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A platform for research: civil engineering, architecture and urbanism
Water-resistant gypsum-based putty and preparation method thereof
The invention relates to the technical field of coatings, in particular to water-resistant gypsum-based putty and a preparation method thereof. The waterproof mortar comprises the following components in parts by weight: 60-80 parts of desulfurized gypsum, 4-10 parts of white cement, 5-10 parts of aluminate cement, 5-10 parts of fly ash floating beads, 3-10 parts of heavy calcium powder, 3-10 parts of talcum powder, 0.5-2 parts of nano silicon dioxide powder, 0.5-2 parts of a rosin emulsified dry powder waterproof agent, 0.03-0.07 part of a polycarboxylate superplasticizer, 0.3-0.7 part of a retarder, 0.03-0.07 part of polypropylene fibers and 0.2-0.5 part of a mildew preventive. Due to the use of the organic-inorganic composite waterproof agent, the organic waterproof agent changes the internal structure of the gypsum, so that a hydrophobic membrane is generated in the crystal of the gypsum, the water absorption rate of the gypsum is reduced, inorganic mineral materials are combined, the porosity is reduced, the density of the gypsum is increased, the crystal type of the gypsum is adjusted, the gypsum has hydraulicity, and the water absorption rate of the gypsum is reduced; the strength of the gypsum is improved.
本发明涉及涂料技术领域，尤其涉及一种耐水石膏基腻子及其制备方法。其包括以下重量份的组分：脱硫石膏60～80份、白水泥4～10份、铝酸盐水泥5～10份、粉煤灰漂珠5～10份、重钙粉3～10份、滑石粉3～10份、纳米二氧化硅粉0.5～2、松香乳化干粉防水剂0.5～2份、聚羧酸减水剂0.03～0.07、缓凝剂0.3～0.7份、聚丙烯纤维0.03～0.07份、防霉剂0.2～0.5份。本发明由于有机‑无机复合防水剂的使用，有机防水剂改变石膏的内部结构，使其晶体内部生成疏水膜，以此降低石膏的吸水率，合无机矿物材料，降低孔隙率，增加石膏的密度，调整石膏的晶体类型，使其具有水硬性，降低石膏的吸水率，提高石膏的强度。
Water-resistant gypsum-based putty and preparation method thereof
The invention relates to the technical field of coatings, in particular to water-resistant gypsum-based putty and a preparation method thereof. The waterproof mortar comprises the following components in parts by weight: 60-80 parts of desulfurized gypsum, 4-10 parts of white cement, 5-10 parts of aluminate cement, 5-10 parts of fly ash floating beads, 3-10 parts of heavy calcium powder, 3-10 parts of talcum powder, 0.5-2 parts of nano silicon dioxide powder, 0.5-2 parts of a rosin emulsified dry powder waterproof agent, 0.03-0.07 part of a polycarboxylate superplasticizer, 0.3-0.7 part of a retarder, 0.03-0.07 part of polypropylene fibers and 0.2-0.5 part of a mildew preventive. Due to the use of the organic-inorganic composite waterproof agent, the organic waterproof agent changes the internal structure of the gypsum, so that a hydrophobic membrane is generated in the crystal of the gypsum, the water absorption rate of the gypsum is reduced, inorganic mineral materials are combined, the porosity is reduced, the density of the gypsum is increased, the crystal type of the gypsum is adjusted, the gypsum has hydraulicity, and the water absorption rate of the gypsum is reduced; the strength of the gypsum is improved.
本发明涉及涂料技术领域，尤其涉及一种耐水石膏基腻子及其制备方法。其包括以下重量份的组分：脱硫石膏60～80份、白水泥4～10份、铝酸盐水泥5～10份、粉煤灰漂珠5～10份、重钙粉3～10份、滑石粉3～10份、纳米二氧化硅粉0.5～2、松香乳化干粉防水剂0.5～2份、聚羧酸减水剂0.03～0.07、缓凝剂0.3～0.7份、聚丙烯纤维0.03～0.07份、防霉剂0.2～0.5份。本发明由于有机‑无机复合防水剂的使用，有机防水剂改变石膏的内部结构，使其晶体内部生成疏水膜，以此降低石膏的吸水率，合无机矿物材料，降低孔隙率，增加石膏的密度，调整石膏的晶体类型，使其具有水硬性，降低石膏的吸水率，提高石膏的强度。
Water-resistant gypsum-based putty and preparation method thereof
一种耐水石膏基腻子及其制备方法
LI XIAOLIANG (author) / JIANG KEFEI (author) / ZHENG JIAOLING (author) / GAO LIPING (author)
2022-11-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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