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It is well known that amphiphilic block copolymers in selective solvents self-assemble into micellar structures, where solvophilic blocks tend to contact with solvents while solvophobic blocks are shielded from the solvents. Different from the conventional micellization in liquid systems, we report that the block copolymer, polystyrene-b-(4-vinylpyridine) (PS-b-P4VP), can self-assemble in melted deoxycholic...
The birefringences, optical losses, refractive indices and their temperature dependency over a range of 30–90 °C for the films of carboxyl-containing polyaryletherketones with systematically varied alkyl substituents were investigated in detail. The results showed that the optical losses at 1310 nm were mainly affected by the content of CH bond, whereas that at 1550 nm were more related to the presence...
Continuous polymer nanofiber yarns were manufactured by self-bundling electrospinning method. Compared with typical electrospinning setup, the special difference in this method was that a grounded needle tip was used to induce the self-bundling of polymer nanofibers at the beginning of electrospinning process. Four kinds of polymer self-bundling yarns, poly(3-hydroxybutyrate-co-3-hydroxyvalerate)...
Three novel copoly(aryl ether)s, consisting of alternate isolated hole-transporting (2,5-dihexyloxy-1,4-distyrylbenzene) and electron-transporting (p-quaterphenyl or aromatic 1,3,4-oxadiazole) segments, were synthesized from corresponding bis(phenol) and bis(fluoride) monomers by nucleophilic displacement reaction. These copolymers are soluble in common organic solvents and exhibit good thermal stability...
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