![8-Bromo-6-fluoro[1,2,4]triazolo[1,5-a]pyridin-2-amine structure](https://static.chemtradehub.com/structs/125/1257705-51-3-9f4a.webp "8-Bromo-6-fluoro[1,2,4]triazolo[1,5-a]pyridin-2-amine structure")
8-Bromo-6-fluoro[1,2,4]triazolo[1,5-a]pyridin-2-amine
CAS Number:
1257705-51-3
Molecular Formula:
C6H4BrFN4
Performance polymers from renewable monomers: high molecular weight poly(pentadecalactone) for fiber applications
Literature Information
Publication Date
2010-01-20
DOI
10.1039/B9PY00360F
Impact Factor
5.582
Authors
Matthijs de Geus, Inge van der Meulen, Bart Goderis, Kristof van Hecke, Marko Dorschu, Harm van der Werff, Cor E. Koning
View Original
Abstract
Enzymatic ring-opening polymerization was applied to synthesize high molecular weight polypentadecalactone (PPDL). The synthetic procedure was optimized on a small-scale and subsequently transferred to 30 g scale to yield sufficient material for fiber spinning. Molecular weights (Mw) of 143 000 g mol−1 were obtained. Mechanical and thermal properties of the non-oriented, high molecular weight PPDL were determined and are largely in agreement with the literature data. The high molecular weight PPDL was melt-processed into fibers, which were further elongated to about 9–10 times their original length. Analysis of the fibers revealed differences in crystal orientation as a function of the processing conditions. Preliminary fiber tensile measurements confirm a high strength of up to 0.74 GPa for the fiber with the highest crystal orientation.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
Recommended Compounds
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Benzeneacetic acid, 2-bromo-α-[[(1,1-dimethylethoxy)carbonyl]amino]-, (αS)-
CAS Number:
1228547-87-2
Molecular Formula:
C13H16BrNO4
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