Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention relates to the technical field of mortar production, in particular to a phosphogypsum exterior wall plastering mortar and a preparation method thereof, and the phosphogypsum exterior wall plastering mortar comprises the following components in parts by weight: 500-540 parts of phosphogypsum, 15-25 parts of coke, 4-5 parts of bauxite, 5-6 parts of sandstone, 430-470 parts of fine sand, 0.5-1.5 part of hydroxypropyl methyl cellulose, 5-7 parts of an ethylene-vinyl acetate copolymer, 0.5-1.5 parts of starch ether, and 0.05-0.15 part of A-olefine sodium sulfonate. The preparation method comprises the following steps: crushing the phosphogypsum, the coke, the bauxite and the sandstone, pre-homogenizing, calcining in a heat source, grinding, and mixing the powder with other materials to produce the plastering mortar. By controlling the dosage ratio of the components, the prepared mortar is high in strength, the strength of the building exterior wall is enhanced, and the servicelife of the building exterior wall is prolonged; the tensile bonding strength, impermeability and water retention rate of the mortar prepared by the preparation method disclosed by the invention areall improved, and the consistency loss rate of 2 hours is reduced.
本发明涉及砂浆生产技术领域，用于外墙面施工用的抹灰材料，尤其涉及一种磷石膏外墙抹灰砂浆及其制备方法，按照重量分数计包括以下组分：500‑540份的磷石膏，15‑25份的焦炭，4‑5份的铝矾土，5‑6份的砂岩，430‑470份的细砂，0.5‑1.5份的羟丙基甲基纤维素，5‑7份的乙烯‑醋酸乙烯共聚物，0.5‑1.5份的淀粉醚，0.05‑0.15份的A‑烯烃磺酸钠；制备方法为将磷石膏、焦炭、铝矾土、砂岩，破碎后进行预均化，然后进行热源煅烧，再进行粉磨，然后将粉料与其他物料混合即可生产该抹灰砂浆；通过控制各组分之间的用量比，使制得的砂浆强度高，增强了建筑外墙的强度，延长了建筑外墙的使用寿命；本申请中的制备方法制得的砂浆的拉伸粘接强度、抗渗性能、保水率均得到了提高，降低了2h稠度损失率。
The invention relates to the technical field of mortar production, in particular to a phosphogypsum exterior wall plastering mortar and a preparation method thereof, and the phosphogypsum exterior wall plastering mortar comprises the following components in parts by weight: 500-540 parts of phosphogypsum, 15-25 parts of coke, 4-5 parts of bauxite, 5-6 parts of sandstone, 430-470 parts of fine sand, 0.5-1.5 part of hydroxypropyl methyl cellulose, 5-7 parts of an ethylene-vinyl acetate copolymer, 0.5-1.5 parts of starch ether, and 0.05-0.15 part of A-olefine sodium sulfonate. The preparation method comprises the following steps: crushing the phosphogypsum, the coke, the bauxite and the sandstone, pre-homogenizing, calcining in a heat source, grinding, and mixing the powder with other materials to produce the plastering mortar. By controlling the dosage ratio of the components, the prepared mortar is high in strength, the strength of the building exterior wall is enhanced, and the servicelife of the building exterior wall is prolonged; the tensile bonding strength, impermeability and water retention rate of the mortar prepared by the preparation method disclosed by the invention areall improved, and the consistency loss rate of 2 hours is reduced.
本发明涉及砂浆生产技术领域，用于外墙面施工用的抹灰材料，尤其涉及一种磷石膏外墙抹灰砂浆及其制备方法，按照重量分数计包括以下组分：500‑540份的磷石膏，15‑25份的焦炭，4‑5份的铝矾土，5‑6份的砂岩，430‑470份的细砂，0.5‑1.5份的羟丙基甲基纤维素，5‑7份的乙烯‑醋酸乙烯共聚物，0.5‑1.5份的淀粉醚，0.05‑0.15份的A‑烯烃磺酸钠；制备方法为将磷石膏、焦炭、铝矾土、砂岩，破碎后进行预均化，然后进行热源煅烧，再进行粉磨，然后将粉料与其他物料混合即可生产该抹灰砂浆；通过控制各组分之间的用量比，使制得的砂浆强度高，增强了建筑外墙的强度，延长了建筑外墙的使用寿命；本申请中的制备方法制得的砂浆的拉伸粘接强度、抗渗性能、保水率均得到了提高，降低了2h稠度损失率。
Phosphogypsum exterior wall plastering mortar and preparation method thereof
一种磷石膏外墙抹灰砂浆及其制备方法
29.12.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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