通过界面聚合,微封装的cyetpyrafen:一种可持续的可控释放策略来对抗Panonychus citri
Huiping Chen1, Hanghang Zhang2, Junxue Wu1
1Key Laboratory of Green Prevention and Control of Fruit and Vegetable Pests in Northern China, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Environment Friendly Management on Fruit Diseases and Pests in North China, Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China.
这项研究开发了含有cyetpyrafen (CPF) 的聚氨微囊悬浮剂 (CCS),用于可持续的害虫防治. 响应pH的配方提供了可控释放,增强了对Panonychus citri的疗效,同时减少了对环境的影响.
科学领域:
- 材料科学 材料科学 材料科学
- 农业化学 农业化学
- 聚合物化学 聚合物化学
背景情况:
- 微封装是对Panonychus citri.的可持续害虫控制的一个关键策略.
- 开发可控释放配方可以提高农药的有效性,减少对环境的影响.
研究的目的:
- 通过界面聚合合成合成含有cyetpyrafen (CPF) 的聚氨微囊悬浮剂 (CCS).
- 开发一种适应pH值,可控释放的配方,以提高疗效和减少对环境的影响.
主要方法:
- 使用异二酸盐 (IPDI) 和三甲胺 (TEA) 作为单体的界面聚合.
- 微囊的特征,包括装载量,封装效率,颗粒大小和跨度.
- 对抗Panonychus citri. 的pH响应释放研究和生物测试.
主要成果:
- 优化的CCS制剂产生了高负荷含量 (46.46%) 和封装效率 (72.24%).
- 该CCS在144小时内表现出pH响应的持续释放,与商业配方的快速释放形成鲜明对比.
- 生物测试证实了棉花的时间依赖的虫杀虫活性和有利的生物安全性.
结论:
- 开发的CPF装载的微囊为传统虫杀虫剂提供了有效的,可持续的替代方案.
- 该配方通过控制释放来提高杀虫剂性能,最大限度地降低环境风险.
- 这种方法为先进的多功能农药输送系统提供了框架.
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