CN111802386A - 高性能农药助剂 - Google Patents

高性能农药助剂 Download PDF

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CN111802386A
CN111802386A CN202010652001.XA CN202010652001A CN111802386A CN 111802386 A CN111802386 A CN 111802386A CN 202010652001 A CN202010652001 A CN 202010652001A CN 111802386 A CN111802386 A CN 111802386A
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polyoxyethylene ether
sulfonate
pesticide
oil
parts
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张卫
李翠英
何建芬
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Shijiazhuang Bojiate Chemical Industry Co ltd
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Shijiazhuang Bojiate Chemical Industry Co ltd
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Abstract

本发明涉及一种高性能农药助剂，属于农药助剂技术领域，包含有下述质量百分比的组分：植物油及其衍生物：55‑75%，润湿剂5‑8%，渗透剂3‑6%，乳化剂11‑20%，分散剂4‑7%和抗漂移剂2‑4%。本发明产品具有渗透性良好、润湿性强、用量少、高效环保等优点，其表面张力（稀释1000倍）可低至25mN/m以下，有效地提高了农药有效成分的利用率；混配通用性高，可与各种农药混配，在病虫螨害等防治效果中极佳；也可适用于各种剂型，尤其是在水悬剂、油悬剂上增效效果更佳，解决了目前某些助剂只能用于单种农药的局限性。

Description

高性能农药助剂
技术领域
本发明涉及一种高性能农药助剂，属于农药助剂技术领域。
背景技术
喷雾是目前农业上应用较为广泛的方法，但在喷洒过程中，药液在植物叶子上的粘附性差，再加上喷雾颗粒小，遇风产生飘移，遇到雨水更易流失，从而降低了药液的吸收。农药助剂可显著降低溶液的表面张力，减轻飘移和弹跳等负面影响，增强液滴与叶片间的粘附力和展着力，提高农药的渗透性和内吸性，促进药剂在植物体内的传导，降低植物毒性，使农药制剂更加高效环保。
经过试验数据对比，国内现售农药助剂的表面张力普遍偏高，最低约为30mN/m(稀释1000倍)，导致农药有效成分的利用率偏低；现售的农药助剂混配通用性差，不同类型农药、不同种类植物需要不同的农药助剂，导致使用过程的浪费。专利CN201810209725.X提到的一种农药喷雾专用增效剂能显著降低药液表面张力，提高药物的渗透，但所述农药喷雾专用增效剂仅配合常用杀菌剂、杀虫剂用于防治小麦的病虫害，适用面窄。
发明内容
本发明的目的是提供一种高性能农药助剂，其表面张力(稀释1000倍)可低至25mN/m以下，混配通用性高，可与各种农药混配。
为了实现上述目的，本发明采用的技术方案是：
一种高性能农药助剂，包含有下述质量百分比的组分：植物油及其衍生物：55-75％，润湿剂5-8％，渗透剂3-6％，乳化剂11-20％，分散剂4-7％和抗漂移剂2-4％。
本发明技术方案的进一步改进在于：所述植物油及其衍生物包括大豆油、油酸甲酯、油酸乙酯、油酸异丙酯、蓖麻油、棕榈油、菜籽油、棉籽油、松节油、植物精油的一种或多种。
本发明技术方案的进一步改进在于：所述润湿剂包括烷基硫酸盐、磺酸盐、聚氧乙烯烷基酚醚、脂肪醇聚氧乙烯醚(AEO-3、AEO-5、AEO-7)、聚氧乙烯聚氧丙烯嵌段共聚物和硅醇类的一种或多种。
本发明技术方案的进一步改进在于：所述渗透剂包括聚醚改性三硅氧烷、三硅氧烷聚氧乙烯醚磷酸酯、脂肪醇聚氧乙烯醚(JFC)、顺丁烯二酸二异辛酯磺酸盐、异辛醇聚氧乙烯醚磷酸酯、烷基萘磺酸钠、氮酮一种或多种。
本发明技术方案的进一步改进在于：所述的乳化剂包括烷基苯磺酸钙、烷基苯磺酸钠、苯乙烯基苯基聚氧乙烯醚、烷基酚甲醛树脂聚氧乙烯醚、苯乙基苯基聚氧乙烯一聚氧丙烯醚、失水山梨醇脂肪酸酯、失水山梨醇脂肪酸酯聚氧乙烯醚、蓖麻油聚氧乙烯醚、烷基酚聚氧乙烯醚、烷基酚甲醛树脂聚氧乙烯醚、脂肪醇聚氧乙烯醚、脂肪醇聚氧乙烯醚硫酸盐、脂肪醇聚氧乙烯醚磺酸盐、烷基酚甲醛树脂聚氧乙烯醚硫酸盐的一种或多种。
本发明技术方案的进一步改进在于：所述分散剂包括EO/PO的嵌段聚醚、聚羧酸盐高分子、萘磺酸盐甲醛缩合物、甲基萘磺酸盐甲醛缩合物、烷基酚聚氧乙烯醚甲醛缩合物磺酸盐的一种或多种。
本发明技术方案的进一步改进在于：所述抗漂移剂包括烷基乙基磺酸盐、EO/PO共聚物、聚乙二醇、尿素、硝酸铵、黄原胶、瓜尔胶、海藻酸中的一种或多种。
由于采用了上述技术方案，本发明取得的技术效果有：
本发明的高性能农药助剂具有渗透性良好、润湿性强、用量少、高效环保等优点，其表面张力(稀释1000倍)可低至25mN/m以下，有效地提高了农药有效成分的利用率；在润湿、乳化及实际药效中的效果明显优于国内的现有产品，在3000至5000倍的稀释条件下仍具有良好的润湿渗透作用。
本发明产品的混配通用性高，可与各种农药混配，已经成功与多种除草剂、杀螨剂、杀虫剂、杀菌剂、植物生长调节剂等混配使用，在病虫螨害等防治效果中极佳；也可适用于各种剂型，尤其是在水悬剂、油悬剂上增效效果更佳，解决了目前某些助剂只能用于单种农药的局限性。
本发明以绿色环保、易降解的植物油及其衍生物为内吸主体，可以吸附在农作物上增加药效；添加适量的润湿剂来提高药液在植被上的润湿性；渗透剂可降低药液在植被上表面张力增强其渗透性；乳化剂、抗漂移剂可减少药液在空中的漂移。本发明产品用量低、药效好、成本低，是一种性价比极高的农药助剂。
下面结合具体实施例对本发明做进一步详细说明：
实施例1
在温度为45℃的条件下，将油酸甲酯65份、脂肪醇聚氧乙烯醚(AEO-5)3份、脂肪醇聚氧乙烯醚硫酸盐3份、聚醚改性三硅氧烷2份、顺丁烯二酸二异辛酯磺酸盐3份、烷基酚甲醛树脂聚氧乙烯醚硫酸盐份3份、蓖麻油聚氧乙烯醚4份、十二烷基苯磺酸钠3份、聚氧乙烯失水梨醇单月桂酸酯3份、苯乙基苯基聚氧乙烯一聚氧丙烯醚3份、聚羧酸盐2份、萘磺酸盐甲醛缩合物2份、烷基乙基磺酸盐2份、聚乙二醇2份。混合并搅拌均匀，得到本发明的农药助剂。该农药助剂为黄色粘稠液体。该助剂的pH为6.41，表面张力(稀释1000倍)23.95mN/m。
实施例2
在温度为40℃的条件下，将蓖麻油60份、脂肪醇聚氧乙烯醚(AEO-7)5份、有机硅聚氧乙烯醚4份、异辛醇聚氧乙烯醚磷酸酯2份、顺丁烯二酸二异辛酯磺酸盐2份、苯乙基苯酚聚氧乙烯醚5份、烷基苯磺酸钙3份、烷基苯基磺酸盐4份、脂肪醇聚氧乙烯醚硫酸盐3份、脂肪醇聚氧乙烯醚磺酸盐3份、EO/PO的嵌段聚醚2份、萘磺酸盐甲醛缩合物2份、烷基乙基磺酸盐1份、黄原胶2份、尿素2份。混合并搅拌均匀，得到本发明的农药助剂。该农药助剂为淡黄色或黄色均相透明液体。该助剂的pH为6.20，表面张力(稀释1000倍)24.08mN/m。
实施例3
在温度为50℃的条件下，将植物精油55份，三硅氧烷聚氧乙烯醚磷酸酯3份、脂肪醇聚氧乙烯醚(JFC)2份，异辛醇聚氧乙烯醚磷酸酯2份、蓖麻油聚氧乙烯醚3份、脂肪醇聚氧乙烯醚(AEO-7)3份、三苯乙基苯酚聚氧丙烯聚氧乙烯醚4份、烷基苯基磺酸盐5份、十二烷基苯磺酸钙6份、失水山梨醇脂肪酸酯2份、脂肪醇聚氧乙烯醚磺酸盐3份，烷基酚甲醛树脂聚氧乙烯醚硫酸盐4份、烷基酚聚氧乙烯醚甲醛缩合物磺酸盐4份、烷基乙基磺酸盐1份、黄原胶1份，尿素1份，EO/PO共聚物1份。混合并搅拌均匀，得到本发明的农药助剂。该农药助剂为黄色粘稠液体。该助剂的pH为6.53。表面张力(稀释1000倍)24.37mN/m。
实施例4
在温度为45℃的条件下，将棉籽油70份、脂肪醇聚氧乙烯醚JFC 2份、有机硅聚氧乙烯醚2份、脂肪醇聚氧乙烯醚AEO-5 4份、聚氧乙烯聚氧丙烯嵌段共聚物4份、蓖麻油聚氧乙烯醚4份、苯乙基苯酚聚氧乙烯醚2份、十二烷基苯磺酸钙2份、脂肪醇聚氧乙烯醚磺酸盐3份、失水山梨醇脂肪酸酯聚氧乙烯醚2份、甲基萘磺酸盐甲醛缩合物1份、聚羧酸盐1份、烷基乙基磺酸盐2份、尿素1份。混合并搅拌均匀，得到本发明的农药助剂。该农药助剂为淡黄色或黄色均相透明液体。该助剂的pH为6.62。表面张力(稀释1000倍)24.44mN/m。
实施例5
在温度为50℃的条件下，将大豆油75份，蓖麻油聚氧乙烯醚3份、苯乙基苯酚聚氧乙烯醚3份、异辛醇聚氧乙烯醚磷酸酯1份、聚醚改性三硅氧烷2份、聚氧乙烯失水梨醇单月桂酸酯3份、聚氧乙烯聚氧丙烯嵌段共聚物2份、脂肪醇聚氧乙烯醚磺酸盐2份、脂肪醇聚氧乙烯醚硫酸盐3份、烷基酚甲醛树脂聚氧乙烯醚硫酸盐3份、烷基乙基磺酸盐1份、EO/PO共聚物1份、瓜尔胶1份。混合并搅拌均匀，得到本发明的农药助剂。该农药助剂为淡黄色或黄色均相透明液体。该助剂的pH为6.57。表面张力(稀释1000倍)24.51mN/m。
取各实施例的产品和市售样品进行性能指标检测对比，结果见下表1：
表1
Figure BDA0002575323650000051
从表1可以看出：(1)本发明实例产品的表面张力(1000倍稀释)均在25mN/m以下，而市售样品的表面张力(1000倍稀释)均在30mN/m以上，本发明实例产品的表面张力明显低于市售样品；(2)本发明实例产品的渗透时间(稀释1000倍)为20.52-23.49s，而市售样品的渗透时间(稀释1000倍)为42.75-52.26s,本发明实例产品的渗透时间明显少于于市售样品，渗透时间短，渗透力强。表面张力小、渗透快，与农药混配后有助于提高农药的吸收和药效。
分别取不同实施例及市售样品与不同类型的农药进行复配(将农药制剂稀释150倍，向其中加入0.1％的助剂)，对性能指标进行测试，检测结果均值见下表2：表2
Figure BDA0002575323650000061
Figure BDA0002575323650000071
如表2所示，与市售产品的性能指标对比结果显示：与本发明的农药助剂复配后，不同类型农药的表面张力和渗透时间均明显缩短；而市售样品与除草剂30％草甘膦铵盐水剂、4％烟嘧磺隆·20％莠去津油悬剂和杀虫、杀螨剂1.8％精品阿维乳油复配后混合液的表面张力并没有降低的趋势，市售产品2、3与除草剂4％烟嘧磺隆·20％莠去津油悬剂复配后混合液的渗透时间没有缩短趋势反而增长。
桶混使用该助剂，将不同类型的农药均稀释150倍后加入0.1％的本发明助剂，除草、杀虫药效均可提高30-50％，并且飞防使用该助剂增效效果同样显著。

Claims (7)

1.一种高性能农药助剂，其特征在于：组分包括：植物油及其衍生物：55-75%，润湿剂5-8%，渗透剂3-6%，乳化剂11-20%，分散剂4-7%和抗漂移剂2-4%。
2.根据权利要求1所述的一种高性能农药助剂，其特征在于：所述植物油及其衍生物包括大豆油、油酸甲酯、油酸乙酯、油酸异丙酯、蓖麻油、棕榈油、菜籽油、棉籽油、松节油、植物精油的一种或多种。
3.根据权利要求1所述的一种高性能农药助剂，其特征在于：所述润湿剂包括烷基硫酸盐、磺酸盐、聚氧乙烯烷基酚醚、脂肪醇聚氧乙烯醚（AEO-3、AEO-5、AEO-7）、聚氧乙烯聚氧丙烯嵌段共聚物和硅醇类的一种或多种。
4.根据权利要求1所述的一种高性能农药助剂，其特征在于：所述渗透剂包括聚醚改性三硅氧烷、三硅氧烷聚氧乙烯醚磷酸酯、脂肪醇聚氧乙烯醚（JFC）、顺丁烯二酸二异辛酯磺酸盐、异辛醇聚氧乙烯醚磷酸酯、烷基萘磺酸钠、氮酮一种或多种。
5.根据权利要求1所述的一种高性能农药助剂，其特征在于：所述的乳化剂包括烷基苯磺酸钙、烷基苯磺酸钠、苯乙烯基苯基聚氧乙烯醚、烷基酚甲醛树脂聚氧乙烯醚、苯乙基苯基聚氧乙烯一聚氧丙烯醚、失水山梨醇脂肪酸酯、失水山梨醇脂肪酸酯聚氧乙烯醚、蓖麻油聚氧乙烯醚、烷基酚聚氧乙烯醚、烷基酚甲醛树脂聚氧乙烯醚、脂肪醇聚氧乙烯醚、脂肪醇聚氧乙烯醚硫酸盐、脂肪醇聚氧乙烯醚磺酸盐、烷基酚甲醛树脂聚氧乙烯醚硫酸盐的一种或多种。
6.根据权利要求1所述的一种高性能农药助剂，其特征在于：所述分散剂包括EO/PO的嵌段聚醚、聚羧酸盐高分子、萘磺酸盐甲醛缩合物、甲基萘磺酸盐甲醛缩合物、烷基酚聚氧乙烯醚甲醛缩合物磺酸盐的一种或多种。
7.根据权利要求1所述的一种高性能农药助剂，其特征在于：所述抗漂移剂包括烷基乙基磺酸盐、EO/PO共聚物、聚乙二醇、尿素、硝酸铵、黄原胶、瓜尔胶、海藻酸中的一种或多种。
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