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A kind of stabilizer in pesticide preparation and the composition containing stabilizer
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A composition and stabilizer technology, which is applied in the direction of herbicides and algicides, chemicals for biological control, biocides, etc., can solve the problems of floc precipitation, affect product appearance and quality, and improve quality Effect
Active Publication Date: 2021-06-01
SHENYANG SINOCHEM AGROCHEMICALS R&D CO LTD
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[0005] It has been found that the liquid preparations such as emulsifiable concentrates, water emulsions, microemulsions, dispersible oils, dispersible oil suspensions and ultra-low volume liquids will precipitate during storage in the mixture containing saponin and saponin The phenomenon of flocs seriously affects the appearance and quality of the product
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Embodiment 11
[0022] Example 1.1: 1% super low volume solution of saponin
[0023] A: Weigh 1g of saponin, 8g of NP-10 (nonylphenol polyoxyethylene ether), 1g of isomeric alcohol phosphate, 30g of soybean oil, 60g of solvent naphtha S-200, mix and dissolve to obtain a stable 1% ultra-low volume solution of saponin.
[0024] B: Weigh 1g of saponin, 8g of NP-10 (nonylphenol polyoxyethylene ether), 30g of soybean oil, and 61g of solvent naphtha S-200, mix and stir to dissolve, and obtain 1% of saponin without stabilizer Phosphorus ultra-low volume solution.
Embodiment 12
[0025] Example 1.2: 5% saponin emulsifiable concentrate
[0026] A: Weigh 5g of saponin, 10g of NP-10 (nonylphenol polyoxyethylene ether), 3g of calcium dodecylbenzenesulfonate, 1g of isomeric alcohol phosphate, 5g of absolute ethanol, and 76g of mineral spirits S-150, mixed and stirred to dissolve to obtain 5% saponin emulsifiable concentrate containing stabilizer.
[0027] B: Weigh 5g of saponin, 10g of NP-10 (nonylphenol polyoxyethylene ether), 3g of calcium dodecylbenzenesulfonate, 5g of absolute ethanol, and 77g of mineral spirits S-150, mix and stir to dissolve , to obtain 5% emulsifiable concentrate without stabilizing agent.
Embodiment 13
[0028] Example 1.3: 10% Saponin microemulsion
[0029] A: Weigh 20g of 50% saponin mother liquor, 5g of Nongru 1601#, 4g of calcium dodecylbenzenesulfonate, 3g of nonylphenol polyoxyethylene ether phosphate, 63g of mineral spirits S-150, mix and stir to dissolve, and then Add 5g of water, stir and mix well to obtain 10% saponin microemulsion containing stabilizer.
[0030] B: Weigh 20g of 50% saponin mother liquor, 5g of Nongru 1601#, 4g of calcium dodecylbenzene sulfonate, 66g of solvent oil S-150, mix and stir to dissolve, then add 5g of water, stir and mix to obtain Stabilizer of 10% Saponin microemulsion.
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Abstract
The invention belongs to the field of processing pesticide formulations, and in particular relates to a stabilizer suitable for a single dose or a mixed dose with saponin as an active ingredient and a composition containing the stabilizer. The stabilizer in the preparation whose active ingredient is or contains saponin is selected from nonylphenol polyoxyethylene ether phosphate, tristyrylphenol polyoxyethylene ether phosphate, isomeric alcohol phosphate, acetic acid One or more; Wherein, the added amount of the stabilizer accounts for 0.5-20% of the total weight of the preparation. The saponin phosphorus composition provided by the invention is used for controlling weeds in transplanted rice fields, and exhibits good herbicidal activity and safety to rice. At the same time, the saponin liquid preparation has good storage stability, and there is no floc or precipitation during the shelf life of the product, ensuring that the product has good quality during the shelf life.
Description
technical field [0001] The invention belongs to the field of processing pesticide formulations, and in particular relates to a stabilizer suitable for a single dose or a mixed dose with saponin as an active ingredient and a composition containing the stabilizer. Background technique [0002] Anilofos, chemical name: S-4 chloro-N-isopropylphenylcarbamoylmethyl O,O-2 dimethyl phosphorodithioate, CAS registration number: 64249-01-0. The structural formula is as follows: [0003] [0004] Anilofos is an organophosphorus selective systemic herbicide developed by Bayer. It is absorbed through the young shoots and underground stems of plants, inhibiting cell fission and extension, making it difficult for weeds to pull out new leaves and stop their growth. Finally withered. Phosphate is mainly used to control annual gramineous weeds and sedge weeds in transplanted rice fields. At present, the most registered formulations of saponin are liquid formulations such as emulsifiable ...
Claims
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