Waterproof and anti-crack outer wall putty powder and preparation method thereof
A technology of exterior wall putty and exterior wall, which is applied in the direction of filling slurry, etc., can solve the problems of not being able to attach to the wall surface normally, poor quality of putty powder, and powdering of the surface layer, and achieve smooth and delicate appearance, strong adhesion, The effect of improving weather resistance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0021] A waterproof and anti-crack exterior wall putty powder, comprising the following raw materials: talc powder 66g, attapulgite clay 15g, heavy calcium carbonate 16g, sodium bentonite 5g, calcium oxide 7g, anhydrous calcium sulfate 6g, polyacrylamide 2g, 1.5g of sodium carboxymethyl cellulose, 3g of fly ash, 0.2g of pure iron powder, 0.6g of water-repellent sodium methyl siliconate. Heavy calcium carbonate is selected from 200-300 mesh calcite fine powder.
[0022] The preparation method of the above-mentioned waterproof and anti-crack exterior wall putty powder comprises the following steps:
[0023] (1) Acidification of attapulgite clay: Take attapulgite clay, add 16wt% hydrochloric acid solution dropwise to pH 3.6, heat to 45°C, stir for 26min, filter and dry the filter cake at 50°C until the water content is less than 5 %, through a 200-300 mesh sieve to obtain acidified attapulgite clay.
[0024] (2) Mix and stir talcum powder, heavy calcium carbonate, sodium benton...
Embodiment 2
[0027] A waterproof and anti-crack exterior wall putty powder, comprising the following raw materials: 70g of talcum powder, 15g of attapulgite clay, 13g of heavy calcium carbonate, 5g of sodium bentonite, 8g of calcium oxide, 6g of anhydrous calcium sulfate, polyacrylamide 3g, 1.2g of sodium carboxymethylcellulose, 3g of fly ash, 0.3g of pure iron powder, and 0.6g of water-repellent polysiloxane powder. Heavy calcium carbonate is selected from 200-300 mesh calcite fine powder.
[0028] The preparation method of the above-mentioned waterproof and anti-crack exterior wall putty powder comprises the following steps:
[0029] (1) Acidification of attapulgite clay: Take attapulgite clay, add 15wt% hydrochloric acid solution dropwise to pH 4.2, heat to 48°C, stir for 22min, filter and dry the filter cake at 53°C until the water content is less than 5 %, through a 200-300 mesh sieve to obtain acidified attapulgite clay.
[0030] (2) Mix and stir talcum powder, heavy calcium carbon...
Embodiment 3
[0033] A waterproof and anti-crack exterior wall putty powder, comprising the following raw materials: 77g talcum powder, 20g attapulgite clay, 16g heavy calcium carbonate, 6g sodium bentonite, 7g calcium oxide, 9g anhydrous calcium sulfate, polyacrylamide 3g, 2.5g of sodium carboxymethyl cellulose, 4g of fly ash, 0.4g of pure iron powder, and 0.7g of water-repellent sodium methyl siliconate. Heavy calcium carbonate is selected from 200-300 mesh calcite fine powder.
[0034] The preparation method of the above-mentioned waterproof and anti-crack exterior wall putty powder comprises the following steps:
[0035] (1) Acidification of attapulgite clay: take attapulgite clay, add 18wt% hydrochloric acid solution dropwise to pH 4.6, heat to 50°C, stir for 20min, filter and dry the filter cake at 60°C until the water content is less than 5 %, through a 200-300 mesh sieve to obtain acidified attapulgite clay.
[0036] (2) Mix and stir talcum powder, heavy calcium carbonate, sodium ...
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