A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Repair paste for magnesium oxide board and preparation method of repair paste
The invention relates to the technical field of magnesium oxide boards, in particular to repairing paste for a magnesium oxide board and a preparation method of the repairing paste. The repairing paste for the magnesium oxide board comprises light calcined magnesia, magnesium sulfate heptahydrate, PVA rubber powder, redispersible latex powder, an organic silicon water repellent and water. The light calcined magnesia and the magnesium sulfate heptahydrate are used as main materials, magnesium oxysulfate cement slurry is formed under the action of water, the color approximation degree of the repairing paste and the glass magnesium board is improved, and the coincidence of the repairing paste and the glass magnesium board is improved. Meanwhile, the PVA rubber powder, the redispersible latex powder and the organic silicon water repellent are used for synergistically reducing the shrinkage rate after the repair paste is cured, and secondary repair is avoided.
本发明涉及玻镁板技术领域，尤其涉及一种玻镁板用修补膏及其制备方法。这种玻镁板用修补膏包括轻烧氧化镁、七水硫酸镁、PVA胶粉、可再分散性乳胶粉、有机硅憎水剂以及水。本申请中以轻烧氧化镁和七水硫酸镁作为主料，在水作用下形成硫氧镁水泥浆料，提高修补膏和玻镁板色泽的近似度、以及提高修补膏与玻镁板的相合性。同时通过PVA胶粉、可再分散性乳胶粉以及有机硅憎水剂协同降低修补膏固化后收缩率，避免二次修补。
Repair paste for magnesium oxide board and preparation method of repair paste
The invention relates to the technical field of magnesium oxide boards, in particular to repairing paste for a magnesium oxide board and a preparation method of the repairing paste. The repairing paste for the magnesium oxide board comprises light calcined magnesia, magnesium sulfate heptahydrate, PVA rubber powder, redispersible latex powder, an organic silicon water repellent and water. The light calcined magnesia and the magnesium sulfate heptahydrate are used as main materials, magnesium oxysulfate cement slurry is formed under the action of water, the color approximation degree of the repairing paste and the glass magnesium board is improved, and the coincidence of the repairing paste and the glass magnesium board is improved. Meanwhile, the PVA rubber powder, the redispersible latex powder and the organic silicon water repellent are used for synergistically reducing the shrinkage rate after the repair paste is cured, and secondary repair is avoided.
本发明涉及玻镁板技术领域，尤其涉及一种玻镁板用修补膏及其制备方法。这种玻镁板用修补膏包括轻烧氧化镁、七水硫酸镁、PVA胶粉、可再分散性乳胶粉、有机硅憎水剂以及水。本申请中以轻烧氧化镁和七水硫酸镁作为主料，在水作用下形成硫氧镁水泥浆料，提高修补膏和玻镁板色泽的近似度、以及提高修补膏与玻镁板的相合性。同时通过PVA胶粉、可再分散性乳胶粉以及有机硅憎水剂协同降低修补膏固化后收缩率，避免二次修补。
Repair paste for magnesium oxide board and preparation method of repair paste
一种玻镁板用修补膏及其制备方法
DING XINXIN (author) / WANG WENGUANG (author) / ZHOU DONGSHAN (author) / FU TINGTING (author) / ZHONG CHUNYAN (author) / PENG WEI (author)
2023-07-14
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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