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首页> 外文会议>Symposium on Pesticide Formulations and Application Systems: A New Century for Agricultural Formulations, Twenty First Volume, Oct 24-26, 2000, Orlando, Florida >Monobranched Alcohol Alkoxylates: A New Generation of Surfactants for Use in Crop Protection
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Monobranched Alcohol Alkoxylates: A New Generation of Surfactants for Use in Crop Protection

机译：单支链烷醇醇盐：用于作物保护的新一代表面活性剂

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Monobranched alcohol alkoxylates (Atplus~(~R) MBA and Atlox~(~R) MBA) are a special class of alcohol alkoxylates with specific properties related to the monobranched structure of the hydrophobe. The availability of different alkyl chain lengths (Cl 1 to C15) and ethoxylation / alkoxylation degrees (from 6 to 30 EO) results in a range of surfactants which has been selected as preferred replacement products for nonyl phenol ethoxylates without carrying a hazard classification. The particular type of branching of the hydrophobe results in lower gelling and foaming tendency compared to linear alcohol alkoxylates with similar carbon chain lengths and alkoxylation degree. The compact nature of the hydrophobe is responsible for the very fast dynamic behaviour which makes MBAs very suitable as adjuvants for pesticides. Furthermore, MBAs show lamellar liquid crystalline phases which are less viscous at higher concentrations than linear counterparts. Monobranched alcohol alkoxylates have shown to be efficient in enhancing the bio-efficacy of selective and non-selective herbicides and fungicides.
机译：单支链烷醇醇盐（Atplus（〜R）MBA和Atlox_（〜R）MBA）是一类特殊的醇烷氧基化物，具有与疏水物的单支链结构相关的特定性能。不同烷基链长度（Cl 1至C15）和乙氧基化/烷氧基化度（6至30 EO）的可用性导致一系列表面活性剂被选择为壬基酚乙氧基化物的优选替代产品，而没有进行危险分类。与具有相似碳链长度和烷氧基化度的线性醇烷氧基化物相比，疏水物的特定支化类型导致较低的胶凝和发泡趋势。疏水物的紧密性质决定了其快速的动态行为，这使MBA非常适合用作农药的佐剂。此外，MBA显示出层状液晶相，其在较高浓度下的黏度低于线性相。已显示单支链醇烷氧基化物可有效增强选择性和非选择性除草剂和杀真菌剂的生物功效。

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