Highly efficient platinum nano-particles decorated multi-walled carbon nanotubes (Pt/MWCNTs) catalyst for catalytic hydrogenation of styrene–butadiene–styrene (SBS) copolymer oleh Alaaddin M.M. Saeed, Gui-Ping Cao, Ahmed S. Al-Fatesh, Salwa B. Alreshaidan, Nawab Ali, Mustapha Sani Shehu, Jun-Yang Yan