Reinforced type plastering mortar

A technology of plastering mortar and quartz stone sand, which is applied in the field of building materials, can solve problems such as cracking and falling off of the external insulation system, hollowing of the external insulation layer, and large amount of cement, so as to reduce the effective force-bearing area, smooth the scraping, The effect of impermeability improvement

Inactive Publication Date: 2017-05-31
新昌县永佳耐火材料厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As the plastered external wall thermal insulation system is more and more valued by people, the plastering mortar, which is one of the important parts of the external wall thermal insulation system, is also constantly being developed and developed, but the plastering mortar in the prior art still has the following disadvantages : 1. If there is no vertical moisture-proof layer near the outer wall of the room with water in the building, the outer insulation layer will be partially hollowed out and fall off due to the freeze-thaw cycle; 2. The ordinary quartz sand in the aggregate has a high iron content and is easy to Oxidation causes the external insulation system to crack and fall off; 3. The amount of cement is large, the folding ratio is large, the surface layer is easy to crack, and there are potential safety hazards

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] An enhanced plastering mortar in an embodiment of the present invention includes the following raw materials in parts by weight:

[0018] 20 parts of Portland cement, 1 part of superfine calcium carbonate, 50 parts of quartz sand, 5 parts of wollastonite powder, 1 part of expanded polytetrafluoroethylene, 0.01 part of glycol ether, 0.1 part of dispersant, synergist 0.02 parts, film-forming base material 0.1 parts.

[0019] The Portland cement is 42.5R.

[0020] The quartz sand is 200 mesh.

[0021] The wollastonite powder is a 50 μm particle.

[0022] The dispersant includes sodium tripolyphosphate.

[0023] The synergist includes a mixture of diethylaminosulfur trifluoride and bis(2-methoxyethyl)aminosulfur trifluoride, and the component ratio is 1:1.

[0024] The film-forming base material includes organic silicon monomer polymerization emulsion, silicone acrylic emulsion, elastic emulsion, polylactic acid fiber, and its component ratio is 1:1:1:1.

[0025] The v...

Embodiment 2

[0027] An enhanced plastering mortar according to an embodiment of the present invention comprises the following raw materials in parts by weight:

[0028] 25 parts of Portland cement, 5 parts of superfine calcium carbonate, 65 parts of quartz sand, 8 parts of wollastonite powder, 2 parts of expanded polytetrafluoroethylene, 0.03 part of glycol ether, 0.2 part of dispersant, synergist 0.05 parts, film-forming base material 0.15 parts.

[0029] The Portland cement is 42.5R.

[0030] The quartz sand is 300 mesh.

[0031] The wollastonite powder is a 100 μm particle.

[0032] The dispersant includes sodium hexametaphosphate.

[0033] The synergist includes butyl triphenylphosphine fluoride and tetrabutyl phosphine fluoride, and the composition ratio thereof is 1:1.

[0034] Preferably, the film-forming base material includes pure acrylic emulsion, styrene-acrylic emulsion, acrylic ester, and polylactic acid fiber, and the component ratio thereof is 1:1:1:1.

[0035] The visc...

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Abstract

The invention belongs to the technical field of building materials, and provides a reinforced type plastering mortar. The reinforced type plastering mortar is prepared from the following raw materials in parts by weight: 20 to 25 parts of silicate cement, 1 to 5 parts of superfine calcium carbonate, 50 to 65 parts of quartz sand, 5 to 8 parts of wollastonite powder, 1 to 2 parts of foamed polytetrafluoroethylene, 0.01 to 0.03 part of glycol ether, 0.1 to 0.2 part of dispersant, 0.02 to 0.05 part of synergist and 0.1 to 0.15 part of film-forming base material. The reinforced type plastering mortar has the beneficial effects and characteristics that the heat preservation and heat insulation properties are good, the anti-seepage and anti-cracking properties are good, the adhering strength is high, the wind pressure-resistant property is realized, the freezing and melting-resistant property is realized, and the like.

Description

technical field [0001] The invention belongs to the technical field of building materials, in particular to a reinforced plastering mortar. Background technique [0002] Plastering mortar refers to the mortar applied on the surface of buildings or building components, which can protect the base layer and increase the appearance. As the plastered external wall thermal insulation system is more and more valued by people, the plastering mortar, which is one of the important parts of the external wall thermal insulation system, is also constantly being developed and developed, but the plastering mortar in the prior art still has the following disadvantages : 1. If there is no vertical moisture-proof layer near the outer wall of the room with water in the building, the outer insulation layer will be partially hollowed out and fall off due to the freeze-thaw cycle; 2. The ordinary quartz sand in the aggregate has a high iron content and is easy to Oxidation causes cracking and fa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04
CPCC04B28/04C04B2111/00482
Inventor 傅小娟
Owner 新昌县永佳耐火材料厂
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