Literature DB >> 26425825

Phase-Separation-Induced Anomalous Stiffening, Toughening, and Self-Healing of Polyacrylamide Gels.

Koshiro Sato1, Tasuku Nakajima2, Toshiyuki Hisamatsu1, Takayuki Nonoyama2, Takayuki Kurokawa2, Jian Ping Gong2.   

Abstract

Novel, tough, strong, and self-healable poly-acrylamide (PAAm) gels are fabricated by inducing an appropriate phase-separation structure using a poor solvent. The phase separation induces a gel-glass-like transition of the PAAm gels, providing the gels an anomalously high modulus (211 MPa), fracture stress (7.13 MPa), and fracture energy (4.16 × 10(4) J m(-2)), while keeping a high solvent content (≈60 vol%).
© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Entities:  

Keywords:  phase separation; polymer gels; sacrificial bonds; self-healing; toughening

Year:  2015        PMID： 26425825     DOI： 10.1002/adma.201502967

Source DB:  PubMed          Journal:  Adv Mater        ISSN： 0935-9648            Impact factor:   30.849


  5 in total

1.  Visible-light-assisted multimechanism design for one-step engineering tough hydrogels in seconds.

Authors:  Cong Wang; Ping Zhang; Wenqing Xiao; Jiaqi Zhao; Mengting Shi; Hongqiu Wei; Zhouhu Deng; Baolin Guo; Zijian Zheng; You Yu
Journal:  Nat Commun       Date:  2020-10-05       Impact factor: 14.919

2.  Adaptive and freeze-tolerant heteronetwork organohydrogels with enhanced mechanical stability over a wide temperature range.

Authors:  Hainan Gao; Ziguang Zhao; Yudong Cai; Jiajia Zhou; Wenda Hua; Lie Chen; Li Wang; Jianqi Zhang; Dong Han; Mingjie Liu; Lei Jiang
Journal:  Nat Commun       Date:  2017-06-22       Impact factor: 14.919

3.  Self-Assembly Supramolecular Systems Based on Guanidinium Salts Modified Hyperbranched Polyamidoamine and Cationic Acrylamide Copolymers.

Authors:  Qi Wu; Shaohua Gou; Yumei Fei; Xiaoyan Yang; Mengyu Liu; Jinglun Huang
Journal:  Polymers (Basel)       Date:  2019-10-31       Impact factor: 4.329

4.  Cryopolymerization enables anisotropic polyaniline hybrid hydrogels with superelasticity and highly deformation-tolerant electrochemical energy storage.

Authors:  Le Li; Yu Zhang; Hengyi Lu; Yufeng Wang; Jingsan Xu; Jixin Zhu; Chao Zhang; Tianxi Liu
Journal:  Nat Commun       Date:  2020-01-07       Impact factor: 14.919

5.  Mechanical behaviors and probabilistic multiphase network model of polyvinyl alcohol hydrogel after being immersed in sodium hydroxide solution.

Authors:  Zeyu Zuo; Yongrou Zhang; Licheng Zhou; Zejia Liu; Zhenyu Jiang; Yiping Liu; Liqun Tang
Journal:  RSC Adv       Date:  2021-03-19       Impact factor: 3.361
  5 in total

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