dual physically crosslinked healable polyacrylamide/cellulose

dual physically crosslinked healable polyacrylamide/cellulose
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  • Can cellulose-Fe 3+ /polyacrylamide hydrogel be incorporated into one hydrogel?
  • However, integrating good mechanical properties and excellent strain sensitivity into one hydrogel remains a challenge. In this work, a dual physical cross-linked carboxymethyl cellulose-Fe 3+ /polyacrylamide (CMC-Fe 3+ /PAAm) double network hydrogel was developed by facile two-step method.
  • Are polyacrylamide/xanthan gum DN hydrogels physically cross-linked?
  • Herein, we explored a dual physically cross-linked polyacrylamide/xanthan gum (PAM/XG) DN hydrogel. The nonchemically cross-linked PAM/XG DN hydrogels exhibited fracture stresses as high as 3.64 MPa (13 times higher than the pure PAM single network hydrogel) and compressive stresses at 99% strain of more than 50 MPa.
  • Are double-network hydrogels a promising material?
  • Double-network (DN) hydrogels with high strength and toughness have been developed as promising materials. Herein, we explored a dual physically cross-linked polyacrylamide/xanthan gum (PAM/XG) DN hydrogel.
  • What is a crosslinked CMC-Fe 3+ /PAAM hydrogel?
  • In summary, a fully physically crosslinked CMC-Fe 3+ /PAAm (DPC) hydrogel was developed for the strain sensor. In this hydrogel, Fe 3+ crosslinked CMC network was used as the rigid first network and the hydrophobic associated poly (AAm-b-SMA) network was used as the flexible second network.