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- Title
Synthesis and application of functionalised acrylonitrile-butadiene rubber for enhancing recyclability of poly(vinylchloride) (PVC) and poly(methylmethacrylate) (PMMA) in recycled blends.
- Authors
Suresh, Sunil S.; Mohanty, Smita; Nayak, Sanjay K.
- Abstract
The current investigation deals with the synthesis and application of functionalised acrylonitrile-butadiene rubber (NBR-g-MAH) as an impact modifier and compatibilising agent in the recycled blend of poly(vinyl chloride) and poly(methylmethacrylate). The performance of NBR as an impact modifier was improved by grafting with maleic anhydride. The varied concentration of NBR-g-MAH/NBR mixture has differed effects on the mechanical, thermal and morphological properties of the recycled blend. The recycled blend with 9 wt% of NBR-g-MAH/NBR mixture shows optimum impact strength and elongation-at-break. Moreover, Fourier-transform infrared spectroscopy analysis confirms interactions with polar functionalities in the recycled blends. Differential scanning calorimetry and scanning electron microscope analyses suggest partial miscibility as well as compatibility of the polymeric constituents in the blend. Additionally, thermal gravimetric analysis shows higher thermal stability for the modified recycled blend as compared to its parent blend.
- Subjects
ACRYLONITRILE; POLYBUTADIENE; POLYVINYL chloride; WASTE recycling; THERMAL stability
- Publication
Clean Technologies & Environmental Policy, 2018, Vol 20, Issue 5, p969
- ISSN
1618-954X
- Publication type
Article
- DOI
10.1007/s10098-018-1514-6