4.8 Article

pH- and Thermal-Responsive Multishape Memory Hydrogel

Journal

ACS APPLIED MATERIALS & INTERFACES
Volume 8, Issue 41, Pages 27432-27437

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b09605

Keywords

multishape Memory; multistimuli sensitivity; hydrogel; hydrophobic aggregation; dansyl groups

Funding

  1. National Natural Science Foundation of China [51573187, 51373174]
  2. West Light Foundation of CAS

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A multistimuli-sensitive shape memory hydrogel with dual and triple shape memory properties,was prepared by grafting dansyl groups into the network of polyacrylamide (PAAM). The hydrophobic aggregation of dansyl groups acted as molecular switches, which showed reversible aggregation-disaggregation transition in aqueous solution in response to the pH or temperature change.

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