منابع مشابه
Micellization of block copolymers
This article deals with recent progress including the author’s work in the field of block copolymer self-assembly in solution and on solid surfaces. The synthesis methods for producing block copolymers with well-defined structures, molecular weights and composition are outlined with emphasis on ionic and controlled free radical polymerization techniques. A general overview of the preparation, c...
متن کاملMicellization of Photo-Responsive Block Copolymers
This review focuses on block copolymers featuring different photo-responsive building blocks and self-assembly of such materials in different selective solvents. We have subdivided the specific examples we selected: (1) according to the wavelength at which the irradiation has to be carried out to achieve photo-response; and (2) according to whether irradiation with light of a suitable wavelengt...
متن کاملRedox-controlled micellization of organometallic block copolymers.
Polystyrene-block-polyferrocenylsilane (PS-b-PFS) diblock copolymers were stoichiometrically oxidized in solution using salts of the one-electron oxidant tris(4-bromophenyl)ammoniumyl. Due to a redox-induced polarity change for the PFS block, self-assembly into well-defined spherical micelles occurs. The micelles are composed of a core of partially oxidized PFS segments and a corona of PS. When...
متن کاملSynergistic Effects in Mixed Micellization between Natural and Synthetic Block Copolymers
For applications of block copolymer mixtures as potential new nano-vehicles for delivery, understanding the components mixing characteristics are of special interest. In our previous study [1], we showed that interactions between a biological charged diblock-copolymer like protein, betacasein, and a synthetic uncharged synthetic triblock copolymer, Lutrol F-127, lead to the formation of mixed m...
متن کاملSupramolecular Conjugated Block Copolymers
While the performance of polymer−polymer bulk heterojunction organic photovoltaics (OPVs) is poor compared with polymer−fullerene OPVs, reducing or eliminating micrometer-scale phase separation in all-polymer OPVs may dramatically improve performance. Herein, we demonstrate that 2-ureido-4[1H]-pyrimidinone (UPy) quadruple hydrogen bonding interactions can be used to prevent micrometer-scale pha...
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ژورنال
عنوان ژورنال: Progress in Polymer Science
سال: 2003
ISSN: 0079-6700
DOI: 10.1016/s0079-6700(03)00015-7