A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Preparation method of controllable nano hydrated calcium silicate early strength agent, nano hydrated calcium silicate early strength agent and application of nano hydrated calcium silicate early strength agent
The invention discloses a controllable nano hydrated calcium silicate early strength agent and a preparation method thereof.The preparation method comprises the steps that firstly, a dispersing agent solution with a certain concentration is prepared, the pH value is adjusted to 10.0-13.0 with sodium hydroxide, the solution is stirred in a high-speed shearing mode, soluble calcium source solutions and soluble silicon source solutions with different concentrations are dropwise added in the stirring process, stirring is conducted at the temperature of 20-30 DEG C, and then a mixture is obtained; and adding a reaction terminator after reacting for 30 minutes to 2 hours, thereby obtaining the nano calcium silicate hydrate early strength agent suspension with controllable and adjustable size and early strength effect. Compared with the prior art, the preparation process is simple, the size of the nano calcium silicate hydrate is controllable and adjustable, the early strength effect is controllable and adjustable, and the early strength agent suspension is good in stability and dispersity.
本发明公开一种可控型纳米水化硅酸钙早强剂及其制备方法，首先制备一定浓度的分散剂溶液，用氢氧化钠调节pH值至10.0‑13.0，通过高速剪切的方式对溶液进行搅拌，搅拌过程中滴入不同浓度的可溶性钙源和可溶性硅源溶液，反应30mi n‑2h后加入反应终止剂，即可得到尺寸和早强效果均可控可调的纳米水化硅酸钙早强剂悬浮液。与现有技术相比，制备过程简单，纳米水化硅酸钙的尺寸可控可调，早强效果可控可调，早强剂悬浮液稳定性好，分散性好。
Preparation method of controllable nano hydrated calcium silicate early strength agent, nano hydrated calcium silicate early strength agent and application of nano hydrated calcium silicate early strength agent
The invention discloses a controllable nano hydrated calcium silicate early strength agent and a preparation method thereof.The preparation method comprises the steps that firstly, a dispersing agent solution with a certain concentration is prepared, the pH value is adjusted to 10.0-13.0 with sodium hydroxide, the solution is stirred in a high-speed shearing mode, soluble calcium source solutions and soluble silicon source solutions with different concentrations are dropwise added in the stirring process, stirring is conducted at the temperature of 20-30 DEG C, and then a mixture is obtained; and adding a reaction terminator after reacting for 30 minutes to 2 hours, thereby obtaining the nano calcium silicate hydrate early strength agent suspension with controllable and adjustable size and early strength effect. Compared with the prior art, the preparation process is simple, the size of the nano calcium silicate hydrate is controllable and adjustable, the early strength effect is controllable and adjustable, and the early strength agent suspension is good in stability and dispersity.
本发明公开一种可控型纳米水化硅酸钙早强剂及其制备方法，首先制备一定浓度的分散剂溶液，用氢氧化钠调节pH值至10.0‑13.0，通过高速剪切的方式对溶液进行搅拌，搅拌过程中滴入不同浓度的可溶性钙源和可溶性硅源溶液，反应30mi n‑2h后加入反应终止剂，即可得到尺寸和早强效果均可控可调的纳米水化硅酸钙早强剂悬浮液。与现有技术相比，制备过程简单，纳米水化硅酸钙的尺寸可控可调，早强效果可控可调，早强剂悬浮液稳定性好，分散性好。
Preparation method of controllable nano hydrated calcium silicate early strength agent, nano hydrated calcium silicate early strength agent and application of nano hydrated calcium silicate early strength agent
一种可控型纳米水化硅酸钙早强剂的制备方法、纳米水化硅酸钙早强剂及其应用
FANG YANFENG (author) / ZHANG LIMIN (author) / TONG YU (author) / DING XIANGQUN (author) / HUI YIXIN (author) / YAO SHUHONG (author)
2022-05-13
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Two-dimensional nano hydrated calcium silicate early strength agent and preparation method thereof
| European Patent Office | 2022
| European Patent Office | 2021
| European Patent Office | 2023
| European Patent Office | 2023
| European Patent Office | 2022