Microstructure and thermal properties of natural rubber compound with palm oil boilers ash for nanoparticle filler

Abstract This study aims to determine the properties of natural rubber compounds by varying the Oil Palm Boiler Ash (OPBA) nanoparticles with variations (0,2,4,6 and 8) wt%. The preparation method for natural rubber compounds uses Open Mill by mixing Indonesian Rubber Standard-20 (SIR-20) with anti-oxidants, activators, preservatives, accelerators, and OPBA nanoparticle fillers. The results showed thermal properties with Differential Scanning Calorimetric (DSC) increased melting point and the presence of cross bonds with increasing OPBA composition compared without filler. The distribution of compounds occurs even with the addition of OPBA filler. The results of the XRD diffraction pattern analysis of natural rubber composites without fillers amorphously shaped, but with the addition of OPBA fillers, the diffraction pattern showed a crystal structure. The FTIR graph shows that there is no significant difference between compounds with and without fillers.