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Waterproof putty for internal wall and manufacturing method

A water-resistant putty and interior wall technology, applied in the direction of filling slurry, etc., can solve the problems of difficult to meet the requirements of bond strength, water resistance and crack resistance, and achieve improved crack resistance, enhanced bonding lightness, and reduced putty cost effect

Inactive Publication Date: 2016-05-11
吕凤荣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Among the above-mentioned interior wall putty, it is difficult to meet the requirements in terms of bond strength, water resistance and crack resistance, and further improvement is needed

Method used

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  • Waterproof putty for internal wall and manufacturing method

Examples

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Comparison scheme
Effect test

Embodiment 1

[0026] Example 1 Water-resistant putty for interior walls, take the following raw materials (5.5kg / part) in parts by weight: 11 parts of calcium lime powder; 5 parts of limestone; 4 parts of aluminum tripolyphosphate; 3 parts of polyurethane; 1.3 parts of lignin fiber; 6 parts of aluminum; 3 parts of sodium nitrite; 5 parts of corn starch.

[0027] The preparation method of water-resistant putty for interior wall is:

[0028] (1) Mix lime calcium powder and limestone in a ball mill, crush them, and pass through a 350-mesh sieve to obtain a mixed fine powder for later use;

[0029] (2) Add polyurethane, aluminum tripolyphosphate, antifungal agent (isothiazolinone with a mass fraction of 0.1%) and dispersant (stearamide with a mass fraction of 0.8%) to the agitator at a speed of 120r / min Stir at high speed for 12 minutes, then add 1.12 times pure water, slowly heat up to 130°C while stirring, react for 30 minutes, cool to 50°C, add aluminum sulfate, sodium nitrite and defoamer ...

Embodiment 2

[0032] Example 2 Water-resistant putty for interior walls, take the following raw materials (3.5kg / part) in parts by weight: 15 parts of calcium lime powder; 10 parts of limestone; 8 parts of aluminum tripolyphosphate; 7 parts of polyurethane; 3.5 parts of lignin fiber; 9 parts of aluminum; 5 parts of sodium nitrite; 7 parts of corn starch.

[0033] The preparation method of water-resistant putty for interior wall is:

[0034] (1) Mix lime calcium powder and limestone in a ball mill, crush them, and pass through a 450-mesh sieve to obtain a mixed fine powder for later use;

[0035] (2) Add polyurethane, aluminum tripolyphosphate, antifungal agent (isothiazolinone with a mass fraction of 0.1%) and dispersant (stearamide with a mass fraction of 0.8%) to the agitator at a speed of 180r / min Stir at high speed for 20 minutes, then add 1.26 times pure water, slowly heat up to 150°C while stirring, react for 40 minutes, cool to 70°C, add aluminum sulfate, sodium nitrite and defoamer...

Embodiment 3

[0038] Example 3 Water-resistant putty for interior walls, take the following raw materials in parts by weight (5kg / part): 12 parts of calcium lime powder; 6.5 parts of limestone; 5 parts of aluminum tripolyphosphate; 4 parts of polyurethane; 2.0 parts of lignin fiber; 7 parts; 3.5 parts of sodium nitrite; 5.5 parts of corn starch.

[0039] The preparation method of water-resistant putty for interior wall is:

[0040] (1) Mix lime calcium powder and limestone in a ball mill, crush them, and pass through a 380-mesh sieve to obtain a mixed fine powder for later use;

[0041] (2) Add polyurethane, aluminum tripolyphosphate, antifungal agent (isothiazolinone with a mass fraction of 0.1%) and dispersant (stearamide with a mass fraction of 0.8%) to the agitator at a speed of 130r / min Stir at high speed for 14 minutes, then add 1.16 times pure water, slowly heat up to 135°C while stirring, react for 32 minutes, cool to 55°C, add aluminum sulfate, sodium nitrite and defoamer (0.3% em...

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Abstract

The invention discloses waterproof putty for an internal wall. The waterproof putty is prepared from the following raw materials in parts by weight: 11 to 15 parts of ash calcium powder, 5 to 10 parts of calcium carbonate, 4 to 8 parts of aluminum triphosphate, 3 to 7 parts of polyurethane, 1.3 to 3.5 parts of lignin fiber, 6 to 9 parts of aluminum sulfate, 3 to 5 parts of sodium nitrite and 5 to 7 parts of corn starch. The waterproof putty disclosed by the invention has the excellent effects that the used raw materials of the waterproof putty are properly matched, not only is the cost of the waterproof putty reduced to a certain degree and is the cracking resistance of the waterproof putty improved, but also the water absorption amount of the waterproof putty is reduced, and the water resistance of the waterproof putty is increased.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a water-resistant putty for interior walls and a preparation method thereof. Background technique [0002] Putty is a material for filling and leveling the construction surface before the construction of the decorative wall or plate surface. The main purpose is to fill the pores of the construction surface and correct the curve deviation of the construction surface, so as to obtain a uniform and smooth surface layer. Base. Interior wall putty is a surface filling material for pretreatment of the construction surface before paint construction. The main purpose is to fill the pores of the construction surface and correct the curve deviation of the construction surface, laying a good foundation for obtaining a uniform and smooth paint surface. Water-resistant putty is a substitute for ordinary putty. It has the characteristics of high bonding strength, certain toughness and good a...

Claims

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Application Information

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IPC IPC(8): C09D5/34
CPCC09D5/34
Inventor 不公告发明人
Owner 吕凤荣
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