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A kind of efflorescence-resistant color caulking mortar for prefabricated exterior wall panels integrated with structural decoration and thermal insulation

A prefabricated, exterior wall panel technology, which is applied in the field of construction mortar and anti-efflorescence color joint mortar, can solve the problems affecting the overall appearance of the building, pollution of exterior wall facing tiles, white spots or plaques, etc. Water function, good decorative effect, effect of improving compactness

Active Publication Date: 2021-03-02
湖南固特邦土木科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current caulking mortar is prone to efflorescence after being eroded by rainwater during use, and white spots or plaques will appear locally, and the exterior wall facing tiles are seriously polluted, which seriously affects the overall appearance of the building.

Method used

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  • A kind of efflorescence-resistant color caulking mortar for prefabricated exterior wall panels integrated with structural decoration and thermal insulation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031]Example 1: 30 parts of P.W2 42.5 grade white cement, 53 parts of 100-120 mesh quartz sand, 12 parts of silica fume powder (0.2 μm), 2 parts of diatomite, 0.1 part of melamine superplasticizer, styrene and 1 part of butadiene copolymer rubber powder, 0.1 part of hydroxyethyl methylcellulose, 0.1 part of lubricant (L-rhamnose: D-galactose = 4:6), anti-pantherine agent (hydroxyl-terminated polymethyl Phenyl siloxane: nano silicon dioxide = 2:8) 0.3 parts, sodium silicate 1 part, iron black 0.4 parts, mix the above raw materials, add water and stir evenly.

Embodiment 2

[0032] Example 2: 32 parts of P.W2 42.5 grade white cement, 50 parts of 100-120 mesh quartz sand, 9 parts of silica fume powder (0.2 μm), 3 parts of diatomaceous earth, 0.5 parts of melamine superplasticizer, styrene and 2 parts of butadiene copolymer rubber powder, 0.2 part of hydroxyethyl methylcellulose, 0.1 part of lubricant (L-rhamnose: D-galactose = 4:6), anti-pantherine agent (hydroxyl-terminated polymethyl Phenylsiloxane: nano silicon dioxide = 3:7) 0.3 parts, sodium silicate 2 parts, iron black 0.9 parts, mix the above raw materials, add water and stir evenly.

Embodiment 3

[0033] Example 3: 35 parts of P.W2 42.5 grade white cement, 43 parts of 80-100 mesh quartz sand, 10 parts of silica fume powder (0.1 μm), 5 parts of diatomaceous earth, 1.0 part of melamine superplasticizer, acrylate and 1 part of styrene copolymer rubber powder, 0.3 part of hydroxypropyl methylcellulose, 0.05 part of lubricant (L-rhamnose: D-galactose = 3:7), anti-pantherine agent (hydroxyl-terminated polyethylbenzene Base siloxane: nano silicon dioxide = 4:6) 0.5 parts, sodium silicate 3 parts, iron black 1.2 parts, mix the above raw materials, add water and stir evenly.

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Abstract

The invention discloses an anti-pan-alkaline colored joint-filling mortar used for an assembled exterior wall board integrated with structural decoration and heat preservation. The mortar includes white cement, redispersible latex powder, silica fume powder, superplasticizer, anti-efflorescence agent, silicate and other components, which utilizes the bonding and filling functions of redispersible latex powder, silica fume powder The filling effect on the pores of cement particles, the water-reducing mechanism of superplasticizers, the hydrophobic and alkali-inhibiting effects of anti-efflorescence agents, and the ability of silicates to form gels with calcium ions in cement to fill pore channels and enhance the compactness of mortar , to reduce calcium ion precipitation on the surface of the mortar to achieve the purpose of synergistically preventing mortar efflorescence. The mortar can be prefabricated synchronously with the assembled exterior wall panels. It has excellent anti-efflorescence performance, good hydrophobicity, strong adhesion, and beautiful colors. , Simple construction, environmental protection, etc., make the overall color of the prefabricated exterior wall tiles stable, the decorative effect is durable, and can withstand wind and rain without pan-alkali or discoloration.

Description

technical field [0001] The invention relates to a building mortar, in particular to an anti-pan-alkaline colored joint filling mortar used for an assembled exterior wall panel with integrated structural decoration and heat preservation, and belongs to the technical field of building materials. Background technique [0002] Exterior wall tiles are a kind of inorganic silicate decorative materials. It has certain hardness and strength, and the color is relatively smooth and easy to clean. Because of this, the building exterior wall finishes using ceramic tiles have been widely used. The caulking materials used are basically the caulking mortar produced by mechanical mixing of cement glue, fine aggregate, water repellent and other admixtures, which are easy to pulverize and fall off, and are easy to return to alkali during use and dirty tiles , so that the effect of smooth exterior wall tile finishes is greatly reduced. [0003] In recent years, my country's construction field...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B24/10C04B24/42
CPCC04B28/04C04B40/0039C04B2103/603C04B2111/00672C04B2111/27C04B2111/82C04B14/06C04B18/146C04B18/08C04B24/2676C04B2103/302C04B24/10C04B24/42C04B14/062C04B24/383C04B12/04C04B14/308C04B24/2641
Inventor 彭杰单韧刘木林胡铁刚
Owner 湖南固特邦土木科技发展有限公司
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