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블릿 Title(Kor) *
블릿 Title(Eng) Effects of Coupling and Dispersion Agents on the Properties of Styrene-Butadiene Rubber/Butadiene Rubber Compounds Reinforced with Different Silica Contents
블릿 Keyword SBR/BR, silica content, coupling agent, dispersion agent, physical property
블릿 Author(Kor) *
블릿 Author(Eng) Jae-Kyoung Yang*,**, Wonhyeong Park*, Changseok Ryu*, Sun Jung Kim*, Doil Kim*, Jong-Ho Kim**, and Gon Seo*,**,†
블릿 Date 2018.09.30
블릿 Attach file 1 109-123서곤.pdf
블릿 Page Page. 109~123
블릿 Abstract(Kor)
*
블릿 Abstract(Eng)
The effect of the silica content on the state and properties of silica-filled styrene-butadiene rubber/butadiene rubber (SBR/BR) compounds containing coupling and dispersion agents was evaluated by varying the content of silica from 50 to 120 phr. Bis-[(triethoxysilyl)propyl] tetrasulfide (TESPT) and zinc 2-ethylhexanoate (ZEH) were used as the coupling and dispersion agents, respectively. The maximum silica content in the pristine material was 80 phr, which increased to 120 phr upon the addition of TESPT and ZEH. The incorporation of TESPT considerably improved most of the rubber properties due to its coupling action and the suppression of silica flocculation, while further addition of ZEH resulted in additional improvements. The properties of the rubber compounds with different silica contents can be fully explained either by an enhancement of the rubber–silica interactions or by their deterioration due to an excessive amount of silica aggregates.



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