A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses thermal insulation mortar and a preparation method thereof. The thermal insulation mortar is prepared from the following raw materials in parts by weight: cement, fly ash, calcium powder, talcum powder, silicon powder, an expanding agent, cellulose ether, a water repellent, wood fibers, vitrified particles, a retarder, polystyrene foam, a melamine superplasticizer, sodium tripolyphosphate, calcium gluconate, an antioxidant, basalt fibers, polypropylene staple fibers and fine sand. The anionic surface activity of the Portland cement is controlled through the efficient water-reducing property of the melamine, then the characteristics of low bleeding, low alkali, low sodium sulfate content and good water-retaining property of the Portland cement are controlled, the cement hydration speed and hydration heat are reduced through the retarder, the setting time is prolonged, the overall solid property of the mortar is effectively improved, after the cellulose ether and the wood fiber are dissolved, on one hand, the solubility of the mortar is improved, on the other hand, the toughness of the mortar is improved, and meanwhile, the polypropylene short fiber improves the heat preservation and heat insulation properties of the mortar.
本发明公开了一种保温砂浆及其制备方法，由包括以下重量份的原料制成：水泥、粉煤灰、钙粉、滑石粉、硅粉、膨胀剂、纤维素醚、憎水剂、木质纤维、玻化颗粒、缓凝剂、聚苯乙烯泡沫、三聚氰胺高效减水剂、三聚磷酸钠、葡萄糖酸钙、抗氧剂、玄武岩纤维、聚丙烯短纤维、细沙。本发明通过三聚氰胺的高效减水性控制硅酸盐水泥阴离子表面的活性，进而控制硅酸盐水泥的低泌水、低碱、低硫酸钠含量、保水性好的特性，通过缓凝剂降低水泥水化速度和水化热、延长凝结时间，进而砂浆的整体固性得到有效提升，在纤维素醚与木质纤维溶解后，一方面提升了砂浆的溶解性，另一方面提升了砂浆的韧性，同时聚丙烯短纤维提高了砂浆的保温隔热性。
The invention discloses thermal insulation mortar and a preparation method thereof. The thermal insulation mortar is prepared from the following raw materials in parts by weight: cement, fly ash, calcium powder, talcum powder, silicon powder, an expanding agent, cellulose ether, a water repellent, wood fibers, vitrified particles, a retarder, polystyrene foam, a melamine superplasticizer, sodium tripolyphosphate, calcium gluconate, an antioxidant, basalt fibers, polypropylene staple fibers and fine sand. The anionic surface activity of the Portland cement is controlled through the efficient water-reducing property of the melamine, then the characteristics of low bleeding, low alkali, low sodium sulfate content and good water-retaining property of the Portland cement are controlled, the cement hydration speed and hydration heat are reduced through the retarder, the setting time is prolonged, the overall solid property of the mortar is effectively improved, after the cellulose ether and the wood fiber are dissolved, on one hand, the solubility of the mortar is improved, on the other hand, the toughness of the mortar is improved, and meanwhile, the polypropylene short fiber improves the heat preservation and heat insulation properties of the mortar.
本发明公开了一种保温砂浆及其制备方法，由包括以下重量份的原料制成：水泥、粉煤灰、钙粉、滑石粉、硅粉、膨胀剂、纤维素醚、憎水剂、木质纤维、玻化颗粒、缓凝剂、聚苯乙烯泡沫、三聚氰胺高效减水剂、三聚磷酸钠、葡萄糖酸钙、抗氧剂、玄武岩纤维、聚丙烯短纤维、细沙。本发明通过三聚氰胺的高效减水性控制硅酸盐水泥阴离子表面的活性，进而控制硅酸盐水泥的低泌水、低碱、低硫酸钠含量、保水性好的特性，通过缓凝剂降低水泥水化速度和水化热、延长凝结时间，进而砂浆的整体固性得到有效提升，在纤维素醚与木质纤维溶解后，一方面提升了砂浆的溶解性，另一方面提升了砂浆的韧性，同时聚丙烯短纤维提高了砂浆的保温隔热性。
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