Flow Synthesis of UV-Absorbing Compounds for Stable Protection
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Solution Overview
Problem
There is a need for additional ultraviolet (UV) radiation-absorbing agents that meet criteria such as stability, non-toxicity, and compatibility for protecting biological and non-biological materials, and a process to produce these agents under flow conditions is required.
Innovation Solution
A novel flow chemical process is developed to manufacture compounds that absorb UV radiation, protecting biological and non-biological materials from damaging UV exposure, involving specific reaction steps and conditions in continuous flow setups.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional batch synthesis methods are used to produce UV-absorbing compounds, then the process is simpler to implement, but productivity and manufacturing efficiency are reduced
Solution Approach 1:
The patent implements continuous flow synthesis where reactants are continuously pumped through a microreactor system, enabling uninterrupted production of UV-absorbing compounds. This continuous operation eliminates batch-to-batch downtime and maintains steady-state reaction conditions, significantly improving productivity compared to conventional batch methods while using standardized flow chemistry equipment.
Solution Approach 2:
The synthesis process is divided into discrete modular steps within the flow system, with each reaction stage occurring in separate reactor zones. This segmentation allows independent optimization of each step, facilitates easier process control and monitoring, and enables parallel processing of multiple reactions, thereby enhancing overall manufacturing efficiency without requiring entirely new complex equipment.
2Reliability
If additional UV-absorbing compounds are developed to expand protection spectrum, then radiation protection efficacy is improved, but manufacturing process complexity increases
Solution Approach 1:
The flow chemistry platform is designed as a universal system capable of synthesizing multiple different UV-absorbing compounds with varying spectral properties. By using interchangeable reaction modules and standardized flow equipment, the same basic apparatus can produce diverse compounds (such as benzotriazoles, benzophenones, and cinnamates) with different absorption ranges, expanding protection efficacy without requiring separate complex manufacturing lines for each compound type.
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 process effectively produces compounds that provide protection against UVA, UVB, UV-visible, and infrared radiation, exhibiting antioxidant, moisturizing, and anti-inflammatory properties, with demonstrated stability and non-toxicity, suitable for various applications including cosmetics and textiles.
Implementation Method 1
compounds which absorb ultraviolet radiation
Data Source
AI summary
The present invention generally relates to a chemical process under flow conditions for manufacturing compounds which absorb ultraviolet (UV) radiation and protect biological materials as well as non-biological materials from damaging exposure to UV radiation. The present invention further includes formulations and compositions comprising such compounds for use in absorbing UV radiation, as well as methods for protecting biological materials as well as non-biological materials from damaging exposure to UV radiation.