfonate 1%, yus-8100 0.5%, white carbon 4 %, ammonium sulfate 30%, more than kaolin, after it is mixed, through airslide disintegrating mill, pulverize and obtain 50% cartap wetting powder.Through check active ingredient Buprofezin content, be 50.5%, moisture≤1.0%, pH value 5.5, screening (by 15 μ m sieves) >=98%, suspensibility >=95%, lasting foaming characteristic (1min)≤10mL, wetability≤1min,, the acceleration heat storage stability is qualified.For preventing and treating the rice-stem borer pharmaceutical quantities, be: insect population initial stage 600～900g(active ingredient)/hm
2, preventive effect is 80%～90%.(after the water-soluble bag packing, can directly throw and grant in paddy field, 5g/ bag, 8-12 bag/667 ㎡), saved the labour of dispenser, the simple purpose that can reach the control striped rice borer of executing a throwing.
Claims (7)
1. can directly at paddy field, throw the environment-friendly type wetting powder of executing for one kind, it is characterized in that, formed by the component of following percentage by weight: active ingredient 0.1～90%, wetting agent 1～5%, dispersant 1～10%, diffusant 0.1～5%, filler surplus and water soluble package membrane material.
2. according to claim 1ly a kind ofly can be directly at paddy field, throw the environment-friendly type wetting powder that execute, it is characterized in that: described active ingredient is the former powder of dichloro quinolinic acid, the former powder of tricyclazole, the former powder of Buprofezin, the former powder of Mobucin or the former powder of cartap.
3. according to claim 1ly a kind ofly can be directly at paddy field, throw the environment-friendly type wetting powder that execute, it is characterized in that: described wetting agent is one or more the mixing in lauryl sodium sulfate, sulfosuccinic monooctyl ester sodium salt, dialkyl succinylsuccinate sulfonate, fatty alcohol-polyoxyethylene ether, sodium alkyl benzene sulfonate, alkylnaphthalene sulfonate.
4. according to claim 1ly a kind ofly can be directly at paddy field, throw the environment-friendly type wetting powder that execute, it is characterized in that: described dispersant is alkylphenol polyoxyethylene formaldehyde condensation products, lignosulfonates, polycarboxylate, naphthalenesulfonate formaldehyde condensation compound, to one or more the mixing in methoxyl group fatty acyl amido benzene sulfonic acid.
5. according to claim 1ly a kind ofly can be directly at paddy field, throw the environment-friendly type wetting powder that execute, it is characterized in that: described one or more the mixing be diffused as in diffusion agent N, diffusant F, yus-8100, isooctanol, isoamyl glycol etc.
6. according to claim 1ly a kind ofly can be directly at paddy field, throw the environment-friendly type wetting powder that execute, it is characterized in that: described filler is one or more the mixing in kaolin, diatomite, precipitated calcium carbonate, white carbon, attapulgite, bentonite, starch, talcum powder, sodium sulphate, ammonium sulfate.
7. according to claim 1ly a kind ofly can be directly at paddy field, throw the environment-friendly type wetting powder that execute, it is characterized in that: described water soluble package material is a kind of in the packaging bag of modification glutinous rice starch, modified corn starch packaging bag, water-soluble pva packaging bag, pvp packaging bag, peg8000 packaging bag.
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| CN2013103309722A CN103444707A (en) | 2013-08-01 | 2013-08-01 | Environment-friendly type wettable powder capable of being directly applied to rice field |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103749455A (en) * | 2013-12-24 | 2014-04-30 | 江苏天容集团股份有限公司 | Weed killer for preventing and killing weeds in wheat field |
| CN104336012A (en) * | 2014-10-17 | 2015-02-11 | 山东潍坊润丰化工股份有限公司 | Wettable powder and preparation method thereof |
| CN105851076A (en) * | 2016-04-29 | 2016-08-17 | 山东胜伟园林科技有限公司 | Biopesticide containing Bacillus sphaericus and used for preventing and treating soybean diseases and pests |
| CN111406739A (en) * | 2020-04-01 | 2020-07-14 | 中化化工科学技术研究总院有限公司 | Agricultural diffusant, pesticide composition containing agricultural diffusant and preparation method of pesticide composition |
| CN112471146A (en) * | 2020-10-26 | 2021-03-12 | 华南农业大学 | Environment-friendly pesticide hand polishing agent and preparation method thereof |
| CN115812703A (en) * | 2021-12-24 | 2023-03-21 | 中国农业大学 | Application of water-soluble packaging bag in pesticide application reduction and efficiency improvement |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072646A (en) * | 1991-11-21 | 1993-06-02 | 罗纳-普朗克农业化学公司 | The packaging system of Pestcidal compositions |
| CN1353932A (en) * | 2000-11-21 | 2002-06-19 | 组合化学工业株式会社 | Pesticide composition and its preparing and distributing method |
| CN101167454A (en) * | 2007-12-05 | 2008-04-30 | 张少武 | 'Daowenling' water dispersible granule and preparation method thereof |
| CN101642123A (en) * | 2009-08-24 | 2010-02-10 | 陕西上格之路生物科学有限公司 | Herbicide composition for paddy fields |
-
2013
- 2013-08-01 CN CN2013103309722A patent/CN103444707A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072646A (en) * | 1991-11-21 | 1993-06-02 | 罗纳-普朗克农业化学公司 | The packaging system of Pestcidal compositions |
| CN1353932A (en) * | 2000-11-21 | 2002-06-19 | 组合化学工业株式会社 | Pesticide composition and its preparing and distributing method |
| CN101167454A (en) * | 2007-12-05 | 2008-04-30 | 张少武 | 'Daowenling' water dispersible granule and preparation method thereof |
| CN101642123A (en) * | 2009-08-24 | 2010-02-10 | 陕西上格之路生物科学有限公司 | Herbicide composition for paddy fields |
Non-Patent Citations (1)
| Title |
|---|
| 郑斐能等: "液用农药固态制剂水溶性薄膜内包装袋的初步研制", 《农药》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103749455A (en) * | 2013-12-24 | 2014-04-30 | 江苏天容集团股份有限公司 | Weed killer for preventing and killing weeds in wheat field |
| CN104336012A (en) * | 2014-10-17 | 2015-02-11 | 山东潍坊润丰化工股份有限公司 | Wettable powder and preparation method thereof |
| CN105851076A (en) * | 2016-04-29 | 2016-08-17 | 山东胜伟园林科技有限公司 | Biopesticide containing Bacillus sphaericus and used for preventing and treating soybean diseases and pests |
| CN111406739A (en) * | 2020-04-01 | 2020-07-14 | 中化化工科学技术研究总院有限公司 | Agricultural diffusant, pesticide composition containing agricultural diffusant and preparation method of pesticide composition |
| CN112471146A (en) * | 2020-10-26 | 2021-03-12 | 华南农业大学 | Environment-friendly pesticide hand polishing agent and preparation method thereof |
| CN115812703A (en) * | 2021-12-24 | 2023-03-21 | 中国农业大学 | Application of water-soluble packaging bag in pesticide application reduction and efficiency improvement |
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Application publication date: 20131218 |