Synthesis of caffeine/Poly (vinyl alcohol) polymer with UV-protection properties

A transparent film based on a composite of polyvinyl alcohol (PVA) and caffeine was prepared for UV protection. The caffeine was extracted from ground coffee without any further purification process; in parallel, a 5.00 wt.% aqueous PVA solution was prepared. From this solution, PVA solutions with d...

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Bibliografiske detaljer
Hovedforfatter: Trujillo Galarza, José Ignacio (author)
Format: bachelorThesis
Sprog:eng
Udgivet: 2023
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Online adgang:http://repositorio.yachaytech.edu.ec/handle/123456789/696
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