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Thermoplastic vulcanizates from post consumer computer plastics/nitrile rubber blends by dynamic vulcanization |
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| Authors: | S Anandhan Anil K Bhowmick |
| Institution: | 1. Department of Metallurgical and Materials Engineering, National Institute of Technology Karnataka, Srinivas Nagar, Mangalore, 575025, India 2. Rubber Technology Centre, Indian Institute of Technology, Kharagpur, 721302, India 3. Departments of Chemistry and Mechanical Engineering, Indian Institute of Technology, Patna, 800013, India |
| Abstract: | Due to depletion of natural resources and increasing greenhouse emissions, new technologies for the transformation of waste polymers into valuable materials represent one of our greatest current needs. Acrylonitrile–butadiene–styrene terpolymer (ABS) is one of the most widely used engineering plastics and is used as outer casing for electronic equipment. Nitrile rubber (NBR) is used in many applications that demand oil resistance. In an attempt to explore whether these materials can be successfully recycled, we prepared blends of scrap computer plastics (SCP) based on ABS with NBR and waste NBR powder (w-NBR), and investigated their mechanical properties and recyclability. Specifically, we assessed the effect of dynamic vulcanization and replacement of virgin NBR with w-NBR on the properties of 60/40, 70/30, and 80/20 NBR/SCP blends. These blends exhibited thermoplastic elastomeric behavior. The thermoplastic elastomeric blends showed excellent swelling resistance to standard lubricant oil (namely, IRM 903 oil). |
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