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Poly(2-amino-2-oxazoline)s : a new class of thermoresponsive polymers

Ondrej Sedlacek (UGent) , Debaditya Bera (UGent) and Richard Hoogenboom (UGent)
(2019) POLYMER CHEMISTRY. 10(34). p.4683-4689
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Abstract
In this report, we describe the synthesis and properties of poly(2-dialkylamino-2-oxazoline)s (PAmOx), a new class of thermoresponsive polymers. These polymers were synthesized by acylation of linear polyethyleneimine, as the conventional cationic ring-opening polymerization of the respective monomers led to extensive chain transfer reactions. The hydrophilicity of obtained poly(2-dialkylamino-2-oxazoline)s was highly dependent on the side-chain substituents, ranging from very hydrophilic poly(2-dimethylamino-2-oxazoline) to the hydrophobic poly(2-diisopropylamino-2-oxazoline). Notably, the poly(2-diethylamino-2-oxazoline) (PDEAOx) shows fast-response LCST behavior around room temperature (24 degrees C), as well as low T-g (-10 degrees C), which can be beneficial in the construction of new stimuli-responsive biomaterials. Overall, PAmOx represent a novel polymer platform for a wide range of possible applications.
Keywords
DOUBLE ISOMERIZATION POLYMERIZATION, RING-OPENING POLYMERIZATION, IN-VITRO, POLY(2-OXAZOLINE)S, POLY(2-ETHYL-2-OXAZOLINE), 2-METHYL-2-OXAZOLINE, 2-AMINO-2-OXAZOLINES, ALTERNATIVES, HYDROLYSIS, CHEMISTRY

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MLA
Sedlacek, Ondrej, et al. “Poly(2-Amino-2-Oxazoline)S : A New Class of Thermoresponsive Polymers.” POLYMER CHEMISTRY, vol. 10, no. 34, 2019, pp. 4683–89.
APA
Sedlacek, O., Bera, D., & Hoogenboom, R. (2019). Poly(2-amino-2-oxazoline)s : a new class of thermoresponsive polymers. POLYMER CHEMISTRY, 10(34), 4683–4689.
Chicago author-date
Sedlacek, Ondrej, Debaditya Bera, and Richard Hoogenboom. 2019. “Poly(2-Amino-2-Oxazoline)S : A New Class of Thermoresponsive Polymers.” POLYMER CHEMISTRY 10 (34): 4683–89.
Chicago author-date (all authors)
Sedlacek, Ondrej, Debaditya Bera, and Richard Hoogenboom. 2019. “Poly(2-Amino-2-Oxazoline)S : A New Class of Thermoresponsive Polymers.” POLYMER CHEMISTRY 10 (34): 4683–4689.
Vancouver
1.
Sedlacek O, Bera D, Hoogenboom R. Poly(2-amino-2-oxazoline)s : a new class of thermoresponsive polymers. POLYMER CHEMISTRY. 2019;10(34):4683–9.
IEEE
[1]
O. Sedlacek, D. Bera, and R. Hoogenboom, “Poly(2-amino-2-oxazoline)s : a new class of thermoresponsive polymers,” POLYMER CHEMISTRY, vol. 10, no. 34, pp. 4683–4689, 2019.
@article{8638855,
  abstract     = {In this report, we describe the synthesis and properties of poly(2-dialkylamino-2-oxazoline)s (PAmOx), a new class of thermoresponsive polymers. These polymers were synthesized by acylation of linear polyethyleneimine, as the conventional cationic ring-opening polymerization of the respective monomers led to extensive chain transfer reactions. The hydrophilicity of obtained poly(2-dialkylamino-2-oxazoline)s was highly dependent on the side-chain substituents, ranging from very hydrophilic poly(2-dimethylamino-2-oxazoline) to the hydrophobic poly(2-diisopropylamino-2-oxazoline). Notably, the poly(2-diethylamino-2-oxazoline) (PDEAOx) shows fast-response LCST behavior around room temperature (24 degrees C), as well as low T-g (-10 degrees C), which can be beneficial in the construction of new stimuli-responsive biomaterials. Overall, PAmOx represent a novel polymer platform for a wide range of possible applications.},
  author       = {Sedlacek, Ondrej and Bera, Debaditya and Hoogenboom, Richard},
  issn         = {1759-9954},
  journal      = {POLYMER CHEMISTRY},
  keywords     = {DOUBLE ISOMERIZATION POLYMERIZATION,RING-OPENING POLYMERIZATION,IN-VITRO,POLY(2-OXAZOLINE)S,POLY(2-ETHYL-2-OXAZOLINE),2-METHYL-2-OXAZOLINE,2-AMINO-2-OXAZOLINES,ALTERNATIVES,HYDROLYSIS,CHEMISTRY},
  language     = {eng},
  number       = {34},
  pages        = {4683--4689},
  title        = {Poly(2-amino-2-oxazoline)s : a new class of thermoresponsive polymers},
  url          = {http://dx.doi.org/10.1039/c9py00943d},
  volume       = {10},
  year         = {2019},
}

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