聚氧乙烯醚和聚羧酸盐复配体系在430g·L-1戊唑醇水悬浮剂中的应用
Journal of Shanghai Normal University(Natural Sciences)（2020）
Abstract
研究了聚羧酸盐分散剂SD-840和聚氧乙烯醚分散剂601P的复配体系对430 g·L-1戊唑醇水悬浮剂(SC)悬浮稳定性的影响.通过测定不同戊唑醇SC热贮前后各样品的粒径大小、Zeta电势、黏度、悬浮率的变化,发现与单独使用SD-840,601P相比,两者的复配体系制备的430 g·L-1戊唑醇SC稳定性能好,尤其在SD-840和601P质量比为m(SD-840):m(601P)=0.75体系中,水悬浮剂稳定性能最佳,热贮前后的粒径和悬浮率变化最小,热贮前后粒径分布D90分别为2.35μm和2.50μm,悬浮率热贮前后分别为99.47％和96.58％.
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Key words
tebuconazole,suspension concentrate(sc),polyoxyethylene ether,polycarboxylate,suspension stability
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