University of Twente Student Theses


Replacement of Carbon Black by Renewable Fillers in Natural Rubber

Schouw, C.Q.G. (2023) Replacement of Carbon Black by Renewable Fillers in Natural Rubber.

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Abstract:This study addresses environmental concerns surrounding resource depletion and carbon emissions by investigating sustainable fillers in natural rubber compounds. The primary aim is to reduce reliance on the non-renewable carbon black filler. Various renewable fillers are introduced as partial or whole substitutes for carbon black. Initial inferior in-rubber properties arise due to lower surface area and differing chemistry of the renewable fillers. To enhance performance, promising calcium carbonates and lignin-filled compounds are modified using in-situ coupling agents. Incorporating alpha lipoic acid and a titanate agent improves processing and mechanical properties, even yielding carbon black-comparable performance. Silane coupling agents improved the lignin compounds' hardness and rebound resilience but showed diminished elongation and tensile strength.
Item Type:Essay (Master)
Faculty:ET: Engineering Technology
Subject:51 materials science, 52 mechanical engineering
Programme:Mechanical Engineering MSc (60439)
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