Synthesis of poly(3-hexylthiophene)-block-poly(phenylisocyanide) copolymers and their self-assembly in solution

Abstract

Self-assembly of block copolymers (BCPs) is a widely utilized method to prepare different kinds of nano-objects in solution. Herein, poly(3-hexylthiophene)-block-poly(phenylisocyanide) (P3HT-b-PPI) copolymers were synthesized via nickel-catalyzed living polymerization, and the...

Microfluidic Controlled Self-Assembly of Polylactide (PLA)-Based Linear and Graft Copolymers into Nanoparticles with Diverse Morphologies

“…Sequential polymerization reactions are most commonly used for such syntheses. 5,6 Of particular interest is the extremely challenging combination of two or more "living" polymerization techniques in a single step to copolymerize chemically different monomers that are otherwise noncopolymerizable. 7−9 For example, olefin monomers and cyclic ester monomers, even within each type, are also difficult to copolymerize under identical conditions.…”

“…The synthesis of well-defined BCs with a high degree of molecular, structural, and compositional homogeneity is typically achieved through the use of classic anionic and cationic polymerization methods, as well as the more recent controlled/living radical polymerization techniques. Sequential polymerization reactions are most commonly used for such syntheses. , Of particular interest is the extremely challenging combination of two or more “living” polymerization techniques in a single step to copolymerize chemically different monomers that are otherwise noncopolymerizable. − For example, olefin monomers and cyclic ester monomers, even within each type, are also difficult to copolymerize under identical conditions. One-pot simultaneous protocols utilize dual initiators, i.e., a reversible addition–fragmentation chain transfer (RAFT) agent bearing a hydroxyl function in either the Z- or R-position that is capable of initiating the ring-opening polymerization (ROP) of cyclic esters. , Exploring the one-pot/simultaneous ROP/RAFT polymerization of LA with a vinyl monomer appears to be promising for the synthesis of new amphiphilic biodegradable PLA-based copolymers with different topologies. , However, over the last decades, the synthesis of amphiphilic BCs (AmBCs) with different properties has attracted the interest of many researchers.…”