Imidazolium alkyl urea reinforced polyurethane (PMI)+ Tannins (TA) |
Hydrogen bonding and hydrophobicity |
Good mechanical properties, underwater adhesion, and organ hemostasis |
[65] |
Phenylboronic acid-functionalized polycarbonate + Polyethylene glycol (PEG) |
Good biocompatibility, mechanical properties, and antibacterial properties |
[66] |
Ferrocene (Fc) + β-cyclodextrins (CD) |
Mutual recognition of host and guest |
Good biocompatibility, stability, and anti-inflammatory properties |
[67] |
Carboxyl-terminated aniline tetramer + chitosan |
Amidation reaction |
Good self-healing ability, injectable, adhesive, biodegradable, biocompatible, and antibacterial |
[59] |
Hyperbranched polyethylene glycol (HP-PEG) + Sulfated hyaluronic acid (HA-SH) |
Michael addition reaction |
Suitable mechanical stability, injectable, no swelling, and stain resistance |
[52] |
Hyaluronic acid grafted with hydrazide (HAh) + Hyaluronic acid grafted with an aldehyde (HAaq) |
Schiff base reaction |
Injectable, tight biological adhesion, and efficient self-healing |
[68] |
Ethylene glycol chitosan + Ethylene glycol chitosan (DF-PU) |
High porosity, strong liquid absorption, instant self-healing, and injectable |
[69] |
Oxidized hyaluronic acid (OHA) + Succinyl chitosan (SCS) |
Low cytotoxicity, good biocompatibility, and pH response |
[70] |
Poloxamer 407 + Heparin |
Condensation reaction |
Good biocompatibility, thermal sensitivity, high porosity, and protection of growth factors |
[71] |