Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 49: Issue 1
Study on the oxidative induction test applied to medical polymers
Authors:
L. Woo Baxter Healthcare, 60048 Round Lake, IL USA

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S. Ding Baxter Healthcare, 60048 Round Lake, IL USA

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M. Ling Baxter Healthcare, 60048 Round Lake, IL USA

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S. Westphal Baxter Healthcare, 60048 Round Lake, IL USA

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Pages:
131–138
Online Publication Date:
03 Aug 2005
Publication Date:
01 Jul 1997
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf01987430
Keywords:
durability; medical PVC; OIT; oxidative stability
Restricted access

Abstract  

This article continues our study published earlier on the application of the oxidative induction test to a wide variety of medical polymers. In a series of thermoplastic olefin elastomers (TPO), the extrapolated induction time on the Arrhenius plot was found to coincide with published results based on oven aging mechanical studies extending to much lower temperatures and times as long as nearly a year. This agreement indicates the potential of the OIT for long term durability prediction. For medical flexible PVC compounds, the traditional measure of extent of degradation by color formation was found to correlate to measured oxidative induction times. Furthermore, three distinct regimes were also detected, where in the first phase, little color changes can be detected. In a longer time, lower temperature study, effect of room temperature fluctuations was clearly detected, emphasizing the need for good environmental control for sensitive detections. These and other recent results will be presented to illustrate the utility of this versatile test.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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