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Anti-cracking mortar powder for thin plastering and leveling of inner walls and preparation method of anti-cracking mortar powder

An anti-cracking mortar and thin plastering technology, which is applied to the field of thin plastering and leveling anti-cracking mortar powder for interior walls and its preparation field, can solve the problem of mildewing of surface coatings and putty of interior walls, no quality control of on-site mixing ratio, and poor quality control. The performance of wet-mixed mortar is single and other problems, so as to avoid the abnormal state of the mortar, improve the construction feel, and avoid shrinkage and cracking.

Inactive Publication Date: 2019-06-07
JIANGSU NANTONG NO 2 CONSTR ENG GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Nowadays, the commonly used plastering products are gypsum-based leveling products. The existing problems are poor water resistance, low strength, and softening after absorbing water, which will lead to mildew, swelling and peeling of the interior wall surface paint and putty.
On the other hand, most of the leveling products routinely used today are on-site wet-mix mortars. The existing problems are that they are not environmentally friendly, the construction dust pollution is large, and the on-site mixing ratio has no quality control and low strength; and the wet-mix mortar has single performance and poor construction. , poor crack resistance

Method used

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  • Anti-cracking mortar powder for thin plastering and leveling of inner walls and preparation method of anti-cracking mortar powder
  • Anti-cracking mortar powder for thin plastering and leveling of inner walls and preparation method of anti-cracking mortar powder
  • Anti-cracking mortar powder for thin plastering and leveling of inner walls and preparation method of anti-cracking mortar powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1.1 Composition of thin plastering and leveling anti-cracking mortar powder for interior walls

[0022] Proportion by weight is composed of:

[0023]

[0024]

[0025] 1.2 Preparation method

[0026] Using integrated equipment and computer weighing and feeding, according to the description in 1.1, put the raw materials into 3m according to the proportion 3 In the mixing chamber, stir at a speed of 120 rpm for 180-240 seconds to mix evenly, and discharge the material after the stirring is completed.

[0027] 1.3 How to use

[0028] Put the inner wall thin plastering leveling anti-cracking mortar powder prepared in 1.2 and water in a container at a weight ratio of 4 to 4.5:1, stir with a hand-held electric mixer at a medium-low speed for 2 to 3 minutes, and then stop for 1 Minutes, and then stir for 1 to 2 minutes to mix the mortar. The mortar should be constructed within 2 hours. It should not be used when it is out of date, and no water or powder can be added i...

Embodiment 2

[0030] 2.1 Composition of thin plastering and leveling anti-cracking mortar powder for interior walls

[0031] Proportion by weight is composed of:

[0032]

[0033] 2.2 Preparation method

[0034] Using integrated equipment computer weighing and feeding, according to the 2.1, the raw materials are put into 3m according to the ratio 3 In the mixing chamber, stir at a speed of 120 rpm for 180-240 seconds to mix evenly, and discharge the material after the stirring is completed.

[0035] 2.3 How to use

[0036] Put the inner wall thin plastering leveling anti-cracking mortar powder prepared in 2.2 and water in a container at a weight ratio of 4 to 4.5:1, stir with a hand-held electric mixer at a medium-low speed for 2 to 3 minutes, and then stop for 1 Minutes, and then stir for 1 to 2 minutes to mix the mortar. The mortar should be constructed within 2 hours. It should not be used when it is out of date, and no water or powder can be added in the middle; the method of manu...

Embodiment 3

[0038] 3.1 Composition of thin plastering and leveling anti-cracking mortar powder for interior walls

[0039] Proportion by weight is composed of:

[0040]

[0041] 3.2 Preparation method

[0042] Using integrated equipment computer weighing and feeding, according to 3.1, the raw materials are put into 3m according to the ratio 3 In the mixing chamber, stir at a speed of 120 rpm for 180-240 seconds to mix evenly, and discharge the material after the stirring is completed.

[0043] 3.3 How to use

[0044] Put the inner wall thin plastering leveling anti-cracking mortar powder prepared in 3.2 and water in a container at a weight ratio of 4 to 4.5:1, stir with a hand-held electric mixer at a medium-low speed for 2 to 3 minutes, and then stop for 1 Minutes, and then stir for 1 to 2 minutes to mix the mortar. The mortar should be constructed within 2 hours. It should not be used when it is out of date, and no water or powder can be added in the middle; the method of manual b...

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Abstract

The invention relates to anti-cracking mortar powder for thin plastering and leveling of inner walls and a preparation method of the anti-cracking mortar powder. The anti-cracking mortar powder for thin plastering and leveling of inner walls is prepared from the following raw materials: in parts by weight, 17-25 parts of a cementing material, 0-10 parts of active filler, 0-5 parts of inert filler,70-75 parts of aggregate, 0.1-0.2 part of a water-retaining thickener, 0-0.8 part of an adhesive, 0-0.5 part of a binder, 0.2-0.3 part of a water-conducting thickener, 0.05-0.15 part of crack-resistant fiber, 0-0.5 part of a slipping agent and 0-0.1 part of a thixotropic agent. The mortar powder has good water resistance, high strength, no easy cracking, no indoor environmental pollution and goodworkability.

Description

technical field [0001] The invention belongs to the field of construction materials, and in particular relates to an interior wall thin plaster leveling anti-cracking mortar powder applied to the interior wall of a building and a preparation method thereof. Background technique [0002] After construction, the inner walls of the building are uneven and need to be leveled by plastering. Nowadays, the commonly used plastering products are gypsum-based leveling products. The existing problems are poor water resistance, low strength, and softening after absorbing water, which will lead to mildew, drumming and peeling of the interior wall surface paint and putty. On the other hand, most of the leveling products routinely used today are on-site wet-mix mortars. The existing problems are that they are not environmentally friendly, the construction dust pollution is large, and the on-site mixing ratio has no quality control and low strength; and the wet-mix mortar has single perform...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/02C04B111/34
Inventor 沈兵于泽波陈建年吕会勇朱爱华于成明
Owner JIANGSU NANTONG NO 2 CONSTR ENG GRP
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