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Adsorption type crystal nucleus early strength agent and preparation method thereof
The invention provides an adsorption type crystal nucleus early strength agent and a preparation method thereof, and belongs to the field of concrete admixtures, and the preparation method comprises the following steps: 1, dissolving an adsorbent in a solvent according to a set proportion, and then adding an auxiliary agent under the condition of heating and stirring to form a uniform solution A; 2, putting nano silicon dioxide into a dispersing agent, and performing ultrasonic treatment to obtain a reaction base solution; 3, heating and stirring the reaction base solution, dropwise adding the solution A, and adjusting the pH value to 4-6 in the dropwise adding process; after the solution A is dropwise added, a coupling agent is added for continuous reaction, and the adsorption type crystal nucleus early strength agent is obtained.The adsorption type crystal nucleus early strength agent can accelerate the cement hydration rate and improve the early strength of a Portland cement system and has good stability.
本发明提供了一种吸附型晶核早强剂及其制备方法，属于混凝土外加剂领域，制备方法包括：步骤一：将吸附剂按照设定比例溶解在溶剂中，随后在加热搅拌的情况下加入助剂，形成均匀的溶液A；步骤二：将纳米二氧化硅投入在分散剂中，并经超声处理后作为反应底液；步骤三：将反应底液进行加热搅拌，同时滴加溶液A，并在滴加过程中调节PH值在4～6；溶液A滴加完成后加入偶联剂继续进行反应，反应结束后即得吸附型晶核早强剂，本发明能够使吸附型晶核早强剂能够加速水泥水化速率，提高硅酸盐水泥体系早期强度，并且具有较好的稳定性。
Adsorption type crystal nucleus early strength agent and preparation method thereof
The invention provides an adsorption type crystal nucleus early strength agent and a preparation method thereof, and belongs to the field of concrete admixtures, and the preparation method comprises the following steps: 1, dissolving an adsorbent in a solvent according to a set proportion, and then adding an auxiliary agent under the condition of heating and stirring to form a uniform solution A; 2, putting nano silicon dioxide into a dispersing agent, and performing ultrasonic treatment to obtain a reaction base solution; 3, heating and stirring the reaction base solution, dropwise adding the solution A, and adjusting the pH value to 4-6 in the dropwise adding process; after the solution A is dropwise added, a coupling agent is added for continuous reaction, and the adsorption type crystal nucleus early strength agent is obtained.The adsorption type crystal nucleus early strength agent can accelerate the cement hydration rate and improve the early strength of a Portland cement system and has good stability.
本发明提供了一种吸附型晶核早强剂及其制备方法，属于混凝土外加剂领域，制备方法包括：步骤一：将吸附剂按照设定比例溶解在溶剂中，随后在加热搅拌的情况下加入助剂，形成均匀的溶液A；步骤二：将纳米二氧化硅投入在分散剂中，并经超声处理后作为反应底液；步骤三：将反应底液进行加热搅拌，同时滴加溶液A，并在滴加过程中调节PH值在4～6；溶液A滴加完成后加入偶联剂继续进行反应，反应结束后即得吸附型晶核早强剂，本发明能够使吸附型晶核早强剂能够加速水泥水化速率，提高硅酸盐水泥体系早期强度，并且具有较好的稳定性。
Adsorption type crystal nucleus early strength agent and preparation method thereof
一种吸附型晶核早强剂及其制备方法
ZHANG CHENGUANG (author) / DU ZHIQIN (author) / JIANG ZHIQIANG (author) / ZHU SUHUA (author) / DU WEIFENG (author) / WANG WENYIN (author) / XIA QIANG (author) / ZHU FUKUN (author) / FENG JIARUI (author) / CHEN GUOXIN (author)
2024-12-06
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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