TAILIEUCHUNG - Study on the effect of carbon black, carbon nanotube on the properties of rubber blend acrylonitrile butadiene rubber (NBR)/polyvinyl chloride (PVC)
The effects of carbon nanotube (CNT) in combination with carbon black (CB) on the properties of acrylonitrile butadiene rubber (NBR)/polyvinyl chloride (PVC) (70/30) were investigated. The results reveal that the maximal tensile strength of the rubber blend was obtained by the fillers ratio of CB:CNT = 39:1. At this filler ratio, the thermal stability and heat conductivity of the rubber blend were also significantly improved. The analysis of FE-SEM images and DMA diagram indicate that the dispersion of filler as well as the interaction between fillers and rubber matrix was improved by the incorporation of CNT. | Vietnam Journal of Chemistry, International Edition, 55(5): 627-632, 2017 DOI: Study on the effect of carbon black, carbon nanotube on the properties of rubber blend acrylonitrile butadiene rubber (NBR)/polyvinyl chloride (PVC) Luong Nhu Hai1*, Pham Duy Suy1, Nguyen Thi Ngoan1, Nguyen Van Thuy2, Ngo Trinh Tung3, Pham Cong Nguyen4,, Le Thi Thuy Hang5, Ngo Ke The2 1 Center for High Technology Development, Vietnam Academy of Science and Technology 2 Institute of Materials Science, Vietnam Academy of Science and Technology 3 Institute of Chemistry, Vietnam Academy of Science and Technology 4 Institute H57 - Ministry of Public Security 5 Hanoi University of Natural Resources and Environment Received 15 June 2017; Accepted for publication 18 October 2017 Abstract The effects of carbon nanotube (CNT) in combination with carbon black (CB) on the properties of acrylonitrile butadiene rubber (NBR)/polyvinyl chloride (PVC) (70/30) were investigated. The results reveal that the maximal tensile strength of the rubber blend was obtained by the fillers ratio of CB:CNT = 39:1. At this filler ratio, the thermal stability and heat conductivity of the rubber blend were also significantly improved. The analysis of FE-SEM images and DMA diagram indicate that the dispersion of filler as well as the interaction between fillers and rubber matrix was improved by the incorporation of CNT. Keywords. NBR/PVC blends, carbon nanotube (CNT), carbon black (CB), nanocomposites. 1. INTRODUCTION One of the most interesting polymer blends in materials science is the rubber blend of acrylonitrile butadiene rubber (NBR) with polyvinyl chloride (PVC) [1]. The elastomeric component NBR can act as a permanent plasticizer for PVC applications, as in electrical wires and cables coatings, wrapping films for the food industry, conveyor belts, domestic appliances, etc. The presence of PVC helps improve the ozone and aging resistance of NBR, which enable the use of this .
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