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Segmented polymer network containing amino-dendrimers

Leen Tanghe, Eric Goethals (UGent) and Filip Du Prez (UGent)
(2003) POLYMER INTERNATIONAL. 52(2). p.191-197
Author
Organization
Abstract
Polymer networks in which poly(propylene imine) dendrimers (Astramol(TM)) are connected to each other by linear polytetrahydrofuran (polyTHF) segments, were prepared by two methods. The first method was a one-step procedure in which bifunctionally living polyTHF, obtained by initiation of the THF polymerization with trifluoromethane sulfonic anhydride (triflic anhydride), was reacted with an amino-dendrimer. This reaction was very fast but did not allow formation of the end products. The second method was a two-step procedure. In a first step, living polyTHF, prepared with acryloyloxybutyl triflate as initiator, was grafted on an amino-dendrimer, to form a star-like, acrylate-terminated polyTHF multi-macromonomer with the dendrimer as core. In a second step, networks were obtained by Michael addition between the acrylate end-groups and unreacted amino-groups of the dendrimer. This cross-linking reaction occurred spontaneously upon heating of the solution of the multi-macromonomer with gelation times varying from a few minutes to a few hours, depending on the temperature and the composition of the prepolymers. With this method it was possible to prepare networks in the form of coatings or films. (C) 2003 Society of Chemical Industry.
Keywords
multi-macromonomers, poly(propylene imine) dendrimers, polytetrahydrofuran, segmented polymer networks, self-cross-linkable polymers, polymer networks

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MLA
Tanghe, Leen, et al. “Segmented Polymer Network Containing Amino-Dendrimers.” POLYMER INTERNATIONAL, vol. 52, no. 2, John Wiley & Sons LTD, 2003, pp. 191–97, doi:10.1002/pi.1178.
APA
Tanghe, L., Goethals, E., & Du Prez, F. (2003). Segmented polymer network containing amino-dendrimers. POLYMER INTERNATIONAL, 52(2), 191–197. https://doi.org/10.1002/pi.1178
Chicago author-date
Tanghe, Leen, Eric Goethals, and Filip Du Prez. 2003. “Segmented Polymer Network Containing Amino-Dendrimers.” POLYMER INTERNATIONAL 52 (2): 191–97. https://doi.org/10.1002/pi.1178.
Chicago author-date (all authors)
Tanghe, Leen, Eric Goethals, and Filip Du Prez. 2003. “Segmented Polymer Network Containing Amino-Dendrimers.” POLYMER INTERNATIONAL 52 (2): 191–197. doi:10.1002/pi.1178.
Vancouver
1.
Tanghe L, Goethals E, Du Prez F. Segmented polymer network containing amino-dendrimers. POLYMER INTERNATIONAL. 2003;52(2):191–7.
IEEE
[1]
L. Tanghe, E. Goethals, and F. Du Prez, “Segmented polymer network containing amino-dendrimers,” POLYMER INTERNATIONAL, vol. 52, no. 2, pp. 191–197, 2003.
@article{285643,
  abstract     = {{Polymer networks in which poly(propylene imine) dendrimers (Astramol(TM)) are connected to each other by linear polytetrahydrofuran (polyTHF) segments, were prepared by two methods. The first method was a one-step procedure in which bifunctionally living polyTHF, obtained by initiation of the THF polymerization with trifluoromethane sulfonic anhydride (triflic anhydride), was reacted with an amino-dendrimer. This reaction was very fast but did not allow formation of the end products. The second method was a two-step procedure. In a first step, living polyTHF, prepared with acryloyloxybutyl triflate as initiator, was grafted on an amino-dendrimer, to form a star-like, acrylate-terminated polyTHF multi-macromonomer with the dendrimer as core. In a second step, networks were obtained by Michael addition between the acrylate end-groups and unreacted amino-groups of the dendrimer. This cross-linking reaction occurred spontaneously upon heating of the solution of the multi-macromonomer with gelation times varying from a few minutes to a few hours, depending on the temperature and the composition of the prepolymers. With this method it was possible to prepare networks in the form of coatings or films. (C) 2003 Society of Chemical Industry.}},
  author       = {{Tanghe, Leen and Goethals, Eric and Du Prez, Filip}},
  issn         = {{0959-8103}},
  journal      = {{POLYMER INTERNATIONAL}},
  keywords     = {{multi-macromonomers,poly(propylene imine) dendrimers,polytetrahydrofuran,segmented polymer networks,self-cross-linkable polymers,polymer networks}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{191--197}},
  publisher    = {{John Wiley & Sons LTD}},
  title        = {{Segmented polymer network containing amino-dendrimers}},
  url          = {{http://doi.org/10.1002/pi.1178}},
  volume       = {{52}},
  year         = {{2003}},
}
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