Enhance the Rolling Resistance of Natural Rubber via Silicone Chemistry Reagent and Study its Rheological Properties

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dc.contributor.advisorBiswal, Sibani L.en_US
dc.creatorAlenezi, Moneer Sen_US
dc.date.accessioned2021-04-13T22:14:31Zen_US
dc.date.available2021-04-13T22:14:31Zen_US
dc.date.created2021-05en_US
dc.date.issued2021-04-12en_US
dc.date.submittedMay 2021en_US
dc.date.updated2021-04-13T22:14:31Zen_US
dc.description.abstractNatural rubber (NR) has been preferable to its counterpart synthetic due to the remarkable mechanical properties and as a greener alternative material to the synthetic rubber. Rolling resistance (RR) enhancement is desired to minimize carbon dioxide (CO2) emissions produced via vehicle footprint. A reinforcing silica filler without any incompatibility among silica molecules and NR particles has shown to enhance the silica/polymer interactions within NR, leading to lower the rolling resistance. Silica has proved to improve the mechanical properties such as tensile strengths and toughness, resulting in green NR tires, that has potential to replace synthetic rubber. In this MS thesis, the impacts of silica to the micro-structure of NR, the crosslinking process, and the rheological properties of NR are investigated through numerous approaches. Characterization of the network structure and aggregates formed in NR micro-structure due to silica addition are determined via optical microscope and scanning electron microscope (SEM). The fractal dimension of different aggregates size formed via addition of silica is calculated using MATLAB image processing. Various types of surfactants are examined to stabilize the NR with silica and observe the rubber particles response. Rheological properties of concentrated NR and viscoelastic properties of NR with silica addition are carried out through ARES-G2 rheometer. Results displayed in this thesis are manifested that silica reinforced NR can form a robust network. Sodium Dodecyl Sulfate (SDS) surfactant is tested effectively to provide a stability in NR structure without forming aggregations. The rheological results are demonstrated the various viscoelastic behavior of NR with manipulating silica amount addition.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationAlenezi, Moneer S. "Enhance the Rolling Resistance of Natural Rubber via Silicone Chemistry Reagent and Study its Rheological Properties." (2021) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/110277">https://hdl.handle.net/1911/110277</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/110277en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectnatural rubber latexen_US
dc.subjectcoagulationen_US
dc.subjectrheological propertiesen_US
dc.subjectsurfactantsen_US
dc.subjectreinforcing silicaen_US
dc.subjectaggregationen_US
dc.subjectcrosslinkingen_US
dc.titleEnhance the Rolling Resistance of Natural Rubber via Silicone Chemistry Reagent and Study its Rheological Propertiesen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentChemical and Biomolecular Engineeringen_US
thesis.degree.disciplineEngineeringen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Scienceen_US
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