Table 2.
Thermal and mechanical properties, and recyclability of the bio-based vitrimer CFRCs.
| Samples | Tg (°C) | Td5% (°C) | Tensile Strength (MPa) | Young’s Modulus (GPa) | Flexural Strength (MPa) and Modulus (GPa) | Recycling Condition | Reference |
|---|---|---|---|---|---|---|---|
| Epoxidized soybean oil & vanillin & 4-aminophenol | 27.6 | - | 145.4 ± 17.13 | 1.18 ± 0.14 | - | 0.1 M HCl for 20 h for the resin matrix to be completely dissolved. | [25] |
| Vanillin & 4-aminophenol & glycerol triglycidyl ether | 70 | 257 | 449 ± 12 | 12.9 ± 0.9 | - | 0.1 molL−1 ethylene-diamine (EDA) | [82] |
| Vanillin & methylcyclohexane-diamine | >131 | 267–284 | - | - | >490 & >34 | EDA, with epoxy resin:EDA ratio was 1:5 | [3] |
| Vanillin & phosphonitrilic chloride trimer & 4,4-diaminodiphenyl methane | 129 | 215 | 461 ± 21 | 47.3 ± 2 | 455 ± 14 & 54.2 ± 4 |
THF/HCl at RT for 24h | [85] |
| Hyperbranched polyesters (HBP) & rosin-derived fumaropimaric acid & glycerol triglycidyl ether | 75.6–90.5 | - | 585 ± 35 (with the 15 wt.% of HBP in the vitrimer system | - | - | Ethylene glycol (EG) at 180 °C for 12 h under N2 atmosphere | [88] |
| 5-hydroxymethylfurfural (HMF) & 1,3-diaminoguanidine monohydrochloride (GAN) & furan-based curing agent (DIFFA) | 234.1 | - | - | - | - | THF:HCl (8:2, v/v) | [86] |
| Itaconic acid & maleic anhydride & glycerine | 49–56 | 285 | 417 ± 26 | 31.3 ± 1.8 | - | 1 M NaOH at RT for 5 h | [87] |
| Adipic acid & epoxidized menthane diamine | 72.1–86.4 | 282 (for Td10%) | 465 | - | - | Ethanolamine at 60 °C for 30 min | [26] |