Synthesis and solution properties of a temperature-responsive PNIPAM–b-PDMS–b-PNIPAM triblock copolymer
作者： Michael T. Cook , Sergey K. Filippov , Vitaliy V. Khutoryanskiy
DOI: 10.1007/S00396-017-4084-Y
关键词:
摘要: In this paper, we report the synthesis and self-assembly of a novel thermoresponsive PNIPAM60–b-PDMS70–b-PNIPAM60 triblock copolymer in aqueous solution. The used commercially available precursor modified with an atom transfer radical polymerization (ATRP) initiator to produce ABA via ATRP. Small-angle neutron scattering (SANS) was shed light on structures nanoparticles formed solutions at two temperatures, 25 40 °C. poly(dimethylsiloxane) block is very hydrophobic poly(N-isopropylacrylamide) (PNIPAM) thermoresponsive. SANS data °C indicates that PNIPAM–b-PDMS–b-PNIPAM copolymers form well-defined aggregates presumably core–shell below cloud point temperature. curves originating from 100% D2O or H2O were successfully fitted Beaucage model describing hierarchical structure.
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Kell Mortensen, Yeshayahu Talmon, Cryo-TEM and SANS Microstructural Study of Pluronic Polymer Solutions Macromolecules. ,vol. 28, pp. 8829- 8834 ,(1995) , 10.1021/MA00130A016
Kenichi Izawa, Toshiaki Ogasawara, Hideki Masuda, Hirofumi Okabayashi, Michael Monkenbusch, Charmian O'Connor, Growth process for fractal polymer aggregates formed by perfluorooctyltriethoxysilane. Time-resolved small-angle X-ray scattering spectra and the application of the unified equation Colloid and Polymer Science. ,vol. 280, pp. 725- 735 ,(2002) , 10.1007/S00396-002-0674-3
Martin Hruby, Sergey K. Filippov, Jiri Panek, Michaela Novakova, Hana Mackova, Jan Kucka, David Vetvicka, Karel Ulbrich, Polyoxazoline Thermoresponsive Micelles as Radionuclide Delivery Systems Macromolecular Bioscience. ,vol. 10, pp. 916- 924 ,(2010) , 10.1002/MABI.201000034
E. Hecht, K. Mortensen, H. Hoffmann, L3 Phase in a Binary Block Copolymer/Water System Macromolecules. ,vol. 28, pp. 5465- 5476 ,(1995) , 10.1021/MA00120A010
Anna Miasnikova, André Laschewsky, Gabriele De Paoli, Christine M. Papadakis, Peter Müller-Buschbaum, Sergio S. Funari, Thermoresponsive Hydrogels from Symmetrical Triblock Copolymers Poly(styrene-block-(methoxy diethylene glycol acrylate)-block-styrene) Langmuir. ,vol. 28, pp. 4479- 4490 ,(2012) , 10.1021/LA204665Q
Jianfeng Xu, Ming Qiu, Bomou Ma, Chunju He, "Near perfect" amphiphilic conetwork based on end-group cross-linking of polydimethylsiloxane triblock copolymer via atom transfer radical polymerization. ACS Applied Materials & Interfaces. ,vol. 6, pp. 15283- 15290 ,(2014) , 10.1021/AM5037252
Kell Mortensen, Wyn Brown, Poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) triblock copolymers in aqueous solution. The influence of relative block size Macromolecules. ,vol. 26, pp. 4128- 4135 ,(1993) , 10.1021/MA00068A010
Sergey K. Filippov, Andrey V. Lezov, Olga Yu. Sergeeva, Alexey S. Olifirenko, Stepan B. Lesnichin, Nina S. Domnina, Elena A. Komarova, Mats Almgren, Göran Karlsson, Petr Štepanek, Aggregation of dextran hydrophobically modified by sterically-hindered phenols in aqueous solutions: Aggregates vs. single molecules European Polymer Journal. ,vol. 44, pp. 3361- 3369 ,(2008) , 10.1016/J.EURPOLYMJ.2008.07.041
Boualem Hammouda, Analysis of the Beaucage model Journal of Applied Crystallography. ,vol. 43, pp. 1474- 1478 ,(2010) , 10.1107/S0021889810033856
Aristeidis Papagiannopoulos, Junpeng Zhao, Guangzhao Zhang, Stergios Pispas, Aurel Radulescu, Thermoresponsive aggregation of PS–PNIPAM–PS triblock copolymer: A combined study of light scattering and small angle neutron scattering European Polymer Journal. ,vol. 56, pp. 59- 68 ,(2014) , 10.1016/J.EURPOLYMJ.2014.04.013