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Hydrophobic concrete-based polyphenylene granule heat-insulating mortar dry powder and its usage method

A technology of thermal insulation mortar and polystyrene particles, applied in the direction of climate sustainability, sustainable waste treatment, solid waste management, etc., can solve the problems of increased thermal conductivity and non-hydrophobicity of thermal insulation mortar, so as to ensure the stability in the later stage Effect

Inactive Publication Date: 2006-07-26
NANJING CENGO ENERGY SAVING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the thermal insulation mortar on the market is not hydrophobic. Once the water content of the thermal insulation mortar reaches a certain level, its thermal conductivity will be greatly increased.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Take 0.9m polystyrene particles with a particle size of 3mm 3 , P42.5 Portland cement 145kg, II grade fly ash 50kg, polypropylene fiber 0.4kg, 80 mesh heavy calcium powder 1.3kg, model: silane-based powder of seals80 1.0kg, methyl cellulose 1.0kg, poly 1.7kg of vinyl alcohol dry powder, 0.026kg of sodium lauryl silicate, 1.7kg of copolymer of VAC / VeoVa / E, add 140kg of water and fully stir (mortar mixer for 3-10 minutes) when in use, the measured The water absorption rate of the thermal insulation mortar is 5.8%.

Embodiment 2

[0020] Take 1.1m of polystyrene particles with a particle size of 5mm 3 , P52.5 Portland cement 165kg, Class I fly ash 70kg, polypropylene fiber 1kg, 100 mesh heavy calcium powder 1.7kg, model: silane-based powder of seals80 2.1kg, hydroxypropyl methylcellulose 2.1kg , 2.3kg of polyvinyl alcohol dry powder, 0.030kg of sodium lauryl silicate, 3.6kg of VAC / VeoVa copolymer, add 180kg of water and fully stir (mortar mixer for 3-10 minutes) when in use, and the measured The water absorption rate of the thermal insulation mortar is 3.1%.

Embodiment 3

[0022] Take 1.0m of polystyrene particles with a particle size of 4mm 3 , P52.5 Portland cement 155kg, high-calcium fly ash 60kg, polypropylene fiber 0.7kg, 90-mesh calcium carbonate powder 1.7kg, model: silane-based powder of seals80 1.5kg, methylcellulose 1.5kg, poly Vinyl alcohol dry powder 1.9kg, sodium lauryl silicate 0.028kg, VAC homopolymer 2.5kg, add 160kg water and stir fully (mortar mixer 3-10 minutes) when using, measure the water absorption of the insulation mortar was 4.0%.

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Abstract

The invention provides a kind of hydrophobic concrete-based polyphenylene granule heat-insulating mortar dry powder, wherein each unit of the thermal insulating mortar comprises the following raw material as the components: polyphenyl particles having a grain size of 3-5mm, comprising silicate cement 145-165 kg, coal ash and / or high calcium coal ash 50-70kg, polypropylene fiber 0.4-1kg, 80-100 mesh heavy calcium powder and / or calcium carbonate powder 1.3-1.7kg, silicane base powder 1.0-2.1kg, cellulose methyl and / or methylcellulose propylene glycol ether 1.0-2.1kg, polyvinyl alcohol dried powder 1.7-2.3kg, sodium dodecyl silicate 0.026-0.030kg, and dispersible latex powder 1.7-3.6kg.

Description

technical field [0001] The invention relates to a thermal insulation mortar dry powder used in the field of building energy conservation, especially a thermal insulation mortar dry powder applied to an external wall thermal insulation system, an external wall internal thermal insulation system, a roof thermal insulation system or a staircase thermal insulation system, and the dry thermal insulation mortar powder. Instructions. Background technique [0002] At present, according to the requirements of the national construction development plan, the country will vigorously develop building energy-saving technologies, and building energy-saving will become the development direction of my country's construction industry. External wall insulation is an important technical means of building energy saving, and has become a hot spot of building energy saving. At present, there are mainly two forms of external wall insulation boards (mainly EPS boards and XPS boards) and cement-base...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B18/08C04B24/24C04B103/65C04B111/27
CPCY02W30/91
Inventor 王正权
Owner NANJING CENGO ENERGY SAVING MATERIAL
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