CN105707090A - 一种抗高盐分的水乳剂及其制备方法 - Google Patents
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Abstract
本发明涉及一种抗高盐分的水乳剂，包括如下重量比的组分：农药有效成分0.1％?20％，溶剂0.1％?30％，表面活性剂0.1％?10％，特种助剂1％?5％，稳定剂1％?5％，防冻剂1％?5％，余量为水。本发明还公开了其制备方法。本发明的水乳剂的剂型性能稳定，易降解，生产工艺流程简单，投资和设备费用低；本发明采用合理的加工工艺能够得到质量稳定、药效好、耐储存的水乳剂产品。
Description
技术领域
本发明涉及一种抗高盐分的水乳剂及其制备方法，属于农业化学领域。
背景技术
在当前化学农药的各种剂型中，水乳剂是最具“绿色”特性的剂型之一，水乳剂又称农乳液或粗乳剂，是一种以水为连续相的水包油(O/W)混合体系，通过加入适当的助剂及特殊的加工工艺，使油相以细小微粒均匀地分布在水相中。粒径一般在0.1－1微米之间，外观通常为乳白色液体，放入水中有较好的乳化分散性。由于水乳剂是非均相液体，这就决定了在研制过程中，解决稳定性是首先要考虑的问题。一个优良的配方需要各种助剂进行配伍，且要有良好的协同性，。但是要想研制出适用的水乳剂产品，迫切需要材料学、生物学、植物学、病虫害防治学等多学科的密切配合，
现在国内市场上面出现很多水乳剂产品，但是还没有做的好的高盐分的水乳剂。高盐分的水乳剂不稳定，冷热贮和常温贮存容易分层析水，做的不好的还会有沉淀，入水有有颗粒，堵喷头，严重影响产品外观和产品的使用价值。
本发明的一种抗高盐分的水乳剂及制备方法制得的剂型性能稳定，易降解，生产工艺流程简单，投资和设备费用低；本发明采用合理的加工工艺能够得到质量稳定、药效好、耐储存的水乳剂产品。
发明内容
本发明的目的是提供一种抗高盐分的水乳剂及制备方法。
本发明的技术方案：一种抗高盐分的水乳剂，包括如下重量比的组分：包括如下重量比的组分：农药有效成分0.1％-20％，溶剂0.1％-30％，表面活性剂0.1％-10％，特种助剂1％-5％，稳定剂1％-5％，防冻剂1％-5％，余量为水。
所述的农药有效成分是甲氨基阿维菌素苯甲酸盐。
所述的溶剂为环己酮、乙酸仲丁酯、二甲苯、S-150#溶剂油、S-200#溶剂油中的一种或几种的混合。
所述的表面活性剂为辛基酚聚氧乙烯醚、烷芳基酚聚氧乙烯醚磷酸酯、蓖麻油聚氧乙烯醚、烷基酚聚氧乙烯磷酸盐、聚氧乙烯失水山梨醇脂肪酸酯、山梨糖醇酐脂肪酸酯、脂肪醇聚氧乙烯醚、顺丁烯二酸二仲辛酯磺酸钠中的一种或几种的混合。
所述的特种助剂为水性聚氨酯。
所述稳定剂为花生油、环氧大豆油、环氧亚麻油、大豆油中的一种或几种的混合。
所述的防冻剂是尿素、丙二醇、丙三醇、乙二醇中的一种或几种的混合。
所述的水是去离子水。
本发明所述的一种抗高盐分的水乳剂的制备方法：用溶剂将农药溶解后，加入表面活性剂、特种助剂、稳定剂和防冻剂，混匀后，加入水，再高速剪切，得到所述的水乳剂
本发明的一种抗高盐分的水乳剂及制备方法，其特征在于：所述的制备方法为：用溶剂将农药溶解后，加入表面活性剂、特种助剂、稳定剂和防冻剂，混匀后，加入水，再高速剪切，得到所述的水乳剂。
本发明的一种抗高盐分的水乳剂性能稳定，易降解，生产工艺流程简单，投资和设备费用低；本发明采用合理的加工工艺能够得到质量稳定、药效好、耐储存的水乳剂产品。
具体实施方案
为了更好地理解本发明的实质，下面结合实施例对本发明的内容作进一步详述，实施例中所提及的内容并非对本发明的限定，以下所述仅用于解释本发明，对于不偏离本发明精神和原则所做的修改、替换或改进，均属于本发明要求保护的范围。
实施例一
依本发明的技术方案，73％甲氨基阿维菌素苯甲酸盐3.15g，用5g环己酮和5g二甲苯溶解后，加入表面活性剂烷基苯磺酸盐和顺丁烯二酸二仲辛酯磺酸钠3g，搅匀后，稳定剂环氧大豆油3g，乙二醇3g充分混合溶解后，水补足至100g,剪切机7000转剪切10min,制得2.3％甲氨基阿维菌素苯甲酸盐水乳剂，此例不加特种助剂。
实施例二
依本发明的技术方案，73％甲氨基阿维菌素苯甲酸盐3.15g，用5g环己酮和5g二甲苯溶解后，加入表面活性剂烷基苯磺酸盐和顺丁烯二酸二仲辛酯磺酸钠3g，搅匀后，再加入2g水性聚氨酯,稳定剂环氧大豆油3g，乙二醇3g充分混合溶解后，水补足至100g,剪切机7000转剪切10min,制得2.3％甲氨基阿维菌素苯甲酸盐水乳剂。
实施例三
依本发明的技术方案，73％甲氨基阿维菌素苯甲酸盐4.11g，用8g环己酮和10g S-200#溶剂油溶解，加入表面活性剂烷基苯磺酸盐和顺丁烯二酸二仲辛酯磺酸钠5g，摇匀后，再加入3g水性聚氨酯，稳定剂环氧大豆油3g，乙二醇3g充分混合溶解后，水补足至100g，剪切机7000转剪切10min,制得3％甲氨基阿维菌素苯甲酸盐水乳剂。
实施例四
依本发明的技术方案，73％甲氨基阿维菌素苯甲酸盐6.84g，用10g环己酮和10g S-200#溶剂油溶解后，加入表面活性剂烷基苯磺酸盐和顺丁烯二酸二仲辛酯磺酸钠4g，摇匀后，再加入2g水性聚氨酯，稳定剂环氧大豆油3g，乙二醇3g充分混合溶解后，水补足至100g，剪切机7000转剪切10min,制得5％甲氨基阿维菌素苯甲酸盐水乳剂。
实施例五：稳定性测试
对上述实施例一至五所制得的水乳剂产品进行稳定性测试，结果如下表。从试验结果可以看出，本发明水乳剂各项稳定性测试结果合格，明显优于对照的实施例一。
表1：稳定性测试试验结果
| 实施例一 | 实施例二 | 实施例三 | 实验例四 | |
| 冷贮(1-3℃)7天 | 体系均一 | 体系均一 | 体系均一 | 体系均一 |
| 热贮(53℃)15天 | 分层 | 体系均一 | 体系均一 | 体系均一 |
| 冻融(-15℃)1天 | 分层 | 体系均一 | 体系均一 | 体系均一 |
| 常温1个月 | 分层 | 体系均一 | 体系均一 | 体系均一 |
| 常温3个月 | 分层 | 体系均一 | 体系均一 | 体系均一 |
| 常温6个月 | 分层 | 体系均一 | 体系均一 | 体系均一 |
| 常温1年 | 分层 | 体系均一 | 体系均一 | 体系均一 |
| 常温2年 | 分层 | 体系均一 | 体系均一 | 体系均一 |
Claims (9)
1.一种抗高盐分的水乳剂，其特征在于，包括如下重量比的组分：农药有效成分0.1％-20％，溶剂0.1％-30％，表面活性剂0.1％-10％，特种助剂1％-5％，稳定剂1％-5％，防冻剂1％-5％，余量为水。
2.根据权利要求1所述的一种抗高盐分的水乳剂，其特征在于：所述的农药有效成分是甲氨基阿维菌素苯甲酸盐。
3.根据权利要求1所述的一种抗高盐分的水乳剂，其特征在于：所述的溶剂为环己酮、乙酸仲丁酯、二甲苯、S-150#溶剂油、S-200#溶剂油中的一种或几种的混合。
4.根据权利要求1所述的一种抗高盐分的水乳剂，其特征在于：所述的表面活性剂为辛基酚聚氧乙烯醚、烷芳基酚聚氧乙烯醚磷酸酯、蓖麻油聚氧乙烯醚、烷基酚聚氧乙烯磷酸盐、聚氧乙烯失水山梨醇脂肪酸酯、山梨糖醇酐脂肪酸酯、脂肪醇聚氧乙烯醚、顺丁烯二酸二仲辛酯磺酸钠中的一种或几种的混合。
5.根据权利要求1所述的一种抗高盐分的水乳剂，其特征在于：所述的特种助剂为水性聚氨酯。
6.根据权利要求1所述的一种抗高盐分的水乳剂，其特征在于：所述稳定剂为花生油、环氧大豆油、环氧亚麻油、大豆油中的一种或几种的混合。
7.根据权利要求1所述的一种抗高盐分的水乳剂，其特征在于：所述的防冻剂是尿素、丙二醇、丙三醇、乙二醇中的一种或几种的混合。
8.根据权利要求1所述的一种抗高盐分的水乳剂，其特征在于：所述的水是去离子水。
9.根据权利要求1所述的一种抗高盐分的水乳剂的制备方法，其特征在于：用溶剂将农药溶解后，加入表面活性剂、特种助剂、稳定剂和防冻剂，混匀后，加入水，再高速剪切，得到所述的水乳剂。
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| CN1114855A (zh) * | 1992-09-21 | 1996-01-17 | 希巴-盖吉股份公司 | 储存稳定性农药含水乳液 |
| CN101507438A (zh) * | 2009-03-06 | 2009-08-19 | 福建农林大学 | 一种甲氨基阿维菌素苯甲酸盐水乳剂 |
| US20120220456A1 (en) * | 2009-08-07 | 2012-08-30 | Casana Giner Victor | Microcapsules containing macrolide lactones abamectin, milbemectin, avermectins, milbemycins, emamectins, ivermectins and mectins in general |
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| CN1114855A (zh) * | 1992-09-21 | 1996-01-17 | 希巴-盖吉股份公司 | 储存稳定性农药含水乳液 |
| CN101507438A (zh) * | 2009-03-06 | 2009-08-19 | 福建农林大学 | 一种甲氨基阿维菌素苯甲酸盐水乳剂 |
| US20120220456A1 (en) * | 2009-08-07 | 2012-08-30 | Casana Giner Victor | Microcapsules containing macrolide lactones abamectin, milbemectin, avermectins, milbemycins, emamectins, ivermectins and mectins in general |
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