Comparison between x-ray diffraction and quantitative surface calorimetry based on infrared thermography to evaluate strain-induced crystallinity in natural rubber

The crystallinity of stretched crystallizable rubbers is classically evaluated using x-ray diffraction (XRD). As crystallization is a strongly exothermal phenomenon, quantitative surface calorimetry from infrared thermography offers an interesting alternative to XRD for determining the crystallinity...

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Bibliographic Details
Published in:Review of scientific instruments 2020-04, Vol.91 (4), p.044902-044902
Main Authors: Le Cam, J.-B., Albouy, P.-A., Charlès, S.
Format: Article
Language:English
Subjects:
Crystal structure
Crystallinity
Crystallization
Evaluation
Heat measurement
Infrared imaging
Infrared radiation
Measurement techniques
Natural rubber
Physics
Scientific apparatus & instruments
Thermography
X-ray diffraction
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Summary:The crystallinity of stretched crystallizable rubbers is classically evaluated using x-ray diffraction (XRD). As crystallization is a strongly exothermal phenomenon, quantitative surface calorimetry from infrared thermography offers an interesting alternative to XRD for determining the crystallinity. In this paper, the two measurement techniques have been used for evaluating the strain-induced crystallinity of the same unfilled natural rubber. This study provides the first comparison between the two techniques. The results obtained highlight the very satisfactory agreement between the two measurements, which opens a simple way for evaluating the strain-induced crystallinity from temperature measurements.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.5141851