Fatty Alcohol Drift Control for Dicamba Herbicide
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Solution Overview
Problem
Current agrochemical formulations face challenges in controlling wind drift, particularly with herbicides like dicamba, which can cause damage to neighboring fields, and existing drift control agents are difficult to identify or optimize due to varied chemical compositions.
Innovation Solution
A composition comprising dicamba and a drift control agent made of at least one fatty alcohol, preferably a combination of saturated and unsaturated fatty alcohols such as oleyl, cetyl, and myristic alcohols, effectively reduces wind drift by enhancing adhesion and penetration of the pesticide onto plants while maintaining user-friendly handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing drift control agents with varied chemical compositions are used, then wind drift control may be achieved, but it becomes difficult to identify new agents or optimize structures
Solution Approach 1:
The patent changes the chemical composition parameters of drift control agents by using fatty alcohols with specific chain lengths (C12-C22) and specific chemical structures, transforming the search from varied complex compositions to a defined parameter space of fatty alcohols that can be systematically optimized
Solution Approach 2:
The patent focuses on specific local properties of fatty alcohols (chain length, saturation level, hydroxyl group position) rather than overall complex composition, enabling targeted identification and optimization of drift control agents based on local molecular characteristics
2Object-affected harmful factors
If drift control agents are used to prevent dicamba drift to neighboring fields, then off-target movement is reduced, but the chemical composition variety makes it difficult to find optimal solutions
Solution Approach 1:
The patent defines specific parameter ranges for fatty alcohols (chain length C12-C22, specific saturation levels) that optimize drift control while reducing off-target movement, transforming the search from undefined chemical variety to measurable parameter optimization
3Reliability
If a fatty alcohol-based drift control agent is used, then wind drift is significantly reduced and adhesion is enhanced, but the composition must be carefully selected from specific fatty alcohol types
Solution Approach 1:
The patent specifies parameter ranges for fatty alcohols (C12-C22 chain length, saturation levels) that balance drift control effectiveness with ease of manufacture, allowing selection from commercially available fatty alcohols within these defined parameters
Solution Approach 2:
The patent uses composite formulations combining dicamba with fatty alcohol drift control agents, where the fatty alcohol component provides both drift control and adhesion enhancement while maintaining compatibility with standard pesticide application systems
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The fatty alcohol-based drift control agent significantly reduces drift fines and off-target movement of dicamba, ensuring effective pesticide application with minimal phytotoxicity and low aquatic toxicity, while allowing for easy preparation and reduced volatility of herbicides.
Implementation Method 1
enhancing adhesion and penetration of the pesticide onto plants
Implementation Method 2
reduced volatility of herbicides
Data Source
AI summary
The present invention relates to compositions comprising dicamba and a drift control agent, wherein the drift control agent comprises at least one fatty alcohol. The present invention further relates to a method for preparing a tank mix and to a method of plant, seed and/or soil treatment. The present invention also relates to the use of at least one fatty alcohol for reducing the wind drift of a composition comprising a pesticide.