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Journal of Polymer Research
Erschienen in: Journal of Polymer Research 12/2017

01.11.2017 | ORIGINAL PAPER

Synthesis and photo-controllable thermosensitivity of poly(N-isopropylacrylamide) terminated with dimethylaminochalcone unit

verfasst von: Qiujing Dong, Chunhua Luo, Honglai Hu, Qingqing Zhang, Suhua Fan

Erschienen in: Journal of Polymer Research | Ausgabe 12/2017

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Abstract

Poly(N-isopropylacrylamide) terminated with dimethylaminochalcone unit (DMAC-terminated PNIPAM) were prepared by reversible addition-fragmentation chain transfer polymerization using dimethylaminochalcone-functionalized trithiocarbonate (TTC-DMAC) as chain transfer agent. Photodimerization of DMAC-terminated PNIPAM was confirmed by UV-Vis, fluorescence and GPC measurements. The lower critical solution temperature (LCST) of DMAC-terminated PNIPAM first increases and then decreases with increasing molecular weight. When subjected to 365 nm UV irradiation, a large increase of the LCST of DMAC-terminated PNIPAM has been observed especially in the polymer with low molecular weight. Furthermore, the LCST increases with increasing time of 365 nm UV irradiation, which shows photo-controllable thermosensitivity of DMAC-terminated PNIPAM.
Vorheriger Artikel Encapsulation of multi-walled carbon nanotubes with copolymer to disperse in aqueous media
Nächster Artikel Chitosan-g-poly(4-acrylamidobenzenesulfonamide) copolymers: synthesis, characterization, and bioactivity

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Metadaten
Titel
Synthesis and photo-controllable thermosensitivity of poly(N-isopropylacrylamide) terminated with dimethylaminochalcone unit
verfasst von
Qiujing Dong
Chunhua Luo
Honglai Hu
Qingqing Zhang
Suhua Fan
Publikationsdatum
01.11.2017
Verlag
Springer Netherlands
Erschienen in
Journal of Polymer Research / Ausgabe 12/2017
Print ISSN: 1022-9760
Elektronische ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-017-1399-9

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