Effect of D-lactide content on thermal behavior of polylactide in presence of CO 2 dissolved gas

M. Nofar*, W. Zhu, C. B. Park, J. Randall

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this study, the effect of dissolved CO 2 on the thermal behavior of PLA with various D-contents (with and without talc) has been investigated during the cooling process at atmospheric pressure in a regular differential scanning calorimeter (DSC) and a high-pressure DSC The results show that the crystallinity of PLA samples improves by increasing the CO 2 pressure, reducing the D-content, and adding talc. Also, T g and T m shift to lower temperatures as the pressure increases, due to the plasticization effect of CO 2.

Original languageEnglish
Title of host publication70th Annual Technical Conference of the Society of Plastics Engineers 2012, ANTEC 2012
Pages139-143
Number of pages5
Publication statusPublished - 2012
Externally publishedYes
Event70th Annual Technical Conference of the Society of Plastics Engineers 2012, ANTEC 2012 - Orlando, FL, United States
Duration: 2 Apr 20124 Apr 2012

Publication series

NameAnnual Technical Conference - ANTEC, Conference Proceedings
Volume1

Conference

Conference70th Annual Technical Conference of the Society of Plastics Engineers 2012, ANTEC 2012
Country/TerritoryUnited States
CityOrlando, FL
Period2/04/124/04/12

Keywords

  • D-lactide content
  • High pressure DSC
  • Melt crystallization
  • Polylactide

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