?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PEMBUATAN+SELULOSA+ASETAT+DARI+%CE%B1-SELULOSA+TANDAN+KOSONG+SAWIT+(TKS)&rft.creator=Chyntia+Gustiyanda+Patraini%2C+1017011023&rft.subject=+&rft.description=ABSTRAK%0D%0A%0D%0APada+penelitian+ini+telah+dilakukan+isolasi+%CE%B1-selulosa+dari+Tandan+Kosong+Sawit+(TKS)+menggunakan+metode+delignifikasi+dan+pemutihan.++TKS+yang+telah+terdelignifikasi%2C+dilakukan+variasi+pengulangan+pemutihan%2C+pemutihan+satu+kali+(Sampel+A)+dan+pemutihan+dua+kali+(Sampel+B)%2C+metode+delignifikasi%2C+pulping+dan+bleaching+(Sampel+C)+dan+kapas+komersial+(Sampel+D).+Pada+sampel+A+diperoleh+kadar+%CE%B1-selulosa+71%2C778%25%2C+sampel+B+72%2C78%25%2C+sampel+C+97%2C04%25+dan+sampel+D+98%2C57%25.++Setelah+diperoleh+%CE%B1-selulosa%2C+maka+keempat+sampel+tersebut+direaksikan+dengan+menggunakan+proses+aktivasi%2C+asetilasi%2C+hidrolisis+dan+pengendapan+untuk+mendapatkan+selulosa+asetat.++Sampel+A+diperoleh+kadar+asetil+13%2C56%25%2C+derajat+subtitusi+1%2C86+dan+titik+leleh+180oC%2C+sampel+B+diperoleh+kadar+asetil+17%2C866%25%2C+derajat+subtitusi+1%2C96+dan+titik+leleh+181oC%2C+sampel+C+diperoleh+kadar+asetil+38%2C745%25%2C+derajat+subtitusi+2%2C6+dan+titik+leleh+170oC%2C+sampel+D+diperoleh+kadar+asetil+41%2C113%25%2C+derajat+subtitusi+2%2C7+dan+titik+leleh+185oC.++Analisis+FTIR+pada+sampel+B%2C+C%2C+dan+D+menunjukkan+adanya+gugus+C%3DO+pada+daerah+1760-1720cm-1+(selulosa+asetat)+dan+gugus+C-O+(gugus+asetil)+pada+daerah+1220-1200cm-1.++Morfologi+dari+selulosa+asetat+menggunakan+SEM+menunjukkan+bahwa+sampel+C+memiliki+kerapatan+yang+menyerupai+sampel+D.++Analisis+degradasi+termal+oleh+TGA%2FDTA+menunjukkan+degradasi+selulosa+asetat+sampel+B+pada+suhu+325oC%2C+sampel+C+350oC+dan+sampel+D+355oC.%0D%0A%0D%0A%0D%0AKata+Kunci%3A+Tandan+Kosong+Sawit+(TKS)%2C+%CE%B1-Selulosa%2C+Selulosa+Asetat%0D%0A%0D%0A%0D%0A%0D%0AABSTRACK%0D%0A%0D%0AThe+preparation+of+cellulose+acetate+from+%CE%B1-cellulose+which+was+isolated+from+oil+palm+empty+fruit+bunches+(OPEFB)+using+delignification+and+bleaching.++OPEFB+which+has+been+delignificated%2C+to+be+varied+repetition+bleaching%2C+bleaching+one+(Sample+A)+and+two+step+of+bleaching+(Sample+B)%2C+the+method+delignification%2C+pulping+and+bleaching+(Sample+C)+and+commercial+cotton+(Sample+D).++Sample+A+obtained+%CE%B1-cellulose+content+is+71%2C778%25%2C+sample+B+is+72%2C78%25%2C+sample+C+is+97%2C04%25+and+sample+D+is+98%2C57%25.++After+obtained+%CE%B1-cellulose%2C+the+fourth+sample+was+then+reacted+by+using+the+activation+process%2C+acetylation%2C+hydrolysis+and+precipitation+to+obtain+cellulose+acetate.++Sample+A+obtained+acetyl+content+is+13%2C56%25%2C+degree+of+subtitution+is+1%2C86+and+melting+point+is+180oC%2C+sample+B+obtained+acetyl+content+is+17%2C866%25%2C+degree+of+subtitution+is+1%2C96+and+melting+point+is+181oC%2C+sample+C+obtained+acetyl+content+is+38%2C745%25%2C+degree+of+subtitution+is+2%2C6+and+melting+point+is+170oC%2C+sample+D+obtained+content+is+41%2C113%25%2C+degree+of+subtitution+is+2%2C7+and+melting+point+is+185oC.++The+FTIR+spectral+peaks+from+the+sample+B%2C+C%2C+and+D+shows+the+C+%3D+O+group+in+the+area+1760-1720cm-1+(cellulose+acetate)+and+the+CO+group+(acetyl+group)+in+the+area+1220-1200cm-1.++Morphology+of+cellulose+acetate+using+SEM+showed+that+the+sample+C+has+a+density+that+resembles+the+sample+D.++Based+on+analysis+of+thermal+degradation+by+TGA+%2F+DTA+showed+degradation+of+cellulose+acetate+sample+B+at+a+temperature+of+325oC%2C+sample+C+is+350oC+and+sample+D+is+355oC.%0D%0A%0D%0AKey+Word%3A++Oil+Palm+Empty+Fruit+Bunches+(OPEFB)%2C+%CE%B1-Cellulose%2C+Cellulose+Acetate%0D%0A&rft.publisher=Fakultas+Keguruan+dan+Ilmu+Pendidikan&rft.date=2014-11-24&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5822%2F1%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5822%2F2%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5822%2F3%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5822%2F4%2FCOVER%2520LUAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5822%2F5%2FDAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5822%2F6%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5822%2F7%2FDAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5822%2F8%2FHALAMAN%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5822%2F9%2FHALAMAN%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5822%2F10%2FMOTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5822%2F11%2FPERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5822%2F12%2FRIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F5822%2F13%2FSANWACANA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