PENCANGKOKAN METIL METAKRILAT PADA KARET ALAM SIKLIS DENGAN INISIATOR DIKUMIL PEROKSIDA: EFEK KONSENTRASI MONOMER

Asmara Sari Nasution, Efi Said, Eddiyanto ,, M. Said Siregar

Abstract


The research of grafting methyl methacrylate onto Cyclized Natural Rubber  has been carried out. Dicumyl Peroxide was used as a inisiator and temperature condition at 90oC with variation of time 1 and 2 hours. Grafting process was done with technique of reflux in a tree-neck flask  with condenser and oil bath. Spectra analysis FTIR performed for determine the presence of grafted MMA on the backbone of CNR. The results showed that the product CNR-g-MMA was formed with the marked appearance of the absorption peak wave numbers at 1731 cm-1 (carbonyl group absorption) typical for carbonyl (C = O) of methyl methacrylate. The degree of grafting increased with the increasing time grafting.

Keywords: grafting, cyclic natural rubber, mathylmetacrilate, dicumyl peroxide


DOI:

https://doi.org/10.30596/agrium.v19i1.336


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