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Polymer repairing mortar and preparation method thereof

A technology for repairing mortar and polymers, which is applied in the field of articles and their preparation, and can solve problems such as inconvenient use, cracking, and adverse effects

Inactive Publication Date: 2015-08-19
浙江泰正建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, some existing polymer repair mortars are inconvenient to use, and due to the ingredients of the formula, they will crack after a long time, causing adverse effects

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of polymer repair mortar, its raw material composition and components are as follows: 400 parts of cement, 500 parts of quartz sand, 1 part of cellulose ether, 5 parts of redispersible latex powder, 1 part of silica fume, 0.1 part of wood fiber. Put it into a mixer and stir evenly to obtain polymer repair mortar.

[0020] The polymer repair mortar prepared according to the above specifications has been tested for its basic properties: 1d compressive strength is greater than or equal to 15MPa, 3d compressive strength is greater than or equal to 35MPa, bonding strength is greater than or equal to 2.0MPa, and flexural strength is greater than or equal to 7MPa .

Embodiment 2

[0022] A kind of polymer repairing mortar, its raw material composition and components are as follows: 450 parts of cement, 550 parts of quartz sand, 2 parts of cellulose ether, 10 parts of redispersible latex powder, 2 parts of micro silica fume, 0.2 part of wood fiber. Put it into a mixer and stir evenly to obtain polymer repair mortar.

[0023] The polymer repair mortar prepared according to the above specifications has been tested for its basic properties: 1d compressive strength is greater than or equal to 20MPa, 3d compressive strength is greater than or equal to 40MPa, bonding strength is greater than or equal to 2.5MPa, and flexural strength is greater than or equal to 8MPa .

Embodiment 3

[0025] A kind of polymer repair mortar, its raw material components and components are as follows: 500 parts of cement, 600 parts of quartz sand, 5 parts of cellulose ether, 15 parts of redispersible latex powder, 5 parts of micro silica fume, 0.3 part of wood fiber. Put it into a mixer and stir evenly to obtain polymer repair mortar.

[0026] The polymer repair mortar prepared according to the above specifications has been tested for its basic properties: 1d compressive strength is greater than or equal to 25MPa, 3d compressive strength is greater than or equal to 45MPa, bonding strength is greater than or equal to 3.0MPa, and flexural strength is greater than or equal to 10MPa .

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Abstract

The invention discloses a polymer repairing mortar. The polymer repairing mortar comprises 400-500 parts of cement, 500-600 parts of quartz sand, 1-5 parts of a high-molecular polymer, 5-15 parts of a polymer, 1-5 parts of silicon micropowder and 0.1-0.3 parts of wood fiber, wherein the high-molecular polymer is cellulose ether, and the polymer is re-dispersible latex powder. The purpose of the invention is to provide the polymer repairing mortar with the characteristic of long service life and no cracking, and a preparation method thereof.

Description

technical field [0001] The present invention relates to a kind of article commonly used in construction and its preparation method, more specifically, it relates to a kind of polymer repair mortar and its preparation method. Background technique [0002] Polymer repair mortar is a high-strength inorganic adhesive specially developed for ordinary cement mortar that is not suitable as a protective layer of thermal insulation materials. It can replace various organic adhesives and greatly improve the quality of thermal insulation systems. [0003] Polymer repair mortar is a new type of concrete repair mortar that has both the adhesiveness of polymer materials and the durability of inorganic materials; it has high compressive strength, rapid curing, and good bonding performance; it has good water retention and resistance Cracking, high alkali resistance, UV resistance; easy to operate, wet base construction, healthy and environmentally friendly. The construction steps become si...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B14/06C04B24/38
Inventor 何宏伟陈樟荣
Owner 浙江泰正建材有限公司
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