?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+PENGARUH+KADAR+SELULOSA+TERHADAP+SIFAT+TARIK%0D%0A%0D%0AKOMPOSIT+KARET+ALAM&rft.creator=M.+IQBAL+ADI+NUGRAHA%2C+1515021003&rft.subject=600+Teknologi+(ilmu+terapan)&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Komposit+merupakan+penggabungan+dua+material+atau+lebih+untuk+menghasilkan%0D%0Asifat+material+yang+dibutuhkan+oleh+manusia.+Karet+alam+merupakan+salah+satu%0D%0Amaterial+terbaharukan+yang+dapat+digunakan+dalam+pembuatan+komposit.%0D%0APenelitian+ini+bertujuan+untuk+mengetahui+pengaruh+kadar+selulosa+yang%0D%0Aterkandung+didalam+serat+alam+terhadap+sifat+tarik+komposit+karet+alam+dan+serat%0D%0Aalam.+Dalam+penelitian+ini+material+yang+digunakan+adalah+karet+alam+dan+serat%0D%0Aalam+dengan+varian+serat+daun+nanas+dengan+kadar+selulosa+50.98%25%2C+serat+sabut%0D%0Akelapa+muda+dengan+kadar+selulosa+33.10%25+serta+serat+batang+pisang+dengan%0D%0Akadar+selulosa+33.10%25.+proses+pertama+pembuatan+komposit+ini+yaitu+menyaring%0D%0Akaret+alam+dengan+saringan+100+mesh+serta+mempersiapkan+serat%2C+kemudia%0D%0Amelakukan+pencampuran+karet+alam+dengan+asam+formiat+dan+dilakukan%0D%0Apenuangan+kedalam+cetakan.+Setelah+itu+spesimen+di+press+dengan+beban+8+ton%0D%0Aselama+30+menit.+Terakhir%2C+spesimen+dikeringkan+menggunakan+oven+dengan+suhu%0D%0A150%C2%B0C.+Pengujian+yang+dilakukan+adalah+pengujian+tarik+yang+menghasilkan+nilai%0D%0Arata-rata+kekuatan+tarik+tertinggi+pada+komposit+karet+alam-serat+nanas+sebesar%0D%0A%0D%0A6.53+MPa+dan+nilai+rata-rata+kekuatan+tarik+terendah+pada+komposit+karet+alam-%0D%0Aserat+pisang+sebesar+0.32+MPa.+Tingkat+kadar+selulosa+pada+serat+mempengaruhi%0D%0A%0D%0Akekuatan+yang+dihasilkan+serta+ikatan+yang+terbentuk+seperti+pada+pengamatan%0D%0Afoto+SEM.+Pada+pengamatan+foto+SEM+dapat+dilihat+ikatan+antara+serat+alam+dan%0D%0Akaret+alam%2C+semakin+tinggi+kadar+selulosa+pada+serat+alam+membuat+terbentuknya%0D%0Aikatan+yang+baik+atau+ikatan+homogen+antara+karet+alam+dan+serat+alam.%0D%0AKata+kunci%3A+Komposit%2C+Selulosa%2C+Karet+Alam%2C+Serat+Alam%2C+Uji+Tarik%2C+SEM.%0D%0A%0D%0AComposite+is+a+combination+of+two+or+more+materials+to+produce+material%0D%0Aproperties+required+by+humans.+Natural+rubber+is+one+of+the+renewable+materials%0D%0Athat+can+be+used+in+the+manufacture+of+composites.+This+study+aims+to+determine%0D%0Athe+effect+of+cellulose+content+contained+in+natural+fibers+on+the+tensile+properties%0D%0Aof+natural+rubber+and+natural+fiber+composites.+In+this+study%2C+the+materials+used%0D%0Awere+natural+rubber+and+natural+fibers+with+variants+of+pineapple+leaf+fiber+with%0D%0A50.98%25+cellulose+content%2C+young+coconut+coir+fiber+with+33.10%25+cellulose+content%0D%0Aand+banana+stem+fiber+with+33.10%25+cellulose+content.+The+first+process+of+making%0D%0Athis+composite+is+filtering+natural+rubber+with+a+100+filter+mesh+and+preparing+the%0D%0Afiber%2C+then+mixing+natural+rubber+with+formic+acid+and+pouring+it+into+the+mold.%0D%0AAfter+that+the+specimen+was+pressed+with+a+load+of+8+tons+for+30+minutes.+Finally%2C%0D%0Athe+specimens+were+dried+in+an+oven+at+150%C2%B0C.+The+test+carried+out+is+a+tensile+test%0D%0A%0D%0Awhich+produces+the+highest+average+tensile+strength+value+for+natural+rubber-%0D%0Apineapple+fiber+composites+of+6.53+MPa+and+the+lowest+average+value+of+natural%0D%0A%0D%0Arubber-banana+fiber+composites+is+0.32+MPa.+The+level+of+cellulose+content+in+the%0D%0Afiber+affects+the+strength+produced+and+the+bond+formed+as+seen+in+the+SEM+photo%0D%0Aobservations.+In+the+SEM+photo+observation%2C+it+can+be+seen+that+the+bond+between%0D%0Anatural+fibers+and+natural+rubber+is+higher%2C+the+higher+the+cellulose+content+in%0D%0Anatural+fibers+makes+a+good+bond+or+homogeneous+bond+between+natural+rubber%0D%0Aand+natural+fibers+formed.%0D%0A%0D%0AKeywords%3A+Composite%2C+Cellulose%2C+Natural+Rubber%2C+Natural+Fiber%2C+Tensile%0D%0ATest%2C+SEM.&rft.publisher=Fakultas+Teknik&rft.date=2021-12-02&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F60871%2F1%2F1.%2520ABSTRAK%2520-%2520ABSTRACT%2520-%2520Kak%2520Dan%2520%25282%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F60871%2F2%2F2.%2520SKRIPSI%2520FULL%2520-%2520Kak%2520Dan%2520%25282%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F60871%2F3%2F3.%2520SKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520Kak%2520Dan%2520%25282%2529.pdf&rft.identifier=++M.+IQBAL+ADI+NUGRAHA%2C+1515021003++(2021)+STUDI+PENGARUH+KADAR+SELULOSA+TERHADAP+SIFAT+TARIK+KOMPOSIT+KARET+ALAM.++Fakultas+Teknik%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F60871%2F