A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention belongs to the technical field of building materials, and provides building gypsum-based self-leveling mortar and a preparation method thereof.The building gypsum-based self-leveling mortar is prepared from, by weight, 600-700 parts of beta semi-hydrated building gypsum, 50-70 parts of alkaline regulator, 200-320 parts of inorganic admixture, 5-10 parts of inorganic active agent, 1-4 parts of polyvinyl alcohol, 0.5-1 part of stabilizer, 0.3-0.8 part of retarder, 2-4 parts of water reducing agent and 0.4-0.6 part of defoaming agent; the building gypsum-based self-leveling mortar provided by the invention has the characteristics of good fluidity, short maintenance time, high strength, smooth surface, small shrinkage deformation, high bonding strength and low cost, and also has relatively high mechanical properties, settling resistance, water resistance and constructability.
本发明属于建筑材料技术领域，提供了一种建筑石膏基自流平砂浆及其制备方法，以重量分数计，包括以下成分β半水建筑石膏600～700份，碱性调节剂50～70份，无机掺合料200～320份，无机活性剂5～10份，聚乙烯醇1～4份，稳定剂0.5～1份，缓凝剂0.3～0.8份，减水剂2～4份，消泡剂0.4～0.6份；本发明提供的建筑石膏基自流平砂浆具有流动性性好、养护时间短、强度高、表面平整、收缩变形小、粘结强度高、成本低的特点，同时还具有较高的力学性能、抗沉降性、耐水性、施工性。
The invention belongs to the technical field of building materials, and provides building gypsum-based self-leveling mortar and a preparation method thereof.The building gypsum-based self-leveling mortar is prepared from, by weight, 600-700 parts of beta semi-hydrated building gypsum, 50-70 parts of alkaline regulator, 200-320 parts of inorganic admixture, 5-10 parts of inorganic active agent, 1-4 parts of polyvinyl alcohol, 0.5-1 part of stabilizer, 0.3-0.8 part of retarder, 2-4 parts of water reducing agent and 0.4-0.6 part of defoaming agent; the building gypsum-based self-leveling mortar provided by the invention has the characteristics of good fluidity, short maintenance time, high strength, smooth surface, small shrinkage deformation, high bonding strength and low cost, and also has relatively high mechanical properties, settling resistance, water resistance and constructability.
本发明属于建筑材料技术领域，提供了一种建筑石膏基自流平砂浆及其制备方法，以重量分数计，包括以下成分β半水建筑石膏600～700份，碱性调节剂50～70份，无机掺合料200～320份，无机活性剂5～10份，聚乙烯醇1～4份，稳定剂0.5～1份，缓凝剂0.3～0.8份，减水剂2～4份，消泡剂0.4～0.6份；本发明提供的建筑石膏基自流平砂浆具有流动性性好、养护时间短、强度高、表面平整、收缩变形小、粘结强度高、成本低的特点，同时还具有较高的力学性能、抗沉降性、耐水性、施工性。
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| European Patent Office | 2024
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