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CN1278609C - Thiophthanate methyl water dispersible granular agent and its formula - Google Patents

Thiophthanate methyl water dispersible granular agent and its formula Download PDF

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Publication number
CN1278609C
CN1278609C CN 200410026344 CN200410026344A CN1278609C CN 1278609 C CN1278609 C CN 1278609C CN 200410026344 CN200410026344 CN 200410026344 CN 200410026344 A CN200410026344 A CN 200410026344A CN 1278609 C CN1278609 C CN 1278609C
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CN
China
Prior art keywords
sodium
agent
methyl
thiophanate
thiophthanate
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Expired - Fee Related
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CN 200410026344
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Chinese (zh)
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CN1596648A (en
Inventor
郑敬敏
王同斌
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Shaanxi Sunger Road Bio Science Co Ltd
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Shaanxi Sunger Road Bio Science Co Ltd
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Priority to CN 200410026344 priority Critical patent/CN1278609C/en
Publication of CN1596648A publication Critical patent/CN1596648A/en
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Publication of CN1278609C publication Critical patent/CN1278609C/en
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Abstract

The present invention discloses an agricultural use bactericide, particularly a thiophthanate-methyl water dispersion granular agent and a formulation. The thiophthanate methyl water dispersion granular agent of the present invention has regularly or irregularly granular shape, and the formulation comprises the components according to the percentage by weight: 40 to 80% of thiophthanate-methyl raw powder, 2 to 8% of wetting agent, 3 to 10% of dispersion agent, 3 to 8% of disintegrating agent, 5 to 40% of diluting agent and 2 to 10% of binding agent; the components in the formulation are mixed and stirred for uniformity and pulverized; thus, the mother powder is prepared; the mother powder and binding agent are uniformly mixed, granulated, dried and sieved; thus, the thiophthanate-methyl water dispersion granular agent is prepared. The thiophthanate-methyl water dispersion granular agent overcomes the disadvantages of suspending agents and wettable powder; in preparation and use processes, the present invention reduces the use cost of peasants and environment pollution. Because auxiliary agents with different components are added, the present invention has the advantages of high content of active components, small environment pollution, quick disintegration speed, good dispersion property, stable heat storage property, high bactericidal effect and good safety in use, etc.

Description

A kind of thiophanate-methyl water-dispersible granules
Technical field
The present invention relates to a kind of disinfectant use in agriculture, particularly thiophanate-methyl water-dispersible granules and component content thereof.
Background technology
At present, disinfectant use in agriculture is a lot, and thiophanate-methyl is wherein a kind of.It has the bactericidal activity height, and security performance is good, the characteristics that fungicidal spectrum is wide.But the former powder of thiophanate-methyl is made generally in wetting powder in using at present and suspending agent uses.Because wetting powder dust pollution in processing and use is serious, and environment and health are had very big harm, and shortcomings such as effective rate of utilization is low, lasting period weak point, therefore be the formulation that falls behind and be on the verge of to eliminate relatively in the present formulations of pesticide; Though suspending agent is the environmental protection preparation, high to the process conditions requirement aborning, can not realize the preparation of high-load at present, and its production, packing and cost of transportation are also higher, thereby cause the increase of production and use cost.
Summary of the invention
Purpose of the present invention is exactly in order to overcome the environmental pollution that exists in the prior art, to be detrimental to health and shortcoming such as use cost height and a kind of high-load of developing, environment-friendly type, availability height, and thiophanate-methyl water-dispersible granules and component content thereof easy to use.Water-dispersible granules is to grow up on the basis of wetting powder and suspending agent, this formulation has overcome the shortcoming of suspending agent and wetting powder, had both the low advantage of environmental protection and use cost, in processing and use, having reduced the pollution of environment and reduced peasant's use cost, is a main trend of present pesticidal preparations formulation development.
The objective of the invention is to be realized that by following technical scheme the active ingredient of thiophanate-methyl water-dispersible granules is thiophanate-methyl, it is characterized in that this granula is rule or irregular particle shape, its component content is by percentage to the quality:
The former powder of thiophanate-methyl: 40%~80%;
Wetting agent: 2%~8%,
Dispersant: 3%~10%,
Disintegrant: 3%~8%,
Thinner: 5%~40%,
Binding agent: 2%~10%.
Wherein:
Wetting agent can be a kind of of phenethyl phenol polyethenoxy ether condensation product, alkylphenol polyoxyethylene formaldehyde condensation products, sodium alkyl benzene sulfonate, sodium alkyl sulfate, alkyl phosphoric acid sodium, phenethyl phenol polyethenoxy ether sodium sulfate and alkylphenol-polyethenoxy base sodium sulphate;
Dispersant can be Fluhyzon formaldehyde condensation products sodium sulfonate, alkylphenol formaldehyde condensation product sodium sulphate, sodium lignin sulfonate, a kind of to methoxyl group fatty acyl amido benzene sulfonic acid sodium salt, polycarboxylic acids sodium;
Disintegrant can be a kind of of bentonite, Attapulgite, starch, inorganic sodium, white carbon and silica gel;
Thinner can be a kind of of kaolin, precipitated calcium carbonate, diatomite, potter's clay, white clouds tin soil;
Binding agent can be that binding agent is a kind of of denaturated sodium polyacrylate 80, No. 72, polyethylene glycol, No. 3, modified polyvinyl alcohol, No. 45, lignin, No. 54, lignin, modified polyacrylic acid sodium 50.
Owing to added the auxiliary agent of heterogeneity, make the present invention have the active component content height among the present invention, environmental pollution is little, and disintegration rate is fast, and dispersive property reaches heat storage steady performance well, bactericidal potency height in use, and safety is good.
Description of drawings
Accompanying drawing is preparation method's of the present invention process chart.
Embodiment
The present invention will be described in more detail below in conjunction with drawings and Examples:
Embodiment 1
Take by weighing the former powder 72% of thiophanate-methyl, wetting agent phenethyl phenol polyethenoxy ether formaldehyde 3%, dispersant sodium lignin sulfonate 6%, sodium sulphate 5%, thinner precipitated calcium carbonate 8%, it is pressed conventional method mix, after stirring, obtain female powder through the airslide disintegrating mill pulverizing, the binding agent denaturated sodium polyacrylate 80 of female powder and 6% is mixed, granulation then, oven dry, sieving obtains about 96% 70% thiophanate-methyl water-dispersible granules.Through the check active constituent content is 70.8%, moisture≤2.5%, and pH value 7.1, screening (by 75 μ m sieve) 〉=98%, suspensibility 〉=65%, lasting foaming characteristic (1min)≤10mL, wetability≤1min, dust≤3.0%, the acceleration heat storage stability is qualified.Being used to prevent and treat apple tree spot defoliation dosage in force is 700~875mg/kg, and control efficiency is 78~98%.
Embodiment 2
Take by weighing the former powder 73% of thiophanate-methyl, wetting agent sodium methylene bis-naphthalene sulfonate 4%, dispersant polycarboxylic acids sodium 5%, disintegrant white carbon 6%, thinner diatomite 8%, after it is mixed, pulverize through airslide disintegrating mill and to obtain female powder, No. 72 binding agents of polyethylene glycol of female powder and 4% are mixed granulation then, oven dry, sieving obtains about 96% 70% thiophanate-methyl water-dispersible granules.Through the check active constituent content is 71.1%, moisture≤2.5%, and pH value 7.4, screening (by 75 μ m sieve) 〉=98%, suspensibility 〉=65%, lasting foaming characteristic (1min)≤10mL, wetability≤1min, dust≤3.0%, the acceleration heat storage stability is qualified.Being used to prevent and treat apple tree spot defoliation dosage is 700~875mg/kg, and control efficiency is 81~90%.
Embodiment 3
Take by weighing the former powder 53% of thiophanate-methyl, wetting agent phenethyl phenol polyethenoxy ether sodium sulfate 6%, dispersant sodium lignin sulfonate 6%, disintegrant Attapulgite 8%, thinner kaolin 20%, after it is mixed, pulverize through airslide disintegrating mill and to obtain female powder, No. 72 binding agents of polyethylene glycol of female powder and 7% are mixed granulation then, oven dry, sieving obtains about 97% 50% thiophanate-methyl water-dispersible granules.Through the check active constituent content is 52.7%, moisture≤2.5%, and pH value 7.3, screening (by 75 μ m sieve) 〉=98%, suspensibility 〉=65%, lasting foaming characteristic (1min)≤10mL, wetability≤1min, dust≤3.0%, the acceleration heat storage stability is qualified.Being used to prevent and treat apple tree spot defoliation dosage is 700~875mg/kg, and control efficiency is 78~96%.
Embodiment 4
Take by weighing the former powder 54% of thiophanate-methyl, wetting agent neopelex 7%, dispersant sodium lignin sulfonate 9%, disintegrant sodium carbonate 6%, thinner diatomite 18%, after it is mixed, pulverize through airslide disintegrating mill and to obtain female powder, No. 54 binding agents of lignin of female powder and 6% are mixed granulation then, oven dry, sieving obtains about 96% 50% thiophanate-methyl water-dispersible granules.Through the check active constituent content is 51.5%, moisture≤2.5%, and pH value 7.3, screening (by 75 μ m sieve) 〉=98%, suspensibility 〉=65%, lasting foaming characteristic (1min)≤10mL, wetability≤1min, dust≤3.0%, the acceleration heat storage stability is qualified.Being used to prevent and treat apple tree spot defoliation dosage is 700~875mg/kg, and control efficiency is 83~91%.
Embodiment 5
Take by weighing the former powder 43% of thiophanate-methyl, wetting agent neopelex 8%, dispersant sodium lignin sulfonate 9%, disintegrant sodium carbonate 8%, thinner diatomite 24%, after it is mixed, pulverize through airslide disintegrating mill and to obtain female powder, modified polyacrylic acid sodium 50 binding agents of female powder and 8% are mixed granulation then, oven dry, sieving obtains about 95% 40% thiophanate-methyl water-dispersible granules.Through the check active constituent content is 41.5%, moisture≤2.5%, and pH value 7.1, screening (by 75 μ m sieve) 〉=98%, suspensibility 〉=65%, lasting foaming characteristic (1min)≤10mL, wetability≤1min, dust≤3.0%, the acceleration heat storage stability is qualified.Being used to prevent and treat apple tree spot defoliation dosage is 700~875mg/kg, and control efficiency is 81~90%.
Embodiment 6
Take by weighing the former powder 46% of thiophanate-methyl, wetting agent sodium methylene bis-naphthalene sulfonate 6%, dispersant is to methyl fatty acyl amido benzene sulfonic acid sodium salt 8%, disintegrant white carbon 6%, thinner diatomite 28%, after it is mixed, pulverize through airslide disintegrating mill and to obtain female powder, No. 45 binding agents of lignin of female powder and 6% are mixed granulation then, oven dry, sieving obtains about 96% 40% thiophanate-methyl water-dispersible granules.Through the check active constituent content is 42.7%, moisture≤2.5%, and pH value 7.5, screening (by 75 μ m sieve) 〉=98%, suspensibility 〉=65%, lasting foaming characteristic (1min)≤10mL, wetability≤1min, dust≤3.0%, the acceleration heat storage stability is qualified.Being used to prevent and treat apple tree spot defoliation dosage is 700~875mg/kg, and control efficiency is 82~94%.
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 the thiophanate-methyl water-dispersible granules, following steps are arranged:
A), choose raw material, it is mixed according to the prescription of thiophanate-methyl water-dispersible granules;
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), the shot-like particle with oven dry promptly obtains the thiophanate-methyl water-dispersible granules after sieving.
The thiophanate-methyl water-dispersible granules that adopts prescription of the present invention to process the results showed that this product has good dispersiveness, and working substance suspends indefinite duration; Disintegration rate is fast, and disintegration time is less than 3min; Heat storage stability is good; And the height of adhesion rate in use, lasting period are long.The present invention is the bactericidal potency height in production application, through evidence, all can reach more than 80% to scab, ring spot, the powdery mildew leaf mold control efficiency of multiple fruit tree and vegetable; Safety is good, and 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, Environmental pollution is little, and disintegration rate is fast, and dispersive property reaches well heat storage steady performance, in use kills Bacterium usefulness height, security is good.

Claims (4)

1, a kind of thiophanate-methyl water-dispersible granules, its active ingredient is thiophanate-methyl, it is characterized in that this granula is rule or irregular particle shape, its component content is as follows by percentage to the quality:
The former powder of thiophanate-methyl: 40%~80%
Wetting agent: 2%~8%
Dispersant: 3%~10%
Disintegrant: 3%~8%
Thinner: 5%~40%
Binding agent: 2%~10%.
Described wetting agent can be a kind of of phenethyl phenol polyethenoxy ether condensation product, alkylphenol polyoxyethylene formaldehyde condensation products, sodium alkyl benzene sulfonate, sodium alkyl sulfate, alkyl phosphoric acid sodium, phenethyl phenol polyethenoxy ether sodium sulfate and alkylphenol-polyethenoxy base sodium sulphate.
Described dispersant can be Fluhyzon formaldehyde condensation products sodium sulfonate, alkylphenol formaldehyde condensation product sodium sulphate, sodium lignin sulfonate, a kind of to methoxyl group fatty acyl amido benzene sulfonic acid sodium salt, polycarboxylic acids sodium.
2, thiophanate-methyl water-dispersible granules according to claim 1 is characterized in that, wherein: disintegrant can be a kind of of bentonite, Attapulgite, starch, inorganic sodium, white carbon and silica gel.
3, thiophanate-methyl water-dispersible granules according to claim 1 is characterized in that, wherein: thinner can be a kind of of kaolin, precipitated calcium carbonate, diatomite, potter's clay, white clouds tin soil.
4, thiophanate-methyl water-dispersible granules according to claim 1, it is characterized in that wherein: binding agent can be a kind of of denaturated sodium polyacrylate 80, No. 72, polyethylene glycol, No. 3, modified polyvinyl alcohol, No. 45, lignin, No. 54, lignin, modified polyacrylic acid sodium 50.
CN 200410026344 2004-07-21 2004-07-21 Thiophthanate methyl water dispersible granular agent and its formula Expired - Fee Related CN1278609C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200410026344 CN1278609C (en) 2004-07-21 2004-07-21 Thiophthanate methyl water dispersible granular agent and its formula

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200410026344 CN1278609C (en) 2004-07-21 2004-07-21 Thiophthanate methyl water dispersible granular agent and its formula

Publications (2)

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CN1596648A CN1596648A (en) 2005-03-23
CN1278609C true CN1278609C (en) 2006-10-11

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101580439B (en) * 2009-06-11 2012-05-23 陈琳 Bactericide for preventing and treating diseases of fruit tree branches and trunks and preparation method thereof
CN101779649B (en) * 2009-12-18 2012-11-07 陕西美邦农资贸易有限公司 Bactericidal composition containing phenol cycloheximide and thiophanate-methyl
CN101836653A (en) * 2010-05-28 2010-09-22 深圳市朗钛生物科技有限公司 Pesticide composition containing amino-oligosaccharide and thiophanate methyl and use method and application thereof
CN102228043A (en) * 2011-05-06 2011-11-02 浙江泰达作物科技有限公司 Bactericide water dispersible granules compounded from difenoconazole and pyraclostrobin and preparation method thereof
CN113197213B (en) * 2021-03-25 2022-05-13 镇江先锋植保科技有限公司 Sulfoxaden dry suspending agent and preparation method thereof

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Granted publication date: 20061011

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