Insulated crack-resistant protective light dry mortar for external thermal insulation of exterior wall and preparation method thereof

A technology for external wall thermal insulation and dry powder mortar is applied in the field of building exterior wall materials, which can solve the problems of easy cracking and durability of plastering mortar.

Active Publication Date: 2014-06-18
西安德耐节能科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a light-weight dry powder mortar for heat insulation and anti-crack protection for external thermal insulation of extern

Method used

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  • Insulated crack-resistant protective light dry mortar for external thermal insulation of exterior wall and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0025] The method for preparing the above-mentioned dry mortar includes the following steps:

[0026] step 1:

[0027] First, weigh the following raw materials according to mass percentage: 25%-35% Portland cement, 15%-25% vitrified beads with a particle size of 0.5mm-5mm, 8%-15% 300-1250 mesh quartz powder, 5%-10% fly ash float beads with a particle size of 50μm-200μm, 1%-5% 40-350 mesh perlite, 5%-15% 10-150 mesh rubber particles, 3%-10% particle size 0.02μm-100μm metakaolin, 1.0%-1.5% German Wacker 5048H flexible water-increasing glue powder, 0.1%-0.3% polycarboxylic acid water reducing agent, 0.2%-0.5% polyacrylonitrile fiber, 0.2%-0.4% Hydroxypropyl methylcellulose, the sum of the mass percentages of the above components is 100%;

[0028] Step 2:

[0029] Portland cement, fly ash float beads weighed in step 1, Germany Wacker 5048H flexible water-increasing rubber powder, quartz powder, perlite, rubber particles, metakaolin, polyacrylonitrile fiber, hydroxypropyl methyl fiber P...

Example Embodiment

[0033] Example 1

[0034] step 1:

[0035] First, weigh the following raw materials according to mass percentages: 25% Portland cement, 21% vitrified beads with a particle size of 3mm, 18% 500 mesh quartz powder, 10% with a particle size of 100μm fly ash bleaching beads, 5% 200 mesh perlite, 12% 50 mesh rubber particles, 7% metakaolin with a particle size of 50 μm, 1.5% German Wacker 5048H flexible water-increasing rubber powder, 0.1% polycarboxylic acid water reducing agent, 0.2% polyacrylonitrile fiber, 0.2 % Hydroxypropyl methylcellulose, the sum of the mass percentages of the above components is 100%;

[0036] Step 2:

[0037] Portland cement, fly ash float beads weighed in step 1, Germany Wacker 5048H flexible water-increasing rubber powder, quartz powder, perlite, rubber particles, metakaolin, polyacrylonitrile fiber, hydroxypropyl methyl fiber Put the vegetarian and polycarboxylic acid water reducing agent into the non-gravity mixer, set the rotation speed of the mixing spind...

Example Embodiment

[0039] Example 2

[0040] step 1:

[0041] First, weigh the following raw materials according to mass percentages: 35% Portland cement, 25% vitrified beads with a particle size of 0.5 mm, 14% 300 mesh quartz powder, 5% fly ash float beads with a particle size of 50 μm, 1 % 40 mesh perlite, 15% 100 mesh rubber particles, 3% metakaolin with a particle size of 100 μm, 1% German Wacker 5048H flexible water-increasing glue powder, 0.3% polycarboxylic acid water reducing agent, 0.5% polypropylene Nitrile fiber, 0.2% hydroxypropyl methylcellulose, the sum of the mass percentages of the above components is 100%;

[0042] Step 2:

[0043] Portland cement, fly ash float beads weighed in step 1, Germany Wacker 5048H flexible water-increasing rubber powder, quartz powder, perlite, rubber particles, metakaolin, polyacrylonitrile fiber, hydroxypropyl methyl fiber Put the vegetarian and polycarboxylic acid water reducing agent into the non-gravity mixer, set the rotation speed of the mixing spindl...

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Abstract

The invention discloses insulated crack-resistant protective light dry mortar for external thermal insulation of an exterior wall. The insulated crack-resistant protective light dry mortar comprises the following raw materials by mass percent: 25-35% of cement, 15-25% of vitrified microbead, 8-15% of quartz powder, 5-10% of coal ash floating bead, 1-5% of perlite, 5-15% of rubber particles, 3-10% of metakaolin, 1.0-1.5% of rubber powder, 0.1-0.3% of water reducing agent, 0.2-0.5% of anti-crack fiber, and 0.2-0.4% of cellulose ether, wherein the sum of the components by mass percent is 100%. The preparation method of the dry motor comprises the step of agitating and mixing the weighed raw materials. The using method comprises the steps of agitating and mixing water with the dry motor according to the mass ratio of (4-5):4. By adopting the insulated crack-resistant protective light dry mortar, rubber is added to cement-based crack-resistant protective dry mortar, so that the brittleness of the cement-based protective motor material is improved, the problems that the existing coating mortar is easy to crack and poor in durability are solved, and the thermal insulation and crack-resistant functions are really achieved.

Description

technical field [0001] The invention belongs to the technical field of building exterior wall materials, and in particular relates to a heat-insulating, anti-cracking and protective lightweight dry powder mortar for external wall insulation, and also relates to a preparation method of the dry powder mortar. Background technique [0002] The external thermal insulation system of building exterior walls can bring about excellent energy-saving effects and a comfortable living environment, so people pay great attention to the long-term performance of the system. The protective mortar used in the protective layer of the external wall thermal insulation system is mostly brittle cement-based material, which has a large specificity, high thermal conductivity, and high heat storage value; while the thermal insulation board is an organic thermal insulation material, which has a low density, soft texture, and large deformation. Under external erosion such as heat, cold and wet cycles, ...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B14/22
Inventor 朱建霖
Owner 西安德耐节能科技有限责任公司
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