Housing construction consumes more materials than any other economic activity, with a total of 40.6 Gt/year. Boards are placed between construction materials to serve as non-load-bearing partitions. Studies have been performed to find alternatives to conventional materials using recycled fibers, agro-industrial waste, and protein binders as raw materials. Here, fire-resistant cellulose boards with low density and adequate flexural strength were produced for use as non-load-bearing partitions using waste newspapers, soy protein, boric acid, and borax. A central composite design was employed to study the influence of the board component percentage on flame retardancy (UL 94 horizontal burning test), density (ASTM D1037–12), and flexural strength (ISO 178–2010). The cellulose boards were characterized by thermal analysis (ASTM E1131–14) and scanning electron microscopy. Fire-resistant cellulose boards were successfully made with low densities (120–170 kg/m³) and flexural strength (0.06–0.64 MPa). The mechanical performance and fire resistance of cellulose boards suggest their suitability for use as building materials. A useful and sustainable construction material with great potential is produced with the valorization of waste materials.

Graphic abstract

中文翻译：

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废报纸，硼酸盐和蛋白质粘合剂制成的耐火纤维素板

房屋建筑消耗的材料比任何其他经济活动都要多，总计每年40.6 Gt。将板放置在建筑材料之间，以用作非承重隔板。已经进行了研究以找到使用回收纤维，农用工业废料和蛋白质粘合剂作为原料的常规材料的替代品。在这里，使用废报纸，大豆蛋白，硼酸和硼砂生产了低密度和足够的抗弯强度的耐火纤维素板，用作非承重隔板。采用中央复合设计来研究纸板成分百分比对阻燃性（UL 94水平燃烧测试），密度（ASTM D1037–12）和抗弯强度（ISO 178–2010）的影响。通过热分析（ASTM E1131–14）和扫描电子显微镜对纤维素板进行表征。低密度（120–170 kg / m³）和抗弯强度（0.06-0.64 MPa）。纤维素板的机械性能和耐火性表明它们适合用作建筑材料。随着废料的增值，生产出了具有巨大潜力的有用且可持续的建筑材料。

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