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CN1072890C - Effervescence farm-chemical composition and production method thereof - Google Patents

Effervescence farm-chemical composition and production method thereof Download PDF

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Publication number
CN1072890C
CN1072890C CN99100168A CN99100168A CN1072890C CN 1072890 C CN1072890 C CN 1072890C CN 99100168 A CN99100168 A CN 99100168A CN 99100168 A CN99100168 A CN 99100168A CN 1072890 C CN1072890 C CN 1072890C
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farm
chemical composition
acid
effervescence
methyl
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CN99100168A
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CN1234176A (en
Inventor
李建中
李冬梅
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Research Center for Eco Environmental Sciences of CAS
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Research Center for Eco Environmental Sciences of CAS
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Abstract

泡腾农药组合物是用于病虫综合防治的新剂型，本发明前所用剂型多为液、固相的大包装产品，使用不方便，易造成农药的堆积和浪费，该发明所包括的配方分别由不同的农药活性成分、泡腾剂、填料、分散剂、湿润剂和崩解剂及比重调节剂组成，其中比重调节剂种类和用量决定了该颗粒在水中的漂浮特性，这种特性可保证原药在水中充分分散，这种颗粒剂可通过常规造粒工艺制造，具有用药计量准确，包装体积小，使用、贮藏、运输方便等特点。The effervescent pesticide composition is a new dosage form used for the integrated prevention and control of diseases and insect pests. The dosage forms used before the present invention are mostly liquid and solid-phase large-package products, which are inconvenient to use and easily cause the accumulation and waste of pesticides. The formula included in the invention They are composed of different pesticide active ingredients, effervescent agents, fillers, dispersants, wetting agents, disintegrating agents and specific gravity regulators. The type and amount of specific gravity regulators determine the floating characteristics of the particles in water. This characteristic can be To ensure that the original drug is fully dispersed in water, this granule can be manufactured by conventional granulation process, which has the characteristics of accurate dosage, small packaging volume, convenient use, storage and transportation.

Description

Effervescence farm-chemical composition and production method thereof
The present invention relates to a kind of effervescence farm-chemical composition that is used for the extermination of disease and insect pest, particularly effervescent.
The packing that present domestic most Pesticidal products are pressed powder or liquid, packing, preservation, use are very inconvenient, make granule and then can address the above problem well, make effervescent granule is dissolved more apace.
CN1069850A discloses a kind of tablet that is used for the agrochemistry of paddy field, and it comprises pesticide activity component, effervescent agent, water-soluble polymer and waterproofing agent; CN1074083A discloses a kind of tablet formulation that contains internal desiccant, and it comprises pesticide activity component, effervescent agent, dispersant, wetting agent, disintegrant and internal desiccant.
The present invention provides a kind of method that contains the effervescent agricultural chemicals of proportion conditioning agent, compare with pulvis, liquor have packing, preservation, the more convenient characteristics of use, and moisture absorption is decomposed slow in air, but after in the input water again very easily disintegration dissolve, discharge active principle, do not influence result of use.
The invention provides effervescence farm-chemical composition, particularly a kind of effervescent, it comprises agricultural chemicals, effervescent agent, dispersant, wetting agent, disintegrant, proportion conditioning agent and filler.Its solvent consists of:
(ⅰ) agricultural chemicals of about 0.05-80%;
(ⅱ) decentralized system of about 20-99.95% wherein specifically consists of:
(a) the solid, water soluble acidic materials of about 5-75%;
(b) carbonate of about 5-75% or bicarbonate or its mixture;
(c) dispersant of about 0.5-20%;
(d) wetting agent of about 0.1-5%;
(e) disintegrant of about 0.1-5%;
(f) the proportion conditioning agent of about 1-10%;
(g) filler of about 1-80%.
Said composition preferably contains the pesticide activity component of 2.5-65%, particularly 7-55% and the decentralized system of preferred 25-90%, particularly 30-80%.
Agricultural chemicals is meant insecticide, bactericide and nematocide, weed killer herbicide and plant growth regulator and composition thereof, specifically comprise: dichlorvos, chlorophos, nuvacron, parathion, parathion-methyl, phoxim, isocarbophos, Hostathion, acephatemet, omethoate, Rogor, thimet, Profenofos, terbufos, Mobucin, Bassa, carbofuran, Aphox, Methomyl, granville carbosulfan, 5a,6,9,9a-hexahydro-6,9-methano-2,4, dimehypo, the desinsection list, tetramethrin, allethrin, Prallethrin, methothrin, mosquito-killing chrysanthemum ester, permethrin, fenpropathrin, valerate, sumicidin, cypermethrin, decis, Buprofezin, Imidacloprid, young urea goes out, dicofol, pyridaben, Phosalone, cyfloxylate, tmtd, mancozeb, kitazine, iprobenfos, pcnb, tpn, thiophanate-methyl, carbendazim, Seedvax, triazolone, tricyclazole, procymidone, dimethachlon, Isoprothiolane, prochloraz, 2, the 4-d butyl ester, 2 first, 4 chlorine, alachlor, Acetochlor, butachlor, glyphosate, atrazine, the benzyl ethyl methyl, pyrazosulfuron, ethyl methyl, tribenuron-methyl, dichloro quinolinic acid, heteroauxin, mefenacet, triacontanol, alar-85, chlormequat, methyl, brassin lactones, paclobutrazol, uniconazole P, dicamba, bacillus thuringiensis,Bt, nucleopolyhedrosis virus, Avermectin, jinggangmeisu, gibberellin, tetramethrin, fenthion, diflubenzuron, chlopyrifos, fluorine bell urea, efficient cis-, trans-cypermethrin, Isofenphos methyl, meta-tolyl-N-methylcarbamate (MTMC), speed is killed sulphur phosphorus, orthene, press down the food hydrazine, Resistox, triaguron, bladex, Stam F-34, diuron, the oxazole spirit, diclofop-methyl, hexazinone, metsulfuron-methyl, quizalofop-ethyl, chlorine sulphur is grand, chlorimuronethyl, Imazethapyr, bentazone, prometryn, acifluorfen, anilofos, penta sodium pentachlorophenate, Simanex, difenzoquat, isoproturon, clomazone, zineb, Wakil, metalaxyl, octicin solution, sulphur, copper sulphate, pesticide corrosion 120, nitrile bacterium azoles, Buprofezin, pentachlorophenol, alkene azoles alcohol, the bromine bacterium is clear, iprodione, fenbutatin oxide, pyridaben, dicofol, azacyclotin, four mite piperazines, brofluthrinate, 2, the 4-D sodium salt, compound sodium nitrophenolate, mepiquate chloride, α-Nai Yisuan.
Effervescent agent is the compound of a carbonate or bicarbonate and solid, water soluble acidic materials.In the aqueous medium that does not use effervescent agent, actual can not the acquisition of the tablet of water-fast active component decomposed rapidly basically.The saline and alkaline reaction of organic acid plus carbonate or bicarbonate provides the carbon dioxide gas that helps in this respect.Carbonate or bicarbonate are meant carbonate or bicarbonate or its mixture of ammonium, lithium, sodium or potassium; The solid, water soluble acidic materials, inorganic acid material or organic acid all can.The inorganic acid material includes but not limited to: phosphate or acid condensed phosphate, organic acid include but not limited to carboxylic acid or contain oxycarboxylic acid, as oxalic acid, succinic acid, adipic acid, fumaric acid, tartaric acid, Citric acid, malic acid, gluconic acid or maleic acid.
Adding dispersant is for particle or the missible oil that makes the active component that forms in the granule disintegrating procedue still keeps released state in cold hard water, thereby is easy to form dispersion liquid and suspension, available anionic dispersing agents or non-ionic dispersing agent.Anionic dispersing agents includes but not limited to alkylsulfonate, two (alkyl) naphthalene sulfonic acids first vinegar salt of composition, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkyl naphthalene sulfonic acid formaldehyde condensation products etc. that contracts; Non-ionic dispersing agent includes but not limited to alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether and fatty acid amide APEO, polyoxyethylene carboxylate, vegetable oil ethylene oxide adduct and derivative naphthalene sulfonic acid-formaldehyde condensation product ammonium salt etc.
Wetting agent can reduce the surface tension between bubble and the solid particle agent, thus form be easy to shift out from the granule surface than minute bubbles; When spraying, can increase pastille liquid again to handling the contact of the object surface of solids, make the wetting or acceleration wet processes of its energy.It comprises anionic or nonionic surface active agent, and it comprises and is not limited to alkyl sulfate, alkylsulfonate, alkylaryl sulfonate, alkylphosphonate, polyoxyethylene alkyl ether, polyoxyethylene alkyl aryl ether, poly-(alkylidene) glycol or ligninsulfonate diisobutyl sulfonic acid sodium succinate.
Disintegrant makes water become swelling action to infiltrate in the granule by wicking, can include but not limited to polyvinylpyrrolidone, sodium carboxymethylcellulose, hydroxypropyl cellulose and the water-soluble conventional tablet disintegrant of energy.Common starch or cellulose base disintegrant are unsuitable for spraying, because they generally form gel on 50 order nozzles sieve, directly sow but can be used for paddy rice.In addition, also can use water-fast crosslinked polyvinylpyrrolidone.
The proportion conditioning agent can be selected for use by the required of reality, and with the proportion of control tablet, purpose is the purposes according to different granules, selects to be manufactured on the granule of the different floatation characteristics of tool in the water.As the floating particle agent that paddy field can be selected low-gravity (less than 1) for use with weed killer herbicide, then selecting for use of generally being used to spray can sink to water-bed big proportion granule (proportion is greater than 1).Can select for use the proportion conditioning agent to be divided into two classes, a class is a mineral filler, and it includes but not limited to clay and talcum powder, and another kind of is the foaming organic polymer, and it includes but not limited to wood chip and polystyrene.
Packing agent mainly comprises the carrier of the former medicine of adsorbable liquid, and it includes but not limited to white carbon, diatomite, bentonite, precipitated calcium carbonate, clay, talcum powder, kaolin etc.
Granulation adopts conventional prilling to realize that these technologies include but not limited to extruder grain, cylinder granulation etc.Mixture should be handled through super-dry before granulation, makes water content less than 0.5%.
The preparation method of composition pesticide
Formula components is generally for example ground in gas grinding machine or the hammer-mill in grinder and is mixed, and is extruder grain then, plastics package.
Embodiment 1
Constituent concentration, wt.%
Carbosulfan 3.0
Citric acid 10.0
Sodium bicarbonate 25.0
The ammonium salt 6.0 of naphthalene sulfonic acids-formaldehyde condensation products
Polyvinylpyrrolidone 1.0
Diisobutyl sodium sulfosuccinate 1.0
Diatomite 54.0
Embodiment 2
Constituent concentration, wt.%
Pyridaben 15.0
Citric acid 10.0
Sodium bicarbonate 25.0
The ammonium salt 6.0 of naphthalene sulfonic acids-formaldehyde condensation products
Polyvinylpyrrolidone 1.0
Diisobutyl sodium sulfosuccinate 1.0
Precipitated calcium carbonate 42.0
Embodiment 3
Constituent concentration, wt.%
Butachlor 4.8
Bensulfuron-methyl 0.2
Citric acid 10.0
Sodium bicarbonate 25.0
The ammonium salt 6.0 of naphthalene sulfonic acids-formaldehyde condensation products
Polyvinylpyrrolidone 1.0
Diisobutyl sodium sulfosuccinate 1.0
Precipitated calcium carbonate 52.0
Embodiment 4
Constituent concentration, wt.%
Mefenacet 11.2
Bensulfuron-methyl 0.5
Citric acid 10.0
Sodium bicarbonate 25.0
The ammonium salt 6.0 of naphthalene sulfonic acids-formaldehyde condensation products
Polyvinylpyrrolidone 1.0
Diisobutyl sodium sulfosuccinate 1.0
Precipitated calcium carbonate 45.3
Embodiment 5
Constituent concentration, wt.%
Metsulfuron-methyl 0.2
Acetochlor 14.7
Bensulfuron 0.1
Citric acid 10.0
Sodium bicarbonate 25.0
The ammonium salt 6.0 of naphthalene sulfonic acids-formaldehyde condensation products
Polyvinylpyrrolidone 1.0
Diisobutyl sodium sulfosuccinate 1.0
Precipitated calcium carbonate 41.0
Physical parameter measurement
Table 1 effervescence farm-chemical composition disperses the physical parameter measurement result in water
The experimental group compound Foam degrees * Foamed time (branch) Suspensibility % ** Dispersity ***
After the preparation at once Stored 14 days for 55 ℃ After the preparation at once Stored 14 days for 55 ℃ After the preparation at once Stored 14 days for 55 ℃ The 20cm height The 100cm height
After the preparation at once Stored 14 days for 55 ℃ After the preparation at once Stored 14 days for 55 ℃
Embodiment 1 embodiment 2 embodiment 3 embodiment 4 embodiment 5 In big-and-middle greatly In big-and-middle greatly 8 9 11 10 9 9 8 11 10 10 95 90 91 87 92 91 87 85 84 83 + + + + + + + + + + + + + + + + + + + +
Annotate: *Foaming degree is by large, medium and small, no level Four branch.
*Suspensibility refers to the average suspensibility of former medicine.
* *Dispersity evenly is+, be not-.

Claims (19)

1. an effervescence farm-chemical composition is characterized in that, it is made of pesticide activity component and effervescent agent, proportion conditioning agent, dispersant, wetting agent, disintegrant and filler, and it basic composition is:
(ⅰ) agricultural chemicals of 0.05-80%;
(ⅱ) decentralized system of 20-99.95% specifically consists of:
(a) the solid, water soluble acidic materials of 5-75%:
(b) carbonate of 5-75% or bicarbonate or its mixture;
(c) anion of 0.5-20% or non-ionic dispersing agent;
(d) anion of 0.1-5% or nonionic wetting agent;
(e) disintegrant of 0.1-5%;
(f) the proportion conditioning agent of 1-10%;
(g) filler of 1-80%.
2. by the described effervescence farm-chemical composition of claim 1, pesticide activity component wherein is insecticide, bactericide, nematocide, weed killer herbicide and plant growth regulator and the mixture that combined by single agent thereof.
3. by the described effervescence farm-chemical composition of claim 2, wherein pesticide activity component is selected from following: dichlorvos, chlorophos, nuvacron, parathion, parathion-methyl, phoxim, isocarbophos, Hostathion, acephatemet, omethoate, Rogor, thimet, Profenofos, terbufos, Mobucin, Bassa, carbofuran, Aphox, Methomyl, granville carbosulfan, 5a,6,9,9a-hexahydro-6,9-methano-2,4, dimehypo, the desinsection list, tetramethrin, allethrin, the fast chrysanthemum ester of alkene, methothrin, mosquito-killing chrysanthemum ester, permethrin, fenpropathrin, valerate, cyanogen penta chrysanthemum enzyme, cypermethrin, decis, Buprofezin, Imidacloprid, young urea goes out, dicofol, pyridaben, Phosalone, cyfloxylate, tmtd, mancozeb, kitazine, iprobenfos, pcnb, tpn, thiophanate-methyl, carbendazim, Seedvax, triazolone, tricyclazole, procymidone, dimethachlon, Isoprothiolane, prochloraz, 2, the 4-d butyl ester, 2 first, 4 chlorine, alachlor, Acetochlor, butachlor, mefenacet, glyphosate, atrazine, the benzyl ethyl methyl, pyrazosulfuron, ethyl methyl, tribenuron-methyl, dichloro quinolinic acid, heteroauxin, triacontanol, alar-85, chlormequat, methyl, brassin lactones, paclobutrazol, uniconazole P, dicamba, bacillus thuringiensis,Bt, nucleopolyhedrosis virus, Avermectin, jinggangmeisu, gibberellin, tetramethrin, fenthion, diflubenzuron, chlopyrifos, fluorine bell urea, efficient along anti-chlorine permethrin, Isofenphos methyl, the speed relative of going out, speed is killed sulphur phosphorus, orthene, press down the food hydrazine, Resistox, triaguron, bladex, Stam F-34, diuron, the oxazole spirit, diclofop-methyl, hexazinone, metsulfuron-methyl, quizalofop-ethyl, chlorine sulphur is grand, chlorimuronethyl, Imazethapyr, bentazone, prometryn, acifluorfen, anilofos, penta sodium pentachlorophenate, Simanex, difenzoquat, isoproturon, clomazone, zineb, Wakil, metalaxyl, octicin solution, sulphur, copper sulphate, pesticide corrosion 120, nitrile bacterium azoles, Buprofezin, pentachlorophenol, alkene azoles alcohol, the bromine bacterium is clear, iprodione, fenbutatin oxide, pyridaben, dicofol, azacyclotin, four mite a kind of cicada mentioned in ancient books, bromine chrysanthemum ester, 2, the 4-D sodium salt, compound sodium nitrophenolate, mepiquate chloride and α-Nai Yisuan.
4. by the described effervescence farm-chemical composition of claim 3, wherein pesticide activity component is selected from following: carbosulfan, pyridaben, butachlor, mefenacet, metsulfuron-methyl, Acetochlor and bensulfuron.
5. by the described effervescence farm-chemical composition of claim 1, wherein, effervescent agent is the mixture of carbonate or bicarbonate and solid, water soluble acidic materials.
6. by the described effervescence farm-chemical composition of claim 5, wherein, carbonate or bicarbonate are selected from carbonate or bicarbonate or its mixture of ammonium, lithium, sodium or potassium.
7. by the described effervescence farm-chemical composition of claim 5, wherein, the solid, water soluble acidic materials are inorganic acid material or organic acid.
8. by the described effervescence farm-chemical composition of claim 7, wherein, inorganic acid is selected from phosphate or acid condensed phosphate, and organic acid is selected from oxalic acid, succinic acid, adipic acid, fumaric acid, tartaric acid, citric acid, malic acid, gluconic acid or maleic acid.
9. by the described effervescence farm-chemical composition of claim 1, wherein, anionic dispersing agents is selected from alkylnaphthalene sulfonate, two (alkyl) naphthalene sulfonic acid-formaldehyde condensation product, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, the ammonium salt of naphthalene sulfonic acid-formaldehyde condensation product and the salt of alkyl naphthalene sulfonic acid formaldehyde condensation products; Non-ionic dispersing agent is selected from alkylphenol polyoxyethylene, aliphatic amine polyoxyethylene ether and fatty alcohol amine APEO, polyoxyethylene carboxylate and vegetable oil ethylene oxide adduct and derivative.
10. by the described effervescence farm-chemical composition of claim 9, wherein, dispersant is selected from the salt of two (alkyl) naphthalene sulfonic acid-formaldehyde condensation products, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, naphthalene sulfonic acid-formaldehyde condensation product ammonium salt and alkyl naphthalene sulfonic acid formaldehyde condensation products.
11. by the described effervescence farm-chemical composition of claim 1, wherein, wetting agent is selected from alkyl sulfate, alkylsulfonate, alkylaryl sulfonate, alkylphosphonate, polyoxyethylene alkyl ether, polyoxyethylene alkyl aryl ether, poly-(alkylidene) glycol or lignosulfonates and diisobutyl sodium sulfosuccinate.
12. by the described effervescence farm-chemical composition of claim 1, wherein, disintegrant is polyvinylpyrrolidone, sodium carboxymethylcellulose, hydroxypropyl cellulose and the water-soluble conventional tablet disintegrant of energy.
13. by the described effervescence farm-chemical composition of claim 1, wherein, filler is selected from following tiny mineral powder or water-soluble filler: clay, talcum powder, diatomite, calcium carbonate, urea, ammonium sulfate, sodium sulphate, sucrose, glucose or dextrin, polyethylene glycol.
14. by the described effervescence farm-chemical composition of claim 1, wherein, the proportion conditioning agent is the inert substance that can regulate effervescence farm-chemical composition proportion.
15. by the arbitrary described effervescence farm-chemical composition of claim 1 to 14, wherein, dispersant is selected from the ammonium salt of naphthalene sulfonic acids one formaldehyde condensation products, wetting agent is selected from the diisobutyl sodium sulfosuccinate.
16. the effervescence farm-chemical composition by claim 1 is characterized in that it is made of pesticide activity component and effervescent agent, proportion conditioning agent, dispersant, wetting agent, disintegrant and filler, it basic composition is:
(ⅰ) agricultural chemicals of 0.05-80%;
(ⅱ) decentralized system of 20-99.95% specifically consists of:
(a) citric acid of 5-75%;
(b) sodium bicarbonate of 5-75%;
(c) ammonium salt of naphthalene sulfonic acids one formaldehyde condensation products of 0.5-20%;
(d) the diisobutyl sodium sulfosuccinate of 0.1-5%;
(e) polyvinylpyrrolidone of 0.1-5%;
(f) the proportion conditioning agent of 1-10%;
(g) filler of 1-80%.
17. by the described effervescence farm-chemical composition of claim 16, wherein pesticide activity component is selected from following: carbosulfan, pyridaben, butachlor, mefenacet, metsulfuron-methyl, Acetochlor and bensulfuron.
18. by the described effervescence farm-chemical composition of claim 1, wherein, composition is meant arbitrary polygon tablet, sphere, ellipse or arbitrary polyhedron granula.
19. preparation is characterized in that by the method for the described pesticide effervescence combination of claim 1 described method is extruder grain, cylinder granulation.
CN99100168A 1999-01-15 1999-01-15 Effervescence farm-chemical composition and production method thereof Expired - Fee Related CN1072890C (en)

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Publication number Priority date Publication date Assignee Title
JPH04273802A (en) * 1991-02-28 1992-09-30 Nippon Soda Co Ltd Tabletlike foaming agricultural chemical composition
JPH05155720A (en) * 1991-12-02 1993-06-22 Japan Carlit Co Ltd:The Herbicidal composition for paddy field
JPH05155710A (en) * 1991-12-02 1993-06-22 Japan Carlit Co Ltd:The Paddy herbicide composition
EP0565354A1 (en) * 1992-04-08 1993-10-13 Sumitomo Chemical Company, Limited Pesticidal composition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04273802A (en) * 1991-02-28 1992-09-30 Nippon Soda Co Ltd Tabletlike foaming agricultural chemical composition
JPH05155720A (en) * 1991-12-02 1993-06-22 Japan Carlit Co Ltd:The Herbicidal composition for paddy field
JPH05155710A (en) * 1991-12-02 1993-06-22 Japan Carlit Co Ltd:The Paddy herbicide composition
EP0565354A1 (en) * 1992-04-08 1993-10-13 Sumitomo Chemical Company, Limited Pesticidal composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11944091B2 (en) 2016-12-07 2024-04-02 Adama Makhteshim Ltd. Stable, self-dispersible, low foaming solid pesticide formulation

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