Citation: Jun-jie Xiao, Xiu-bing Li, Xi Wang, Chun-wang Yi, Sheng-pei Su. Effect of Temperature-responsive Solution Behavior of PNIPAM-b-PPEOMA-b-PNIPAM on Its Inclusion Complexation with -Cyclodextrin[J]. Chinese Journal of Polymer Science, ;2015, 33(3): 456-464. doi: 10.1007/s10118-015-1598-y shu

Effect of Temperature-responsive Solution Behavior of PNIPAM-b-PPEOMA-b-PNIPAM on Its Inclusion Complexation with -Cyclodextrin

Jun-jie Xiao ^1,2 ,
Xiu-bing Li ^1,2 ,
Xi Wang ^1,2,, ,
Chun-wang Yi ^1,2 ,
Sheng-pei Su ^1,2

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2. National &
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Corresponding author: Xi Wang,
Received Date: 6 June 2014
Revised Date: 15 July 2014

Fund Project: This work was financially supported by the Hunan Normal University for providing start-up.

The effect of temperature-responsive solution behavior of PNIPAM-b-PPEOMA-b-PNIPAM on its inclusion complexation with -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 -CD units. For comparison, PPEOMA homopolymer was prepared and the inclusion complexation with -CD was also studied. The ICs were prepared with -CD when the polymer was in different conformations by changing the temperature, and the formed ICs were characterized by XRD, 1H-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 -CD added, and the stoichiometry determined by 1H-NMR and TGA indicates that the stoichiometry of EO to -CD of the resulted ICs increases with increasing of temperature.
- Temperature-responsibility,
- Comblike triblock polymer,
- Inclusion complexes
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