Preparation method of early-strength micro-expansion grouting material
A grouting material and micro-expansion technology, applied in the field of building materials, can solve the problems of poor bonding strength and stability, insufficient strength, and slurry shrinkage, etc., and achieve good volume stability, excellent bonding performance, and enhanced adhesion. The effect of knot strength
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
example 1
[0028]Weigh blast furnace slag, red mud, kaolin and hydrotalcite respectively by mass ratio 5:2:2:1, add in pulverizer and pulverize and sieve to obtain mixed powder, count parts by weight, choose 40 parts of mixed powder, 5 parts respectively 1 part of carbon black, 3 parts of hydroxypropyl methylcellulose and 100 parts of water were mixed, stirred and mixed at 150r / min for 2 hours, and the slurry obtained after mixing was component 1; according to the mass ratio of 3:2, weigh Add potato starch and deionized water into a three-necked flask, put the three-necked flask into a water bath, and raise the temperature to 80°C, stir and mix for 20 minutes, then add 5% potato starch and 30% hydrogen peroxide dropwise to the three-necked flask to control the dropping rate 2g / min, after dripping, keep stirring and react for 1h, reduce the temperature of the water bath to 50°C after the reaction, add 0.5% borax by potato starch mass and 8% polyvinyl alcohol solution by mass fraction 30% b...
example 2
[0031] Weigh blast furnace slag, red mud, kaolin and hydrotalcite respectively by mass ratio 5:2:2:1, add in pulverizer and pulverize and sieve to obtain mixed powder, count parts by weight, choose 50 parts of mixed powder, 7 parts respectively 1 part of barium carbonate, 5 parts of hydroxypropyl methylcellulose and 120 parts of water were mixed, stirred and mixed at 200r / min for 3 hours, and the slurry obtained after mixing was component 1; according to the mass ratio of 3:2, weighed Add potato starch and deionized water into a three-necked flask, put the three-necked flask into a water bath, and raise the temperature to 90°C, stir and mix for 30 minutes, then add 7% of potato starch and 30% hydrogen peroxide dropwise to the three-necked flask to control the dropping rate 3g / min, after dripping, keep stirring and react for 2h, reduce the temperature of the water bath to 60°C after the reaction, add 0.8% borax of potato starch quality and 8% polyvinyl alcohol solution of 50% of...
example 3
[0034] Take blast furnace slag, red mud, kaolin and hydrotalcite respectively by mass ratio 5:2:2:1, add in pulverizer and sieve to obtain mixed powder after pulverizing, by weight, choose 45 parts of mixed powder, 6 parts respectively 1 part of sodium bicarbonate, 4 parts of hydroxypropyl methylcellulose and 110 parts of water were mixed, stirred and mixed at a speed of 175r / min for 2.5h, and the slurry obtained after mixing was component 1; according to the mass ratio of 3:2, respectively Weigh potato starch and deionized water into a three-necked flask, put the three-necked flask into a water bath, and raise the temperature to 85°C, stir and mix for 25 minutes, then add potato starch mass fraction 30% hydrogen peroxide dropwise to the three-necked flask, control The dropping rate is 2g / min. After the dropping, keep stirring and react for 1.5h. After the reaction, lower the temperature of the water bath to 55°C. Add 0.7% borax by mass of potato starch and 8% polyvinyl alcohol...
PUM
Property | Measurement | Unit |
---|---|---|
compressive strength | aaaaa | aaaaa |
compressive strength | aaaaa | aaaaa |
stone rate | 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