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A platform for research: civil engineering, architecture and urbanism
Cement grinding aid and preparation method thereof
The invention relates to the technical field of cement admixtures, and particularly discloses a cement grinding aid and a preparation method thereof.The cement grinding aid is prepared from, by weight, 15-45 parts of modified polyhydroxy alcohol amine, 2-8 parts of inorganic salt, 20-35 parts of sugar, 5-15 parts of deionized water and 2-6 parts of initiator; the modified polyhydroxy alcohol amine is prepared from the following raw materials in parts by weight: 15 to 35 parts of alcohol amine, 30 to 50 parts of anhydride and 20 to 40 parts of polyhydric alcohol; the grinding aid prepared by the invention is relatively good in grinding effect, and the grinding fineness of cement powder can be improved, and the grinding energy consumption can be reduced.
本申请涉及水泥外加剂技术领域，具体公开了一种水泥助磨剂及其制备方法，所述水泥助磨剂包括如下重量份的原料：改性多羟基醇胺15‑45份、无机盐2‑8份、糖20‑35份、去离子水5‑15份、引发剂2‑6份；所述改性多羟基醇胺包括如下重量份的原料：醇胺15‑35份、酸酐30‑50份、多元醇20‑40份；本申请制得的助磨剂粉磨效果较好，且可以有提高水泥粉磨细度降低粉磨能耗。
Cement grinding aid and preparation method thereof
The invention relates to the technical field of cement admixtures, and particularly discloses a cement grinding aid and a preparation method thereof.The cement grinding aid is prepared from, by weight, 15-45 parts of modified polyhydroxy alcohol amine, 2-8 parts of inorganic salt, 20-35 parts of sugar, 5-15 parts of deionized water and 2-6 parts of initiator; the modified polyhydroxy alcohol amine is prepared from the following raw materials in parts by weight: 15 to 35 parts of alcohol amine, 30 to 50 parts of anhydride and 20 to 40 parts of polyhydric alcohol; the grinding aid prepared by the invention is relatively good in grinding effect, and the grinding fineness of cement powder can be improved, and the grinding energy consumption can be reduced.
本申请涉及水泥外加剂技术领域，具体公开了一种水泥助磨剂及其制备方法，所述水泥助磨剂包括如下重量份的原料：改性多羟基醇胺15‑45份、无机盐2‑8份、糖20‑35份、去离子水5‑15份、引发剂2‑6份；所述改性多羟基醇胺包括如下重量份的原料：醇胺15‑35份、酸酐30‑50份、多元醇20‑40份；本申请制得的助磨剂粉磨效果较好，且可以有提高水泥粉磨细度降低粉磨能耗。
Cement grinding aid and preparation method thereof
一种水泥助磨剂及其制备方法
KONG LINGQIANG (author) / REN JIANBO (author) / SU PENGJU (author) / GAO FENG (author) / WANG XIAOYING (author)
2022-09-20
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Cement grinding aid, preparation method thereof and cement
| European Patent Office | 2022
Cement grinding aid, preparation method thereof and cement
| European Patent Office | 2023