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Acid-excited geopolymer and preparation method thereof
The invention discloses an acid-activated geopolymer and a preparation method thereof, and the acid-activated geopolymer comprises the following components in parts by weight: 80 parts of a first raw material, 40-50 parts of a first activator and 5-15 parts of an early strength agent, wherein the first raw material contains active aluminosilicate; the first exciting agent is inorganic acid; the early strength agent contains first metal ions, and the first metal ions have a dissolution rate higher than that of Al < 3 + > in an environment with the pH being smaller than 7, so that generation of an inorganic acid salt gel product phase is promoted. According to the invention, acid radical ions are provided by the first excitant, so that the excitation reaction in the geopolymer can be promoted, and the geopolymer has better chemical erosion resistance in a neutral or acidic application environment; the early strength agent provides first metal ions with the dissolution rate higher than that of Al < 3 + > in the environment with the pH smaller than 7, the first metal ions can preferentially react with the acidic first exciting agent, a product of a gel phase structure is generated, the reaction of the geopolymer is accelerated, and the early strength development of the geopolymer is improved.
本申请公开了一种酸激发地质聚合物及其制备方法,按重量份计,包括:80份的第一原料、40~50份的第一激发剂和5~15份的早强剂;其中,第一原料含有活性铝硅质;第一激发剂为无机酸;早强剂含有第一金属离子,且第一金属离子在pH小于7的环境下具有高于Al3+的溶解速率,促进无机酸盐凝胶产物相的生成。本申请通过第一激发剂来提供酸根离子,能够促进地质聚合物内部的激发反应并使地质聚合物在中性或酸性应用环境下具有更好的抗化学侵蚀性;通过早强剂提供在pH小于7的环境下高于Al3+的溶解速率的第一金属离子,可以优先与酸性的第一激发剂反应,生成凝胶相结构的产物,加速地质聚合物反应,并提高地质聚合物早期强度发展。
Acid-excited geopolymer and preparation method thereof
The invention discloses an acid-activated geopolymer and a preparation method thereof, and the acid-activated geopolymer comprises the following components in parts by weight: 80 parts of a first raw material, 40-50 parts of a first activator and 5-15 parts of an early strength agent, wherein the first raw material contains active aluminosilicate; the first exciting agent is inorganic acid; the early strength agent contains first metal ions, and the first metal ions have a dissolution rate higher than that of Al < 3 + > in an environment with the pH being smaller than 7, so that generation of an inorganic acid salt gel product phase is promoted. According to the invention, acid radical ions are provided by the first excitant, so that the excitation reaction in the geopolymer can be promoted, and the geopolymer has better chemical erosion resistance in a neutral or acidic application environment; the early strength agent provides first metal ions with the dissolution rate higher than that of Al < 3 + > in the environment with the pH smaller than 7, the first metal ions can preferentially react with the acidic first exciting agent, a product of a gel phase structure is generated, the reaction of the geopolymer is accelerated, and the early strength development of the geopolymer is improved.
本申请公开了一种酸激发地质聚合物及其制备方法,按重量份计,包括:80份的第一原料、40~50份的第一激发剂和5~15份的早强剂;其中,第一原料含有活性铝硅质;第一激发剂为无机酸;早强剂含有第一金属离子,且第一金属离子在pH小于7的环境下具有高于Al3+的溶解速率,促进无机酸盐凝胶产物相的生成。本申请通过第一激发剂来提供酸根离子,能够促进地质聚合物内部的激发反应并使地质聚合物在中性或酸性应用环境下具有更好的抗化学侵蚀性;通过早强剂提供在pH小于7的环境下高于Al3+的溶解速率的第一金属离子,可以优先与酸性的第一激发剂反应,生成凝胶相结构的产物,加速地质聚合物反应,并提高地质聚合物早期强度发展。
Acid-excited geopolymer and preparation method thereof
一种酸激发地质聚合物及其制备方法
YANG TAO (Autor:in) / CHEN WEN (Autor:in) / SUN WEIWEI (Autor:in) / ZHAO JUN (Autor:in) / CHEN WENXU (Autor:in) / GAO XUAN (Autor:in) / WU QISHENG (Autor:in) / ZHU HUAJUN (Autor:in)
22.10.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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