CN105076144A - Microcapsule suspending agent containing metalaxyl-M and azoxystrobin - Google Patents

Microcapsule suspending agent containing metalaxyl-M and azoxystrobin Download PDF

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Publication number
CN105076144A
CN105076144A CN201510515895.7A CN201510515895A CN105076144A CN 105076144 A CN105076144 A CN 105076144A CN 201510515895 A CN201510515895 A CN 201510515895A CN 105076144 A CN105076144 A CN 105076144A
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CN
China
Prior art keywords
metalaxyl
micro
fluoxastrobin
capsule
capsule suspension
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Pending
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CN201510515895.7A
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Chinese (zh)
Inventor
曹希敏
王敏
周斌
彭述明
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Guangdong Zhongxun Agri Science Corp
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Guangdong Zhongxun Agri Science Corp
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Priority to CN201510515895.7A priority Critical patent/CN105076144A/en
Publication of CN105076144A publication Critical patent/CN105076144A/en
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Abstract

The invention relates to a microcapsule suspending agent containing metalaxyl-M and azoxystrobin. The microcapsule suspending agent containing metalaxyl-M and azoxystrobin is prepared by microencapsulating metalaxyl-M and azoxystrobin by utilizing polyurethane as a wall material. The microcapsule suspending agent containing metalaxyl-M and azoxystrobin consists of the following components in percentage by weight: 1%-40% of metalaxyl-M, 1%-40% of azoxystrobin, 1%-40% of a capsule core solvent, 1%-15% of a capsule wall material, 1%-10% of an emulsifying agent, 1%-5% of a dispersing agent and the balance of water. The microcapsule suspending agent containing metalaxyl-M and azoxystrobin can be used for preventing and treating pathogenic bacteria during pollution-free production in the agriculture field.

Description

A kind of micro-capsule suspension containing Metalaxyl-M and Fluoxastrobin
Technical field
The invention belongs to field of pesticide preparation, be specially a kind of micro-capsule suspension containing Metalaxyl-M and Fluoxastrobin.
Background technology
Metalaxyl-M is phenylamide systemic fungicide, it is the active isomer of metalaxyl, also be the bactericide with three-dimensional optically active of first listing, to disease, there is treatment and eradicant action, especially to Pseudoperonospora cubensis, phytophthora root rot bacterium, the disease such as downy mildew, early blight, late blight, downy mildew epidemic disease of the various crop such as the vegetables caused by rotten mildew fungus, fruit tree, tobacco, oil plant, cotton, grain has good control efficiency.
Fluoxastrobin is new and effective, wide spectrum, systemic fungicide. can be used for cauline leaf spraying, seed treatment, also can carry out the process of scholar's earth; It is to nearly all Mycophytes (Ascomycetes, Basidiomycetes, Oomycete and Fungi Imperfecti) disease, as powdery mildew, rust, grain husk withered lame, net blotch, downy mildew, rice blast etc. all have good activity, and with existing bactericide at present without cross resistance.For cereal, paddy rice, grape, potato, vegetables, fruit tree and other crop, to these crop safeties.
But the Metalaxyl-M used at present and the duration of these two kinds of medicament disinfectings of Fluoxastrobin too short, cause the frequent medication of peasant and improve constantly dosing, many areas all cause drug-fast generation, also very large pressure be also result in environment simultaneously, improve drug effect, the lasting period of reducing germ drug-fast generation probability and this medicament of prolongation becomes problem urgently to be resolved hurrily for this reason.Therefore, the green bioagrochemicals that research and development are good with Environmental compatibility, both can play its effectiveness to greatest extent, and extend its operating period, overcome pesticide resistance, can save substantial contribution and labour again.
The micro-capsule suspension of Metalaxyl-M and azoxystrobin compound can improve drug effect, extend the lasting period, overcome germ pesticide resistance, little to environmental pressure, economize on resources, be conducive to sustainable development and the protection of environment of agricultural.
Summary of the invention
The object of the present invention is to provide a kind of micro-capsule suspension containing Metalaxyl-M and Fluoxastrobin and preparation method thereof.
Of the present inventionly to be achieved through the following technical solutions: a kind of micro-capsule suspension containing Metalaxyl-M and Fluoxastrobin, be made up of the component of following percentage by weight: Metalaxyl-M 1%-40%, Fluoxastrobin 1%-40%, capsule-core solvent 1%-40%, cyst material 1%-15%, emulsifier 1%-10%, dispersant 1%-5%, surplus is water.
Described capsule-core solvent is the mixing of one or more in dimethylbenzene, cyclohexanone, ethyl acetate, 1-METHYLPYRROLIDONE, diethyl phthalate, dibutyl phthalate, Solvesso100, Solvesso150, Solvesso200.
Described emulsifier is the mixing of one or more in alkylphenol polyoxyethylene, styryl phenol polyethenoxy ether, alkaryl phenol polyethenoxy ether phosphate, castor oil polyoxyethylene ether, alkylbenzenesulfonate, alkylphenol-polyethenoxy phosphate, disecoctylmaleate sodium sulfonate, polyol fatty acid ester and ethylene oxide adduct thereof.
Described dispersant is the mixing of one or more in SOPA-270, dispersant NNO, sodium lignin sulfonate, dispersant 2700.
Described water is running water or drinking water or natural water or deionized water.
Described cyst material is polyurethane, is to carry out polymerisation and the macromolecular compound obtained by polymethylene multi-phenenyl isocyanate and ethylene glycol at 40-60 DEG C.
A kind of preparation method containing the micro-capsule suspension of Metalaxyl-M and Fluoxastrobin of the present invention: Metalaxyl-M and Fluoxastrobin capsule-core solvothermal are dissolved, add emulsifier and cyst material polymethylene multi-phenenyl isocyanate, control temperature, add ethylene glycol and carry out polymerisation, after having reacted, add the micro-capsule suspension that dispersant obtains Metalaxyl-M and azoxystrobin compound.
The invention provides a kind of lasting period length, low toxicity, environmentally friendly, person poultry safety, the Metalaxyl-M that mushroom is not easily developed immunity to drugs and the micro-capsule suspension of azoxystrobin compound, stable performance, long to harmful mushroom control lasting period, environmental pollution is very little, provide the more eco-friendly pesticidal preparations of one, meet the non-environmental pollution control needs of agriculture germ.
Embodiment
Essence for a better understanding of the present invention, with example, technology contents of the present invention is described below, but content of the present invention is not limited thereto.
Embodiment one:
Thermometer is being housed, 10g Metalaxyl-M and 20g Fluoxastrobin is added in the there-necked flask of agitating device, add 10g cyclohexanone and 20g dimethylbenzene, being heated to 56 DEG C dissolves completely, add 3g to mix polymethylene polyphenyl isocyanates, add 4g alkaryl phenol polyethenoxy ether phosphate and the mixing of 1g styryl phenol polyethenoxy ether again, then adding containing 2g dispersant is the aqueous solution of SOPA-270 and a part of water, 4000 revs/min are stirred 10 minutes, add 20% glycol water after stirring and carry out polymerisation 2h, the dispersant adding surplus after having reacted is the water of SOPA-2702g and surplus, 4000 revs/min are stirred 10 minutes, , namely the micro-capsule suspension of Metalaxyl-M and azoxystrobin compound is obtained.
Embodiment two:
Thermometer is being housed, 20g Metalaxyl-M and 20g Fluoxastrobin is added in the there-necked flask of agitating device, add 15g cyclohexanone and 20g dimethylbenzene, being heated to 56 DEG C dissolves completely, add 4g to mix polymethylene polyphenyl isocyanates, add 4g alkaryl phenol polyethenoxy ether phosphate and the mixing of 2g styryl phenol polyethenoxy ether again, then adding containing 3g dispersant is the aqueous solution of SOPA-270 and a part of water, 4000 revs/min are stirred 10 minutes, add 20% glycol water after stirring and carry out polymerisation 2h, the dispersant adding surplus after having reacted is the water of SOPA-2702g and surplus, 4000 revs/min are stirred 10 minutes, , namely the micro-capsule suspension of Metalaxyl-M and azoxystrobin compound is obtained.
Embodiment three:
Thermometer is being housed, 20g Metalaxyl-M and 10g Fluoxastrobin is added in the there-necked flask of agitating device, add 10g cyclohexanone and 15g dimethylbenzene, being heated to 56 DEG C dissolves completely, add 3g to mix polymethylene polyphenyl isocyanates, add 3g alkaryl phenol polyethenoxy ether phosphate and the mixing of 2g styryl phenol polyethenoxy ether again, then adding containing 4g dispersant is the aqueous solution of SOPA-270 and a part of water, 4000 revs/min are stirred 10 minutes, add 20% glycol water after stirring and carry out polymerisation 2h, the dispersant adding surplus after having reacted is the water of SOPA-2702g and surplus, 4000 revs/min are stirred 10 minutes, namely the micro-capsule suspension of Metalaxyl-M and azoxystrobin compound is obtained.

Claims (7)

1. one kind contains the micro-capsule suspension of Metalaxyl-M and Fluoxastrobin, it is characterized in that, be made up of the component of following percentage by weight: Metalaxyl-M 1%-40%, Fluoxastrobin 1%-40%, capsule-core solvent 1%-40%, cyst material 1%-15%, emulsifier 1%-10%, dispersant 1%-5%, surplus is water.
2. a kind of micro-capsule suspension containing Metalaxyl-M and Fluoxastrobin according to claim 1, is characterized in that: described capsule-core solvent is the mixing of one or more in dimethylbenzene, cyclohexanone, ethyl acetate, 1-METHYLPYRROLIDONE, diethyl phthalate, dibutyl phthalate, Solvesso100, Solvesso150, Solvesso200.
3. a kind of micro-capsule suspension containing Metalaxyl-M and Fluoxastrobin according to claim 1, is characterized in that: described emulsifier is the mixing of one or more in alkylphenol polyoxyethylene, styryl phenol polyethenoxy ether, alkaryl phenol polyethenoxy ether phosphate, castor oil polyoxyethylene ether, alkylbenzenesulfonate, alkylphenol-polyethenoxy phosphate, disecoctylmaleate sodium sulfonate, polyol fatty acid ester and ethylene oxide adduct thereof.
4. a kind of micro-capsule suspension containing Metalaxyl-M and Fluoxastrobin according to claim 1, is characterized in that: described dispersant is the mixing of one or more in SOPA-270, dispersant NNO, sodium lignin sulfonate, dispersant 2700.
5. a kind of micro-capsule suspension containing Metalaxyl-M and Fluoxastrobin according to claim 1, is characterized in that: described water is running water, drinking water, natural water or deionized water.
6. a kind of micro-capsule suspension containing Metalaxyl-M and Fluoxastrobin according to claim 1, it is characterized in that: described cyst material is polyurethane, is carry out polymerisation and the macromolecular compound obtained by polymethylene multi-phenenyl isocyanate and ethylene glycol at 40-60 DEG C.
7. one kind contains the preparation method of the micro-capsule suspension of Metalaxyl-M and Fluoxastrobin: Metalaxyl-M and Fluoxastrobin capsule-core solvothermal are dissolved, add emulsifier and cyst material polymethylene multi-phenenyl isocyanate, control temperature, add ethylene glycol and carry out polymerisation, after having reacted, add the micro-capsule suspension that dispersant obtains Metalaxyl-M and azoxystrobin compound.
CN201510515895.7A 2015-08-20 2015-08-20 Microcapsule suspending agent containing metalaxyl-M and azoxystrobin Pending CN105076144A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105104384A (en) * 2015-09-01 2015-12-02 山东禾宜生物科技有限公司 Sterilization composition containing metalaxyl-M and Azoxystrobin
CN106212538A (en) * 2016-08-19 2016-12-14 苏州灵垦农业科技有限公司 A kind of composition pesticide
CN106489948A (en) * 2016-10-26 2017-03-15 江苏苏滨生物农化有限公司 A kind of composition pesticide, suspension seed-coating agent and its application
CN112369419A (en) * 2020-11-09 2021-02-19 中国农业科学院植物保护研究所 metalaxyl-M and azoxystrobin sustained-release agent as well as preparation method and application thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105104384A (en) * 2015-09-01 2015-12-02 山东禾宜生物科技有限公司 Sterilization composition containing metalaxyl-M and Azoxystrobin
CN106212538A (en) * 2016-08-19 2016-12-14 苏州灵垦农业科技有限公司 A kind of composition pesticide
CN106489948A (en) * 2016-10-26 2017-03-15 江苏苏滨生物农化有限公司 A kind of composition pesticide, suspension seed-coating agent and its application
CN112369419A (en) * 2020-11-09 2021-02-19 中国农业科学院植物保护研究所 metalaxyl-M and azoxystrobin sustained-release agent as well as preparation method and application thereof

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