Dimethomorph dispersible oil suspending agent and preparation method and application thereof
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A technology of dimethomorph and oil suspension agent, which is applied in the directions of botanical equipment and methods, application, biocide, etc., can solve the problems of weak suspension rate and control effect, etc.
Active Publication Date: 2017-09-01
INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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Problems solved by technology
[0006] For this reason, the technical problem to be solved by the present invention is to provide a kind of morpholine dispersible oil suspension concentra
Method used
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Embodiment 1
[0020] Dimethomorph described in the present embodiment can disperse oil suspension concentrate, and its preparation raw material comprises:
[0021] Dimethomorph original drug: 210.5g of dimethomorph original drug with a purity of 95%;
[0022] Nonionic surfactant: 80 grams of mixture of sorbitan oleate polyoxyethylene ether, triphenylethylphenol polyoxypropylene polyoxyethylene block polymer (polyether) and acrylic acid graft copolymer, dehydrated The mass ratio of sorbitan oleate polyoxyethylene ether, triphenylethylphenol polyoxypropylene polyoxyethylene block polymer (polyether) and acrylic acid graft copolymer is 5:4:4;
[0023] Anionic surfactant: calcium dodecylbenzenesulfonate and alkylnaphthalenesulfonate 40g, the mass ratio of calcium dodecylbenzenesulfonate and alkylnaphthalenesulfonate is 1:1;
[0024] Co-surfactant: 40g of a mixture of isopropanol and octanol, the mass ratio of isopropanol to octanol is 2:1;
[0025] Adhesive absorption enhancer: a mixture of p...
Embodiment 2
[0030] Dimethomorph described in the present embodiment can disperse oil suspension concentrate, and its preparation raw material comprises:
[0031] Dimethomorph original drug: 157.9g of dimethomorph original drug with a purity of 95%;
[0032] Nonionic surfactant: 80 grams of mixture of sorbitan oleate polyoxyethylene ether, triphenylethylphenol polyoxypropylene polyoxyethylene block polymer (polyether) and acrylic acid graft copolymer, dehydrated The mass ratio of sorbitan oleate polyoxyethylene ether, triphenylethylphenol polyoxypropylene polyoxyethylene block polymer (polyether) and acrylic acid graft copolymer is 5:4:4;
[0033] Anionic surfactant: calcium dodecylbenzenesulfonate and alkylnaphthalenesulfonate 40g, the mass ratio of calcium dodecylbenzenesulfonate and alkylnaphthalenesulfonate is 1:1;
[0034] Co-surfactant: 40g of a mixture of isopropanol and octanol, the mass ratio of isopropanol to octanol is 2:1;
[0035] Adhesive absorption enhancer: a mixture of p...
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Abstract
The invention belongs to the technical field of pesticide formulation processing and specifically relates to a dimethomorph dispersible oil suspending agent and further discloses a preparation method and application thereof. The oil suspending agent disclosed by the invention is prepared from the raw materials of a dimethomorph original material, a non-ionic surface active agent, an anionic surface active agent, a cosurfactant, an adhesion and absorption enhancer, a stabilizer, an enzyme modifier and a dispersion medium. According to the dispersible oil suspending agent disclosed by the invention, the adhesion and absorption enhancer and the enzyme modifier are added to modify a product based on existing oil suspending agent preparation raw material; added catalase and/or cellulase are beneficial to product formulation polymerization and very good modifying treatment on a suspension dispersing situation; the prepared oil suspending agent has very good suspension performance, furthermore, a release effect of effective ingredients of the oil suspending agent is better, and prevention performance of the oil suspending agent to diseases and pests is better. In addition, according to the oil suspending agent disclosed by the invention, polyglutamic acid is more preferably added as a preparation raw material; suspension performance and pesticide effect playing performance are further improved, and a modifying effect is better.
Description
technical field [0001] The invention belongs to the technical field of pesticide formulation processing, in particular to a dimethomorph dispersible oil suspension, and further discloses its preparation method and application. Background technique [0002] Dimethomorph is a fungicide specific for ovicidal fungi. It is mainly used to prevent downy mildew and late blight on grapes and other fruit trees. It is widely used in vegetable downy mildew, blight, seedling damping-off, Tobacco black shank and other diseases caused by fungi of the flagellate subphylum Oomycetes. Dimethomorph has oil systemic activity and is a highly active, water-insoluble organic compound. Therefore, auxiliary components such as carriers, fillers, emulsifiers and dispersants must be added to prepare various types of pesticide preparations to facilitate field use. For administration, the currently registered dosage forms mainly include wettable powder, suspension concentrate, and water-dispersible gran...
Claims
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IPC IPC(8): A01N37/38A01N25/04A01P3/00
CPCA01N25/04A01N37/38
Inventor 黄啟良曹立冬李凤敏曹冲
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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