A green approach towards functional hydrogel particles from synthetic polymers via spherical capsule mini-reactors

In the present study, we firstly reported a green approach to prepare synthetic polymer-based particle adsorbents in aqueous solution. A novel spherical hydrogel capsule (SHC) was prepared through a facile method by partial ionic-crosslinking of carboxylated chitosan (CCS). Then, 2-acrylamido-2-methyl-propanesulfonic acid (AMPS) and acrylic acid (AA) were chosen as monomers to prepare P(AMPS-co-AA) hydrogel particles by using the SHCs as...