CN101601402B - 含有喹禾灵的除草组合物 - Google Patents
含有喹禾灵的除草组合物 Download PDFInfo
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Abstract
本发明属改进的除草组合物，其中制备方法及用途，它是由化合物(A)为喹禾灵组成的混合物，能有效防除水稻田中的稗草、千金子、鸭舌草、节节菜、泽泻、慈姑、四眼萍、水莎草、异型莎草等杂草。防效显著高于单用化合物(A)或化合物(B)的防效，并且大幅度减少了多种活性物质的施用剂量。
Description
技术领域：
本发明涉及具有改进性能的除草组合物。
化合物(A)的通用名为喹禾灵，化学名为(RS)-2-[4-(6-氯-2-喹恶啉基氧代)苯氧基]丙酸乙酯，是一种旱田除草剂。该除草剂可用于大豆、甜菜等田防除杂草，但对于其在水中的使用，国内外专利还未提及到；因此它与其它化合物的混合作用是无法预料的。
发明内容：
本发明提供的除草组合物，其中特征在于包括组分(A)((RS)-2-[4-(6-氯-2-喹恶啉基氧代)苯氧基]丙酸乙酯)，其中作为有效组份式(1)代表的化合物(A)和至少一种特定的其它除草组合物(B)
苄嘧磺隆(B)：
本发明除草组合物的有效成分含量为：1～90％wt
在本发明的除草组合物中化合物(A)与化合物(B)之间的重量比一般是：
(A)与苄嘧磺隆(B)比为1～50∶1 优选1～20∶1
本发明所提供的除草组合物具备杀草谱广的特点，能有效防除水稻田中的稗草、千金子、鸭舌草、节节菜、泽泻、慈姑、四眼萍、水莎草、异型莎草等杂草。防效显著高于单用化合物(A)或化合物(B)的防效，并且大幅度减少了多种活性物质的施用剂量。
本发明用于水稻田除草，杂草出齐作茎叶喷雾处理。
可采用的表面活性有阴离子型表面活性剂和非离子型表面活性剂。包括硫酸盐类的脂肪醇硫酸盐、烷基醇聚氧乙烯基醚硫酸钠等，磺酸盐类的烷基磺酸钠、烷基苯磺酸盐、烷基萘磺酸盐、烷基丁二酸磺酸盐、单烷基苯基聚氧乙烯基醚丁二酸磺酸盐、脂肪醇环氧乙烷加成物磺酸盐、、烷基酚甲醛缩合物环氧乙烷加成物磺酸盐、脂肪醇环氧乙烯基醚、烷基酚聚氧乙烯基醚、失水山梨醇脂肪酸脂、失水山梨醇脂肪酸聚氧乙烯基醚、烷基酚甲醛缩合物聚氧乙烯基醚、磺化蓖麻醇盐、季铵盐衍生物、环氧乙烷与壬基或辛基苯酚的缩合物为主的产品或通过酯化不游离的基与环氧乙烷、硫酸酯及磺酸的碱金属及碱土金属盐，如磺酰琥珀酯二壬辛基钠以及诸如木质素磺酸钠和钙的高分子磺酸衍生物的碱和碱土金属盐缩合而成查溶性的无水山梨醇的羧酸酯等。可以举例的有农乳2000号系列、石油磺酸钠、十二烷基磺酸钠、拉开粉、月桂醇聚氧乙烯醚磺酸钠、吐温系列等。
本发明含有喹禾灵的除草组合物可湿性粉剂中含有各种活性组分的混合物、惰性运输线载体和填料及一种或多种润滑剂和分散剂。载体通常为矿物性惰性物质如陶土、高岭土、膨润土、滑石粉、硅藻土等。该发明的除草组合物的可湿性粉剂通常含有1-90％(重量)(较优为5-80％)的活性组分混合物，0。25-25％(较优为1-25％)(重量)的分散剂，5-95％(重量)(较优为5-80％)和惰性固体载体及填料。由它们共同组成除草组合物。
本发明除草组合物的悬浮剂是将水溶性较差的活性组分与乳化剂、分散剂、润湿剂等一起在水中不断搅拌，使之均匀分散和悬浮，以便喷雾使用。可根据需要适当加入增稠剂、防冻剂、消泡剂等。适宜的悬浮剂包含0。1-60％(重量)(较优为3-50％)的活性成分。上限由活性组分在溶剂中的溶解限度来决定。
本发明除草组合物粉剂是将有效成分与细颗粒的呈分散状的固体物质如滑石粉、天然粘土和高岭土、皂土、叶蜡石或硅藻土经磨粉加工而得。粉剂含有效成分大约为0.1-50％(重量)，较优为2-40％。
本发明颗粒剂的制备是将有效成分喷洒在具有吸附性能的颗粒状惰性物质表面或将有效成分用聚乙烯醇、聚丙烯酸钠等粘合剂或矿物油粘附到砂子、高岭土等载体物质表面或颗粒状惰性物质表面，也可以用通常制造颗粒肥料的方法将某些合适的有效成分加工成颗粒剂。水中可分散的颗粒剂其有效成分含量在5-90％之间(重量)，撒施颗粒剂中有效成分含量在1-50％之间(重量)，优选1-25％之间。
具体实施方式：
以下实施例详细说明了本发明。实施例主要是为了说明本以明，而非用来限制本发明。
实施例1为剂型制备例，实施例2为生物实施例，
实施例1：
a：悬浮剂
将2％的活性组分A和20％的活性组分B与作为乳化剂5％的0201B，作为浸湿剂的的JFC，作为分散剂的3％拉开粉以及作为消泡剂的3％的正丁醇依次混匀，在胶体磨中磨到粒径5微米以下即可.
b可湿性粉剂：
将40份重的有效组合物和2份重的用作润湿剂的十二烷基苯磺酸钠、10份重的颗粒状白炭黑作为吸附剂，5份重的用作分散剂的木质素磺酸钠与43份重的高岭土在气流粉碎机中经超微粉碎而成。
c粉剂：
将10份重的有效组合物和90份重的作为惰性物质的滑石粉混合，在高速粉碎机中粉碎均匀而成。
d颗粒剂：
由20份重的有效成分组合物，20份重的木质素磺酸钠，15份重月桂基磺酸钠，25份重的聚乙烯醇和25份重的高岭土制成。
实施例2、喹禾灵与苄嘧磺隆混用对稻田杂草的防除效果
地点：江苏、新沂
施药时期：杂草2-3叶期 调查：药后30天 时间：2008年
结论：喹禾灵与苄嘧磺隆混用的实际防效高于其混用预期理论防效，同时可以扩大杀草谱，证明喹禾灵与苄嘧磺隆混用有增效及扩大杀草谱作用.
Claims (2)
1.一种含有喹禾灵的除草组合物，其特征在于活性成分是A喹禾灵和B苄嘧磺隆，
A的结构式为：
化合物B的结构式为：
除草组合物中活性成分A喹禾灵与B苄嘧磺隆之间的重量比：
A喹禾灵与B苄嘧磺隆为1～50∶1。
2.根据权利要求1所述的组合物，其特征是组合物的有效成份含量为1～90％wt。
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| CN2009100317805A CN101601402B (zh) | 2009-07-14 | 2009-07-14 | 含有喹禾灵的除草组合物 |
Applications Claiming Priority (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE19834627A1 (de) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Herbizides Mittel |
| WO2003061383A1 (en) * | 2002-01-23 | 2003-07-31 | Bio Dreams Co., Ltd. | A sustained-releasing agricultural chemical and the method for producing thereof |
| CN101455196A (zh) * | 2008-12-23 | 2009-06-17 | 中国人民解放军海军医学研究所 | 一种农药泡腾组合物及其制备方法 |
| WO2009082939A1 (en) * | 2007-12-19 | 2009-07-09 | Rotam Agrochem International Co., Ltd | Agrochemical composition and method for preparing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19834627A1 (de) * | 1998-07-31 | 1998-12-03 | Novartis Ag | Herbizides Mittel |
| WO2003061383A1 (en) * | 2002-01-23 | 2003-07-31 | Bio Dreams Co., Ltd. | A sustained-releasing agricultural chemical and the method for producing thereof |
| WO2009082939A1 (en) * | 2007-12-19 | 2009-07-09 | Rotam Agrochem International Co., Ltd | Agrochemical composition and method for preparing the same |
| CN101455196A (zh) * | 2008-12-23 | 2009-06-17 | 中国人民解放军海军医学研究所 | 一种农药泡腾组合物及其制备方法 |
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