Abstract

Monodisperse, submicron-sized, reactive polystyrene (PST) microspheres having active ester groups on their surfaces were prepared by emulsifier-free emulsion co-polymerizations of ST with water-soluble, active ester monomers (AEMs) which were newly synthesized. The resulting microspheres showed characteristics of a high density of active ester groups on their surfaces and a high reactivity towards primary amines. Some applications using the highly reactive microspheres were attempted in the preparation of supraparticles and in the surface modification of solids.

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