A kind of early strength agent for concrete prefabricated parts and preparation method thereof
A technology of concrete prefabricated parts and early strength agents, applied in the field of early strength agents, can solve problems such as poor storage stability, achieve good dispersion, improve stability, and reduce the effect of agglomeration
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
preparation example Construction
[0040] The present invention also provides a kind of preparation method of early strength agent for prefabricated concrete, comprising:
[0041] Compound reaction of soluble calcium salt, soluble silicon salt, anionic dispersant, nonionic dispersant and thickener in aqueous solution to generate organic doped calcium silicate hydrate gel suspension, which is the early strong agent.
[0042] Specifically,
[0043] The soluble calcium salt, soluble silicon salt and thickener are respectively configured into aqueous solutions; wherein, the mass concentration of the soluble calcium salt solution is 50% to 70%, the mass concentration of the soluble silicon salt solution is 5% to 25%, and the thickener The mass concentration of the aqueous solution is 0.3% to 5%;
[0044] Add anionic dispersant, nonionic dispersant, thickener aqueous solution and water into the reaction vessel, set the preset reaction temperature and stirring rate; among them, the reaction vessel can be a three-nec...
Embodiment 1
[0049] The present invention provides a kind of preparation method of early strength agent for concrete prefabricated parts, comprising:
[0050] Weigh 50.0g calcium nitrate tetrahydrate and 50.0g water to make a 50.0% aqueous solution, weigh 15.0g sodium metasilicate and 85.0g water to make a 15.0% aqueous solution, weigh 1.0g Wenlun rubber and 99.0g water to make a into 1.0% aqueous solution;
[0051] Add 30.0g of anionic dispersant, 3.0g of nonionic dispersant, 3.0g of thickener solution and 58.0g of water in sequence in a 500ml three-necked flask, set the temperature at 60°C, and stir at 400rpm;
[0052] After stirring for 1 hour, add 84.6 g of calcium nitrate solution and 121.4 g of sodium silicate solution dropwise at the same time, keep stirring, and control the dropping speed so that the dropping time is 24 hours; strong agent.
Embodiment 2
[0054] The present invention provides a kind of preparation method of early strength agent for concrete prefabricated parts, comprising:
[0055] Weigh 66.0g calcium nitrate tetrahydrate and 34.0g water to configure a 66.0% aqueous solution, weigh 22.0g sodium metasilicate and 78.0g water to configure a 22.0% aqueous solution, weigh 1.0g Wenlun rubber and 99.0g water to configure into 1.0% aqueous solution;
[0056] Add 24.0g of anionic dispersant, 9.0g of nonionic dispersant, 3.0g of thickener solution and 142.9g of water in sequence in a 500ml three-necked flask, set the temperature at 40°C, and stir at 300rpm;
[0057]After stirring for 0.5h, add 75.1g of calcium nitrate solution and 46.0g of sodium silicate solution dropwise at the same time, keep stirring, and control the dropping speed so that the dropping time is 12h; continue stirring for 1h after dropping, and then slowly cool down to room temperature to obtain Early strengthening agent.
PUM
Property | Measurement | Unit |
---|---|---|
particle diameter | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com