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Polyphenylene granular thermal-insulation mortar

A technology of polystyrene particles and thermal insulation mortar, which is applied in the field of building materials, can solve the problems of high cement consumption, unstable thermal insulation performance of thermal insulation mortar, and increase the manufacturing cost of thermal insulation mortar, and achieves low thermal conductivity, high softening coefficient and stable thermal insulation performance. Effect

Inactive Publication Date: 2013-08-14
北京建筑工程学院
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0002] At present, in the technical field of building materials, fine aggregate is rarely used in commonly used thermal insulation mortar, mainly cement and other cementitious materials and some admixtures to improve the performance of mortar, which results in excessive cement consumption and improves the performance of thermal insulation mortar. The manufacturing cost; at the same time, the thermal insulation performance of the prepared thermal insulation mortar is unstable, and it is not suitable for all wall insulation, so that the performance of the thermal insulation mortar is not high

Method used

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  • Polyphenylene granular thermal-insulation mortar

Examples

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Effect test

Embodiment 1

[0043] Weigh 3350g of ordinary Portland cement, 500g of construction waste recycled brick powder, 750g of lime calcium powder, 250g of silica fume, 40L of polyphenylene particles, 80g of redispersible latex powder, 40g of cellulose ether, 35g of wood fiber, and 15g of polypropylene fiber , 4000g of water. Mix the dry mortar materials evenly, and then add water for stirring to obtain the finished polystyrene particle thermal insulation mortar.

[0044] The performance of the polystyrene particle insulation mortar of this embodiment is as follows:

[0045] ⑴Dry bulk density: 313kg / m 3 ; (2) Bulk density after soaking in water: 392kg / m 3 ; ⑶ water absorption: 0.25%; ⑷ compressive strength after softening: 0.27MPa; ⑸ 28d compressive strength: 0.30MPa; ⑹ softening coefficient: 0.91;

Embodiment 2

[0047] Weigh 3350g of ordinary Portland cement, 500g of construction waste recycled brick powder, 750g of lime calcium powder, 250g of silica fume, 40L of polyphenylene particles, 80g of redispersible latex powder, 40g of cellulose ether, 35g of wood fiber, and 15g of polypropylene fiber , 4000g of water. Mix the dry mortar materials evenly, then add water and stir to get the finished polyphenylene particle insulation mortar.

[0048] The performance of the polystyrene particle insulation mortar of this embodiment is as follows:

[0049] ⑴Dry bulk density: 270kg / m 3 ; (2) Bulk density after soaking in water: 336kg / m 3 ; ⑶ water absorption: 0.24%; ⑷ compressive strength after softening: 0.19MPa; ⑸ 28d compressive strength: 0.28MPa; ⑹ softening coefficient: 0.67;

Embodiment 3

[0051] Weigh 3350g of ordinary Portland cement, 250g of recycled concrete powder from construction waste, 1000g of lime calcium powder, 250g of silica fume, 40L of polyphenylene particles, 80g of redispersible latex powder, 40g of cellulose ether, 35g of wood fiber, and 15g of polypropylene fiber , 4000g of water. Mix the dry mortar materials evenly, then add water and stir to get the finished polyphenylene particle insulation mortar.

[0052] The performance of the polystyrene particle insulation mortar of this embodiment is as follows:

[0053] ⑴Dry bulk density: 239kg / m 3 ; (2) Bulk density after soaking in water: 306kg / m 3 ; ⑶ water absorption: 0.28%; ⑷ compressive strength after softening: 0.21MPa; ⑸ 28d compressive strength: 0.22MPa; ⑹ softening coefficient: 0.97;

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Abstract

The invention discloses a polyphenylene granular thermal-insulation mortar. Construction waste regenerated powder is added as an inert filler into common thermal-insulation mortar. The polyphenylene granular thermal-insulation mortar comprises ordinary Portland cement, construction waste regenerated powder, sierozem powder, silica fume, polyphenylene granule, wood fiber, polystyrene fiber, redispersible latex powder and cellulose ether. The thermal-insulation mortar has the advantages of low heat conductivity coefficient, stable thermal-insulation properties, high softening coefficient, freeze-thawing resistance and aging resistance, and is suitable for thermal insulation of various walls.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a polystyrene particle thermal insulation mortar. Background technique [0002] At present, in the technical field of building materials, fine aggregate is rarely used in commonly used thermal insulation mortar, mainly cement and other cementitious materials and some admixtures to improve the performance of mortar, which results in excessive cement consumption and improves the performance of thermal insulation mortar. The manufacturing cost; at the same time, the thermal insulation performance of the prepared thermal insulation mortar is unstable, and it is not suitable for all wall insulation, so that the performance of the thermal insulation mortar is not high. Contents of the invention [0003] The purpose of the present invention is to provide a kind of polystyrene particle insulation mortar, which has low thermal conductivity, stable insulation performance, high...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B18/16
CPCY02W30/91
Inventor 周文娟于显强林松
Owner 北京建筑工程学院
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