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Algae-Filler Artificial Timber with an Ultralow Binder Content

Algae cultivation is an active area of study for carbon sequestration, while the large amount of produced algae must be upcycled. In the current study, we fabricated artificial timber based on algae filler, with only 2~4% epoxy binder. The flexural strength could be comparable with those of softwoods. The binder was efficiently dispersed in the algae phase through diluent-aided compaction self-assembly. The important processing parameters included the binder content, the filler morphology, the compaction pressure, the diluent ratio, and the curing condition. This research not only is critical to carbon sequestration, but also helps reduce the consumption of conventional construction materials.