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...
Wedi'i Gadw mewn:
| Prif Awdur: | |
|---|---|
| Fformat: | bachelorThesis |
| Iaith: | eng |
| Cyhoeddwyd: |
2023
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| Pynciau: | |
| Mynediad Ar-lein: | http://repositorio.yachaytech.edu.ec/handle/123456789/696 |
| Tagiau: |
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