What is it about?
The maleic anhydride (MA) -grafted polyolefin (PO), MA-g-PO, is an important material in polypropylene (PP) compounds for automotive applications. The graft ratio of MA-g-PO requires determining to design the PP compound. However, the determination of the graft ratios, which are below 0.1 wt%, is difficult by conventional methods. We have developed a novel method of determining a wide range of graft ratios in MA-g-PO.
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Why is it important?
The combination of the chemical reaction with the quantification by NMR enabled the determination of a graft ratio below 0.1 wt% in MA-g-PO. This combination is a simpler and more accurate mathod than the conventional methods.
Perspectives
This article is useful as a technical report for the analysis service with which we provide our users. I hope our users expand to researchers in the development of nanocomposites.
Koji Miyauchi
Ube Kosan Kabushiki Kaisha
Read the Original
This page is a summary of: High-sensitivity determination of graft ratio of maleic anhydride-grafted polyolefin by anhydride methylation in supercritical methanol followed by 1H NMR spectroscopy, Polymer, July 2011, Elsevier,
DOI: 10.1016/j.polymer.2011.05.050.
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