Pest Control Composition with Emulsion Polymer for Light-Stable Bt Activity
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Solution Overview
Problem
Existing pest control formulations with Bacillus thuringiensis exhibit reduced activity upon exposure to light, limiting their effectiveness in outdoor applications.
Innovation Solution
A pest control composition comprising humic acid, an emulsion polymer, and Bacillus thuringiensis, where the emulsion polymer includes specific monomeric structural units and particle sizes, enhances Bacillus thuringiensis activity under light exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional pest control formulations containing Bacillus thuringiensis are used, then pest control activity is provided, but activity is reduced upon exposure to light
Solution Approach 1:
The patent introduces an emulsion polymer as an intermediary protective layer between the Bacillus thuringiensis and light exposure. This polymer coating acts as a mediator that shields the bacterial spores from direct light exposure while maintaining their biological activity, thereby resolving the contradiction between providing pest control activity and resisting light-induced degradation
Solution Approach 2:
The patent creates a composite formulation combining Bacillus thuringiensis with specific emulsion polymers (including methyl methacrylate, butyl acrylate, acrylic acid, and vinyl toluene). This composite material structure allows the biological agent to retain its functionality while the polymer matrix provides protection against environmental factors like light exposure, thus maintaining reliability under outdoor conditions
Data Source
AI summary
A pest control composition includes humic acid and an emulsion polymer. The emulsion polymer includes including methyl methacrylate, butyl acrylate, acrylic acid and vinyl toluene. The pest control composition also includes bacillus thuringiensis and water.