Chromium reducing agent and cement-based mixture using same

The invention relates to the field of cement materials, and particularly discloses a chromium reducing agent and a cement-based mixture using the chromium reducing agent. The chromium reducing agent comprises the following raw materials in parts by mass: 17-26 parts of a component A and 6-8 parts of...

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Hauptverfasser: SU XIAOQIANG, REN JIANBO, WANG TAO, ZHANG WEILI, ZHANG ZHENSHENG, WANG LIBIN, TANG ZHE, WANG JIANPENG, BIAN SHUFANG, WANG XIAOYING, WANG SHOUXING, LIU YUSHAN, LYU SHURAN, ZHENG LIMAN, CHEN FENGQI, WEI CHUAN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention relates to the field of cement materials, and particularly discloses a chromium reducing agent and a cement-based mixture using the chromium reducing agent. The chromium reducing agent comprises the following raw materials in parts by mass: 17-26 parts of a component A and 6-8 parts of sodium nitrite, wherein the component A is one or two of 3-methylamino-1, 2-propylene glycol and 3-diethylamino-1, 2-propylene glycol. The chromium reducing agent is good in chromium reducing effect and good in environmental oxidation resistance. 本申请涉及水泥材料领域,具体公开了一种降铬剂及其使用该降铬剂的水泥基混合物,其包括以下质量份数的原料降铬组成:所述降铬组成包括组分A 17~26份,所述组分A为3-甲氨基-1,2-丙二醇、3-二乙氨基-1,2-丙二醇中的一种或两者,亚硝酸钠6~8份,本申请的降铬剂降铬效果好且对抗环境氧化抗性好。