Waste mica and carbon black filled natural rubber composites: a comparative study

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Somarathna Yashoda Ramyajith; Achira Nuwan Lelwala Manage; Yasanga Sudusingha Yohan Chandika; Dilshan Mallikaarachchi Don Vidura; Siriwardena Susantha

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Journal Paper

Paper Information

Journal: Iranian Polymer Journal Year:2022 | Volume:31 | Issue:10 Page(s): 1209-1223

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Title

Waste mica and carbon black filled natural rubber composites: a comparative study

Author(s)

Somarathna Yashoda Ramyajith | Achira Nuwan Lelwala Manage | Yasanga Sudusingha Yohan Chandika | Dilshan Mallikaarachchi Don Vidura | Siriwardena Susantha

Keywords

Carbon black

Natural rubber vulcanizates

Physio-mechanical properties

Thermal conductivity

Mica

Abstract

This study focuses on replacing Carbon black (CB), a non-renewable widely used filler with known environmental threats, by waste Mica (WM) in natural rubber (NR) vulcanizates. Two series of CB and WM-filled NR composites were prepared by varying from 0 to 60 pphr at 15 intervals. NR/WM vulcanizates marked slow curing rates with prolonged curing times and better scorch safety. The comparison of the physico-mechanical properties indicated WM could not establish an equal degree of rubber-filler interactions similar to CB, which may be ascribed to large particle sizes and uneven filler distribution in NR. De-bonded WM particles seen in scanning electron microscope images provided evidence for poor interfacial adhesions. The variation in properties showed a similar trend while there was wide a difference in those properties of both types of higher filler loading. Damping properties of the vulcanizates revealed lower skid and rolling resistance of NR/WM vulcanizates compared to their counterpart irrespective of the filler loading. Resilience and Thermal conductivity properties suggested that NR/WM vulcanizates possessed improved heat build-up and heat insulation properties. Overall results suggested that WM has the potential to replace CB in NR compounds at low filler loadings.

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APA: Copy

Somarathna, Yashoda Ramyajith, Achira Nuwan, Lelwala Manage, Yasanga Sudusingha, Yohan Chandika, Dilshan Mallikaarachchi, Don Vidura, & Siriwardena, Susantha. (2022). Waste mica and carbon black filled natural rubber composites: a comparative study. IRANIAN POLYMER JOURNAL (ENGLISH), 31(10), 1209-1223. SID. https://sid.ir/paper/1040847/en

Vancouver: Copy

Somarathna Yashoda Ramyajith, Achira Nuwan Lelwala Manage, Yasanga Sudusingha Yohan Chandika, Dilshan Mallikaarachchi Don Vidura, Siriwardena Susantha. Waste mica and carbon black filled natural rubber composites: a comparative study. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2022;31(10):1209-1223. Available from: https://sid.ir/paper/1040847/en

IEEE: Copy

Yashoda Ramyajith Somarathna, Lelwala Manage Achira Nuwan, Yohan Chandika Yasanga Sudusingha, Don Vidura Dilshan Mallikaarachchi, and Susantha Siriwardena, “Waste mica and carbon black filled natural rubber composites: a comparative study,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 31, no. 10, pp. 1209–1223, 2022, [Online]. Available: https://sid.ir/paper/1040847/en

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