Simultaneous Enhancement of Stiffness and Toughness in Hybrid Double-Network Hydrogels via the First, Physically Linked Network
被引:125
作者:
Chen, Qiang
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Henan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R ChinaHenan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R China
Chen, Qiang
[1
]
Wei, Dandan
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机构:
Henan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R ChinaHenan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R China
Wei, Dandan
[1
]
Chen, Hong
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机构:
Univ Akron, Dept Chem & Biomol Engn, Akron, OH 44325 USAHenan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R China
Chen, Hong
[3
]
Zhu, Lin
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机构:
Henan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R ChinaHenan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R China
Zhu, Lin
[1
]
Jiao, Caicai
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Henan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R ChinaHenan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R China
Jiao, Caicai
[1
]
Liu, Ge
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机构:
Henan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R China
Nankai Univ, Sch Chem, Tianjin 300071, Peoples R ChinaHenan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R China
Liu, Ge
[1
,2
]
Huang, Lina
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机构:
Henan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R ChinaHenan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R China
Huang, Lina
[1
]
Yang, Jia
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机构:
Henan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R ChinaHenan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R China
Yang, Jia
[1
]
Wang, Libo
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机构:
Henan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R ChinaHenan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R China
Wang, Libo
[1
]
Zheng, Jie
论文数: 0引用数: 0
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机构:
Univ Akron, Dept Chem & Biomol Engn, Akron, OH 44325 USA
Univ Akron, Inst Life Span Dev & Gerontol, Akron, OH 44325 USAHenan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R China
Zheng, Jie
[3
,4
]
机构:
[1] Henan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454003, Peoples R China
[2] Nankai Univ, Sch Chem, Tianjin 300071, Peoples R China
Combining both chemical and physical cross-links in a double-network hydrogel (DN gel) has emerged as a promising design strategy to obtain highly mechanically strong hydrogels. Unlike chemically cross-linked DN gels, little is known about the fracture process and toughening mechanisms of hybrid chemically physically linked DN gels. In this work, we engineered tough hybrid DN gels of agar/polyacrylamide (Agar/PAAm) by combining two types of cross-linked polymer networks: a physically linked, first agar network and a chemical-linked, second PAAm network. The resulting Agar/PAAm exhibited high stiffness of 313 kPa and high toughness of 1089 J/m(2). We then specifically examined the effect of the first agar network on the mechanical properties of hybrid Agar/PAAm gels. We found that by controlling agar concentrations above a critical value, the physically linked agar network can simultaneously enhance both stiffness and toughness of Agar/PAAm DN gels, as evidenced by a linear relationship of elastic modulus and tearing energies of the gels as the increase of agar concentration. This toughening behavior is different from that of chemically linked DN gels. Complement to chemically linked DN gels, this work provides a different view for the design of new stiff and tough hydrogels using hybrid physical and chemical networks.
机构:
Tianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
Bai, Tao
;
Zhang, Peng
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机构:
Tianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
Zhang, Peng
;
Han, Yanjiao
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h-index: 0
机构:
Tianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
Han, Yanjiao
;
Liu, Yuan
论文数: 0引用数: 0
h-index: 0
机构:
Tianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
Liu, Yuan
;
Liu, Wenguang
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机构:
Tianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
Liu, Wenguang
;
Zhao, Xiaoli
论文数: 0引用数: 0
h-index: 0
机构:
Univ Hong Kong, Dept Orthopaed & Traumotol, Hong Kong, Hong Kong, Peoples R ChinaTianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
Zhao, Xiaoli
;
Lu, William
论文数: 0引用数: 0
h-index: 0
机构:
Univ Hong Kong, Dept Orthopaed & Traumotol, Hong Kong, Hong Kong, Peoples R ChinaTianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
机构:
Tianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
Bai, Tao
;
Zhang, Peng
论文数: 0引用数: 0
h-index: 0
机构:
Tianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
Zhang, Peng
;
Han, Yanjiao
论文数: 0引用数: 0
h-index: 0
机构:
Tianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
Han, Yanjiao
;
Liu, Yuan
论文数: 0引用数: 0
h-index: 0
机构:
Tianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
Liu, Yuan
;
Liu, Wenguang
论文数: 0引用数: 0
h-index: 0
机构:
Tianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
Liu, Wenguang
;
Zhao, Xiaoli
论文数: 0引用数: 0
h-index: 0
机构:
Univ Hong Kong, Dept Orthopaed & Traumotol, Hong Kong, Hong Kong, Peoples R ChinaTianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
Zhao, Xiaoli
;
Lu, William
论文数: 0引用数: 0
h-index: 0
机构:
Univ Hong Kong, Dept Orthopaed & Traumotol, Hong Kong, Hong Kong, Peoples R ChinaTianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China