25. Huang T et al (2007) A novel hydrogel with high mechanical strength: a macromolecular
microsphere composite hydrogel. Adv Mater 19(12):1622–1626
26. Haraguchi K, Takehisa T (2002) Nanocomposite hydrogels: a unique organic-inorganic network structure with extraordinary mechanical, optical, and swelling/de-swelling properties.
Adv Mater 14(16):1120–1124
27. Gong JP (2010) Why are double network hydrogels so tough? Soft Matter 6:2583–2590
28. Weng L, Gouldstone A, Wu Y, Chen W (2008) Mechanically strong double network
photocrosslinked hydrogels from N,N-dimethylacrylamide and glycidyl methacrylated
hyaluronan. Biomaterials 29(14):2153–2163
29. Myung D et al (2007) Biomimetic strain hardening in interpenetrating polymer network
hydrogels. Polymer 48(18):5376–5387
30. Ducrot E et al (2014) Toughening elastomers with sacrificial bonds and watching them break.
Science 344(6180):186–189
31. Nakayama A et al (2004) High mechanical strength double-network hydrogel with bacterial
cellulose. Adv Funct Mater 14(11):1124–1128
32. Wojtecki RJ, Meador MA, Rowan SJ (2011) Using the dynamic bond to access macroscopically responsive structurally dynamic polymers. Nat Mater 10:14–27
33. Cui J, Del Campo A (2012) Multivalent H-bonds for self-healing hydrogels. Chem Commun
48:9302–9304
34. Chen Q et al (2013) A robust, one-pot synthesis of highly mechanical and recoverable double
network hydrogels using thermoreversible sol-gel polysaccharide. Adv Mater 25:4171–4176
35. Jeon I et al (2016) Extremely stretchable and fast self-healing hydrogels. Adv Mater 28
(23):4678–4683
36. Dai X et al (2015) A mechanically strong, highly stable, thermoplastic, and self-healable
supramolecular polymer hydrogel. Adv Mater 27:3566–3571
37. Van Gemert GML et al (2012) Self-healing supramolecular polymers in action. Macromol
Chem Phys 213:234–242
38. Luo F et al (2015) Oppositely charged polyelectrolytes form tough, self-healing, and
rebuildable hydrogels. Adv Mater 27:2722–2727
39. Sun TL et al (2013) Physical hydrogels composed of polyampholytes demonstrate high
toughness and viscoelasticity. Nat Mater 12:932–937
40. Sun JY et al (2012) Highly stretchable and tough hydrogels. Nature 489:133–136
41. Tuncaboylu DC et al (2011) Tough and self-healing hydrogels formed via hydrophobic
interactions. Macromolecules 44:4997–5005
42. Yue YF et al (2013) Lamellar hydrogels with high toughness and ternary tunable photonic stopband. Adv Mater 25:3106–3110
43. Zhang HJ et al (2016) Tough physical double-network hydrogels based on amphiphilic triblock
copolymers. Adv Mater 28(24):4884–4890
44. Kakuta T et al (2013) Preorganized hydrogel: self-healing properties of supramolecular
hydrogels formed by polymerization of host-guest-monomers that contain cyclodextrins and
hydrophobic guest groups. Adv Mater 25:2849–2853
45. Nakahata M, Takashima Y, Harada A (2016) Highly flexible, tough, and self-healing supramolecular polymeric materials using host-guest interaction. Macromol Rapid Commun
37:86–92
46. Yu C, Wang CF, Chen S (2014) Robust self-healing host-guest gels from magnetocaloric
radical polymerization. Adv Funct Mater 24:1235–1242
47. Burattini S et al (2011) A supramolecular polymer based on tweezer-type π-π stacking interactions: molecular design for healability and enhanced toughness. Chem Mater 23:6–8
48. Burattini S et al (2010) A healable supramolecular polymer blend based on aromatic π-π
stacking and hydrogen-bonding interactions. J Am Chem Soc 132(34):12051–12058
49. Deng G et al (2010) Covalent cross-linked polymer gels with reversible sol-gel transition and
self-healing properties. Macromolecules 43:1191–1194
316
T. L. Sun and K. Cui
microsphere composite hydrogel. Adv Mater 19(12):1622–1626
26. Haraguchi K, Takehisa T (2002) Nanocomposite hydrogels: a unique organic-inorganic network structure with extraordinary mechanical, optical, and swelling/de-swelling properties.
Adv Mater 14(16):1120–1124
27. Gong JP (2010) Why are double network hydrogels so tough? Soft Matter 6:2583–2590
28. Weng L, Gouldstone A, Wu Y, Chen W (2008) Mechanically strong double network
photocrosslinked hydrogels from N,N-dimethylacrylamide and glycidyl methacrylated
hyaluronan. Biomaterials 29(14):2153–2163
29. Myung D et al (2007) Biomimetic strain hardening in interpenetrating polymer network
hydrogels. Polymer 48(18):5376–5387
30. Ducrot E et al (2014) Toughening elastomers with sacrificial bonds and watching them break.
Science 344(6180):186–189
31. Nakayama A et al (2004) High mechanical strength double-network hydrogel with bacterial
cellulose. Adv Funct Mater 14(11):1124–1128
32. Wojtecki RJ, Meador MA, Rowan SJ (2011) Using the dynamic bond to access macroscopically responsive structurally dynamic polymers. Nat Mater 10:14–27
33. Cui J, Del Campo A (2012) Multivalent H-bonds for self-healing hydrogels. Chem Commun
48:9302–9304
34. Chen Q et al (2013) A robust, one-pot synthesis of highly mechanical and recoverable double
network hydrogels using thermoreversible sol-gel polysaccharide. Adv Mater 25:4171–4176
35. Jeon I et al (2016) Extremely stretchable and fast self-healing hydrogels. Adv Mater 28
(23):4678–4683
36. Dai X et al (2015) A mechanically strong, highly stable, thermoplastic, and self-healable
supramolecular polymer hydrogel. Adv Mater 27:3566–3571
37. Van Gemert GML et al (2012) Self-healing supramolecular polymers in action. Macromol
Chem Phys 213:234–242
38. Luo F et al (2015) Oppositely charged polyelectrolytes form tough, self-healing, and
rebuildable hydrogels. Adv Mater 27:2722–2727
39. Sun TL et al (2013) Physical hydrogels composed of polyampholytes demonstrate high
toughness and viscoelasticity. Nat Mater 12:932–937
40. Sun JY et al (2012) Highly stretchable and tough hydrogels. Nature 489:133–136
41. Tuncaboylu DC et al (2011) Tough and self-healing hydrogels formed via hydrophobic
interactions. Macromolecules 44:4997–5005
42. Yue YF et al (2013) Lamellar hydrogels with high toughness and ternary tunable photonic stopband. Adv Mater 25:3106–3110
43. Zhang HJ et al (2016) Tough physical double-network hydrogels based on amphiphilic triblock
copolymers. Adv Mater 28(24):4884–4890
44. Kakuta T et al (2013) Preorganized hydrogel: self-healing properties of supramolecular
hydrogels formed by polymerization of host-guest-monomers that contain cyclodextrins and
hydrophobic guest groups. Adv Mater 25:2849–2853
45. Nakahata M, Takashima Y, Harada A (2016) Highly flexible, tough, and self-healing supramolecular polymeric materials using host-guest interaction. Macromol Rapid Commun
37:86–92
46. Yu C, Wang CF, Chen S (2014) Robust self-healing host-guest gels from magnetocaloric
radical polymerization. Adv Funct Mater 24:1235–1242
47. Burattini S et al (2011) A supramolecular polymer based on tweezer-type π-π stacking interactions: molecular design for healability and enhanced toughness. Chem Mater 23:6–8
48. Burattini S et al (2010) A healable supramolecular polymer blend based on aromatic π-π
stacking and hydrogen-bonding interactions. J Am Chem Soc 132(34):12051–12058
49. Deng G et al (2010) Covalent cross-linked polymer gels with reversible sol-gel transition and
self-healing properties. Macromolecules 43:1191–1194
316
T. L. Sun and K. Cui