Physical aging behavior of a series of biodegradable polymers as a function of the pendent-chain length

Samuel Bron, James Fiordeliso, Joachim Kohn

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

The physical aging behavior of a series of tyrosine-containing polyarylates was investigated as a function of the length of the alkyl pendent chain. The experiments were performed in a differential scanning calorimeter (DSC) at corresponding aging temperatures. It was found that the physical aging efficiency was strongly affected by small changes in the length of the pendent chain (2, 6, or 8 methylene units). For similar cooling rates from above Tg to below Tg and identical aging times, the enthalpy relaxation decreased with the length of the pendent chain. A free volume based explanation is suggested.

Original languageEnglish (US)
Title of host publication1993 IEEE 19th Annual Northeasrt Bioengineering Conference
PublisherPubl by IEEE
Pages145-147
Number of pages3
ISBN (Print)0780309251
StatePublished - 1993
EventProceedings of the 1993 IEEE 19th Annual Northeast Bioengineering Conference - Newark, NJ, USA
Duration: Mar 18 1993Mar 19 1993

Publication series

NameBioengineering, Proceedings of the Northeast Conference

Other

OtherProceedings of the 1993 IEEE 19th Annual Northeast Bioengineering Conference
CityNewark, NJ, USA
Period3/18/933/19/93

All Science Journal Classification (ASJC) codes

  • Bioengineering

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