A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Nano cellulose/cellulose ether composite reinforced cement material and preparation method thereof
The invention belongs to the field of building materials, and particularly relates to a nanofiber reinforced cement material and a preparation method thereof.The preparation method comprises the following steps that 1, a raw material containing plant cellulose is coarsely prepared and purified to obtain a nanocellulose prefabricated solution; (2) preparing cellulose ether liquid from the nano cellulose prefabricated liquid; (3) adding hydroiodic acid into the cellulose ether liquid, uniformly mixing, and spray-drying to obtain a nano cellulose/cellulose ether composite material; (4) the nanocellulose/cellulose ether composite material is uniformly mixed with concrete to obtain the nanocellulose/cellulose ether composite reinforced cement material, namely a cement board, a cement pipeline or a cement brick, waste paper is used as a cellulose source, and the nanocellulose/cellulose ether composite reinforced cement material has the characteristics of being green and environment-friendly; the water-retaining property is good, cracking is prevented, the material performance is good, and the strength is high; the problem of agglomeration of the nano cellulose in the concrete is solved.
本发明属于建筑材料领域，具体涉及一种纳米纤维增强水泥材料及其制备方法，包括以下步骤：（1）含植物纤维素的原料粗制提纯得纳米纤维素预制液；（2）纳米纤维素预制液制得纤维素醚液；（3）纤维素醚液中加入氢碘酸，混合均匀后喷雾干燥获得纳米纤维素/纤维素醚复合材料；（4）纳米纤维素/纤维素醚复合材料与混凝土混合均匀后得纳米纤维素/纤维素醚复合增强水泥材料，即水泥板、水泥管道或水泥砖等，利用了废纸作为纤维素源，具有绿色环保的特点；保水性好，防开裂，材料性能好，强度高；解决了混凝土中纳米纤维素团聚问题。
Nano cellulose/cellulose ether composite reinforced cement material and preparation method thereof
The invention belongs to the field of building materials, and particularly relates to a nanofiber reinforced cement material and a preparation method thereof.The preparation method comprises the following steps that 1, a raw material containing plant cellulose is coarsely prepared and purified to obtain a nanocellulose prefabricated solution; (2) preparing cellulose ether liquid from the nano cellulose prefabricated liquid; (3) adding hydroiodic acid into the cellulose ether liquid, uniformly mixing, and spray-drying to obtain a nano cellulose/cellulose ether composite material; (4) the nanocellulose/cellulose ether composite material is uniformly mixed with concrete to obtain the nanocellulose/cellulose ether composite reinforced cement material, namely a cement board, a cement pipeline or a cement brick, waste paper is used as a cellulose source, and the nanocellulose/cellulose ether composite reinforced cement material has the characteristics of being green and environment-friendly; the water-retaining property is good, cracking is prevented, the material performance is good, and the strength is high; the problem of agglomeration of the nano cellulose in the concrete is solved.
本发明属于建筑材料领域，具体涉及一种纳米纤维增强水泥材料及其制备方法，包括以下步骤：（1）含植物纤维素的原料粗制提纯得纳米纤维素预制液；（2）纳米纤维素预制液制得纤维素醚液；（3）纤维素醚液中加入氢碘酸，混合均匀后喷雾干燥获得纳米纤维素/纤维素醚复合材料；（4）纳米纤维素/纤维素醚复合材料与混凝土混合均匀后得纳米纤维素/纤维素醚复合增强水泥材料，即水泥板、水泥管道或水泥砖等，利用了废纸作为纤维素源，具有绿色环保的特点；保水性好，防开裂，材料性能好，强度高；解决了混凝土中纳米纤维素团聚问题。
Nano cellulose/cellulose ether composite reinforced cement material and preparation method thereof
一种纳米纤维素/纤维素醚复合增强水泥材料及其制备方法
FANG FUBING (author) / LI FENG (author) / SUN LEI (author)
2022-06-07
Patent
Electronic Resource
Chinese
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