CN106376586A - 苯磺隆油悬浮剂 - Google Patents
苯磺隆油悬浮剂 Download PDFInfo
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Abstract
本发明提出了一种苯磺隆油悬浮剂,按照重量百分数计算,包括:苯磺隆10~30%、润湿剂2~10%、分散剂2~8%、渗透剂1~6%、增稠剂0.5~6%、消泡剂0.1~1%,余量为油;所述增稠剂为有机改性膨润土与改性镁铝水滑石组成的混合物,所述改性镁铝水滑石为十二烷基磺酸插层镁铝类水滑石,所述的渗透剂为JFC、快速渗透剂T或者氮酮。该悬浮剂不仅悬浮稳定性高,满足高海拔低温地区的需要,而且药效好。
Description
技术领域
本发明属于除草剂技术领域,具体涉及一种苯磺隆油悬浮剂。
背景技术
苯磺隆化学名称为2-[4-甲氧基-6-甲基-1,3,5-三嗪-2-基(甲基)氨基甲酰氨基磺酰基]苯甲酸或甲酯。苯磺隆是磺酰脲类内吸传导型芽后选择性除草剂,茎叶处理后可被杂草茎叶、根吸收,并在体内传导,通过阻碍乙酰乳酸合成酶,使缬氨酸、异亮氨酸的生物合成受抑制,阻止细胞***,致使杂草死亡。双子叶杂草繁缕、荠菜、麦瓶草、麦家公、离子草、猪殃殃、碎米荠、雀舌草、卷茎蓼等对苯磺隆敏感,泽漆、婆婆纳等中度敏感。施药后10-14天观察到杂草受到严重抑制作用,逐渐心叶退绿坏死,叶片退绿,一般在冬小麦药后30天逐渐整株枯死,未死植株生长受抑制,作用比较缓慢。田旋花、鸭趾草、铁苋菜、扁蓄、刺儿菜等防效差,随剂量升高抑制作用增强。苯磺隆对禾谷类作物有很好的耐药性。
农药油悬浮剂为不溶于油的固体农药或不混溶液体农药在油中的分散体,从生产角度考虑,一般要求原药在室温下为固体,且在分散介质中的溶解度(20℃~40℃)低于100mg/L的农药品种。农药油悬浮剂的优点是可与油以任意比例均匀混合分散,使用方便,不易污染环境,可直接或稀释后喷雾。加工制备方法可通过湿法粉碎制成高分散、连续相的悬浮液,其粒子的平均粒径一般在3微米以下,大大提高了粒子在水介质中的悬浮率,增强了农作物对药剂的吸收。现有苯磺隆油悬浮剂以大豆油为主,比如中国专利申请200910170145.5提出了一种苯磺隆油悬浮剂及其制备方法,该悬浮剂在实际使用过程中存在的问题是:东北地区温度较低,悬浮剂在那边保持乳液状态时间短,容易形成絮凝,导致药效发挥大打折扣。
发明内容
本发明提出一种苯磺隆油悬浮剂,该悬浮剂不仅悬浮稳定性高,满足高海拔低温地区的需要,而且药效好。
本发明的技术方案是这样实现的:
一种苯磺隆油悬浮剂,按照重量百分数计算,包括:
苯磺隆10~30%、润湿剂2~10%、分散剂2~8%、渗透剂1~6%、增稠剂0.5~6%、消泡剂0.1~1%,余量为油;所述增稠剂为有机改性膨润土与改性镁铝水滑石组成的混合物,所述改性镁铝水滑石为十二烷基磺酸插层镁铝类水滑石,所述的渗透剂为JFC、快速渗透剂T或者氮酮。
进一步,所述有机改性膨润土与改性镁铝水滑石的质量比为3~5:1。
进一步,所述有机改性膨润土为十二烷基二甲基苄基氯化铵对钠基膨润土进行改性得到。
进一步,所述润湿剂为脂肪醇聚乙二醇醚硫酸盐、脂肪醇聚氧乙烯醚或者烷基萘磺酸甲醛缩合物。
进一步,所述分散剂选自木质素磺酸钠、木质素磺酸钙、亚甲基双萘磺酸钠或者聚乙烯吡咯烷酮。
进一步,所述消泡剂为正辛醇或者硅酮。
进一步,所述油为大豆油、菜子油、花生油或者环氧大豆油
本发明苯磺隆的制备方法:
1)向混合釜内加入苯磺隆原药、润湿剂、分散剂、消泡剂和油,在高剪切搅拌下,使物料充分混合均匀,得到混合物A;
2)然后将混合物A加热至40~60℃,加入渗透剂、有机改性膨润土与改性镁铝水滑石,不断搅拌,冷却至室温后,将混合物料打入砂磨机中研磨,砂磨2~3h,即可。
本发明的有益效果:
1、本发明的增稠剂为有机改性膨润土与十二烷基磺酸插层镁铝类水滑石组成的混合物,有机改性膨润土不仅能够增稠、助稳定性以及助悬浮性,而且通过对有机膨润土的改性增强了其亲水性,有利于苯磺隆药效的发挥。十二烷基磺酸插层镁铝类水滑石具备较强的疏水性,其与有机改性膨润土混合后,提高了其触变性能,增强了静电引力作用形成的空间网状结构,提高了有悬浮剂在低温的稳定性。40~60℃条件下加入有机改性膨润土与改性镁铝水滑石,有利于增稠剂与苯磺隆原药作用提高其稳定性。
2、本发明的苯磺隆油悬浮剂使用时在作物面展着渗透性好,减少了有效成分流失,有明显增效作用。
具体实施方式
实施例1
苯磺隆10kg、脂肪醇聚乙二醇醚硫酸钠2kg、快速渗透剂T2kg、木质素磺酸钠4kg、有机改性膨润土0.5kg、十二烷基磺酸插层镁铝类水滑石0.1kg、硅酮0.1kg,81.3kg大豆油。
制备方法:
1)向混合釜内加入苯磺隆原药、脂肪醇聚乙二醇醚硫酸钠、木质素磺酸钠、硅酮和大豆油,在高剪切搅拌下,使物料充分混合均匀,得到混合物A;
2)然后将混合物A加热至45℃,加入快速渗透剂T、有机改性膨润土与十二烷基磺酸插层镁铝类水滑石,不断搅拌,冷却至室温后,将混合物料打入砂磨机中研磨,砂磨2h,即可。
实施例2
苯磺隆15kg、脂肪醇聚氧乙烯醚4kg、氮酮1kg、木质素磺酸钙5kg、有机改性膨润土2kg、十二烷基磺酸插层镁铝类水滑石0.5kg、正辛醇0.5kg,环氧大豆油72kg。
制备方法:
1)向混合釜内加入苯磺隆原药、脂肪醇聚氧乙烯醚、木质素磺酸钙、正辛醇和环氧大豆油,在高剪切搅拌下,使物料充分混合均匀,得到混合物A;
2)然后将混合物A加热至40℃,加入氮酮、有机改性膨润土与十二烷基磺酸插层镁铝类水滑石,不断搅拌,冷却至室温后,将混合物料打入砂磨机中研磨,砂磨2h,即可。
实施例3
苯磺隆20kg、烷基萘磺酸甲醛缩合物8kg、JFC4kg、聚乙烯吡咯烷酮7kg、有机改性膨润土3.6kg、1.2kg十二烷基磺酸插层镁铝类水滑石、正辛醇0.8kg,55.4kg花生油。
制备方法:
1)向混合釜内加入苯磺隆原药、烷基萘磺酸甲醛缩合物、聚乙烯吡咯烷酮、正辛醇和花生油,在高剪切搅拌下,使物料充分混合均匀,得到混合物A;
2)然后将混合物A加热至55℃,加入JFC、有机改性膨润土与十二烷基磺酸插层镁铝类水滑石,不断搅拌,冷却至室温后,将混合物料打入砂磨机中研磨,砂磨2.5h,即可。
实施例4
苯磺隆30kg、烷基萘磺酸甲醛缩合物8kg、氮酮3kg、亚甲基双萘磺酸钠10kg、有机改性膨润土4kg、十二烷基磺酸插层镁铝类水滑石1kg、硅酮1kg,43kg菜子油。
制备方法:
1)向混合釜内加入苯磺隆原药、烷基萘磺酸甲醛缩合物、亚甲基双萘磺酸钠、硅酮和花生油,在高剪切搅拌下,使物料充分混合均匀,得到混合物A;
2)然后将混合物A加热至60℃,加入氮酮、有机改性膨润土与十二烷基磺酸插层镁铝类水滑石,不断搅拌,冷却至室温后,将混合物料打入砂磨机中研磨,砂磨3h,即可。
实施例5
将实施例1-4制备得到的苯磺隆油悬浮剂进行性能指标检测,结果如表1:
表1实施例1-4苯磺隆油悬浮剂性能检测结果
从表1中我们可以看出,本发明制备的苯磺隆油悬浮剂润湿性能优良,悬浮率较高,且贮存稳定性好,并且在-4℃下具有很强的稳定性,满足东北地区的需要。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (6)
1.一种苯磺隆油悬浮剂,其特征在于,按照重量百分数计算,包括:
苯磺隆10~30%、润湿剂2~10%、分散剂2~8%、渗透剂1~6%、增稠剂0.5~6%、消泡剂0.1~1%,余量为油;所述增稠剂为有机改性膨润土与改性镁铝水滑石组成的混合物,所述改性镁铝水滑石为十二烷基磺酸插层镁铝类水滑石,所述的渗透剂为JFC、快速渗透剂T或者氮酮。
2.根据权利要求1所述的苯磺隆油悬浮剂,其特征在于,所述有机改性膨润土与改性镁铝水滑石的质量比为3~5:1。
3.根据权利要求1所述的苯磺隆油悬浮剂,其特征在于,所述润湿剂为脂肪醇聚乙二醇醚硫酸盐、脂肪醇聚氧乙烯醚或者烷基萘磺酸甲醛缩合物。
4.根据权利要求1所述的苯磺隆油悬浮剂,其特征在于,所述分散剂选自木质素磺酸钠、木质素磺酸钙、亚甲基双萘磺酸钠或者聚乙烯吡咯烷酮。
5.根据权利要求1至4任意一项所述的苯磺隆油悬浮剂,其特征在于,所述消泡剂为正辛醇或者硅酮。
6.根据权利要求1至4任意一项所述的苯磺隆油悬浮剂,其特征在于,所述油为大豆油、菜子油、花生油或者环氧大豆油。
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Citations (2)
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CN101411331A (zh) * | 2008-12-01 | 2009-04-22 | 北京颖泰嘉和科技股份有限公司 | 一种除草剂组合物 |
CN101642124A (zh) * | 2009-09-04 | 2010-02-10 | 山东富安集团农药有限公司 | 苯磺隆油悬浮剂及其制备方法 |
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CN101411331A (zh) * | 2008-12-01 | 2009-04-22 | 北京颖泰嘉和科技股份有限公司 | 一种除草剂组合物 |
CN101642124A (zh) * | 2009-09-04 | 2010-02-10 | 山东富安集团农药有限公司 | 苯磺隆油悬浮剂及其制备方法 |
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Title |
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翟利利: "烟嘧磺隆油悬浮剂的制备及其流变学研究", 《中国优秀硕士学位论文全文数据库,农业科技辑》 * |
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