Abstract
Several azo acid dyes with built-in UV-absorber residues (resorcinol, 2, 4- dihydroxy benzophenone, 1- hydroxy benzotriazol sulfonic acid) were synthesised. The structure of the synthesized dyes was fully elucidated by using FTIR, 1 H-NMR. In this paper we report the synthesis and application of the Anti-UV dyes on wool fabrics aiming to these new dyes might reduce the undesirable photo - degradation effects of UVR on dyed fabrics and also to prevent UVR reaching the human skin which causes cell damage and skin cancer. Fabrics dyed with anti-UV dyes were tested for color strength (K/S), rate of fading (AE) values and fastness properties.
Highlights
In the last decade increasing attention has been paid to protective properties of textiles against UV radiation originating from sunlight1
The safest protection from UV radiation (UVR) exposure is offered by clothing and its protectiveness depends on fabric composition, fabric parameters and dyeing1
Synthesis and Application of Functional (Anti-UV) Azo-dyes based on γ-acid on Wool Fabric
Summary
In the last decade increasing attention has been paid to protective properties of textiles against UV radiation originating from sunlight. In recent reviews of the possible development of synthetic dyes for textile applications, it has been suggested that a modern colorant could perform additional functions such as antibacterial action, increased UV- or IR- absorption, or water repellence. In recent reviews of the possible development of synthetic dyes for textile applications, it has been suggested that a modern colorant could perform additional functions such as antibacterial action, increased UV- or IR- absorption, or water repellence2,3 These dual dye properties would allow the number of chemicals used in the dyehouse to be reduced. The high-energy, short-wave UVR excites the UV absorber to a higher energy state; the energy absorbed may be dissipated as longer-wave radiation. Synthesis and Application of Functional (Anti-UV) Azo-dyes based on γ-acid on Wool Fabric
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