通过地质聚合获得的废弃的软木复合材料的长期耐用性
Giovanni Dal Poggetto1, Luisa Barbieri2, Antonio D'Angelo3
1Department of Engineering "Enzo Ferrari", University of Modena and Reggio Emilia, Via P. Vivarelli 10, 41125, Modena, Italy.
概括
废弃的软木粉末被纳入地质聚合物复合材料中,以创建可持续的轻量级建筑材料. 这些软木地质聚合物复合材料具有较低的密度和良好的耐用性,显示出耐火隔热的潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 可持续建筑 可持续建筑
- 无机化学 无机化学 有机化学
背景情况:
- 地质聚合物为传统混凝土提供了可持续的替代品,因为它们的碳足迹更低,性能更好.
- 开发轻质,耐用的建筑材料对于节能和环保建筑至关重要.
- 软木粉等工业副产品为创造附加值复合材料提供了机会.
研究的目的:
- 研究将废弃的软木粉尘纳入用于可持续建筑应用的地质聚合物复合材料的方法.
- 评估这些新型复合材料的长期化学,微观结构,抗菌和物理性能.
- 评估软木-地质聚合物复合材料作为耐火保温材料的潜力.
主要方法:
- 使用氧化和酸盐溶液合成基于甲甲的地质聚合物.
- 在性激活之前和之后,将废弃的软木粉 (5%和10%重量) 添加到metakaolin中.
- 包括密度,多孔性,化学稳定性,细菌活力和机械耐药性在内的属性被监测了长达90天.
主要成果:
- 添加软木粉并没有阻碍地质聚合过程.
- 复合材料的密度降低了 (约为2.5g/cm3),特别是当ork被添加后激活时.
- 实现了化学稳定的矩阵,其离子释放低 (<10 ppm) 和高细菌活力 (~80%).
- 孔隙度在32-48%之间,压力强度在15-5 MPa之间.
结论:
- 软木地质聚合物复合材料表现出可调节的孔隙性和机械电阻,适用于室内面板.
- 加入软木粉增强了轻量特性,而不会影响地质聚合物矩阵的稳定性.
- 这些材料具有较低的环境影响和可持续建筑的理想性能.
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