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Effect of Vinyltriethoxysilane Content on Mechanical and Physical Properties of Precipitated Silica Reinforced Silicone Rubber  

Jin, Sung-Hoon (Department of Chemical Engineering, Inha University)
Hong, Jin-Ho (Department of Chemical Engineering, Inha University)
Kim, Il (The WCU Center for Synthetic Polymer Bioconjugate Hybrid Materials, Department of Polymer Science and Engineering, Pusan National University)
Yun, Ju-Ho (Enviromental Materials & Components R&D Center, Korea Automotive Technology Institute)
Shim, Sang-Eun (Department of Chemical Engineering, Inha University)
Publication Information
Polymer(Korea) / v.35, no.4, 2011 , pp. 342-349 More about this Journal
Abstract
The effect of the amount of vinyltriethoxysilane (VTEOS) in precipitated silica filled silicone rubbers was extensively investigated in terms of the change of mechanical properties, heat resistance, oil resistance, compression set, resilience, and curing characteristics. As the content of VTEOS increased from 0 to 2.0 phr, the hardness of the silicone rubber increased, however, tensile strength, elongation at break, and tear strength decreased. From heat resistance test, the change of mechanical properties was pronounced for silicone rubber treated with more VTOES. The best heat resistance was achieved at 2.0 phr VTOES. In addition, oil resistance was proportionally improved with VTEOS content. From oil resistance test. it was found that the decrease in hardness and maximum elongation was reduced for VTEOS-added systems. Finally, resilience, compression set, degree of cure and crosslink density were significantly enhanced with the amount of VTEOS.
Keywords
silicone; rubber; precipitated silica; vinyltriethoxysilane; mechanical properties;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
Times Cited By Web Of Science : 2  (Related Records In Web of Science)
Times Cited By SCOPUS : 2
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