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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| Autor principal: | |
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| Formato: | bachelorThesis |
| Lenguaje: | eng |
| Publicado: |
2023
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| Materias: | |
| Acceso en línea: | http://repositorio.yachaytech.edu.ec/handle/123456789/696 |
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