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http://hdl.handle.net/1942/35499
Title: | Mechanically versatile isosorbide-based thermoplastic copolyether-esters with a poly(ethylene glycol) soft segment | Authors: | MONNERY, Bryn KARANASTASIS, Apostolos ADRIAENSENS, Peter PITET, Louis |
Issue Date: | 2021 | Publisher: | WILEY | Source: | Journal of Polymer Science, 59(22), p. 2809-2818 | Abstract: | Segmented thermoplastic copolyether esters (TPEE's) with a partially renewable hard block containing isosorbide (ISB) and poly(ethylene glycol) (PEG) soft blocks were prepared by melt polycondensation. A range of compositions was accessible despite the relatively low reactivity of the sterically and electronically hindered ISB monomer. The small-scale reactions performed in the melt were limited in terms of achievable molar mass. This is attributed to the challenge of attaining stoichiometric balance in the feed and maintaining this balance throughout the high temperature (>200 degrees C) reactions. Nevertheless, products were isolated that could be manipulated and melt-pressed into specimen for tensile testing. Varying the feed compositions gave rise to copolymers exhibiting a broad range of mechanical properties (elastic modulus from 1-66 MPa). These characteristics are consistent with a segmented polymer architecture with morphological features similar to commercially available TPEE counterparts. These results pave the way for more responsibly sourced building blocks being incorporated into materials with high market value potential. | Keywords: | engineering plastics;isosorbide;polycondensation;segmented multiblock copolymers;thermoplastic copolyesters | Document URI: | http://hdl.handle.net/1942/35499 | ISSN: | 2642-4150 | e-ISSN: | 2642-4169 | DOI: | 10.1002/pol.20210548 | ISI #: | WOS:000697912100001 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2022 |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
ISB-PEG Copolymers vFinal Clean.pdf | Peer-reviewed author version | 1.65 MB | Adobe PDF | View/Open |
Journal of Polymer Science - 2021 - Monnery - Mechanically versatile isosorbide‐based thermoplastic copolyether‐esters with.pdf Restricted Access | Published version | 2.48 MB | Adobe PDF | View/Open Request a copy |
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