Analysis of the degradation of poly(1-butene) pipe through oxidation induction time tests
2005
The oxidation induction time (OIT) test is a powerful technique for evaluating the oxidative stability and/or degradation of polymers. It is especially effective in examining the relative utility of antioxidants on the stability of oxidizable polymers. It is also useful in determining whether or not antioxidants have been leached from the polymer, thus negating their effectiveness. In this study, the OIT test has been used to show the loss in effectiveness of antioxidant from the interior surface of poly(1-butene) pipe used to convey potable water. The loss in antioxidant effectiveness was confirmed by significantly reduced OIT times. Confirmation of oxidation of the polymer was subsequently made by IR analysis. © 2005 Wiley Periodicals, Inc. Adv Polym Techn 24:215–225, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/adv.20045
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