The Study of Using Bio-Filler from Cassava Pulp in Natural Rubber Composites

Abstract:

Cassava pulp (CP) is an inexpensive and broadly available waste by-product from cassava starch production. This by-product is basically constituted of cellulose fiber and residual starch. In this study, cassava pulp was mixed with natural rubber (NR) with various contents using two roll mills to obtain CP/NR composites. Natural rubber grafted glycidyl methacrylate (NR-g-GMA) was used as compatibilizer in CP/NR/NR-g-GMA composites. Sulfur conventional vulcanization was used. The composite specimens were prepared by compression molding. Mechanical properties and morphological properties of composites were investigated. The results showed that tensile strength was significantly increased with increasing content of cassava pulp up to 20 phr. However, when cassava pulp was increased more than 30 phr, tensile strength was slightly decreased. Elongation at break of NR composites was not changed with increasing cassava pulp. The modulus of NR composites was increased with increasing cassava pulp content. Morphological properties of CP/NR composites was elucidated as well.

• Periodical: Advanced Materials Research (Volume 747)
• Pages: 371-374
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.747.371
• Online since: August 2013
• Authors: Watcharin Ruangudomsakul, Chaiwat Ruksakulpiwat, Ruksakulpiwat Yupaporn
• Keywords: Bio-Filler, Cassava Pulp, Natural Rubber (NR), Natural Rubber Composites

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