Regulation of swelling behaviour while preserving bulk modulus in hydrogels via surface grafting

Taihei Nishimoto; Aya M Akimoto; Takafumi Enomoto; Chia-Hsuan Lin; Shy-Chyang Luo; Ryo Yoshida

doi:10.1039/d4sm01313a

Regulation of swelling behaviour while preserving bulk modulus in hydrogels via surface grafting

Soft Matter. 2025 Jan 3. doi: 10.1039/d4sm01313a. Online ahead of print.

Authors

Taihei Nishimoto¹, Aya M Akimoto¹, Takafumi Enomoto¹, Chia-Hsuan Lin², Shy-Chyang Luo², Ryo Yoshida¹

Affiliations

¹ Department of Materials Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan. [email protected].
² Department of Material Science and Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan.

PMID: 39751925
DOI: 10.1039/d4sm01313a

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.