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Special polymer dry-mixed mortar for mechanized construction

A dry-mixed mortar and polymer technology, applied in the field of plastering mortar, can solve the problems of impact resistance, toughness and waterproof and breathable performance not meeting design requirements, affecting construction quality, poor bonding performance, etc., and achieving good and rapid growth. Thickening ability, improve adhesion, increase the effect of modification

Inactive Publication Date: 2015-01-07
MENGCHENG YIDING BUILDING MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of traditional mortar has poor bonding performance and is easy to break after plastering. The impact resistance, toughness and waterproof and breathable performance cannot meet the design requirements, which affects the construction quality.

Method used

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  • Special polymer dry-mixed mortar for mechanized construction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Component Weight ratio

[0015] Natural sand: 80%

[0016] Cement: 15%

[0017] Fly ash: 5%

[0018] Thixotropic lubricant 0.17%

[0019] Hydroxypropyl Methyl Cellulose HPMC 0.1%

[0020] Polypropylene fiber 0.03%

[0021] 28 days strength 5.5MP

Embodiment 2

[0023] Component Weight ratio

[0024] Natural sand 80%

[0025] Cement 15%

[0026] Fly Ash 5%

[0027] Air-entraining agent 0.035%

[0028] Hydroxypropyl methylcellulose HPMC 0.055%

[0029] Polypropylene fiber 0.003%

[0030] 28 days strength 4.2MP

Embodiment 3

[0032] Component Weight ratio

[0033] Natural sand 78.5%

[0034] Cement 16%

[0035] Fly Ash 5.5%

[0036] Thixotropic lubricant 0.17%

[0037] Hydroxypropyl Methyl Cellulose HPMC 0.1%

[0038] Polypropylene fiber 0.003%

[0039] 28 days strength 9.8MP

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Abstract

The invention discloses special polymer dry-mixed mortar for mechanized construction. The dry-mixed mortar is mainly prepared from natural sand, cement, pulverized fuel ash and starch ether according to a certain weight ratio. The materials do not contain any toxic or harmful substance, and the dry-mixed mortar has the characteristics of light weight, high adhesive force, seamlessness, hollowing avoidance, cracking resistance, pulverization resistance, high waterproof permeability, impact resistance, high toughness and convenience in construction and is a non-toxic, pollution-free and environment-friendly decorative material.

Description

technical field [0001] The invention relates to a plastering mortar, specifically a polymer dry-mixed mortar. Background technique [0002] Dry-mixed mortar is the main material used in construction projects. At present, most of the dry-mixed mortars used by construction companies are mixed with acrylate or aldehyde organic substances added to cement. This kind of traditional mortar has poor bonding performance and is easy to break after plastering. The impact resistance, toughness and waterproof and breathable performance cannot meet the design requirements, which affects the construction quality. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned defects and provide a special polymer dry-mixed mortar for mechanized construction to improve the adhesive performance, impact resistance, toughness and waterproof performance of the mortar, improve the construction quality and meet the design requirements. [0004] The sc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B24/38C04B16/06
Inventor 任军段瑞然
Owner MENGCHENG YIDING BUILDING MATERIAL CO LTD
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