Amylopectin Copolymers Grafted with RAFT-Obtained Synthetic Polymers: Synthesis and Aqueous Solution Behavior
Melinda-Maria Bazarghideanu, Marius-Mihai Zaharia, Ana-Maria Macsim, Marcela Mihai, Stergios Pispas
TL;DR
This paper describes the synthesis of hybrid copolymers using amylopectin and synthetic polymers, which respond to stimuli like temperature and pH.
Contribution
The study introduces a novel method for creating graft copolymers with amylopectin and stimuli-responsive synthetic polymers.
Findings
Novel graft copolymers AMP-g-PNIPAM, AMP-g-PDMAEMA, and AMP-g-POEGMA were successfully synthesized.
The copolymers showed responsiveness to pH, temperature, and ionic strength in aqueous solutions.
Self-assembly behavior was observed based on protonation and deprotonation equilibria.
Abstract
According to the requirements of modern society for durable biomaterials with multiple functionalities, the principal target of this study was to apply the “grafting to” scheme on the synthesis of several hybrid copolymers based on amylopectin (AMP) and poly(N-isopropylacrylamide) (PNIPAM), poly(oligo(ethylene glycol) methyl ether methacrylate) (POEGMA), and poly(2-(dimethylamino) ethyl methacrylate) (PDMAEMA) as synthetic polymer components, thus obtaining hybrid copolymers responsive to different stimuli, such as temperature, pH, and ionic strength. The synthetic polymers were synthesized by reversible addition–fragmentation chain transfer polymerization and contain reactive carboxyl groups attached to one end of the polymeric chains. The successful synthesis of novel graft copolymers AMP-g-PNIPAM, AMP-g-PDMAEMA, and AMP-g-POEGMA was confirmed by ATR-FTIR and 1H NMR…
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Taxonomy
TopicsHydrogels: synthesis, properties, applications · Advanced Polymer Synthesis and Characterization · Antimicrobial agents and applications