Effect of urea-based activators on reinforcing activity of silica in natural rubber-based compounds

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dc.contributor.authorAmbewela, D
dc.contributor.authorBhashini, JWM
dc.contributor.authorElvitigala, PSH
dc.contributor.authorGunapala, O
dc.contributor.editorRathnasiri, PG
dc.date.accessioned2022-04-27T03:14:35Z
dc.date.available2022-04-27T03:14:35Z
dc.date.issued2019
dc.description.abstractSilica-filled rubber compounds has a high demand for making white and colored rubber products. Silica-filler has high reinforcing ability compared to other white-fillers. Traditionally, polyethylene glycol (PEG) is used to block the acidic silanol groups covering the surface of silica to prevent agglomeration of filler. The present research made an attempt to replace PEG with commercially available urea-based activator Rhenofit-1987. Similar to PEG the Rhenofit-1987 structure includes hydroxyl groups. Additionally, it has amine groups which accelerate vulcanization by building additional links with rubber. To check the reinforcing activity of Rhenofit-1987, the series of Natural rubber-based silica-filled compounds were prepared by partially and fully replacing PEG with Rhenofit-1987. Obtained test results showed improved tensile and tear strength of compounds consisting of Rhenofit-1987 which confirm that Rhenofit-1987 has better reinforcing activity of silica than PEG.en_US
dc.identifier.citationAmbewela, D., Bhashini, J.W.M., Elvitigala, P.S.H., & Gunapala, O. (2019). Effect of urea-based activators on reinforcing activity of silica in natural rubber-based compounds [Extended Abstract]. In P.G. Rathnasiri (Ed.), Proceedings of Undergraduate Research Symposium Chemical and Process Engineering 2019 (pp. 100-103). Department of Chemical and Process Engineering, University of Moratruwa.en_US
dc.identifier.conferenceUndergraduate Research Symposium Chemical and Process Engineering 2019en_US
dc.identifier.departmentDepartment of Chemical and Process Engineeringen_US
dc.identifier.emailolga@uom.lken_US
dc.identifier.facultyEngineeringen_US
dc.identifier.pgnospp. 100-103en_US
dc.identifier.placeKatubeddaen_US
dc.identifier.proceedingProceedings of Undergraduate Research Symposium Chemical and Process Engineering 2019
dc.identifier.urihttp://dl.lib.uom.lk/handle/123/17719
dc.identifier.year2019en_US
dc.language.isoenen_US
dc.publisherDepartment of Chemical and Process Engineering, University of Moratuwaen_US
dc.subjectPEGen_US
dc.subjectNRen_US
dc.subjectSilanizationen_US
dc.subjectReinforcementen_US
dc.titleEffect of urea-based activators on reinforcing activity of silica in natural rubber-based compoundsen_US
dc.typeConference-Extended-Abstracten_US

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