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양준호(Juneho Yang),유태욱(Taewook Yoo),이동준(Dongjun Lee),석종민(Jongmin Seok),나성택(Seongtaek Na) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
The new recycled rubber material, in this study, was developed with recycling waste EPDM & FPM rubber. The crushing process in the specific shredder under high temperature could make the waste rubber pulverized and semidevulcanized. By the following continuous devulcanization process in twin screw extruder, these pulverized rubber particles were almost devulcanized and more fine powder with the size of 50~150㎛ were acquired. The performances of these two processes were from the frictional shear stress and also optimized individually by DFSS(Design For Six Sigma). This rubber powder would be a major component in making a new recycled rubber compound. As a result of the measurement of mechanical properties and durability performances of molded products, this compound could meet material specification and be confirmed to have no trouble in compression mold test for manufacturing those products.