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Prepn process of three-in-one heat insulating material for outer wall

A technology for thermal insulation materials and external wall thermal insulation, applied in the field of thermal insulation materials for building external walls and its preparation, can solve problems such as potential safety hazards, casualties, falling off, etc., achieve high wind pressure resistance and impact strength, and thermal conductivity The effect of low coefficient and excellent performance

Inactive Publication Date: 2009-04-15
无锡协创装饰工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Facing the specific implementation of this requirement and standard, the current thermal insulation exterior wall system, polystyrene board and compact board will face practical problems in technology and construction: the thermal conductivity of polystyrene board is 0.04w / m·k, The thermal conductivity of the dense board is 0.027-0.029w / m·k. Although the thermal conductivity of the dense board is good, its wind resistance value cannot withstand the high-rise buildings.
The first problem that arises is that the cement polystyrene mortar on both sides cannot be firmly combined with the polystyrene board, which is easy to cause falling off
In addition, the wall is an inorganic substance, and the cement polyphenylene mortar is an organic substance. The inorganic and organic substances cannot be combined well. Once it falls off, it will cause casualties and pose a great safety hazard.

Method used

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  • Prepn process of three-in-one heat insulating material for outer wall
  • Prepn process of three-in-one heat insulating material for outer wall

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Each component was weighed according to the following weight (unit: kg): acidified magnesium insulation material additive 35 (purchased from Shanghai Yuchen Technology Co., Ltd. and the trade name is "Shuangheng" brand insulation material), closed-cell expanded perlite 61.5 . Polystyrene granules 3.5 (preparation method of polystyrene granules: crush recycled waste polystyrene boards and pass through a 60-80 mesh sieve); mix the above-mentioned components evenly and stir to obtain the product.

[0031] When carrying out building thermal insulation construction, the prepared thermal insulation material and 120kg waterproof liquid (the waterproof liquid is prepared by water and waterproof agent according to the weight ratio of 16:1, wherein the waterproof agent is purchased from Chengdu Xinglong Chemical Co., Ltd., trade name After mixing with "KL-205 Kele" high-efficiency waterproofing agent), stir evenly, and then carry out building wall insulation construction according...

Embodiment 2

[0033] Weigh each component according to the following weight (unit: kg): acidified magnesium insulation material additive 39 (purchased from Shanghai Yuchen Technology Co., Ltd. and the trade name is "Shuangheng" brand insulation material), open-cell expanded perlite 58.5 2.5 polystyrene granules (preparation method of polystyrene granules: crush recycled waste polystyrene boards and pass through 60-80 mesh sieves); mix the above-mentioned components evenly and stir to obtain the product.

[0034] When carrying out building thermal insulation construction, the prepared thermal insulation material and 100kg waterproof liquid (the waterproof liquid is prepared by water and waterproof agent according to the weight ratio of 16:1, wherein the waterproof agent is purchased from Chengdu Xinglong Chemical Co., Ltd., trade name After mixing with "KL-205 Kele" high-efficiency waterproofing agent), stir evenly, and then carry out building wall insulation construction according to convent...

Embodiment 3

[0036] Each component was weighed according to the following weight (unit: kg): acidified magnesium insulation material additive 45 (purchased from Shanghai Yuchen Technology Co., Ltd. and the trade name is "Shuangheng" brand insulation material), closed-cell expanded perlite 53.5 1. Polystyrene granules 1.5 (preparation method of polystyrene granules: crush recycled waste polystyrene boards and pass through 60-80 mesh sieves); mix the above-mentioned components evenly and stir to obtain.

[0037] When carrying out building thermal insulation construction, the prepared thermal insulation material and 120kg waterproof liquid (the waterproof liquid is prepared by water and waterproof agent according to the weight ratio of 16:1, wherein the waterproof agent is purchased from Chengdu Xinglong Chemical Co., Ltd., trade name After mixing with "KL-205 Kele" high-efficiency waterproofing agent), stir evenly, and then carry out building wall insulation construction according to conventi...

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Abstract

The present invention discloses one kind of heat insulating material for outer wall of building and its application process. The heat insulating material is prepared with expanded perlite in 55-65 weight portions, polystyrene grain in 1.5-3.5 weight portions and acidified magnesia as heat insulating material additive in 35-45 weight portions. Experiment shows that present invention as one kind of excellent outer wall heat insulating material has low heat conducting coefficient, high weather resistance, high tensile strength, high wind resistance and high impact strength.

Description

technical field [0001] The invention relates to a building material, in particular to a thermal insulation material for building exterior walls and a preparation method thereof, belonging to the field of building materials. Background technique [0002] At present, the thermal insulation materials using polystyrene board, dense polystyrene board and thermal insulation mortar (cement mixed with polystyrene particles) in the thermal insulation market all have their own insurmountable defects and unsatisfactory parts in technology. [0003] Polystyrene board is an organic material extracted from petroleum. Sensitive to the influence of temperature, the molecular activity is very active. The heat-resistant temperature is only 70°C, and the dimensional change rate reaches 5% after 48 hours at 70°C as measured by experiments. The outdoor temperature in Northeast China is -45°C to -20°C in winter, and the wall temperature in South China can reach a maximum of 70°C to 75°C in summ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/30C04B14/18C04B16/08
CPCC04B28/30C04B2111/28C04B40/0039Y02W30/91C04B14/185C04B16/08C04B18/24C04B20/008C04B40/0028C04B2103/65C04B22/066C04B22/141
Inventor 刘贵堂
Owner 无锡协创装饰工程有限公司
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