super-tough polyacrylamide/iota-carrageenan double-network hydrogels strengthened by bacterial cellulose microclusters

Jiachuan Hua, Bin Fei

    Research output: Journal article publicationConference articleAcademic researchpeer-review

    3 Citations (Scopus)

    Abstract

    Super-tough polyacrylamide/iota-carrageenan double-network hydrogel was strengthened by micro-scaled bacterial cellulose nanofibrous particle. The intermolecular hydrogen bonds and topological interlock effectively improved the strength. Such hydrogels were able to stretch over 27 times of initial length, or undertook over 200 kPa of tensile stress, and the toughness reached a high value of ~2000 kJ/m3. By drying and reswelling method, we further enhanced the strength through hydrogen bonds. By extension-drying and post-annealing method, we prepared a strong PAM/IC/BC-1 hydrogel strand with shape memory.

    Original languageEnglish
    Pages (from-to)1497-1501
    Number of pages5
    JournalMaterials Today: Proceedings
    Volume16
    DOIs
    Publication statusPublished - 2019
    Event2nd Shape Memory Applications, Research and Technology, SMART 2018 - Hong Kong, Hong Kong
    Duration: 5 Dec 20189 Dec 2018

    Keywords

    • Bacterial cellulose
    • Hydrogel fiber
    • Shape memory
    • Toughness

    ASJC Scopus subject areas

    • Materials Science(all)

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