Effect of Temperature-responsive Solution Behavior of PNIPAM-b-PPEOMA-b-PNIPAM on Its Inclusion Complexation with α-Cyclodextrin
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Effect of Temperature-responsive Solution Behavior of PNIPAM-b-PPEOMA-b-PNIPAM on Its Inclusion Complexation with α-Cyclodextrin
Chinese Journal of Polymer ScienceVol. 33, Issue 3, Pages: 456-464(2015)
Affiliations:
a.The Key Lab for Fine Processing of Resources and Advanced Materials of Hunan Province, Hunan Normal University, Changsha 410081, China
b.National & Local Joint Engineering Lab. for New Petro-chemical Materials and Fine Utilization of Resources, Hunan Normal University, Changsha 410081, China
Jun-jie Xiao, Xiu-bing Li, Xi Wang, et al. Effect of Temperature-responsive Solution Behavior of PNIPAM-b-PPEOMA-b-PNIPAM on Its Inclusion Complexation with α-Cyclodextrin[J]. Chinese Journal of Polymer Science, 2015, 33(3): 456-464. DOI: 10.1007/s10118-015-1598-y.
DOI:
Jun-jie Xiao, Xiu-bing Li, Xi Wang, et al. Effect of Temperature-responsive Solution Behavior of PNIPAM-b-PPEOMA-b-PNIPAM on Its Inclusion Complexation with α-Cyclodextrin[J]. Chinese Journal of Polymer Science, 2015, 33(3): 456-464. DOI: 10.1007/s10118-015-1598-y.DOI:
Effect of Temperature-responsive Solution Behavior of PNIPAM-b-PPEOMA-b-PNIPAM on Its Inclusion Complexation with α-Cyclodextrin
The effect of temperature-responsive solution behavior of PNIPAM-
b
-PPEOMA-
b
-PNIPAM on its inclusion complexation with
α
-cyclodextrin was studied. The triblock polymer was prepared by reversible addition-fragmentation chain transfer (RAFT) polymerization and formed inclusion complexes (ICs) after selective threading of the PEO segment of the triblock polymer through the cavities of
α
-CD units. For comparison
PPEOMA homopolymer was prepared and the inclusion complexation with
α
-CD was also studied. The ICs were prepared with
α
-CD when the polymer was in different conformations by changing the temperature
and the formed ICs were characterized by XRD
1
H-NMR
TGA and DSC. The solutions of the ICs show temperature-responsive clear/turbid transition or fluidic emulsion/gel transition depending on the concentration of the
α
-CD added
and the stoichiometry determined by
1
H-NMR and TGA indicates that the stoichiometry of EO to
α
-CD of the resulted ICs increases with increasing of temperature.
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