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블릿 Title(Kor) -
블릿 Title(Eng) Optimization of Cure System for the ESBR Silica WMB and BR Silica DMB Blend Compounds
블릿 Keyword ESBR, Wet masterbatch, Blend compound, Cure system, Crosslink density
블릿 Author(Kor) -
블릿 Author(Eng) Eunho Yu, Woong Kim, Gyeongchan Ryu, Byungkyu Ahn, Hyunsung Mun, Kiwon Hwang, Donghyuk Kim, and Wonho Kim†
블릿 Date 2019.06.30
블릿 Attach file [02] 97-104김원호.pdf
블릿 Page Page. 97-104
블릿 Abstract(Kor)
-
블릿 Abstract(Eng)
Emulsion styrene-butadiene rubber silica wet masterbatch (ESBR silica WMB) technology was studied to develop highly filled and highly dispersed silica compounds, involving the preparation of a composite by co-coagulating the modified silica and the rubber latex in a liquid phase. Previous studies have shown that when manufacturing ESBR silica WMB/Butadiene silica dry masterbatch (BR silica DMB) blend compounds, preparing BR silica dry masterbatch and mixing it with ESBR silica WMB gave excellent results. However, WMB still has the problem of lower crosslink density due to residual surfactants. Therefore, in this study, tetrabenzylthiuram disulfide (TBzTD) was added instead of diphenyl guanidine (DPG) in the ESBR silica WMB/BR silica DMB blend compounds and sulfur/CBS contents were increased to evaluate their cure characteristics, crosslink densities, mechanical properties, and dynamic viscoelastic properties. TBzTD was found to be more effective in increasing the crosslink density and to produce superior properties compared to DPG. In addition, with increasing sulfur/CBS contents, mechanical properties and rolling resistance were enhanced due to high crosslink density, but the abrasion resistance was not significantly changed because of the toughness.



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