摘要
为研究表面活性剂复配制备水基型氯氰菊酯微乳剂的稳定性及润湿展布性。采用紫外-可见分光光度法和气相色谱法测定水基型氯氰菊酯微乳剂的稳定性,用视频光学接触角测量仪测定其表面张力和在‘杨福麦7116’叶面上的接触角。结果表明,该农药微乳剂具有较好的化学稳定性和经时稳定性;表面张力较低,且与‘杨福麦7116’叶面接触角小,铺展速度快,在植物叶面易附着、易润湿、易铺展,宜用于农用喷洒。
In order to study the stability and wet-spreading of water-based cypermethrin microemulsions prepared by the mixed surfactants.The stability of water-based cypermethrin microemulsions prepared was studied by the methods of VV-VIS spectroscopy and gas chromatograph.The contact angles on the leaves of‘ Yangfu wheat 7116’were measured by using the optical contact angle measuring device.The results showed that the water-based cypermethrin microemulsions have good properties of chemical stability and ageings tability,and have lower surface tension.The contact angles were lower when the solutions were dropped on the leaves of‘Yangfu wheat 7116’.The results proved that the water-based cypermethrin microemulsions were easily attached to the plant surface,wetting and spreading fastly,so they were suitable to agricultural.
出处
《中国农学通报》
CSCD
北大核心
2011年第30期227-232,共6页
Chinese Agricultural Science Bulletin
基金
国家自然科学基金资助项目"表面活性剂对药物与蛋白
细胞间相互作用的影响"(20573091)
