A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Foam alkali-activated cementing material and preparation method thereof
The invention provides a foam alkali-activated cementing material which is composed of a middle layer and surface layers covering the upper surface and the lower surface of the middle layer, and the middle layer and the surface layers comprise the following raw materials: 30-50 parts by mass of blast furnace slag, 12-18 parts by mass of low-calcium fly ash, 9-15 parts by mass of alkaline magnesium slag, 10-15 parts by mass of an alkali activator, 6-8 parts by mass of a foaming agent and 3-5 parts by mass of a foam stabilizer; the surface layer further comprises 1.5-5 parts by mass of a functional catalyst, and the functional catalyst is gelatinous micro-nano TiO2 particles. According to the invention, the building material with formaldehyde degradation capability is prepared from solid wastes such as fly ash, magnesium slag and slag. Compared with a traditional porous foam material, the foam alkali-activated cementing material prepared by using the aluminum powder as the foaming agent has the advantage of utilizing industrial byproducts, and the excessive aluminum powder not only generates a compact and uniform pore structure, but also is beneficial to adsorption of formaldehyde gas and improvement of mechanical strength.
本发明提供了一种泡沫碱激发胶凝材料，由中间层和中间层上下表面覆盖的表面层组成，中间层和表面层包括以下原料：30～50质量份高炉矿渣、12～18质量份低钙粉煤灰、9～15质量份碱性镁渣、10～15质量份碱激发剂，6‑8质量份的发泡剂，3‑5质量份的稳泡剂；所述表面层还包括1.5‑5质量份功能性催化剂，所述功能性催化剂是凝胶状的微纳米TiO2颗粒。本发明利用粉煤灰、镁渣和矿渣等型固废制备具有降解甲醛能力的建筑材料。相较于传统多孔泡沫材料，本发明利用铝粉作为发泡剂制备的泡沫碱激发胶凝材料具有利用工业副产品的优势，过量的铝粉不但产生了致密均一的孔结构，有利于对于甲醛气体的吸附和提高力学强度。
Foam alkali-activated cementing material and preparation method thereof
The invention provides a foam alkali-activated cementing material which is composed of a middle layer and surface layers covering the upper surface and the lower surface of the middle layer, and the middle layer and the surface layers comprise the following raw materials: 30-50 parts by mass of blast furnace slag, 12-18 parts by mass of low-calcium fly ash, 9-15 parts by mass of alkaline magnesium slag, 10-15 parts by mass of an alkali activator, 6-8 parts by mass of a foaming agent and 3-5 parts by mass of a foam stabilizer; the surface layer further comprises 1.5-5 parts by mass of a functional catalyst, and the functional catalyst is gelatinous micro-nano TiO2 particles. According to the invention, the building material with formaldehyde degradation capability is prepared from solid wastes such as fly ash, magnesium slag and slag. Compared with a traditional porous foam material, the foam alkali-activated cementing material prepared by using the aluminum powder as the foaming agent has the advantage of utilizing industrial byproducts, and the excessive aluminum powder not only generates a compact and uniform pore structure, but also is beneficial to adsorption of formaldehyde gas and improvement of mechanical strength.
本发明提供了一种泡沫碱激发胶凝材料，由中间层和中间层上下表面覆盖的表面层组成，中间层和表面层包括以下原料：30～50质量份高炉矿渣、12～18质量份低钙粉煤灰、9～15质量份碱性镁渣、10～15质量份碱激发剂，6‑8质量份的发泡剂，3‑5质量份的稳泡剂；所述表面层还包括1.5‑5质量份功能性催化剂，所述功能性催化剂是凝胶状的微纳米TiO2颗粒。本发明利用粉煤灰、镁渣和矿渣等型固废制备具有降解甲醛能力的建筑材料。相较于传统多孔泡沫材料，本发明利用铝粉作为发泡剂制备的泡沫碱激发胶凝材料具有利用工业副产品的优势，过量的铝粉不但产生了致密均一的孔结构，有利于对于甲醛气体的吸附和提高力学强度。
Foam alkali-activated cementing material and preparation method thereof
一种泡沫碱激发胶凝材料及其制备方法
ZHANG NA (author) / WANG YIDI (author) / ZHANG YIHE (author) / HUANG HONGWEI (author)
2023-06-23
Patent
Electronic Resource
Chinese
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