| Title | Recyclability of tannin-furanic foams |
|---|---|
| ID_Doc | 24517 |
| Authors | Sepperer, T; Barbu, MC; Tudor, EM; Fürmann, S; Petutschnigg, A |
| Title | Recyclability of tannin-furanic foams |
| Year | 2023 |
| Published | |
| Abstract | Tannin-furanic foams are biogenic, lightweight material comprising of up 95% renewable resources. Replacing 5 to 30% of the tannin powder in the formulation for new foam with finely grinded, recycled tannin-furanic polymer powder was investigated. While 5% and 10% of recycled material did not have a significant influ-ence on the mechanical properties (bending strength, modulus of elasticity, tensile strength and compression resistance) a slight decrease is observed for 15 to 25% replacement, but within these groups, results are not significantly different. An overall decrease of 30% for mechanical properties was observed for foams made with 15% to 25% recycled material. The addition of 30% recycling material in the production of tannin foams is not feasible, as the foaming process is disturbed. |
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