Quantitative analysis of isoprene units in natural rubber and synthetic polyisoprene using 1H-NMR spectroscopy with an internal standard

• Main Authors: Surakit Tuampoemsab, Adun Nimpaiboon, Jitladda T. Sakdapipanich
• Other Authors: King Mongkut's University of Technology North Bangkok
• Format: Article
• Published: 2018
• Subjects: Chemistry; Materials Science
• Online Access: https://repository.li.mahidol.ac.th/handle/123456789/35778
• Institution: Mahidol University

© 2015 Elsevier Ltd. All rights reserved. Isoprene units in natural rubber (NR) and its synthetic analogues were quantified by1H-NMR spectroscopy using polyethylene glycol (PEG) as an internal standard. The effect of PEG and rubber concentrations, molar ratio of rubber/PEG, measuring temperature and...