Pembuatan ban dalam sepeda motor dengan filler precipitated calcium carbonate (PCC)
Journal: Majalah kulit, karet, dan plastik (Vol.26, No. 1)Publication Date: 2010-12-30
Authors : Herminiwati Herminiwati;
Page : 42-48
Keywords : PCC; filler; inner tube; motorcycle;
Abstract
The objective of the research was to investigated the utilization of Precipitated Calcium Carbonate (PCC) as filler in production of motorcycle inner tube. Beside black filler, PCC is a white filler needed in producing rubber products. Four types of PCC have been used including two local PCC from Wonosari and East Java, and other two were imported from Japan and Taiwan. The amount of PCC added in inner tube rubber compound was varied 10, 15, 20, 25 and 30 phr respectively. The compounding was carried ? out by using two roll mills, and the compunds were measured their optimum vulcanization time by using rheometer. The compounds were then subjected to vulcanisates were compared to 100 phr, actiplast 8 0,1 phr, paraffinic oil 5 phr, N 550 black 30 phr, ZnO 4 phr, stearic acid 1 phr, antioxidant 1,5 phr, paraffin wax 1 phr, vulcacit DMC 1 phr, vulcacit Thiuram C 0,25 phr, and sulfur 1 phr with the content of PCC Diacal of 25 phr. The best formula meet the requirement of SNI and gave physical properties as follow : tensile strength 232,56 kg/cm2, elongation at break 570 %, permanent set 12,75 %, tensile strength during aging at 105 ± 2 0C, for 5 hours 4,89%. The local PCC form Wonosari and East motorcycle inner tube. However, particle size reduction and coating or surface treatment were needed for improving of the reinforcing effect of the local PCC.
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