Polymer-Matrix Insecticidal Composition for Resistant Mosquito Control
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Solution Overview
Problem
Traditional insecticide-based methods for vector control, such as insecticidal sprays and mosquito nets, have faced challenges due to insecticide resistance and health issues in users, necessitating the development of cost-effective, safe, and reliable alternatives.
Innovation Solution
An insecticidal composition incorporating a pyrethroid insecticide, a pyrrole chemical entity, and an organic synergist is embedded in a polymer matrix, which is then used to make long-lasting insecticidal nets (LLINs).
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional insecticide-based methods (sprays, coils) are used for vector control, then immediate insecticidal effect is achieved, but insecticide resistance develops and health issues occur in users
Solution Approach 1:
The patent changes the chemical parameters by incorporating alternative insecticides (pyriproxyfen, chlorfenapyr, flumethrin) and synergists (piperonyl butoxide, propoxur) in specific ratios within the polymer matrix, creating a formulation that overcomes resistance mechanisms while maintaining efficacy
Solution Approach 2:
The patent creates a composite material system combining multiple insecticidal compounds with different modes of action, synergists, and polymer matrices (polypropylene, polyethylene) to achieve both immediate effect and long-lasting protection against resistant strains
2Object-affected harmful factors
If insecticidal sprays and coils are used, then mosquito repulsion and killing effect is achieved, but throat irritation and difficulty breathing occur in people with respiratory problems
Solution Approach 1:
The patent uses the polymer matrix (polypropylene or polyethylene) as an intermediary carrier that releases insecticides slowly and controllably, reducing direct exposure to harmful substances while maintaining protective effect
Solution Approach 2:
The patent employs long-lasting insecticidal nets that provide protection for 3-5 years without requiring repeated application of harmful sprays, eliminating ongoing respiratory irritation issues
3Ease of manufacture
If conventional bed nets are distributed and treated with insecticide once or twice a year, then cost is reduced, but protection is insufficient and insecticide resistance develops
Solution Approach 1:
The patent incorporates insecticides directly into the polymer matrix during manufacturing, creating pre-treated nets that provide continuous protection for 3-5 years without requiring annual re-treatment, thereby maintaining high reliability while remaining cost-effective
Solution Approach 2:
The patent creates long-lasting insecticidal nets that provide continuous insecticidal action for 3-5 years through controlled release from the polymer matrix, eliminating the need for repeated treatments and maintaining sustained protection
Data Source
AI summary
The present invention relates to an incorporated insecticidal composition in polymer matrix, which is a combination of active substances, including pyrethroid and pyrrole, and optionally an organic synergist that is capable of being incorporated in a polymer substrate. The present invention also relates to a method of incorporating the insecticidal composition of the present invention in polymer matrix useful for making insect/pests protective nets or insecticide treated nets (ITNs) or long lasting insecticidal net (LLIN).