This research studies the preparation of porous materials from natural rubber and cassava starch using Freeze dryer. To apply to various products. Beginning with the extraction of natural materials into cellulose fibers. The cellulose fibers are then mixed with polyvinyl alcohol (PVA) and can be dried freezing to get cellulose aerogel. When cellulose aerogel is coated with methoxytrimethylsilane (MTMS), the super-hydrophobic cellulose aerogel has super-hydrophobic properties that can be used as an oil-absorbing material instead of polypropylene. In addition, the cellulose aerogel obtained is lightweight Good flexibility Low density It is a good sound absorption material. It is an insulator for various products. An environmentally friendly material and Naturally biodegradable.
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