?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+PENAMBAHAN+AEROGEL+SILICA+PADA+VARIASI%0D%0AKOMPOSISI+PATI+SINGKONG+TERHADAP+SIFAT+FISIS+BIOFOAM&rft.creator=%09Sayyidah+%2C+Wulan+Khaerunnisa%09&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=530+Fisika&rft.description=Biofoam+is+an+alternative+food+packaging+that+is+environmentally+friendly+and+safe%0D%0Afor+the+body.+Starch-based+biofoam+is+well+known+as+the+best+option+as+a+single-use%0D%0Apackaging+application%2C+because+the+material+is+easily+available+but+produces+good%0D%0Aquality.+To+increase+low+absorption+when+exposed+to+water%2C+superhydrophobic%0D%0Aproperties+are+needed+by+adding+silica+aerogel.+The+purpose+of+this+study+was+to%0D%0Adetermine+the+effect+of+variations+in+starch+composition+on+density%2C+water%0D%0Aabsorption%2C+compressive+strength%2C+functional+groups+and+crystal+structure+of%0D%0Abiofoam.+The+method+used+in+this+study+was+thermopressing.+The+thermopressing%0D%0Amethod+is+a+method+where+all+ingredients%2C+ranging+from+fiber%2C+starch%2C+silica+aerogel%0D%0Aand+PVA%2C+are+mixed+into+dough+and+pressed+for+3+minutes+at+150%C2%B0C+using+a%0D%0Athermopressing+tool.+The+characteristic+results+obtained+from+FTIR+analysis+found%0D%0Athe+presence+of+starch+functional+groups+at+wavenumbers+3425.58+cm-1%2C+3410.15%0D%0Acm-1%2C+2368.59+cm-1+and+1635.64+cm-1.+The+best+biofoam+result+is+with+a+total+starch%0D%0Aof+48.75g+with+a+value+of+water+absorption+(1.3%C2%B10.2)%25%2C+density+(0.6%C2%B10.1)g%2Fcm3%2C+and%0D%0Acompressive+strength+of+6.09+MPa.%0D%0A%0D%0AKeywords%3A+Biofoam%2C+starch%2C+silica+aerogel%2C+physical+test.%0D%0ABiofoam+menjadi+salah+satu+alternatif+kemasan+makanan+yang+ramah+lingkungan%0D%0Aserta+aman+untuk+tubuh.+Biofoam+berbahan+dasar+pati+sudah+terkenal+opsi+terbaik%0D%0Asebagai+aplikasi+kemasan+sekali+pakai%2C+karena+bahannnya+yang+mudah+didapatkan%0D%0Anamun+menghasilkan+kualitas+yang+baik.+Untuk+meningkatkan+daya+serap+rendah%0D%0Abila+terkena+air+maka+dibutuhkan+sifat+superhidrofobik+dengan+menambahkan%0D%0Aaerogel+silica.+Tujuan+dari+penelitian+ini+adalah+untuk+mengetahui+pengaruh+variasi%0D%0Akomposisi+pati+terhadap+densitas%2C+daya+serap+air%2C+kuat+tekan%2C+gugus+fungsi+dan%0D%0Astruktur+kristal+biofoam.+Metode+yang+digunakan+dalam+penelitian+ini+adalah%0D%0Athermopressing.+Metode+thermopressing+merupakan+metode+dimana+semua+bahan%2C%0D%0Amulai+dari+serat%2C+pati%2C+silika+aerogel+dan+PVA%2C+dicampur+hingga+menjadi+adonan+lalu%0D%0Aditekan+selama+3+menit+pada+suhu+150%C2%B0C+menggunakan+alat+thermopressing.+Hasil%0D%0Akarakteristik+yang+diperoleh+dari+analisis+FTIR%2C+ditemukan+keberadaan+gugus+fungsi%0D%0Apati+pada+bilangan+gelombang+3425%2C58+cm-1%0D%0A%0D%0A%2C+3410%2C15+cm-1%0D%0A%0D%0A%2C+2368%2C59+cm-1+dan+1635%2C64%0D%0A%0D%0Acm-1%0D%0A.+Hasil+biofoam+terbaik+adalah+dengan+jumlah+pati+48%2C75g+dengan+nilai+daya+serap+air%0D%0A(1%2C3%C2%B10%2C2)%25%2C+densitas+(0%2C6%C2%B10%2C1)g%2Fcm3+%2C+dan+kuat+tekan+6%2C09+MPa.%0D%0A%0D%0AKata+kunci%3A+Biofoam%2C+pati%2C+aerogel+silica%2C+uji+fisis.&rft.publisher=MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2024-02-06&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84939%2F1%2F1857041003-Sayyidah%2520Wulan%2520Khaerunnisa-Abstrak%2520-%2520Sayyidah%2520Wulan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84939%2F2%2F1857041003-Sayyidah%2520Wulan%2520Khaerunnisa-Skripsi%2520-%2520Sayyidah%2520Wulan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84939%2F3%2F1857041003-Sayyidah%2520Wulan%2520Khaerunnisa-Skripsi%2520tanpa%2520pembahasan%2520-%2520Sayyidah%2520Wulan.pdf&rft.identifier=+++Sayyidah+%2C+Wulan+Khaerunnisa+++(2024)+PENGARUH+PENAMBAHAN+AEROGEL+SILICA+PADA+VARIASI+KOMPOSISI+PATI+SINGKONG+TERHADAP+SIFAT+FISIS+BIOFOAM.++MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG+.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F84939%2F