Journal article
Synthesis and water sorption of standard and end-capped polylactides: the effect of morphology
Polymer chemistry, v 3(3), pp 718-726
01 Jan 2012
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
This paper investigates the relationship between morphology and water sorption in polylactide (PLA) films. Standard PLAs and palmityl initiated end-capped PLAs were synthesized with various terminating end groups such as hydroxyl, acetoxy, and palmitoyl end groups. Results from wide angle X-ray scattering and atomic force microscopy were correlated with different sorption phenomena, suggesting that crystallization and microphase separation between amorphous PLA and hydrophobic end-group-rich domains reduced water sorption in PLA. The morphological changes were affected by end-group composition, molecular weight and stereoisomerism.
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Details
- Title
- Synthesis and water sorption of standard and end-capped polylactides: the effect of morphology
- Creators
- Donghun Koo - Drexel UniversityAn Du - Drexel UniversityGiuseppe R. Palmese - Drexel UniversityRichard A. Cairncross - Drexel University
- Publication Details
- Polymer chemistry, v 3(3), pp 718-726
- Publisher
- Royal Soc Chemistry
- Number of pages
- 9
- Grant note
- DE-PS36-06GO96002P / USDA Biomass Research and Development Initiative
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Chemical and Biological Engineering
- Web of Science ID
- WOS:000300049900022
- Scopus ID
- 2-s2.0-84857253868
- Other Identifier
- 991019168450404721
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- Web of Science research areas
- Polymer Science