WO2009089687A1 - Granulés solubles dans l'eau de kresoxim-méthyle et leur préparation - Google Patents

Granulés solubles dans l'eau de kresoxim-méthyle et leur préparation Download PDF

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WO2009089687A1
WO2009089687A1 PCT/CN2008/070112 CN2008070112W WO2009089687A1 WO 2009089687 A1 WO2009089687 A1 WO 2009089687A1 CN 2008070112 W CN2008070112 W CN 2008070112W WO 2009089687 A1 WO2009089687 A1 WO 2009089687A1
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bactericidal
soluble granule
group
granule containing
oxystrobin
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PCT/CN2008/070112
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English (en)
French (fr)
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Guishu Luan
Zhixiang Wang
Yunying Chi
Haixu Li
Changchun Liu
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Guishu Luan
Zhixiang Wang
Yunying Chi
Haixu Li
Changchun Liu
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Application filed by Guishu Luan, Zhixiang Wang, Yunying Chi, Haixu Li, Changchun Liu filed Critical Guishu Luan
Priority to CN2008800000767A priority Critical patent/CN101657093B/zh
Priority to PCT/CN2008/070112 priority patent/WO2009089687A1/zh
Publication of WO2009089687A1 publication Critical patent/WO2009089687A1/zh

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/44Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
    • A01N37/50Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids the nitrogen atom being doubly bound to the carbon skeleton

Definitions

  • the invention relates to a bactericidal soluble granule containing ether oxystrobin and a preparation method thereof, in particular to a bactericidal fungicide for bactericidal soluble granules containing ether oxystrobin and a preparation method thereof.
  • emulsifiable concentrates and wettable powders are generally used.
  • emulsifiable concentrate contains a large amount of organic solvents, which are easy to volatilize and catch fire. It is toxic to humans and plants, pollutes the environment, and is inconvenient to transport. Wettable powders generate a large amount of dust during production and use, pollute the environment and affect the health of operators. .
  • Pesticide preparations have been developed in the direction of no solvation, water-based, solidification and multi-functionality. This preparation is a bactericidal soluble granule developed based on this development direction. Summary of the invention
  • An object of the present invention is to provide a bactericidal soluble granule for plant protection using a safe, environmentally friendly, and ether-containing ester, in order to overcome the disadvantages of the prior art described above.
  • a bactericidal soluble granule containing ether oxystrobin consisting of ether fungus ester, emulsifier, dispersant, wetting agent, binder, stabilizer and filler, and the content of soluble granules is 100%, and its composition content It is: ether oxystrobin 2 ⁇ 60%, emulsifier 1 ⁇ 30%, dispersant 1 ⁇ 10%, wetting agent 1 ⁇ 5 %, binder 2 ⁇ 4%, stabilizer 1 ⁇ 3 %, the rest is filler .
  • the emulsifier is selected from the group consisting of nonylphenol ethoxylates, such as nonylphenol ethoxylates, octylphenol ethoxylates, etc.; benzylphenol ethoxylates and the like, such as benzylphenol polyoxyethylene One or more of ether, benzyl nonylphenol ethoxylate; biphenol polyoxyethylene ether.
  • the dispersing agent is selected from the group consisting of decylnaphthalene sulfonate, such as pull-open powder BX and pull-open powder AC; bisnaphthalene sulfonate formaldehyde condensate, such as dispersant N and dispersant NO; and sodium lignosulfonate .
  • the wetting agent is selected from one or both of a mercaptobenzenesulfonate, a fatty acid amide N-methylsulfonate, and a mercaptoaryl polyoxyethylene ether sulfate.
  • the binder is selected from one or both of polyvinyl alcohol, ⁇ -cyclodextrin, methyl cellulose, and urea.
  • the stabilizer is selected from one of sodium benzoate, borax, and disodium hydrogen phosphate.
  • the filler is selected from one or both of sodium hydrogencarbonate, anhydrous citric acid, maltose and anhydrous sodium sulfate.
  • a method for preparing the above-mentioned bactericidal soluble granule containing ether oxystrobin comprising the following steps:
  • Extrusion granulation The granules were extruded into columnar granules under a pressure of 6 to 12 kg/cm 2 ; 5 The columnar granules were vacuum dried at 70 ° C for 1 hour, and then sieved and shaped.
  • Kresoxim-methyl is a highly efficient, broad-spectrum, new fungicide. It has good control effect on most diseases caused by fungal fungi such as deuteromycetes, ascomycetes and oomycetes.
  • Epoxystrobin not only has a broad spectrum of bactericidal activity, but also has a good protective and therapeutic effect, and is especially suitable for the control of plant diseases such as powdery mildew and scab. It has no cross-resistance with other commonly used fungicides and has a longer shelf life than conventional fungicides. It is highly selective, safe for crops, humans and animals, and has no pollution to the environment. It is now widely used in vegetables, cereal crops and fruit trees.
  • the invention does not contain or contains only a small amount of toxic and flammable aromatic hydrocarbon solvents, thereby avoiding flammable and explosive phenomena during production, storage and transportation.
  • This dosage form has no unpleasant toxic odor, is less irritating to the eyes, reduces environmental pollution, and greatly improves the safety of production, storage, transportation and users. Therefore, after industrialization is formed, not only the economic benefits are obvious, but also the development of high-tech green pesticide technology is promoted. It has obvious social benefits for promoting environmental protection and is the research direction of sustainable development.
  • Soluble granules are a new type of formulation and are a comprehensive product with comprehensive properties in today's pesticide formulations. Successful development of soluble granules will further enhance their safety for the environment, humans and animals.
  • the various raw materials in the formula are common in the domestic chemical market, and the product cost is low, thus laying a good foundation for the industrial production and popularization of the dosage form.
  • insecticidal soluble granules containing the oxystrobin according to the invention are prepared as follows:
  • the columnar particles are vacuum dried at 70 ° C for 1 hour, and then sieved.
  • the sieved product is packaged after testing; the product that cannot pass through the sieve is repeated after the above process is tested and packaged.
  • the control effect on cucumber powdery mildew is above 82.1%; the control effect on strawberry powdery mildew is above 84.2%; the control effect on pear tree black spot disease All in More than 79.8%.
  • insecticidal soluble granules containing the oxystrobin according to the invention are prepared as follows:
  • the columnar particles are vacuum dried at 70 ° C for 1 hour, and then sieved.
  • the sieved product is packaged after testing; the product that cannot pass through the sieve is repeated after the above process is tested and packaged.
  • test results are shown in the following table: Treatment of cucumber powdery mildew, strawberry powdery mildew, pear tree scab
  • the condition refers to the prevention effect
  • the condition refers to the prevention effect
  • the condition refers to the effect number
  • the number refers to the number
  • Example 3 The insecticidal soluble granules containing the epidifen ester of the present invention are prepared as follows:
  • the columnar particles are vacuum dried at 70 ° C for 1 hour, and then sieved.
  • the sieved product is packaged after testing; the product that cannot pass through the sieve is repeated after the above process is tested and packaged.
  • the condition refers to the prevention effect
  • the condition refers to the prevention effect
  • the condition refers to the effect number
  • the number refers to the number
  • Example 4 The insecticidal soluble granules containing the epidifen ester of the present invention were prepared in the following manner:
  • the columnar particles are vacuum dried at 70 ° C for 1 hour, and then sieved.
  • the sieved product is packaged after testing; the product that cannot pass through the sieve is repeated after the above process is tested and packaged.
  • the condition refers to the prevention effect
  • the condition refers to the prevention effect
  • the condition refers to the effect number
  • the number refers to the number
  • control is 30% ether ester suspension
  • the bactericidal soluble granules containing the epidifen ester of the present invention have good control effects against most diseases caused by pathogenic fungi such as deuteromycetes, ascomycetes and oomycetes.
  • Epoxystrobin not only has a broad spectrum of bactericidal activity, but also has a good protective and therapeutic effect, and is especially suitable for the control of plant diseases such as powdery mildew and scab. It has no cross-resistance with other commonly used fungicides and has a longer shelf life than conventional fungicides.

Description

含有醚菌酯的杀菌可溶性粒剂及其制备方法 技术领域
本发明涉及一种含有醚菌酯的杀菌可溶性粒剂及其制备方法, 特别涉及 一种含有醚菌酯的杀菌可溶性粒剂的植物保护用杀菌剂及其制备方法。 背景技术
随着人们生活水平的不断提高, 人们对环境保护意识的提高, 以及我国 政府对生态环境的重视, 国内外市场上对适合防治作物病虫害和无公害生产 需要的高效、 低毒、 低残留、 无污染的环保型生物农药和化学农药的需求越 来越大。
植物保护用的杀菌剂的种类很多, 一般采用乳油和可湿性粉剂。 众所周 知, 乳油中含有大量有机溶剂, 易于挥发、 着火, 对人体和植物有毒害, 污 染环境, 运输也不方便; 可湿性粉剂在生产、 使用中会产生大量粉尘, 污染 环境, 影响操作人员的健康。
农药制剂已向无溶剂化、 水基化、 固体化和多功能化方向发展, 本制剂 正是基于此发展方向研制的杀菌可溶性粒剂。 发明内容
本发明的目的就是为了克服上述现有技术存在的缺点, 提供一种使用安 全、 环保, 含有醚菌酯的植物保护用杀菌可溶性粒剂。
为解决上述技术问题, 本发明通过以下技术方案实现的:
一种含有醚菌酯的杀菌可溶性粒剂, 由醚菌酯、 乳化剂、 分散剂、 润湿 剂、 粘结剂、 稳定剂和填料组成, 以可溶性颗粒剂重量为 100 %计, 其组成含 量为: 醚菌酯 2〜60 %、 乳化剂 1〜30 %、 分散剂 1〜10 %、 润湿剂 1〜5 %、 粘 结剂 2〜4 %、 稳定剂 1〜3 %、 其余是填料。 所述乳化剂选自垸基酚聚氧乙烯醚, 如壬基酚聚氧乙烯醚、 辛基酚聚氧 乙烯醚等; 苄基酚聚氧乙烯醚及类似物, 如苄基酚聚氧乙烯醚、 苄基垸基酚 聚氧乙烯醚; 联苯酚聚氧乙烯醚中的一种或多种。
所述分散剂选自垸基萘磺酸盐, 如拉开粉 BX和拉开粉 AC等; 双萘磺酸 盐甲醛缩合物, 如分散剂 N和分散剂 N O等; 以及木质素磺酸钠。
所述润湿剂选自垸基苯磺酸盐、 脂肪酰胺 N-甲基磺酸盐和垸基芳基聚氧 乙烯醚硫酸盐中的一种或两种。
所述粘结剂选自聚乙烯醇、 β -环糊精、 甲基纤维素和尿素中的一种或两 种。
所述稳定剂选自苯甲酸钠、 硼砂、 磷酸氢二钠中的一种。
所述填料选自碳酸氢钠、 无水柠檬酸、 麦芽糖和无水硫酸钠中的一种或 两种。
一种制备上述含有醚菌酯的杀菌可溶性粒剂的方法, 包括以下歩骤:
①均质: 将醚菌酯原药与粘结剂、润湿剂混合于 50〜60°C水中, 在 420〜 450公斤 /厘米 2高压下搅拌均质;
②将均质后的上述液体混合物进行喷雾干燥, 制成复合母药;
③捏合:将乳化剂热溶解后, 与分散剂、稳定剂、填料和复合母药在 45〜 50°C温度下热混合, 再在 4〜6公斤 /厘米 2压力下搅拌、捏合均匀, 得到团剂;
④挤压造粒:将团剂在 6〜12公斤 /厘米 2压力下挤制成柱状颗粒; ⑤将柱状颗粒在 70°C下真空干燥 1小时后筛分整形即成。
醚菌酯 (kresoxim-methyl)是一种高效、 广谱、 新型杀菌剂。 对半知菌、 子 囊菌和卵菌等治病真菌引起的大多数病害具有良好的防效。 醚菌酯不仅具有 广谱的杀菌活性, 同时兼具有良好的保护和治疗作用, 特别适用于白粉病和 黑星病等植物病害防治。 与其它常用的杀菌剂无交互抗性, 且比常规杀菌剂 持效期长。 具有高度的选择性, 对作物、 人畜及有益生物安全, 对环境基本 无污染。 现 广泛用于蔬菜、 禾谷类作物和果树。 本发明与现有主流杀菌剂剂型相比, 不含或只含少量有毒、 易燃的芳烃 类溶剂, 因而可以避免生产和贮运过程中的易燃易爆现象。 本剂型没有难闻 有毒的气味, 对眼睛剌激性小, 减少了对环境的污染, 大大提高了对生产、 贮运和使用者的安全性。 因此形成产业化后, 不仅经济效益明显, 而且有利 于推动高新绿色农药技术的发展, 对推动环境保护, 具有明显的社会效益, 是可持续发展的研究方向。
可溶性粒剂是一种新剂型, 是当今农药制剂中综合性能较全面的产品。 成功开发可溶性粒剂将进一歩增强其对环境、 人畜、 作物的安全性。 配方中 各种原料来源都是国内化工市场中常见的, 产品成本较低, 因此为该剂型的 工业化生产及推广应用打下了良好的基础。 具体实施方式
下面结合具体实施例对本发明作进一歩说明。
实施例 1
按以下方法制备本发明的含有醚菌酯的杀虫可溶性粒剂:
①将 2%的醚菌酯原药与 1%的聚乙烯醇、 4%的十二垸基苯磺酸钠混合于 55 °C水中, 在 420公斤 /厘米 2高压下搅拌均质;
②将均质后的上述液体混合物进行喷雾干燥, 制成复合母药;
③将 3%的壬基酚聚氧乙烯醚热溶解后, 与 3%的分散剂 N O、 1%的苯甲酸 钠、 46%的碳酸氢钠、 40%的无水柠檬酸和复合母药在 45°C温度下热混合, 再在 4公斤 /厘米 2压力下搅拌、 捏合均匀, 得到团剂;
④将团剂在 6公斤 /厘米 2压力下挤制成柱状颗粒;
⑤将柱状颗粒在 70°C下真空干燥 1小时后筛分, 过筛的产品经检测后包装; 过不了筛的产品再重复以上过程后经检测合格包装即成。
按上述比例配成制剂, 每亩使用 333-500克, 对黄瓜白粉病的防效都在 82.1%以上; 对草莓白粉病的防效都在 84.2%以上; 对梨树黑星病的防效都在 79.8%以上。
试验结果如下表所示:
Figure imgf000006_0001
注: 对照为 30%醚菌酯悬浮剂 实施例 2
按以下方法制备本发明的含有醚菌酯的杀虫可溶性粒剂:
①将 10%的醚菌酯原药与 2%的 β -环糊精、 4%的脂肪酰胺 Ν-甲基磺酸盐 混合于 50°C水中, 在 430公斤 /厘米 2高压下搅拌均质;
②将均质后的上述液体混合物进行喷雾干燥, 制成复合母药;
③将 8%的联苯酚聚氧乙烯醚、 3%苄基酚聚氧乙烯醚热溶解后, 与 1%的 木质素磺酸钠、 1%的磷酸氢二钠、 38%的碳酸氢钠、 33%的无水硫酸钠和复合 母药在 45 °C温度下热混合, 再在 5公斤 /厘米 2压力下搅拌、 捏合均匀, 得到团 剂;
④将团剂在 8公斤 /厘米 2压力下挤制成柱状颗粒;
⑤将柱状颗粒在 70°C下真空干燥 1小时后筛分, 过筛的产品经检测后包装; 过不了筛的产品再重复以上过程后经检测合格包装即成。
按上述比例配成制剂, 每亩使用 66.6-100克, 对黄瓜白粉病的防效都在 81.9%以上; 对草莓白粉病的防效都在 83.5%以上; 对梨树黑星病的防效都在 78.9%以上。
试验结果如下表所示: 处理 黄瓜白粉病 草莓白粉病 梨树黑星病
病情指 防效 病情指 防效 病情指 防效 数 数 数
100g/亩 1.2% 91.1% 1.9% 92.6% 3.1% 85.8%
83.3 g/亩 1.2% 84.7% 1.9% 87.7% 3.1% 83.0%
66.6 g/亩 1.2% 81.9% 1.9% 83.5% 2.4% 78.9%
对照 28 g/ 1.2% 85.8% 1.9% 88.6% 2.4% 83.3%
注: 对照为 30%醚菌酯悬浮剂 实施例 3 按以下方法制备本发明的含有醚菌酯的杀虫可溶性粒剂:
①将 40%的醚菌酯原药与 1%的甲基纤维素、 4%的十二垸基苯磺酸钠混合 于 60°C水中, 在 440公斤 /厘米 2高压下搅拌均质;
②将均质后的上述液体混合物进行喷雾干燥, 制成复合母药;
③将 9%的辛基酚聚氧乙烯醚热溶解后, 与 3%的拉开粉 BX、 1%的硼砂、 22%的麦芽糖、 20%的无水柠檬酸和复合母药在 50°C温度下热混合, 再在 6公 斤 /厘米 2压力下搅拌、 捏合均匀, 得到团剂;
④将团剂在 10公斤 /厘米 2压力下挤制成柱状颗粒;
⑤将柱状颗粒在 70°C下真空干燥 1小时后筛分, 过筛的产品经检测后包装; 过不了筛的产品再重复以上过程后经检测合格包装即成。
按上述比例配成制剂, 每亩使用 16.7-25克, 对黄瓜白粉病的防效都在 79.4%以上; 对草莓白粉病的防效都在 83.1%以上; 对梨树黑星病的防效都在 83.4%以上。 试验结果如下表所示: 处理 黄瓜白粉病 草莓白粉病 梨树黑星病
病情指 防效 病情指 防效 病情指 防效 数 数 数
25g/亩 2.8 % 87.7% 2.4% 91.7% 3.3% 86.8%
20.8 g/亩 2.8% 84.5% 2.4% 87.5% 3.3% 83.9%
16.7 g/亩 3.2% 79.4% 2.4% 83.1% 2.1% 77.6%
对照 28 g/ 3.2% 84.2% 2.4% 88.3% 2.1% 83.4%
Figure imgf000008_0001
30%醚菌酯悬浮剂
实施例 4 按以下方法制备本发明的含有醚菌酯的杀虫可溶性粒剂:
①将 58%的醚菌酯原药与 2%的 β -环糊精、 4%的垸基芳基聚氧乙烯醚硫酸 盐混合于 55 °C水中, 在 450公斤 /厘米 2高压下搅拌均质;
②将均质后的上述液体混合物进行喷雾干燥, 制成复合母药;
③将 9%的辛基酚聚氧乙烯醚热溶解后, 与 1%的拉开粉 BX、 2%的分散剂 N 、 1%的硼砂、 15%的麦芽糖、 8%的无水柠檬酸和复合母药在 45 °C温度下热 混合, 再在 6公斤 /厘米 2压力下搅拌、 捏合均匀, 得到团剂;
④将团剂在 12公斤 /厘米 2压力下挤制成柱状颗粒;
⑤将柱状颗粒在 70°C下真空干燥 1小时后筛分, 过筛的产品经检测后包装; 过不了筛的产品再重复以上过程后经检测合格包装即成。
按上述比例配成制剂, 每亩使用 1 1.5-17.2克, 对黄瓜白粉病的防效都在 82.3%以上; 对草莓白粉病的防效都在 82.4%以上; 对梨树黑星病的防效都在 79.7%以上。 试验结果如下表所示: 处理 黄瓜白粉病 草莓白粉病 梨树黑星病
病情指 防效 病情指 防效 病情指 防效 数 数 数
17.2g/亩 1.6% 91.7% 2.1% 91.8% 3.3% 87.7%
14.4 g/亩 1.6% 84.8% 2.2% 87.4% 3.4% 83.5%
11.5g/亩 1.7% 82.3% 2.2% 82.4% 3.3% 79.4%
对照 28 g/ 1.6% 85.9% 2.1% 88.9% 3.4% 83.4%
注: 对照为 30%醚菌酯悬浮剂
工业实用性
本发明的含有醚菌酯的杀菌可溶性粒剂对半知菌、 子囊菌和卵菌等治病 真菌引起的大多数病害具有良好的防效。 醚菌酯不仅具有广谱的杀菌活性, 同时兼具有良好的保护和治疗作用, 特别适用于白粉病和黑星病等植物病害 防治。 与其它常用的杀菌剂无交互抗性, 且比常规杀菌剂持效期长。
尽管业已结合优选实施方式对本实用新型进行了说明, 对于本领域技术 人员来说, 显而易见的是, 可以对类似化合物的选择和配比加以改变和改进。 但是, 与本发明相比, 只要其其作用与本发明的相同或相似, 这样的改进都 仍然属于本发明的保护范围。

Claims

权 利 要 求
1. 一种含有醚菌酯的杀菌可溶性粒剂, 其特征在于由醚菌酯、 乳化剂、 分散剂、 润湿剂、 粘结剂、 稳定剂和填料组成, 以可溶性颗粒剂重量为 100 % 计, 其组成含量为: 醚菌酯 2〜60 %、 乳化剂 1〜30 %、 分散剂 1〜10 %、 润湿 剂 1〜5 %、 粘结剂 2〜4 %、 稳定剂 1〜3 %、 其余是填料。
2. 根据权利要求 1所述含有醚菌酯的杀菌可溶性粒剂, 其特征在于所述 乳化剂选自垸基酚聚氧乙烯醚, 苄基酚聚氧乙烯醚及类似物, 和联苯酚聚氧 乙烯醚中的一种或多种。
3. 根据权利要求 2所述含有醚菌酯的杀菌可溶性粒剂, 其特征在于所述 垸基酚聚氧乙烯醚选自壬基酚聚氧乙烯醚和辛基酚聚氧乙烯醚。
4. 根据权利要求 2所述含有醚菌酯的杀菌可溶性粒剂, 其特征在于所述 苄基酚聚氧乙烯醚及类似物选自苄基酚聚氧乙烯醚和苄基垸基酚聚氧乙烯 醚。
5. 根据权利要求 1所述含有醚菌酯的杀菌可溶性粒剂, 其特征在于所述 分散剂选自垸基萘磺酸盐, 双萘磺酸盐甲醛缩合物, 和木质素磺酸钠。
6. 根据权利要求 5所述含有醚菌酯的杀菌可溶性粒剂, 其特征在于所述 垸基萘磺酸盐选自拉开粉 BX和拉开粉 AC。
7. 根据权利要求 5所述含有醚菌酯的杀菌可溶性粒剂, 其特征在于所述 双萘磺酸盐甲醛缩合物选自分散剂 N和分散剂 N O。
8. 根据权利要求 1所述含有醚菌酯的杀菌可溶性粒剂, 其特征在于所述 润湿剂选自垸基苯磺酸盐、 脂肪酰胺 N-甲基磺酸盐和垸基芳基聚氧乙烯醚硫 酸盐中的一种或两种。
9. 根据权利要求 1所述含有醚菌酯的杀菌可溶性粒剂, 其特征在于所述 粘结剂选自聚乙烯醇、 β -环糊精、 甲基纤维素和尿素中的一种或两种。
10. 根据权利要求 1所述含有醚菌酯的杀菌可溶性粒剂, 其特征在于所述 稳定剂选自苯甲酸钠、 硼砂和磷酸氢二钠中的一种。
11. 根据权利要求 1 所述含有醚菌酯的杀菌可溶性粒剂, 其特征在于所 述填料选自碳酸氢钠、 无水柠檬酸、 麦芽糖和无水硫酸钠中的一种或两种。
12. 一种制备权利要求 1-11中任意一项所述含有醚菌酯的杀菌可溶性粒 剂的方法, 包括以下歩骤:
①均质: 将醚菌酯原药与粘结剂、润湿剂混合于 50〜60 °C水中, 在 420〜 450公斤 /厘米 2高压下搅拌均质;
②将均质后的上述液体混合物进行喷雾干燥, 制成复合母药;
③捏合:将乳化剂热溶解后, 与分散剂、稳定剂、填料和复合母药在 45〜 50 °C温度下热混合, 再在 4〜6公斤 /厘米 2压力下搅拌、捏合均匀, 得到团剂;
④挤压造粒:将团剂在 6〜12公斤 /厘米 2压力下挤制成柱状颗粒;
⑤将柱状颗粒在 70°C下真空干燥 1小时后筛分整形即成。
PCT/CN2008/070112 2008-01-15 2008-01-15 Granulés solubles dans l'eau de kresoxim-méthyle et leur préparation WO2009089687A1 (fr)

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