Penelitian “polymer blend” high styrene rubber dengan karet alam untuk “sponnge middle sole”
1999
Setyowati, Penny | Nadilah | Nurwati
The objective of this research was find optimum composision of polymer blend of High Styrene Rubber (HSR) and Natural Rubber (SIR 3L) for preparation sponge middle sole that save the best fisical properties, strong, flexible, light, stable and thermoplastic properties. The formulation of rubber compound has to be researched as much as 3 formalition MS 1, MS II and MS III with variation of SIR 3L, HSR and HAF black as follows, MS I 70-30-20 phr ; MS II 80-20-30 PHR and MS III 90-10-40 phr . From the fisical test analysis, optimum formulation to be reached at the compound formualtion MS III with result of fisical test as follows : Tensile strength : 0.572 kg/mm2 ; Elongation at break : 204% ; Hardness share A : 55,8 : Density 0,728 gr/cm3 : Tear Resistance : 0,296 kg/mm2 and Compression Set 22,042%.
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