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  Thermally Induced Crosslinking of Poly(N-Propargyl Glycine)

Secker, C., Brosnan, S. M., Limberg, F. R. P., Braun, U., Trunk, M., Strauch, P., et al. (2015). Thermally Induced Crosslinking of Poly(N-Propargyl Glycine). Macromolecular Chemistry and Physics, 216(21), 2080-2085. doi:10.1002/macp.201500223.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-5434-C Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-BA4F-5
Genre: Journal Article

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2188995.pdf (Publisher version), 617KB
 
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 Creators:
Secker, Christian1, Author              
Brosnan, Sarah M.1, Author              
Limberg, Felix R. P.2, Author
Braun, Ulrike2, Author
Trunk, Matthias2, Author
Strauch, Peter2, Author
Schlaad, Helmut2, Author
Affiliations:
1Helmut Schlaad, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863316              
2external, ou_persistent22              

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Free keywords: Fourier-transform infrared, metal-free crosslinking, polypeptoid, propargyl, solid-state NMR, online first
 Abstract: As polypeptoids become increasingly popular, they present a more soluble and processable alternative to natural and synthetic polypeptides; the breadth of their potential functionality slowly comes into focus. This report analyzes the ability of an alkyne-functionalized polypeptoid, poly(N-propargyl glycine), to crosslink upon heating. The crosslinking process is analyzed by thermal analysis (differential scanning calorimetry and thermogravimetric analysis), Fourier-transform infrared, electron paramagnetic resonance, and solid-state NMR spectroscopy. While a precise mechanism cannot be confidently assigned, it is clear that the reaction proceeds by a radical mechanism that exclusively involves the alkyne functionality, which, upon crosslinking, yields alkene and aromatic products.

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 Dates: 2015-09-022015
 Publication Status: Published in print
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 Identifiers: DOI: 10.1002/macp.201500223
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Title: Macromolecular Chemistry and Physics
  Other : Macromol. Chem. Phys.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley VCH
Pages: - Volume / Issue: 216 (21) Sequence Number: - Start / End Page: 2080 - 2085 Identifier: Other: 1022-1352