CN106342859A - 甲基二磺隆油悬浮剂 - Google Patents

甲基二磺隆油悬浮剂 Download PDF

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CN106342859A
CN106342859A CN201610739575.4A CN201610739575A CN106342859A CN 106342859 A CN106342859 A CN 106342859A CN 201610739575 A CN201610739575 A CN 201610739575A CN 106342859 A CN106342859 A CN 106342859A
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沈运河
余正莲
赵晓俊
范富云
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Anhui Easy Agriculture Limited-Liability Co Of A Specified Duration
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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
    • A01N47/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/36Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
    • 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
    • A01N25/00Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A01N25/04Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • 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
    • A01N25/00Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/22Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients stabilising the active ingredients

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
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  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
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Abstract

本发明提出了一种甲基二磺隆油悬浮剂,按照重量百分数计算,包括:甲基二磺隆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%,余量为油酸乙酯;所述增稠剂为活性污泥、羟乙基纤维素与硬脂酸组成的混合物,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

甲基二磺隆油悬浮剂
技术领域
本发明属于除草剂技术领域,具体涉及一种甲基二磺隆油悬浮剂。
背景技术
小麦是我国北方最重要的粮食作物,事关国计民生及国家的粮食安全,主要以冬小麦为主,约占90%,而麦田的杂草影响了小麦的生长。小麦主要杂草有30种左右,如看麦娘、日本看麦娘、雀麦、早熟禾、硬草、棒头草、芒草、猪殃殃、牛繁缕、婆婆纳、碎米齐、酸模叶蓼、雀舌草、大巢菜、野油菜、播娘蒿、大巢菜、麦家公、荠菜、泽漆、田旋花、刺儿菜、米瓦罐、藜、小藜、匾蓄和宝盖草,目前常用的小麦田茎叶除草剂只对阔叶草防治效果好,对禾本科杂草防效差,部分对禾本科草效果好的对阔叶草效果又不行,同时由于某些除草剂连年使用造成杂草的抗药性很大。甲基二磺隆对野燕麦、雀麦、看麦娘等禾本科杂草和多种双子叶杂草有明显防除草效果对小麦具有极好的安全性。可有效防除小麦田大部分禾本科杂草,但对部分禾本科和大部分阔叶草效果不佳。
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。现有甲基二磺隆油悬浮剂以大豆油为主,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
本发明提出一种甲基二磺隆油悬浮剂,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:
一种甲基二磺隆油悬浮剂,按照重量百分数计算,包括:
甲基二磺隆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%,余量为油酸乙酯;所述增稠剂为活性污泥、羟乙基纤维素与硬脂酸组成的混合物,所述的渗透剂为JFC、快速渗透剂T或者氮酮。
进一步,按照重量百分数计算,所述增稠剂由1~5%活性污泥、40~60%羟乙基纤维素与35~50%硬脂酸组成。
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。
本发明甲基二磺隆的制备方法:
1)向混合釜内加入甲基二磺隆原药、润湿剂、分散剂、消泡剂和油酸乙酯,在高剪切搅拌下,使物料充分混合均匀,得到混合物A;
2)活性污泥、羟乙基纤维素与硬脂酸加热至60~80℃搅拌均匀后,冷却至室温,然后将混合物A与渗透剂加入其中,不断搅拌,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、本发明的油悬浮剂中的增稠剂为活性污泥、羟乙基纤维素与硬脂酸组成的混合物。活性污泥、羟乙基纤维素与硬脂酸在60~80℃搅拌混合,形成比较稳定的凝胶网状结构,减缓已经分散颗粒的沉降速率,保持有效成分呈稳定的悬浮状态,较有机膨润土与二氧化硅相比,其形成的网状结构更加稳定,即使在零下4度的情况下,其也能使得分散颗粒保持较好的悬浮效果。
2、本发明的甲基二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
按照重量百分数计算,增稠剂由1%活性污泥、60%羟乙基纤维素与39%硬脂酸组成,制备方法为:将活性污泥、羟乙基纤维素与硬脂酸加热至60℃搅拌均匀后冷却至室温即可。
实施例2
按照重量百分数计算,增稠剂由5%活性污泥、45%羟乙基纤维素与50%硬脂酸组成,制备方法为:将活性污泥、羟乙基纤维素与硬脂酸加热至80℃搅拌均匀后冷却至室温即可。
实施例3
甲基二磺隆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、实施例1的增稠剂0.6kg、硅酮0.1kg,81.3kg油酸乙酯。
制备方法:
1)向混合釜内加入甲基二磺隆原药、脂肪醇聚乙二醇醚硫酸钠、木质素磺酸钠、硅酮和油酸乙酯,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中加入快速渗透剂T与实施例1的增稠剂,不断搅拌,将混合物料打入砂磨机中研磨,砂磨2h,即可。
实施例4
甲基二磺隆15kg、脂肪醇聚氧乙烯醚4kg、氮酮1kg、木质素磺酸钙5kg、实施例2的增稠剂2.5kg、正辛醇0.5kg,油酸乙酯72kg。
制备方法:
1)向混合釜内加入甲基二磺隆原药、脂肪醇聚氧乙烯醚、木质素磺酸钙、正辛醇和油酸乙酯,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中加入快速渗透剂T与实施例2的增稠剂,不断搅拌,将混合物料打入砂磨机中研磨,砂磨2h,即可。
实施例5
甲基二磺隆20kg、烷基萘磺酸甲醛缩合物8kg、JFC4kg、聚乙烯吡咯烷酮7kg、实施例2的增稠剂4.8kg、正辛醇0.8kg,55.4kg油酸乙酯。
制备方法:
1)向混合釜内加入甲基二磺隆原药、烷基萘磺酸甲醛缩合物、聚乙烯吡咯烷酮、正辛醇和油酸乙酯,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加入JFC与实施例2的增稠剂,不断搅拌,将混合物料打入砂磨机中研磨,砂磨2.5h,即可。
实施例6
甲基二磺隆30kg、烷基萘磺酸甲醛缩合物8kg、氮酮3kg、亚甲基双萘磺酸钠10kg、实施例1的增稠剂5kg、硅酮1kg,43kg油酸乙酯。
制备方法:
1)向混合釜内加入甲基二磺隆原药、烷基萘磺酸甲醛缩合物、亚甲基双萘磺酸钠、硅酮和油酸乙酯,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加入氮酮与实施例1的增稠剂,不断搅拌,将混合物料打入砂磨机中研磨,砂磨3h,即可。
实施例7
将实施例3-6制备得到的甲基二磺隆油悬浮剂进行性能指标检测,结果如表1:
表1实施例3-6甲基二磺隆油悬浮剂性能检测结果
从表1中我们可以看出,本发明制备的甲基二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 (5)

1.一种甲基二磺隆油悬浮剂,其特征在于,按照重量百分数计算,包括:
甲基二磺隆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%,余量为油酸乙酯;所述增稠剂为活性污泥、羟乙基纤维素与硬脂酸组成的混合物,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所述的甲基二磺隆油悬浮剂,其特征在于,按照重量百分数计算,所述增稠剂由1~5%活性污泥、40~60%羟乙基纤维素与35~50%硬脂酸组成。
3.根据权利要求1所述的甲基二磺隆油悬浮剂,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所述的甲基二磺隆油悬浮剂,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任意一项所述的甲基二磺隆油悬浮剂,其特征在于,所述消泡剂为正辛醇或者硅酮。
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CN115104608A (zh) * 2022-08-08 2022-09-27 安徽久易农业股份有限公司 环磺酮油悬浮剂

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115104608A (zh) * 2022-08-08 2022-09-27 安徽久易农业股份有限公司 环磺酮油悬浮剂

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