Acoustic study of a linear low-density polyethylene film after modification of the crystalline structure by heating

Hironori Tohmyoh, Yuhei Sakamoto

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

We report on a hybrid microscopy technique that enables us to measure the acoustic properties of a thin polymer film together with an optical microscope image of the corresponding area. Linear low-density polyethylene films are heated to various temperatures and examined by the technique. Density of the film is increased by heating and its sound velocity is decreased compared with a film without heating. Also, spherulites can clearly be seen in the optical microscope image, supporting the thermal shrinkage of the film which can be detected by the present technique.

Original languageEnglish
Article number024902
JournalReview of Scientific Instruments
Volume85
Issue number2
DOIs
Publication statusPublished - 2014 Feb

ASJC Scopus subject areas

  • Instrumentation

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