Bis-Indolylmethane Textile Coatings for UV and Antimicrobial PPE
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Solution Overview
Problem
Current Personal Protective Equipments (PPEs) and textiles lack effective barriers against UV radiation and infections, necessitating improved fabrics that provide enhanced sun protection and antimicrobial properties.
Innovation Solution
Development of novel bis-indolylmethane compounds that can be integrated into textiles, offering both UV protection and antimicrobial effects through specific synthesis and application processes, including reaction schemes involving halogen atoms, polyvinylalcohol, and polyvinylamine, to enhance the Ultraviolet Protection Factor (UPF) and confer anti-microbial properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional textiles are used, then the fabric is simple and inexpensive, but it provides insufficient UV protection and antimicrobial properties
Solution Approach 1:
The patent applies composite materials by integrating bis-indolylmethane compounds with textile fibers through covalent bonding. The compounds contain functional groups (hydroxyl, carboxyl, amino) that form chemical bonds with fiber surfaces, creating a composite structure that combines the mechanical properties of textiles with the UV-blocking and antimicrobial properties of the organic compounds. This resolves the contradiction by providing enhanced protection without significantly complicating the fabric structure.
Solution Approach 2:
The patent changes the chemical parameters of the textile by introducing specific functional groups (hydroxyl, carboxyl, amino) on the bis-indolylmethane compounds that can interact with fiber surfaces. These parameter changes enable covalent bonding between the compound and textile, transforming ordinary fabric into UV-protective and antimicrobial material. The molecular weight range (500-2000 Da) and solubility parameters are optimized to ensure proper integration with textile matrices.
2Reliability
If complex synthesis processes are used to create effective UV-protective compounds, then the protection effectiveness increases, but the manufacturing complexity and cost increase
Solution Approach 1:
The synthesis process is segmented into two independent stages: first, preparing the bis-indolylmethane compound with desired functional groups; second, applying and bonding the compound to the textile substrate. This segmentation allows each stage to be optimized separately, simplifying the overall manufacturing process while maintaining high UV protection effectiveness. The modular approach enables flexible production scaling and quality control.
Solution Approach 2:
The patent uses an intermediary approach by employing bis-indolylmethane compounds as mediator molecules that bridge the gap between textile fibers and UV protection functionality. These compounds act as intermediate layers that can be synthesized independently, then applied to textiles through various methods (coating, printing, exhaustion). This intermediary step simplifies manufacturing compared to directly incorporating protective functionality into fiber production.
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 treated fabrics demonstrate exceptional UV protection, categorized as 'Excellent' and exhibit strong antimicrobial effects, particularly against Gram (+) bacteria, significantly improving the performance of PPEs and textiles.
Implementation Method 1
novel bis-indolylmethane compounds which are able to impart a textile sun-protective and anti-infective effect
Implementation Method 2
PPEs are also able to protect the body from infections, creating a barrier between the wearer and germs
Data Source
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AI summary
The present invention relates to novel bis-indolylmethanes of formula (I), a process for their preparation and their use in the preparation of technical textiles and PPE's (Personal Protective Equipments), namely in the preparation of UV-protective and anti-infective textiles and garments.