Environmental-friendly plastering mortar and preparation method thereof

The invention discloses environmental-friendly plastering mortar and a preparation method thereof and relates to the technical field of building mortar. According to the technical scheme, the environmental-friendly plastering mortar is characterized by comprising the following components in parts by weight: 240-260 parts of cement, 65-75 parts of coal ash, 1050-1100 parts of a fine aggregate, 250-270 parts of water, 3-5 parts of a plastic retaining agent and 1-3 parts of a thickening time control agent. With the combination of the plastic retaining agent and the thickening time control agent with other raw materials, original properties of wet-mixed plastering mortar can be maintained for a long time, and the plastering mortar has very good water retention and stability, and has operability time up to 30 hours. 本发明公开了一种环保型抹灰砂浆及其制备方法，涉及建筑砂浆技术领域，其技术方案要点是一种环保型抹灰砂浆，以重量份数计，包括如下组分：水泥240-260份、粉煤灰65-75份、细骨料1050-1100份、水250-270份、保塑剂3-5份以及调凝剂1-3份。本发明通过保塑剂与调凝剂与其他原料的配合，可以使得湿拌抹灰砂浆可以在较长时间内保持原本的性能，具有很好的保水性以及稳定性，其可操作时间可达30h。