Table 9. Comparative Information between SPF-0.5 Prepared in This Study and Other Polymer Foam Materials.
| polymer foam | modified materials | LOI (%) | compressive strength (MPa) | pulverization ratio (%) | T5% (°C) | refs |
|---|---|---|---|---|---|---|
| lightweight polydimethylsiloxane foam (SiRF-GO0.10%) | GO | 27.4% | 0.011 | 358.00 | (10) | |
| polybenzoxazine foam (PBZ-7.5) | phenolic resin | 23.3 | 0.49 | 273.61 | (34) | |
| phenolic foam (20% BPF) | bio-oil | 0.28 | 8.90 | 156 | (35) | |
| phenolic foam (TPF-6) | tung oil | 27.5% | 0.28 | 111.70 | (36) | |
| phenolic foam (PF/1 wt % GO/SiO2-80) | GO/SiO2 | 0.18 | (37) | |||
| polyurethane foam (2SNGO/18DMMP/RPU) | SiO2/GO | 24.0% | 0.33 | 202.6 | (38) | |
| lignin-modified phenolic foam (PF3) | nano-SiO2 | 0.38 | (39) | |||
| polyphenylene ether resin-based foam (SPF-0.5) | silica sol | 28.50 | 0.59 | 4.18 | 310.1 | this work |