DataVXJournal of Elastomers & PlasticsPaper
journal article·2010-03

Properties of Natural Rubber Filled with Ultra Fine Acrylate Rubber Powder

Pongdhorn Sae-Oui, Chakrit Sirisinha, Kannika Hatthapanit

Journal of Elastomers & Plastics· Volume 42· Issue 2
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Source abstract

Abstract

Properties of natural rubber (NR) filled with various loadings of ultra-fine vulcanized acrylate rubber powder (ACMP) were investigated. ACMP loading was varied from 0 to 20 phr and, after compounding, the compound properties were determined. Results reveal that increasing ACMP loading leads to improved processability, as evidenced by the reduction of both mixing energy and Mooney viscosity. ACMP, however, has negative effect on cure, that is, both scorch time and optimum cure time are prolonged while the state of cure is reduced with increasing ACMP loading. Due to the reinforcing effect of the fine ACMP particles, both modulus and hardness are found to increase consecutively with increasing ACMP loading. The tensile strength is also found to improve with increasing ACMP loading up to 10 phr. However, due to the cure retardation effect and the high thermoplastic nature, the presence of ACMP causes deterioration of elasticity. As ACMP is highly polar and fully saturated, the addition of ACMP enhances the resistance to oil and thermal aging of the NR vulcanizate. Significant improvement of thermal aging resistance is found when 10 phr or more of ACMP is added.
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Research context

Composites

OpenAlex topics: Polymer Nanocomposites and Properties · Natural Fiber Reinforced Composites · Polymer crystallization and properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

National Metal and Materials Technology Center, 114 Thailand Science Park, Paholyothin Rd., Klong 1, Klong-Luang, Pathumthani 12120, Thailand, , Research and Development Centre for Thai Rubber Industry, Faculty of Science, Mahidol University, Salaya Campus, Phutthamonthon 4 Rd., Salaya, Nakornprathom 73170, Thailand

Research and Development Centre for Thai Rubber Industry, Faculty of Science, Mahidol University, Salaya Campus, Phutthamonthon 4 Rd., Salaya, Nakornprathom 73170, Thailand, Department of Chemistry, Faculty of Science, Mahidol University, Rama 6 Rd., Rajdhevee, Bangkok 10400, Thailand

National Metal and Materials Technology Center, 114 Thailand Science Park, Paholyothin Rd., Klong 1, Klong-Luang, Pathumthani 12120, Thailand, Research and Development Centre for Thai Rubber Industry, Faculty of Science, Mahidol University, Salaya Campus Phutthamonthon 4 Rd., Salaya, Nakornprathom 73170, Thailand

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