CN101167461B - Diniconazole water dispersible granule and preparation method thereof - Google Patents

Diniconazole water dispersible granule and preparation method thereof Download PDF

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Publication number
CN101167461B
CN101167461B CN2007101955490A CN200710195549A CN101167461B CN 101167461 B CN101167461 B CN 101167461B CN 2007101955490 A CN2007101955490 A CN 2007101955490A CN 200710195549 A CN200710195549 A CN 200710195549A CN 101167461 B CN101167461 B CN 101167461B
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parts
agent
sulfonate
diniconazole
water dispersible
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CN2007101955490A
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CN101167461A (en
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张少武
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Shaanxi Meibang Pesticide Co Ltd
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Abstract

The invention discloses compound diniconazole water dispersible granule which belongs to the bactericidal agent technology in the field of agronomic crop protection. The invention comprises diniconazole 20-800 parts, humectant 20-40 parts, dispersing agent 20-60 parts, disintegrant 30-80 parts, adsorbent 10-30 parts, adhesion agent 10-50 parts, stabilizing agent 10-40 parts and filler 50-500 parts. The above components are mixed according to a certain proportion, homogeneously agitated, disintegrated for mesh powder, mesh powder and adhesion agent are homogeneously mixed, and then the diniconazole water dispersible granule is achieved after granulation, drying and riddling. The invention overcomes the defects of prior diniconazole agent, decreases the application costs for farmers and environment pollution. Besides, the invention has the advantages of high content, rapid disintegration, good dispersibility, convenient storage, stability, high activity degree, good effect and safety. The invention is mainly used for the prevention and cure of the powdery mildew of wheat, venturia pirina and the powdery mildew of vegetables.

Description

Diniconazole water dispersible granule and preparation method thereof
Technical field
The present invention relates to a kind of disinfectant use in agriculture, active ingredient is alkene azoles alcohol, and formulation is a water dispersible granules, and preparation method thereof.Be mainly used in the control of wheat powdery mildew, apple rust, pear scab, vegetables powdery mildew.
Background technology
At present; disinfectant use in agriculture is a lot; alkene azoles alcohol is wherein a kind of; belong to azole broad-spectrum foliage systemic fungicide; have protection and treatment double action; in the ergosterol biosynthesis of fungi, suppress 14 α-demethylation effect; cause that ergosterol lacks; cause fungal cell membrane undesired; final fungi death; lasting period is permanent; the energy rapid osmotic is in plant corpus after the spraying; resistance of rainwater washing against; it is mainly used in the fungal disease of control crop; safety is good; fungicidal spectrum is very wide; remarkably productive; be that effect is better in the present fungal disease control; active higher; one of product that consumption is less; special antagonism wheat powdery mildew; apple rust; pear scab; the vegetables powdery mildew is remarkably productive; but the former powder of the alcohol of alkene azoles in the market; the wetting powder and the missible oil that have been made generally in low content use; and wetting powder and missible oil are seriously polluted at preparation and use dust and emulsion, and human and environment is all had very big harm, and effective rate of utilization is low; shortcomings such as the lasting period is short are a lot; and making agricultural chemicals development intermediate frequency face superseded formulation, the fortune storage is inconvenient, is difficult for packing; the use cost height.
Wheat powdery mildew: be that China wheat belt threatens one of maximum disease, all can large tracts of land take place every year, distributed pole extensively and extremely difficult control, present single agent product can't effectively have been controlled disease and take place, and continues in rising trend in some areas incidence.
Apple rust: harm blade, young sprout, fruit.Orange-yellow, glossy dot appears earlier in blade.The back expansion, central color depth, and grow many pores (spermagone), overflow transparent drop (pycnospore liquid).After this droplet drying, the pycnospore blackening, sick portion tissue thickens, swelling.Around leaf back or the fruit scab, grow yellowish-brown flocculence (aecidium), include a large amount of brown powder (aeciospore), cause the flavescence of disease leaf, flocculence occurs, the fruit deformity is caducous.
Pear scab: be a kind of quarantine venereal disease evil, mainly directly invade the people from plant leaf blade, fruit, the climing epidermis of stem, also can invade from pore and wound, disease portion begins depression to occur, is the silly shape of dun sore, and flows out translucent jelly, then become amber, diseased tissues stops growing, bending, and when not deliquescing, without putrefaction, high humidity, sick portion produces the mould layer of black.
The vegetables powdery mildew: generally lay particular stress on generation in China, very big to the conventional pesticide resistance, the extensively and extremely difficult control of distributed pole presses for new compound composition or new preparation and promotes on probation.
Summary of the invention
The objective of the invention is to develop low, an easy packing of use cost, storing conveniently, do not have injury and an environmentally safe while and improved the availability and the medication efficient of effective ingredient again the people is healthy, overcome prior art cost height, polluted greatly, storage inconvenient shortcoming far away, another purpose is to be prepared into outstanding formulation and easy to use, the high high-content water-dispersion granula of practical efficiency is mainly used in wheat powdery mildew, apple rust, pear scab, vegetables powdery mildew.
Technical scheme among the present invention is achieved in that its composition of a kind of diniconazole water dispersible granule comprises: 50 parts~500 parts of alkene azoles alcohol 20-800 parts, wetting agent 20-40 part, dispersant 20-60 part, disintegrant 30-80 part, adsorbent 10-30 part, adhesive agent 10-50 part, stabilizing agent 10-40 part, filler.Wherein, the auxiliary agent type that water dispersible granules according to claim 1 is required is prepared according to the product concrete condition.
Described wetting agent is selected from: aliphatic alcohol sulfate, alkyl sulfate, alkylol polyoxyethylene groups ether sodium sulfate, alkylphenol-polyethenoxy base ether sodium sulfate, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate; A kind of in sodium alkyl sulfonate, alkylbenzenesulfonate, alkylnaphthalene sulfonate, dialkyl succinylsuccinate sulfonate, monoalkyl phenyl polyoxyethylene groups ether succinic acid sodium sulfonate, fatty alcohol ethylene oxide adduct sulfonate, alkylphenol formaldehyde condensation product ethylene oxide adduct sulfonate, the alkyl amide taurate;
Described dispersant is selected from: aliphatic alcohol polyethenoxy base ether, alkylphenol-polyethenoxy base ether, 602,1601,1602, By series a kind of;
Described disintegrant is selected from: ammonium sulfate, anhydrous sodium sulfate, calcium chloride, surfactant, bentonite, polyethyl acrylate a kind of;
Described adsorbent is selected from: diatomite, attapulgite, white carbon, No. 45, lignin, bentonite a kind of;
Described adhesive is selected from: gelatin, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol, starch, CMC's is a kind of;
Described stabilizing agent is selected from: sodium hydrogen phosphate, succinic acid, adipic acid, oxalic acid, borax a kind of;
Described filler is selected from: kaolin, precipitated calcium carbonate, bentonite, anhydrous sodium sulfate a kind of.
Owing to add the auxiliary agent of heterogeneity, make active quantities height of the present invention among the present invention, pollutes little, availability height, convenient, the stable easily use of storing.Have also that disintegration rate is fast, the advantage of good dispersion, good fluidity.
The preparation method's of a kind of diniconazole water dispersible granule of the present invention technology, the technical indicator of product is as follows:
Alkene azoles alcohol content 2-80%
Moisture %≤2.5
PH value scope 6.0~8.0
Embodiment
Suspensibility % 〉=75
Particle size range (225-800 μ m) % 〉=98
Dispersed % 〉=85
Wetting time S≤90
Wet screening test (by 75 μ m testing sieves) % 〉=98
Lasting foaming characteristic, (behind the 1min) mL≤12
Heat storage stability is qualified
The present invention will be further described below in conjunction with example:
Embodiment 1
Take by weighing 700 parts in the former powder of alkene azoles alcohol, 30 parts of wetting agent alkyl sulfates, 50 parts in dispersant aliphatic alcohol polyethenoxy base ether, 30 parts in disintegrant ammonium sulfate, 20 parts in adsorbent diatomite, 10 parts of stabilizing agent sodium hydrogen phosphates, 140 parts of filler precipitated calcium carbonates after it is mixed, are pulverized through airslide disintegrating mill and to be obtained female powder, female powder is mixed evenly with 20 parts of adhesive polyvinyl alcohol, then, granulation then, oven dry, sieve alkene azoles alcohol water-dispersible granules, be 89.05~92.60% for its control efficiency of control wheat powdery mildew in force.
Embodiment 2
Take by weighing 730 parts in the former powder of alkene azoles alcohol, 30 parts of wetting agent sodium alkyl sulfonates, 40 parts in dispersant alkylphenol-polyethenoxy base ether, 40 parts in disintegrant calcium chloride, 20 parts of adsorbent white carbons, 25 parts of stabilizing agent succinic acid, 100 parts of filler kaolin, after it is mixed, pulverize through airslide disintegrating mill and to obtain female powder, female powder and 15 parts of adhesive gelatin are mixed, granulation then, oven dry, sieve alkene azoles alcohol water-dispersible granules, be 89.98~94.23% for preventing and treating its control efficiency of apple rust in force.
Embodiment 3
Take by weighing 760 parts in the former powder of alkene azoles alcohol, 20 parts of wetting agent alkylbenzenesulfonates, 602 doses 30 parts of dispersants, 35 parts in disintegrant calcium chloride, 10 parts in No. 45, adsorbent lignin, 25 parts of stabilizing agent oxalic acid, 100 parts of filler anhydrous sodium sulfates, after it is mixed, pulverize through airslide disintegrating mill and to obtain female powder, female powder and 20 parts of adhesive polyethylene glycol are mixed, granulation then, oven dry, sieve alkene azoles alcohol water-dispersible granules, be 92.3~95.6% for its control efficiency of control pear scab in force.
Embodiment 4
Take by weighing 780 parts in the former powder of alkene azoles alcohol, 20 parts in wetting agent alkylphenol formaldehyde condensation product ethylene oxide adduct sulfonate, 35 parts in dispersant alkylphenol-polyethenoxy base ether, 35 parts of disintegrant polyethyl acrylates, 10 parts of adsorbent attapulgites, 27 parts of stabilizing agent boraxs, 100 parts of filler kaolin, after it is mixed, pulverize through airslide disintegrating mill and to obtain female powder, female powder is mixed evenly with 13 parts of adhesive polyvinyl alcohol, granulation then, oven dry, sieve alkene azoles alcohol water-dispersible granules, be 92.3~95.6% for its control efficiency of control vegetables powdery mildew in force.
In order to make those of ordinary skill in the art understand the present invention better, the invention provides the preparation method who is used for diniconazole water dispersible granule, following steps are arranged:
A), choose raw material, it is mixed according to the prescription of diniconazole water dispersible granule;
B), after carrying out ultramicro grinding with above mixture, airslide disintegrating mill obtains female powder;
C), the female powder that obtains after the ultramicro grinding is mixed by prescription and binding agent;
D), above mixture is carried out granulation on comminutor;
E), above shot-like particle is dried;
F), promptly obtain diniconazole water dispersible granule after the shot-like particle after will drying sieves.
The diniconazole water dispersible granule that adopts prescription of the present invention to process, its implementation result shows, this product has good dispersiveness, working substance suspension in indefinite duration, disintegration rate is fast, disintegration time is short, heat storage stability is good, the present invention's bactericidal potency height in production application, wheat powdery mildew, apple rust, pear scab, vegetables powdery mildew bacteria-treating effect are all reached more than 88%, crops are not had poisoning.
Among the present invention owing to added the auxiliary agent of heterogeneity, so that the present invention has the active component content height, disintegration rate is fast, dispersive property good, good fluidity, heat storage property are stable; Be convenient to the advantages such as storage, transportation and environmental pollution are little, in use bactericidal potency height, security are good.

Claims (1)

1. diniconazole water dispersible granule, it is characterized in that it is grouped into by following one-tenth: 50 parts~500 parts of alkene azoles alcohol 700-780 parts, wetting agent 20-40 part, dispersant 20-60 part, disintegrant 30-80 part, adsorbent 10-30 part, adhesive 10-50 part, stabilizing agent 10-40 part, filler;
Described wetting agent is selected from: aliphatic alcohol sulfate, alkyl sulfate, alkylol polyoxyethylene groups ether sodium sulfate, alkylphenol-polyethenoxy base ether sodium sulfate, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate; A kind of in sodium alkyl sulfonate, alkylbenzenesulfonate, alkylnaphthalene sulfonate, dialkyl succinylsuccinate sulfonate, monoalkyl phenyl polyoxyethylene groups ether succinic acid sodium sulfonate, fatty alcohol ethylene oxide adduct sulfonate, alkylphenol formaldehyde condensation product ethylene oxide adduct sulfonate, the alkyl amide taurate;
Described dispersant is selected from: aliphatic alcohol polyethenoxy base ether, alkylphenol-polyethenoxy base ether, 602,1601,1602 a kind of;
Described disintegrant is selected from: ammonium sulfate, anhydrous sodium sulfate, calcium chloride, bentonite, polyethyl acrylate a kind of;
Described adsorbent is selected from: diatomite, attapulgite, white carbon, No. 45, lignin, bentonite a kind of;
Described adhesive is selected from: gelatin, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol, starch a kind of;
Described stabilizing agent is selected from: sodium hydrogen phosphate, succinic acid, adipic acid, oxalic acid, borax a kind of;
Described filler is selected from: kaolin, precipitated calcium carbonate, bentonite, anhydrous sodium sulfate a kind of.
CN2007101955490A 2007-12-07 2007-12-07 Diniconazole water dispersible granule and preparation method thereof Expired - Fee Related CN101167461B (en)

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Application Number Priority Date Filing Date Title
CN2007101955490A CN101167461B (en) 2007-12-07 2007-12-07 Diniconazole water dispersible granule and preparation method thereof

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CN101167461B true CN101167461B (en) 2011-04-13

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CN103263871A (en) * 2013-05-31 2013-08-28 滁州市润达溶剂有限公司 Water-soluble diffusion agent
JP7060465B2 (en) * 2017-11-24 2022-04-26 花王株式会社 Surfactant composition for emulsion polymerization

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Effective date of registration: 20170109

Address after: 715500 Shaanxi Pucheng County agricultural base industrial park

Patentee after: Shaanxi Meibang Pesticides Co., Ltd.

Address before: 715500 Pucheng province Shaanxi County Chengguan Town Food City Street No. 23

Patentee before: Zhang Shaowu

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Granted publication date: 20110413

Termination date: 20171207