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Preparation method of saltpetering-resistant cement colored decorative mortar

A decorative mortar and anti-efflorescence technology, which is applied in the direction of sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems that restrict the application and promotion of cement colored decorative mortar, the material is easy to return to alkali, and poor weather resistance, etc. Achieve maximum economic and environmental protection value, save construction time, and have good durability

Active Publication Date: 2021-02-09
GUIZHOU ZHENGHE AERATED CONCRETE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The soluble alkali in the mortar is the root cause of the efflorescence of the material. The cement color decorative mortar prepared by the above inventions and existing patents all has the problem of efflorescence, which will lead to problems such as easy return to alkali, easy fading, and poor weather resistance of the material. Seriously restricted the application and popularization of cement colored decorative mortar

Method used

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  • Preparation method of saltpetering-resistant cement colored decorative mortar
  • Preparation method of saltpetering-resistant cement colored decorative mortar
  • Preparation method of saltpetering-resistant cement colored decorative mortar

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A preparation method of anti-efflorescence cement colored decorative mortar, the main scheme of which is as follows:

[0036] Mix 200kg of cement, 120kg of heavy calcium carbonate, 450kg of river sand, 0.8kg of water reducer, 6kg of latex powder and 14kg of pigment and stir for 30 minutes under anhydrous conditions, then add 100kg of water, stir well and add 1.5kg of water repellent Potassium methyl silicate, 0.1kg hydroxypropyl methylcellulose, 0.2kg defoamer, after continuing to stir for 5 minutes, add 30kg modified lithium slag and 40kg gypsum powder, after stirring evenly, you can get the described anti-pan Alkali cement colored decorative mortar.

[0037] Described modified lithium slag is prepared according to the following method:

[0038]Mix 50kg of lithium slag, 0.1kg of triethanolamine, 0.1kg of triethylamine, 2.1g of cashew nut-based ionic liquid active agent and 0.1kg of acetonesulfonate formaldehyde condensate, add 70kg of water, mix and stir evenly, and t...

Embodiment 2

[0049] A preparation method of anti-efflorescence cement colored decorative mortar, the main scheme of which is as follows:

[0050] Mix 240kg of cement, 150kg of heavy calcium carbonate, 550kg of river sand, 1.4kg of water reducing agent, 9kg of latex powder and 20kg of pigment and stir for 45 minutes under anhydrous conditions, then add 150kg of water, stir well and add 2.5kg of water repellent Potassium methyl silicate, 0.2kg hydroxypropyl methylcellulose, 0.3kg defoamer, after continuing to stir for 8 minutes, add 70kg modified lithium slag and 50kg gypsum powder, and stir well to obtain the described anti-pan Alkali cement colored decorative mortar.

[0051] Described modified lithium slag is prepared according to the following method:

[0052] Mix 80kg of lithium slag, 0.3kg of triethanolamine, 0.3kg of triethylamine, 3.4g of cashew nut-based ionic liquid active agent and 0.3kg of acetonesulfonate formaldehyde condensate, add 90kg of water, mix and stir evenly, and tran...

Embodiment 3

[0063] A preparation method of anti-efflorescence cement colored decorative mortar, the main scheme of which is as follows:

[0064] Mix 300kg of cement, 180kg of heavy calcium carbonate, 600kg of river sand, 2.1kg of water reducer, 12kg of latex powder and 24kg of pigment and stir for 60 minutes under anhydrous conditions, then add 180kg of water, stir well and add 4.5kg of water repellent Potassium methyl silicate, 0.5kg hydroxypropyl methylcellulose, 0.4kg defoamer, after continuing to stir for 10min, add 100kg modified lithium slag and 60kg gypsum powder, after stirring evenly, you can get the described anti-pan Alkali cement colored decorative mortar.

[0065] Described modified lithium slag is prepared according to the following method:

[0066] Mix 100kg of lithium slag, 0.8kg of triethanolamine, 0.5kg of triethylamine, 5.8g of cashew nut-based ionic liquid active agent and 0.5kg of acetonesulfonate formaldehyde condensate, add 120kg of water, mix and stir evenly, and ...

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Abstract

The invention relates to the field of preparation of building materials, in particular to a preparation method of saltpetering-resistant cement colored decorative mortar. According to the invention, the modified lithium slag and the modified melamine water reducing agent are added into the cement-based colored decorative mortar, so that the saltpetering phenomenon of the material can be effectively prevented, and the decorative mortar with no saltpetering and good mechanical properties and constructability is prepared; the cement color decorative mortar is high in adhesive strength with a baselayer, various in color and shape and capable of meeting the aesthetic requirements of different groups; the mortar is convenient to apply and allows smearing, rooling and even spray coating operation, so that the construction time is saved, and particularly, compared with ceramic tiles, the advantages are larger at internal and external corners and other difficult-to-construct parts; in addition, the mortar has great durability, and the phenomena of hollowing and peeling are avoided; the manufacturing cost and the production energy consumption are very low, and the economic and environment-friendly values are higher.

Description

technical field [0001] The invention relates to the field of building material preparation, in particular to a method for preparing anti-pan-alkali cement colored decorative mortar. Background technique [0002] Cement-based colored decorative mortar has many advantages such as stable performance, safety and durability, convenient construction and green environmental protection, and has become the future development direction of my country's building wall decoration materials. [0003] CN107640925A discloses a MH series non-cement-based colored decorative mortar and its processing technology, which belongs to the technical field of processing new decorative materials. It mainly includes the following components per unit volume: quartz sand 52-58kg, ash calcium powder 8-12kg, heavy calcium carbonate 9-18kg, light calcium carbonate 6-8kg, rubber powder 25-40kg, flame retardant 0.5- 1kg, thixotropic lubricant 0.35~0.45kg, pigment 0~3kg, antifreeze 0.1~0.6kg. The beneficial ef...

Claims

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Application Information

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IPC IPC(8): C04B28/16C08G12/40C08G12/38C04B18/14C04B20/02C04B24/16C04B111/82C04B111/20
CPCC04B28/16C08G12/40C08G12/38C04B18/144C04B20/023C04B24/166C04B2111/82C04B2111/2023C04B7/32C04B7/02C04B14/28C04B14/068C04B24/2623C04B14/308C04B22/002C04B24/42C04B24/383C04B2103/50Y02W30/91
Inventor 李荣竹吴尤嘉
Owner GUIZHOU ZHENGHE AERATED CONCRETE CO LTD
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