CN102326581A - Emulsible triazophos granule and preparation method thereof - Google Patents
Emulsible triazophos granule and preparation method thereof Download PDFInfo
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- CN102326581A CN102326581A CN201110129706A CN201110129706A CN102326581A CN 102326581 A CN102326581 A CN 102326581A CN 201110129706 A CN201110129706 A CN 201110129706A CN 201110129706 A CN201110129706 A CN 201110129706A CN 102326581 A CN102326581 A CN 102326581A
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- hostathion
- emulsifier
- water
- triazophos
- carrier
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Abstract
The invention relates to a pesticide, and concretely relates to an emulsible triazophos granule and a preparation method thereof. The granule comprises the following raw materials, by weight, 20-60% of triazophos, 8-12% of an emulsifier, 8-12% of a water-soluble polymer, and the balance a carrier. The preparation method comprises the following steps: 1, uniformly mixing triazophos with the emulsifier, adding mixed triazophos to an aqueous solution of the water-soluble polymer, and uniformly mixing to obtain a viscous emulsion; 2, adding the carrier to the viscous emulsion to obtain a pre-granulation mixture; and 3, granulating and drying. The granule of the invention which has a quick and lasting result allows the superior effect to be maintained for a long term; and a highly efficient result can be obtained with a low concentration, and a same bactericidal effect can be reached with a small dosage of triazophos.
Description
Technical field
The present invention relates to a kind of agricultural chemical insecticide, but but be specifically related to the preparation method of a kind of Hostathion emulsification granula and Hostathion emulsification granula.
Background technology
Hostathion is a kind of medium poison, the organophosphorus insecticide of wide spectrum, miticide, nematocide; Have strong tagging and stomach poison function; Good disinsection effect, ovicidal action is obvious, and permeability is stronger; No systemic action is mainly used in lepidoptera pest, evil mite, fly larvae and soil insect etc. on control fruit tree, cotton, the grain class crop.
At present; Hostathion commonly used has formulations such as microemulsion, aqueous emulsion, missible oil, aqueous emulsion, curing microemulsion; These formulations all have deficiency at aspects such as quick-acting, lasting effect, the feature of environmental protection, have the not good problem of drug effect, need to use heavy dose of Hostathion just can reach the purpose of sterilization.Wherein the used solvent of missible oil (EC) formulation mainly is aromatic hydrocarbon substances such as toluene and xylol, and not only contaminated environment has also been wasted a large amount of petroleum resources, does not meet the requirement and the trend of agricultural sustainable development.
Summary of the invention
Said defective above the objective of the invention is to be directed against, but provide that a kind of consumption is little, quick-acting, lasting effect, Hostathion emulsification granula that the feature of environmental protection is good.
But another object of the present invention provides a kind of preparation method of Hostathion emulsification granula.
The objective of the invention is to be achieved through following technical scheme.
But a kind of Hostathion emulsification granula is characterized in that, comprises the raw material of following weight portion: Hostathion 20-60%, and emulsifier 8-12%, water-soluble polymer 8-12%, surplus is a carrier.
Said Hostathion is a liquid.
Said emulsifier is selected from a kind of in nonionic and anion compounded surfactant, nonionic phosphate, the nonionic sulfuric ester.
Said water-soluble polymer is selected from a kind of in polyvinyl alcohol (PVA), sodium carboxymethylcellulose (CMC), the sodium carboxymethyl starch (CMS), is made into the aqueous solution by 1:8-12.
Said carrier is selected from a kind of in dextrin, sugar, urea, ammonium sulfate, glauber salt, carbonic hydroammonium, Sodium Benzoate, the soluble starch.
But a kind of preparation method of Hostathion emulsification granula; It is characterized in that; Earlier that Hostathion and emulsifier is even, mixed Hostathion is added in the aqueous solution of water-soluble polymer, mixes the emulsion that obtains thickness; Carrier is added in the emulsion of thickness again and obtain preparatory granulation mixture, last granulation is also dry.
The invention has the beneficial effects as follows: the present invention has following advantage: 1, have quick-acting and lasting effect, can keep long-term superior effect; 2, use low concentration just can obtain high effect, use the Hostathion of smaller dose just can reach same bactericidal effect; 3, said emulsifier has high HLB value; Be not easy to be saltoutd out; Said water-soluble polymer can keep colloidal stability in the preparation that solidifies; But can prepare the emulsification granula that contains the former medicine of a lot of liquid, said carrier is water-soluble, with the adsorbable a lot of liquid of the prilling process of rotation extrusion comminutor extrusion molding; 4, do not add organic solvent, add water emulsification fully during use, drug effect is superior to other formulation of identical effective ingredient; 5, compare with other aqueous emulsion liquid dosage form, do not need to add thickener, antifreezing agent again, reduced cost; And not needing shearing equipment, seepage can not take place in packing, compares with the curing microemulsion; Need be with disintegrant, dispersant has reduced the auxiliary agent cost; Do not need shearing equipment, be convenient to plant operations; 6, the particle body is convenient to packing and transportation.
Embodiment
Below in conjunction with embodiment the present invention is further specified.
but embodiment 1:20% Hostathion emulsification granula.
Liquid Hostathion 20%, emulsifier FS-7PG (this grease production of bamboo) 8%, water-soluble polymer polyvinyl alcohol (PVA) 8%, surplus is supplied for the carrier Sodium Benzoate.Earlier that Hostathion and emulsifier is even; Mixed Hostathion is added in the aqueous solution (PVA and water are made into the aqueous solution by 1:10) of 10% polyvinyl alcohol (PVA); Mix the emulsion that obtains thickness; Obtain preparatory granulation mixture in the emulsion with carrier Sodium Benzoate adding thickness again, last granulation is also dry.
but embodiment 2:30% Hostathion emulsification granula.
Liquid Hostathion 30%, emulsifier FS-7PG (this grease production of bamboo) 12%, water-soluble polymer sodium carboxymethylcellulose (CMC) 12%, surplus is supplied for the carrier Sodium Benzoate.Earlier that Hostathion and emulsifier is even; Mixed Hostathion is added in the aqueous solution (CMC and water are made into the aqueous solution by 1:8) of 8% sodium carboxymethylcellulose (CMC); Mix the emulsion that obtains thickness; Obtain preparatory granulation mixture in the emulsion with carrier Sodium Benzoate adding thickness again, last granulation is also dry.
but embodiment 3:40% Hostathion emulsification granula.
Liquid Hostathion 40%, emulsifier FS-7PG (this grease production of bamboo) 10%, water-soluble polymer sodium carboxymethyl starch (CMS) 10%, surplus is supplied for the carrier Sodium Benzoate.Earlier that Hostathion and emulsifier is even; Mixed Hostathion is added in the aqueous solution (CMS and water are made into the aqueous solution by 1:12) of 12% sodium carboxymethyl starch (CMS); Mix the emulsion that obtains thickness; Obtain preparatory granulation mixture in the emulsion with carrier Sodium Benzoate adding thickness again, last granulation is also dry.
but embodiment 4:50% Hostathion emulsification granula.
Liquid Hostathion 50%, emulsifier FS-7PG (this grease production of bamboo) 10%, water-soluble polymer polyvinyl alcohol (PVA) 10%, surplus is supplied for the carrier dextrin.Earlier that Hostathion and emulsifier is even; Mixed Hostathion is added in the aqueous solution (PVA and water are made into the aqueous solution by 1:10) of 10% polyvinyl alcohol (PVA); Mix the emulsion that obtains thickness; Obtain preparatory granulation mixture in the emulsion with carrier dextrin adding thickness again, last granulation is also dry.(the consumption of water-soluble polymer?)
but embodiment 5:60% Hostathion emulsification granula.
Liquid Hostathion 60%, emulsifier FS-7PG (this grease production of bamboo) 10%, water-soluble polymer polyvinyl alcohol (PVA) 10%, surplus is supplied for the carrier soluble starch.Earlier that Hostathion and emulsifier is even; Mixed Hostathion is added in the aqueous solution (PVA and water are made into the aqueous solution by 1:10) of 10% polyvinyl alcohol (PVA); Mix the emulsion that obtains thickness; Obtain preparatory granulation mixture in the emulsion with carrier soluble starch adding thickness again, last granulation is also dry.
are given birth to and are surveyed example: but Hostathion emulsification granula control rice-stem borer field control effectiveness test.
test objective.
Through field trial, but with the drug effect difference of data contrasts Hostathion emulsification granula and other formulation.
materials and methods.
1. handle medicament and consumption: 45 kilograms/mu of spouting liquids, medicament and mu dosage are following.
1) embodiment: but Hostathion emulsification granula 30 gram a.i/ mus.
2) 20% Hostathion EC, 30 gram a.i/ mus.
2. effect statistical method.
Lethality (%)=dead borer population/total borer population * 100%.
result and analysis.
Table one: four days survey data tables behind the medicine.
On look unfamiliar and survey the result show that embodiment compares with missible oil, microemulsion, aqueous emulsion, curing micro-emulsion form on efficacy, quick-acting and lasting effect are obvious, use the dosage of half just can obtain the effect same with other formulation.
Claims (6)
1. but Hostathion emulsification granula is characterized in that: the raw material that comprises following weight portion: Hostathion 20-60%, and emulsifier 8-12%, water-soluble polymer 8-12%, surplus is a carrier.
2. but a kind of Hostathion emulsification granula according to claim 1, it is characterized in that: said Hostathion is a liquid.
3. but a kind of Hostathion emulsification granula according to claim 1 is characterized in that: said emulsifier is selected from a kind of in nonionic and anion compounded surfactant, nonionic phosphate, the nonionic sulfuric ester.
4. but a kind of Hostathion emulsification granula according to claim 1 is characterized in that: said water-soluble polymer is selected from a kind of in polyvinyl alcohol, sodium carboxymethylcellulose, the sodium carboxymethyl starch, is made into the aqueous solution by 1:8-12.
5. but a kind of Hostathion emulsification granula according to claim 1 is characterized in that: said carrier is selected from a kind of in dextrin, sugar, urea, ammonium sulfate, glauber salt, carbonic hydroammonium, Sodium Benzoate, the soluble starch.
6. but the described a kind of Hostathion emulsification granula of claim 1; It is characterized in that: but a kind of preparation method of Hostathion emulsification granula is characterized in that elder generation is even with Hostathion and emulsifier; Mixed Hostathion is added in the aqueous solution of water-soluble polymer; Mix the emulsion that obtains thickness, carrier is added in the emulsion of thickness obtain preparatory granulation mixture again, last granulation is also dry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110129706A CN102326581A (en) | 2011-05-18 | 2011-05-18 | Emulsible triazophos granule and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110129706A CN102326581A (en) | 2011-05-18 | 2011-05-18 | Emulsible triazophos granule and preparation method thereof |
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| CN102326581A true CN102326581A (en) | 2012-01-25 |
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| CN201110129706A Pending CN102326581A (en) | 2011-05-18 | 2011-05-18 | Emulsible triazophos granule and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063794A (en) * | 1991-02-06 | 1992-08-26 | 赫彻斯特股份公司 | New plant protection product |
| CN102037970A (en) * | 2011-01-25 | 2011-05-04 | 青岛瀚生生物科技股份有限公司 | Pesticide formulation containing pyrithiobac-sodium |
-
2011
- 2011-05-18 CN CN201110129706A patent/CN102326581A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063794A (en) * | 1991-02-06 | 1992-08-26 | 赫彻斯特股份公司 | New plant protection product |
| CN102037970A (en) * | 2011-01-25 | 2011-05-04 | 青岛瀚生生物科技股份有限公司 | Pesticide formulation containing pyrithiobac-sodium |
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Application publication date: 20120125 |