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Preparation method of compound enhanced waterproof and fireproof heat-insulating board slurry

A composite reinforcement, fireproof and thermal insulation technology, applied in the field of external thermal insulation of building exterior walls, can solve the problems of easy detachment, pollution in the production process, and backward production technology.

Inactive Publication Date: 2013-04-03
JIANGSU TEYOUNUO NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using EPS boards, XPS boards, PU boards, etc. as external wall insulation components has the advantages of low price and good thermal insulation performance, but its flame retardancy index is low, and it cannot reach the A-level fire protection index, and building insulation fire accidents are prone to occur. Cause huge economic losses and seriously threaten the safety of people's lives and properties
At present, the commonly used A-level external wall fire-proof and thermal insulation materials in the market are mostly rock wool, glass fiber, and foamed cement. They may have defects such as excessive water absorption, excessive quality, easy detachment, fragility, low impact strength, and difficult installation. , and the production process is backward, the scale is small, and the production process is seriously polluted, so it is difficult to be widely used as external wall insulation materials

Method used

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  • Preparation method of compound enhanced waterproof and fireproof heat-insulating board slurry
  • Preparation method of compound enhanced waterproof and fireproof heat-insulating board slurry

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] 1. Add Portland cement (42.5 type) 650kg, Class I fly ash 250kg, saltlime 65kg, redispersed latex powder 12kg, 6~8mm polypropylene fiber 1.5kg, naphthalene series to the closed logistics convection mixer. 3.5kg of high-efficiency water reducer powder, 1.5kg of methyl cellulose ether and other raw materials are subjected to three-dimensional stirring, so that the raw materials are mixed evenly and the polypropylene fibers are fully dispersed, that is, a uniformly mixed dry powder is made.

[0023] 2. Transfer 140kg of the uniformly mixed dry powder to a biaxial two-way mixer, and then add B 1 10kg of grade flame-retardant EPS particles and 100kg of water were stirred evenly to prepare the slurry for preparing the composite reinforced waterproof and fireproof insulation board.

[0024] 3. The B 1 The particle size gradation of grade flame-retardant EPS particles is: Φ2mm EPS particles account for 20% of the total weight of the EPS particles, Φ3mm EPS particles account fo...

Embodiment 2

[0026] 1. In the closed logistics convection mixer, add 700kg of Portland cement (model 42.5), 220kg of grade I fly ash, 58kg of salt lime, 14kg of redispersed latex powder, 2.0kg of 6-8mm polypropylene fiber, naphthalene series 2.8 kg of high-efficiency water reducer powder, 2.2 kg of methyl cellulose ether and other raw materials are subjected to three-dimensional stirring, so that the raw materials are mixed evenly and the polypropylene fibers are fully dispersed, that is, a uniformly mixed dry powder is produced.

[0027] 2. Transport 160kg of the uniformly mixed dry powder to a biaxial two-way mixer, and then add B 1 11kg of grade flame-retardant EPS particles and 150kg of water were stirred evenly to prepare the slurry for preparing the composite reinforced waterproof and fireproof insulation board.

[0028] 3. The B 1 The particle size gradation of grade flame-retardant EPS particles is: Φ2mm EPS particles account for 15% of the total weight of the EPS particles, Φ3mm ...

Embodiment 3

[0030] 1. In the closed logistics convection mixer, add 750kg of Portland cement (model 42.5), 190kg of grade I fly ash, 58kg of salt lime, 16kg of redispersed latex powder, 2.5kg of 6-8mm polypropylene fiber, naphthalene series 3.5kg of high-efficiency water reducer powder, 2.6kg of methyl cellulose ether and other raw materials are subjected to three-dimensional agitation, so that the above-mentioned raw materials are mixed evenly and the polypropylene fibers are fully dispersed, that is, a uniformly mixed dry powder is made.

[0031] 2. Transport 180kg of the uniformly mixed dry powder to a biaxial two-way mixer, and then add B 1 14kg of grade flame-retardant EPS particles and 150kg of water were stirred evenly to prepare the slurry for preparing the composite reinforced waterproof and fireproof insulation board.

[0032] 3. The B 1 The particle size gradation of grade flame-retardant EPS particles is that Φ2mm EPS particles account for 10% of the total weight of the EPS p...

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Abstract

The invention provides compound enhanced waterproof and fireproof heat-insulating board slurry which is prepared through the following steps of: firstly, agitating raw materials comprising 650-800 kg of silicate cement, 160-250 kg of fly ash, 45-65 kg of saltpeter ash, 12-18 kg of re-dispersed latex powder, 1-3 kg of polypropylene fiber with the size of 6-8 mm, 2.5-3.5 kg of naphthalene-based superplasticizer, 1.5-2.5 kg of methyl cellulose ether and the like into uniformly-mixed dry powder; and uniformly agitating 140-200 kg of the dry powder with 10-15 kg of B1-grade inflaming retarding EPS (Expanded Polystyrene) grains and 100-150 kg of water to prepare the slurry. The weight contents of the B1-grade inflaming retarding EPS grains are as follows: the content of grains with the size of phi2 mm is 10-20%, the content of grains with the size of phi3 mm is 10-20%, the content of grains with the size of phi4 mm is 30-40% and the content of grains with the size of phi5 mm is 30-40%. A heat-insulating board prepared from the compound enhanced waterproof and fireproof heat-insulating board slurry disclosed by the invention has the characteristics of low heat conduction rate, low water absorption, A2-grade non-combustible and fireproof performance and the like.

Description

technical field [0001] The invention belongs to the technical field of external thermal insulation of building external walls, and in particular relates to a slurry for preparing composite reinforced waterproof and fireproof thermal insulation boards for external thermal insulation systems of building external walls by using cement and polystyrene (EPS) particles as main raw materials. Background technique [0002] It is well known in the industry that the energy consumption of buildings in my country accounts for nearly 30% of the total energy consumption in the country, and the proportion of high energy consumption buildings in the existing buildings in the country has exceeded 95%. It is of great significance to improve the energy utilization rate of buildings. The external thermal insulation board of the external wall is a building component applied to the external surface of the external wall and plays a role of thermal insulation for the building. Using EPS boards, XPS...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/10C04B111/28C04B111/27
Inventor 陈国忠殷伟杨志明沈建新高智超徐意
Owner JIANGSU TEYOUNUO NEW MATERIALS TECH
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