What is it about?
Absorption measurements carried out at a frequency of 300 MHz and in the temperature range from 173 to 300 K show no shift of the α-relaxation due to the introduction of crosslinks when compared with PDMS gum.
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Why is it important?
Because the new experimental data give some evidence about the dependance of activation energy of thecrosslink density of the network.
Perspectives
I hope this article gives some new ideas about the behavior of polymer networks at very high ultrasonic frewuencies.
Professor Kostas G. Delidis
Technological Educational Institute of Thessaloniki
Read the Original
This page is a summary of: High frequency ultrasonic studies of poly(dimethylsiloxane) networks, Journal of the Chemical Society Faraday Transactions 2 Molecular and Chemical Physics, January 1979, Royal Society of Chemistry,
DOI: 10.1039/f29797500359.
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