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Analysis of the impact properties of a Recycled Rubber and Polypropylene blend

Jansen, Sebastiaan (2024) Analysis of the impact properties of a Recycled Rubber and Polypropylene blend. Integration Project, Industrial Engineering and Management.

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In this project the suitability of various Polypropylene and recycled bike tyre rubber blend regarding the impact properties of such a blend is researched. This research was conducted in cooperation with the start up company New Born Rubber who have developed a new way of recycling rubber negating the vulcanization by creating a branched rubber variant that, to some degree, retains its viscosity and mechanical properties. This research uses the data from tensile tests, namely the modulus of toughness and the elastic modulus, to make an estimated guess regarding the impact properties, namely resilience (kJ/m2), Peak Strength (N) and deformation (mm), of this recycled rubber to research if the impact properties would be comparable to those of virgin rubber. 3 blends were tested, 5 weight % BR, 10 weight % BR and 15 weight % BR with the rest of the blend consisting of PP with a 4th pure 100 weight % PP sample for comparison. The data from the tensile tests showed that, when compared to pure PP, the blends with BR decreased in terms of modulus of toughness and elastic modulus as the weight % BR increased with the blend containing 15 weight % BR actually increasing again. Based on literature it was speculated that the MoT had a positive relation to the impact properties and that the elastic modulus (Pa) had a negative relation to the impact properties. This, together with the data being inaccurate due to a small data set, resulted in an inconclusive result from the tests.

Item Type: Thesis (Integration Project)
Supervisor name: Yap, M.H.
Degree programme: Industrial Engineering and Management
Thesis type: Integration Project
Language: English
Date Deposited: 15 Apr 2024 11:24
Last Modified: 15 Apr 2024 11:24

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