Composite building products bound with cellulose nanofibers
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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Building materials are generated by the simple mixing of cellulose nanofiber (CNF) slurry with typical wood-derived material such as wood meal， optionally with mineral particulate materials， and dried. Particle boards are made with wood meal particulates; wallboards are made with wood particulates and mineral particulates; paints are made with pigment particulates; and cement is made with aggregate particulates. The particle board samples were tested for fracture toughness. The fracture toughness was found to be from 20% higher up to ten times higher than the typical value for similar board， depending on the formulation. For cases of 20% by weight cellulose nanofibers and 80% wood， the fracture toughness was more than double that of typical particle board. The process sequesters carbon and oxygen into the building product for its lifespan—typically decades—and avoid releasing CO 2 into the atmosphere.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
