CN101496513A - 一种苯醚甲环唑悬浮种衣剂及其制备方法 - Google Patents
一种苯醚甲环唑悬浮种衣剂及其制备方法 Download PDFInfo
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Abstract
本发明涉及一种农药杀菌剂，特别是涉及苯醚甲环唑悬浮种衣剂。本发明还涉及该杀菌剂悬浮种衣剂的制备方法。所述的苯醚甲环唑悬浮种衣剂，其特征在于所述表面活性剂选用苯乙基酚聚氧乙烯醚缩合物，烷基酚聚氧乙烯基醚甲醛缩合物，烷基苯磺酸钙，烷基磺酸盐或硫酸盐，烷基苯磺酸钙、改性三氧硅烷聚醚、苯乙基酚聚氧乙烯醚硫酸钠盐或磷酸盐，山梨醇聚氧乙烯基醚的一种或几种。所述的苯醚甲环唑悬浮种衣剂的制备方法，其特征在于制备步骤是将苯醚甲环唑与悬浮种衣剂辅料放入剪切釜内，开启高剪切乳化机，使剪切混合均匀后，再经砂磨机研磨2次，再次搅拌均匀，质量检测达技术指标规定的要求，即可包装得产品。
Description
技术领域
本发明涉及农药杀菌剂，特别是涉及苯醚甲环唑悬浮种衣剂。本发明还涉及该杀菌剂悬浮种衣剂及其制备方法。
技术背景
苯醚甲环唑为三唑类广谱、内吸性杀菌剂，具有保护、治疗作用，是甾醇脱甲基化抑制剂。通过抑制细胞壁甾醇的生物合成，它能阻止真菌的生长，提高种子的发芽率。开发研制苯醚甲环唑悬浮种衣剂具有广阔的市场前景，社会效益、经济效益、生态效益显著。
悬浮种衣剂大多数是将水溶性较低而熔点较高(一般>60℃)的固体农药，加入合适的表面活性剂、成膜剂、消泡剂、防冻剂、防腐剂、增稠剂、和水等组成，经砂磨机湿法磨制而成。
发明内容
该发明的优点：
1、药效好。悬浮种衣剂中被分散的固体原药平均粒径为0.1～7.0微米，颗粒近于球形，粒度范围小，分布均匀；同时由于在研磨过程中形成的微小气泡吸附于颗粒表面，从而使悬浮率和稳定性提高；浸种后附着力强，成膜率高，保障了种子的发芽率。
2、生产使用安全，成本低，对环境污染少。悬浮种衣剂一般是以水为连续相的分散体系，用砂磨机湿法生产，这样即可节省大量的有机溶剂，降低成本，又可减少有机溶剂对操做者的刺激和对环境的污染。生产中不产生“三废”，无粉剂和可湿性的粉尘飞扬，生产、贮运均较安全。
有效成分与化学性质
苯醚甲环唑
1)英文通用名：Difenoconazole
2)化学名称：苯醚甲环唑
3)结构式：
4)分子式：C19H17Cl2N3O3，
5)分子量：406.3
6)理化性质：溶解度：水中3.3×10-3，易溶于有机溶剂，乙醇330，丙酮610，甲苯490。稳定性：在300℃以下稳定、在土壤中移动性小，缓慢降解。
本发明的目的是提供一种效果好，成本低，安全环保的苯醚甲环唑悬浮种衣剂。
本发明的另一个目的是提供该悬浮种衣剂的制备方法。
具体实施方式：
本发明是通过下列技术措施来实现的：
该苯醚甲环唑悬浮种衣剂是苯醚甲环唑与悬浮种衣剂常用辅料组成
所述的苯醚甲环唑悬浮种衣剂，该悬浮种衣剂各组分的重量百分比组成为：
苯醚甲环唑2％—10％
表面活性剂0.2％—5％
成膜剂0.5％—6％
增稠剂0.1％—2％
放冻剂5.0％—20.0％
防腐剂0.1％—2.0％
消泡剂0.1％—4.0％
水补足至100％
所述的苯醚甲环唑悬浮种衣剂，其特征在于所述表面活性剂选用苯乙基酚聚氧乙烯醚缩合物，烷基酚聚氧乙烯基醚甲醛缩合物，烷基苯磺酸钙，烷基磺酸盐或硫酸盐，烷基苯磺酸钙、改性三氧硅烷聚醚、苯乙基酚聚氧乙烯醚硫酸钠盐或磷酸盐，山梨醇聚氧乙烯基醚的一种或几种。
所述的苯醚甲环唑悬浮种衣剂，其特征在于所述成膜剂选用丙烯酸复合树脂、聚乙烯醇—醋酸聚乙烯共聚物中的一种或两种。
所述的苯醚甲环唑悬浮种衣剂，其特征在于所述的增稠剂选自黄原胶，羟甲基纤维素，羟乙基纤维素，阿拉伯胶，甲基纤维素或聚乙烯醇中的一种或几种。
所述的苯醚甲环唑悬浮种衣剂，其特征在于所述防腐剂为选自水杨酸钠，尼泊金酯类，苯甲酸钠，山梨酸钾，一种或几种。
所述的苯醚甲环唑悬浮种衣剂，其特征在于所述防冻剂为山梨醇，丙二醇，丙三醇，乙二醇，聚乙烯吡咯烷酮，尿素中的一种或几种。
所述的苯醚甲环唑悬浮种衣剂，其特征在于所述消泡剂选用有机硅类消泡剂，磺酰胺类，羟乙基纤维素中的一种或几种。
所述的苯醚甲环唑悬浮种衣剂的制备方法，其特征在于制备步骤是将苯醚甲环唑与悬浮种衣剂辅料放入剪切釜内，开启高剪切乳化机，使剪切混合均匀后，再经砂磨机研磨2次，再次搅拌均匀，质量检测达技术指标规定的要求，即可包装得产品。
本发明所涉及得产品技术指标：
外观：类白色可流动性均相液体
原药含量(％)(W/W)：2-10
悬浮率(％)：≥90％
成膜率(％)：≥90％
PH(1％水溶液)：5-8
比重(g/L)：1.03(±0.05)
细度(um)：0.1-7.0μm
冷热贮稳定性：合格
本发明的有益效果：本发明提供的杀菌悬浮种衣剂效果好，成本低，安全环保。
本发明提供的生产工艺简单可行，设备投资少，以水为连续相的分散体系，既节省了大量的有机溶剂，降低成本，又减少了有机溶剂对操作者的刺激和对环境的污染。生产过程中无“三废”产生，无粉尘飞扬，且贮运安全。因此可以说是一种绿色环保型的农药制剂，推广应用后必将产生重大的社会效益和经济效益。
下面结合实例对本发明作进一步说明。
实例一：
把95％苯醚甲环唑原药3.2g，苯乙基酚聚氧乙烯醚缩合物1.5g，烷基苯磺酸钙1.0g，改性三氧硅烷聚醚1.5g，丙烯酸复合树脂0.5g，有机硅消泡剂0.2g，乙二醇10.0g，山梨酸钾0.1g，黄原胶0.8g，水81.2g混合均匀，进入砂磨机研磨，直至悬浮液的细度达到要求(D90＝5um，下同)，即得3.0％FS产品。
实例二：
把95％苯醚甲环唑原药3.2g，苯乙基酚聚氧乙烯醚缩合物1.5g，烷基苯磺酸钙1.0g，山梨醇聚氧乙烯基醚1.0g，聚乙烯醇—醋酸聚乙烯共聚物0.5g，有机硅消泡剂0.2g，丙二醇10.0g，山梨酸钾0.2g，黄原胶1.0g，水81.4g混合均匀，进入砂磨机研磨，直至悬浮液的细度达到要求(D90＝5um，下同)，即得3.0％FS产品。实例三：
把95％苯醚甲环唑原药3.2g，苯乙基酚聚氧乙烯醚缩合物1.5g，烷基苯磺酸钙1.0g，山梨醇聚氧乙烯基醚1.0g，丙烯酸复合树脂1.0g，羟乙基纤维素0.5g，乙二醇10.0g，水杨酸钠0.5g，羟乙基纤维素0.5g，水80.8g混合均匀，进入砂磨机研磨，直至悬浮液的细度达到要求(D90＝5um，下同)，即得3.0％FS产品。
实例四：
把95％苯醚甲环唑原药3.2g，苯乙基酚聚氧乙烯醚硫酸钠盐1.7g，木质素磺酸钠0.5g，山梨醇聚氧乙烯基醚1.5g，聚乙烯醇—醋酸聚乙烯共聚物0.5g，羟乙基纤维素0.5g，乙二醇10.0g，水杨酸钠0.5g，羟乙基纤维素0.5g，水81.qg混合均匀混合均匀，进入砂磨机研磨，直至悬浮液的细度达到要求(D90＝5um，下同)，即得40.0％SC产品。
Claims (8)
1、一种苯醚甲环唑悬浮种衣剂，含有效成分苯醚甲环唑、表面活性剂、成膜剂、消泡剂、防冻剂、防腐剂、增稠剂和水。各成分重量百分比计为：
苯醚甲环唑 2％—10％
表面活性剂 0.2％—5％
成膜剂 0.5％—6％
增稠剂 0.1％—2％
放冻剂 5.0％—20.0％
防腐剂 0.1％—2.0％
消泡剂 0.1％—4.0％
水补足至 100％。
2、根据权利要求1所述的苯醚甲环唑悬浮种衣剂，其特征在于所述表面活性剂选用苯乙基酚聚氧乙烯醚缩合物，烷基酚聚氧乙烯基醚甲醛缩合物，烷基苯磺酸钙，烷基磺酸盐或硫酸盐，烷基苯磺酸钙、改性三氧硅烷聚醚、苯乙基酚聚氧乙烯醚硫酸钠盐或磷酸盐，山梨醇聚氧乙烯基醚的一种或几种。
3、根据权利要求1所述的苯醚甲环唑悬浮种衣剂，其特征在于所述成膜剂选用丙烯酸复合树脂、聚乙烯醇—醋酸聚乙烯共聚物中的一种或两种。
4、根据权利要求1所述的苯醚甲环唑悬浮种衣剂，其特征在于所述的增稠剂选自黄原胶，羟甲基纤维素，羟乙基纤维素，阿拉伯胶，甲基纤维素或聚乙烯醇中的一种或几种。
5、根据权利要求1所述的苯醚甲环唑悬浮种衣剂，其特征在于所述防腐剂为选自水杨酸钠，尼泊金酯类，苯甲酸钠，山梨酸钾，一种或几种。
6、根据权利要求1所述的苯醚甲环唑悬浮种衣剂，其特征在于所述防冻剂为山梨醇，丙二醇，丙三醇，乙二醇，聚乙烯吡咯烷酮，尿素中的一种或几种。
7、根据权利要求1所述的苯醚甲环唑悬浮种衣剂，其特征在于所述消泡剂选用有机硅类消泡剂，磺酰胺类，高级脂肪醇中的一种或几种。
8、如权利要求1所述的苯醚甲环唑悬浮种衣剂的制备方法，其特征在于制备步骤是将苯醚甲环唑与悬浮种衣剂辅料放入剪切釜内，开启高剪切乳化机，使剪切混合均匀后，再经砂磨机研磨2次，再次搅拌均匀，质量检测达技术指标规定的要求，即可包装得产品。
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| CN102090398A (zh) * | 2009-12-10 | 2011-06-15 | 上海市农业科学院 | 一种种子处理剂及其制备方法 |
| CN102308838A (zh) * | 2011-09-28 | 2012-01-11 | 联保作物科技有限公司 | 一种杀虫防病悬浮种衣剂 |
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| CN102388911A (zh) * | 2011-09-28 | 2012-03-28 | 联保作物科技有限公司 | 一种悬浮种衣剂 |
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| CN108477177A (zh) * | 2018-05-16 | 2018-09-04 | 安徽省四达农药化工有限公司 | 一种苯醚甲环唑悬浮种衣剂及其制备方法 |
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| CN1726781A (zh) * | 2005-07-26 | 2006-02-01 | 河北农业大学 | 高效、低毒小麦种衣剂 |
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| CN102090398A (zh) * | 2009-12-10 | 2011-06-15 | 上海市农业科学院 | 一种种子处理剂及其制备方法 |
| CN102308838A (zh) * | 2011-09-28 | 2012-01-11 | 联保作物科技有限公司 | 一种杀虫防病悬浮种衣剂 |
| CN102388911A (zh) * | 2011-09-28 | 2012-03-28 | 联保作物科技有限公司 | 一种悬浮种衣剂 |
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| CN106797729A (zh) * | 2017-01-24 | 2017-06-06 | 吉林省农业科学院 | 花生种皮保护剂及花生种衣剂 |
| CN106797729B (zh) * | 2017-01-24 | 2020-04-21 | 吉林省农业科学院 | 花生种皮保护剂及花生种衣剂 |
| CN108477177A (zh) * | 2018-05-16 | 2018-09-04 | 安徽省四达农药化工有限公司 | 一种苯醚甲环唑悬浮种衣剂及其制备方法 |
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