Characterization of the orientation in synthetic polymer sheets using far-infrared radiation

Molecular orientation and mass distribution have been measured in various synthetic polymers using a characterization technique developed by the authors. This method is based on the transmission of polarized far‐infrared radiation. Fairly thick samples (polyethylene up to one centimeter thick) can b...

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Bibliographic Details
Published in:Polymer engineering and science 1999-12, Vol.39 (12), p.2389-2394
Main Authors: Drouin, Bernard, Gagnon, Richard
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Infrared radiation
Organic polymers
Physicochemistry of polymers
Polyethylene
Properties and characterization
Structure, morphology and analysis
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Summary:Molecular orientation and mass distribution have been measured in various synthetic polymers using a characterization technique developed by the authors. This method is based on the transmission of polarized far‐infrared radiation. Fairly thick samples (polyethylene up to one centimeter thick) can be tested easily with this nondestructive approach. Spatial resolution in the millimeter range is possible. This allows the characterization of various industrial products made of nylon, polyethylene, polypropylene or polyesters, such as liquid containers, injection‐molded parts, thick extruded or drawn sheets and rods, etc. Potential scientific and industrial applications are discussed.
ISSN:0032-3888
1548-2634
DOI:10.1002/pen.11627