Regulation of swelling behaviour while preserving bulk modulus in hydrogels <i>via</i> surface grafting.

Nishimoto, Taihei; Akimoto, Aya M; Enomoto, Takafumi; Lin, Chia-Hsuan; Luo, Shy-Chyang; Yoshida, Ryo · Soft Matter · 2025

basic_science · Level V

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Abstract

This study presents a novel approach to control "linked property changes" in hydrogels. Specifically, we controlled the swelling behaviour without altering the bulk elastic modulus by grafting polymers selectively into the surface region of the gels, while varying the graft amount.