?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=SINTESIS+DAN+KARAKTERISASI+POLIPADUAN+POLI+ASAM+LAKTAT+%0D%0A(PLA)+DAN+POLI+%C9%9B-KAPROLAKTON+(PCL)+SEBAGAI+BAHAN+BAKU+%0D%0APEMBUATAN+BENANG+BEDAH+OPERASI%0D%0ADENGAN+EMULSIFIER+GELATIN&rft.creator=Dhia+Hawari%2C+1417011025&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Pada+penelitian+ini+telah+dilakukan+sintesis+Poli+Asam+Laktat+(PLA)+dan+Poli+%C9%9B%EF%BF%BDkaprolakton+(PCL)+yang+banyak+digunakan+dalam+aplikasi+biomedis+karena+rentan+%0D%0Aterhadap+pembelahan+rantai+hidrolitik+maupun+enzimatik+sehingga+mudah+%0D%0Adimetabolisme+dalam+tubuh+manusia.+Hal+ini+sangat+berguna+untuk+aplikasi+biomedis%2C+%0D%0Aterutama+benang+operasi.+Untuk+meningkatkan+fleksibilitas+bahan%2C+maka+ditambahkan+%0D%0Aemulsifier+berupa+gelatin.+Metode+sintesis+dilakukan+dengan+memadukan+polimer+PLA+%0D%0Adan+PCL+sehingga+menghasilkan+lembaran+film+polipaduan.+Uji+degradasi+memberikan+%0D%0Ahasil+terbaik+pada+perbandingan+komposisi+PLA%2FPCL+4%3A1+yang+memiliki+persentase+%0D%0Asebesar+3%2C06%25+dalam+NaCl+0%2C9%25%3B+1%2C98%25+dalam+buffer+fosfat+pH+6%3B+2%2C83%25+dalam+buffer+%0D%0Afosfat+pH+7+dan+4%2C8%25+dalam+buffer+fosfat+pH+8.+Nilai+kekuatan+mekanik+terbesar+%0D%0Adimiliki+polipaduan+dengan+perbandingan+komposisi+PLA%2FPCL+1%3A1+sebesar+13%2C06+%0D%0AN%2Fmm2%0D%0Abelum+memenuhi+standar+benang+operasi+komersil.+Hasil+analisis+FTIR+%0D%0Amenunjukkan+adanya+interaksi+fisika+antara+PLA+dan+PCL%2C+dibuktikan+dengan+%0D%0Amunculnya+spektrum+yang+sama+antara+PLA+dan+PCL+sebelum+dan+sesudah+dipadukan.+%0D%0AAnalisis+TGA+menunjukkan+polipaduan+mengalami+penurunan+stabilitas+termal+%0D%0Adibandingkan+dengan+polimer+penyusunnya+akibat+interaksi+antarpolimer+yang+rendah.+%0D%0AAnalisis+SEM+menunjukkan+polipaduan+memiliki+morfologi+yang+acak+dan+cenderung+%0D%0Aberongga.%0D%0AKata+kunci%3A+Polimer%2C+Poli+Asam+Laktat+(PLA)%2C+Poli+%C9%9B-kaprolakton+(PCL)%2C+gelatin%2C+%0D%0Abenang+operasi.%0D%0A%0D%0AIn+this+research+the+synthesis+of+Poly+Lactic+Acid+(PLA)+and+Poly+%C9%9B-caprolactone+%0D%0A(PCL)+are+widely+used+in+biomedical+applications+because+they+are+susceptible+to+%0D%0Ahydrolytic+and+enzymatic+chain+cleavages+so+that+they+are+easily+metabolized+in+the+%0D%0Ahuman+body.+This+is+very+useful+for+biomedical+applications%2C+especially+operating+%0D%0Asutures.+To+increase+the+flexibility+of+the+material%2C+an+emulsifier+in+the+form+of+gelatin+%0D%0Ais+added.+The+synthesis+method+is+carried+out+by+blending+PLA+and+PCL+polymers+to+%0D%0Aproduce+polyblend+film+fibers.+The+degradation+test+gives+the+best+results+on+the+%0D%0Acomposition+ratio+of+PLA%2FPCL+4%3A1+which+has+a+percentage+of+3.06%25+in+0.9%25+NaCl%3B+%0D%0A1.98%25+in+phosphate+buffer+pH+6%3B+2.83%25+in+phosphate+buffer+pH+7+and+4.8%25+in+%0D%0Aphosphate+buffer+pH+8.+The+greatest+value+of+mechanical+strength+was+obtained+by+%0D%0Apolyblend+with+the+ratio+of+the+composition+of+PLA+%2F+PCL+1%3A1+at+13.06+N%2Fmm2%0D%0A.+But+%0D%0Athis+value+does+not+meet+the+standards+of+commercial+sutures.+The+results+of+FTIR+%0D%0Aanalysis+showed+that+there+was+a+physical+interaction+between+PLA+and+PCL%2C+as+%0D%0Aevidenced+by+the+appearance+of+the+same+spectrum%2C+between+PLA+and+PCL+before+%0D%0Aand+after+blending.+TGA+analysis+shows+that+polyblend+has+decreased+its+thermal+%0D%0Astability+compared+to+its+constituent+polymers+due+to+low+interaction+between+%0D%0Apolymers.+SEM+analysis+shows+that+polyblends+have+random+morphology+and+tend+to+%0D%0Abe+hollow.%0D%0AKeywords%3A+Polymer%2C+Poly+Lactic+Acid+(PLA)%2C+Poly+%C9%9B-caprolactone+(PCL)%2C+gelatin%2C+%0D%0Asuture.%0D%0A%0D%0A&rft.publisher=Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56699%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56699%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56699%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Dhia+Hawari%2C+1417011025++(2019)+SINTESIS+DAN+KARAKTERISASI+POLIPADUAN+POLI+ASAM+LAKTAT+(PLA)+DAN+POLI+%C9%9B-KAPROLAKTON+(PCL)+SEBAGAI+BAHAN+BAKU+PEMBUATAN+BENANG+BEDAH+OPERASI+DENGAN+EMULSIFIER+GELATIN.++Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F56699%2F