CN103449835A - High-strength flame-retardant cement foamed thermal-insulation board and preparation method thereof - Google Patents

Abstract

The invention discloses a high-strength flame-retardant cement foamed insulation board which is composed of the following raw materials in parts by weight: 100-106 parts of ordinary Portland cement, 50-60 parts of fly ash, 10-12 parts of meerschaum powder, 10-15 parts of kieselguhr, 1-2 parts of ammonium dihydrogen phosphate, 5-6 parts of acrylic acid, 2-3 parts of antimony trioxide, 3-4 parts of talcum powder, 3-4 parts of liquid paraffin, 1-2 parts of glass fiber, 2-3 parts of benzotriazole, 4-6 parts of anhydrous ethanol, 2-3 parts of hollow glass microsphere, 2-3 parts of chlorinated polyethylene, 0.2-0.3 part of nonylphenol polyethenoxy ether, 2-3 parts of sodium dodecyl benzene sulfonate, 3-4 parts of polyvinyl alcohol, 0.1-0.2 part of ammonium persulfate, 0.3-0.4 part of dimethyl silicon oil and right amount of water. The thermal-insulation board disclosed by the invention has the characteristics of light weight, heat insulation, thermal insulation, water resistance and the like, is suitable for thermal insulation of a building outer wall, and is a thermal-insulation material having wide application prospects; and the slurry which is previously obtained by the technique enhances the adhesiveness and compatibility among the materials, and further enhances the resilience and compression strength of the formed board.

Description

A kind of high-strength anti-flaming type cement foaming insulation board and preparation method thereof

Technical field

The present invention relates generally to a kind of high-strength anti-flaming type cement foaming insulation board, belongs to building material field.

Background technology

High-strength anti-flaming type cement foaming insulation board refers to the warming plate that uses the foam cement technology to manufacture, traditional high-strength anti-flaming type cement foaming insulation board major ingredient is cement, adding hydrogen peroxide, hard calcium, flyash and cement blowing agent to merge foaming forms, the foaming cement thermal insulation plate is the optimal lagging material of current wall thermal insulating and wall thermal insulating fire-blocking belt, its advantage is: thermal conductivity is low, high insulating effect, do not burn, waterproof, strong with the body of wall cohesive force, intensity is high, toxicological harmless radiating material, environmental protection.

Summary of the invention

The object of the invention just is to provide a kind of high-strength anti-flaming type cement foaming insulation board and preparation method thereof.

The present invention is achieved by the following technical solutions:

A kind of high-strength anti-flaming type cement foaming insulation board, it is comprised of the raw material of following weight parts:

Ordinary Portland cement 100-106, flyash 50-60, sepiolite powder 10-12, diatomite 10-15, phosphoric acid dihydro amine 1-2, vinylformic acid 5-6, antimonous oxide 2-3, talcum powder 3-4, whiteruss 3-4, glass fibre 1-2, benzotriazole 2-3, dehydrated alcohol 4-6, hollow glass micropearl 2-3, chlorinatedpolyethylene 2-3, polyoxyethylene nonylphenol ether 0.2-0.3, Sodium dodecylbenzene sulfonate 2-3, polyvinyl alcohol 3-4, ammonium persulphate 0.1-0.2, dimethyl silicone oil 0.3-0.4, water is appropriate.

A kind of preparation method of high-strength anti-flaming type cement foaming insulation board comprises the following steps:

(1) above-mentioned diatom is joined in dehydrated alcohol, fully stir, add polyoxyethylene nonylphenol ether, vinylformic acid, constant temperature stirs 10-15 minute, be cooled to normal temperature, add ammonium persulphate, 300-500 rev/min is stirred 5-6 minute, adds whiteruss, 40-60 rev/min is stirred 5-10 minute, under 95-100 ℃, the standing 50-60 minute of insulation, cooling, obtains slurry;

(2) above-mentioned quick hardening sulphoaluminate cement, flyash, sepiolite powder, talcum powder, chlorinatedpolyethylene are mixed to join in stirrer, stirring velocity is 60-80 rev/min, and churning time 15-20 minute obtains the cement batch mixing;

(3) water of 40-50 ℃ is joined in stirrer, the wet 2-3 minute that stirs, mix with above-mentioned Sodium dodecylbenzene sulfonate, by whipping agent, foams, and obtains the foam material;

(4) foam material obtained above is mixed with the cement batch mixing, the content that the volume of foam material accounts for cement batch mixing weight is: 4-6 liter/kilogram; 40-50 rev/min is stirred 20-30 minute, obtains Preblend;

(5) Preblend obtained is mixed with above-mentioned slurry and each raw material of residue, after fully stirring, send into castable in mould, obtain described high-strength anti-flaming type cement foaming insulation board after the demoulding, maintenance, drying.

Advantage of the present invention is:

Warming plate of the present invention has the characteristics such as light weight, heat-insulation and heat-preservation and waterproof, is applicable to building exterior wall heat preserving, is a kind of lagging material had a extensive future; The slurry obtained in advance by technique of the present invention has strengthened binding property and the consistency between each material, has further strengthened rebound resilience and the compressive strength of sheet forming.

Embodiment

Embodiment 1

A kind of high-strength anti-flaming type cement foaming insulation board, it is comprised of the raw material of following weight parts (kilogram):

Ordinary Portland cement 106, flyash 60, sepiolite powder 12, diatomite 15, phosphoric acid dihydro amine 2, vinylformic acid 6, antimonous oxide 3, talcum powder 4, whiteruss 4, glass fibre 2, benzotriazole 3, dehydrated alcohol 6, hollow glass micropearl 3, chlorinatedpolyethylene 3, polyoxyethylene nonylphenol ether 0.3, Sodium dodecylbenzene sulfonate 3, polyvinyl alcohol 4, ammonium persulphate 0.2, dimethyl silicone oil 0.4, water are appropriate.

A kind of preparation method of high-strength anti-flaming type cement foaming insulation board comprises the following steps:

(1) above-mentioned diatom is joined in dehydrated alcohol, fully stir, add polyoxyethylene nonylphenol ether, vinylformic acid, constant temperature stirs 15 minutes, be cooled to normal temperature, add ammonium persulphate, 500 rev/mins are stirred 6 minutes, add whiteruss, 60 rev/mins are stirred 10 minutes, under 100 ℃, insulation is standing 60 minutes, cooling, obtains slurry;

(2) above-mentioned quick hardening sulphoaluminate cement, flyash, sepiolite powder, talcum powder, chlorinatedpolyethylene are mixed to join in stirrer, stirring velocity is 80 rev/mins, and churning time 20 minutes, obtain the cement batch mixing;

(3) water of 50 ℃ is joined in stirrer, the wet stirring 3 minutes, mix with above-mentioned Sodium dodecylbenzene sulfonate, by whipping agent, foams, and obtains the foam material;

(4) foam material obtained above is mixed with the cement batch mixing, the content that the volume of foam material accounts for cement batch mixing weight is: 6 liters/kilogram; 50 rev/mins are stirred 30 minutes, obtain Preblend;

(5) Preblend obtained is mixed with above-mentioned slurry and each raw material of residue, after fully stirring, send into castable in mould, obtain described high-strength anti-flaming type cement foaming insulation board after the demoulding, maintenance, drying.

Performance test:

Claims (2)

1. a high-strength anti-flaming type cement foaming insulation board is characterized in that what it was comprised of the raw material of following weight parts:

Ordinary Portland cement 100-106, flyash 50-60, sepiolite powder 10-12, diatomite 10-15, phosphoric acid dihydro amine 1-2, vinylformic acid 5-6, antimonous oxide 2-3, talcum powder 3-4, whiteruss 3-4, glass fibre 1-2, benzotriazole 2-3, dehydrated alcohol 4-6, hollow glass micropearl 2-3, chlorinatedpolyethylene 2-3, polyoxyethylene nonylphenol ether 0.2-0.3, Sodium dodecylbenzene sulfonate 2-3, polyvinyl alcohol 3-4, ammonium persulphate 0.1-0.2, dimethyl silicone oil 0.3-0.4, water is appropriate.

2. the preparation method of a high-strength anti-flaming type cement foaming insulation board as claimed in claim 1, it is characterized in that comprising the following steps: (1) joins above-mentioned diatom in dehydrated alcohol, fully stir, add polyoxyethylene nonylphenol ether, vinylformic acid, constant temperature stirs 10-15 minute, be cooled to normal temperature, add ammonium persulphate, 300-500 rev/min is stirred 5-6 minute, add whiteruss, 40-60 rev/min is stirred 5-10 minute, the standing 50-60 minute of insulation under 95-100 ℃, cooling, obtain slurry;

(2) above-mentioned quick hardening sulphoaluminate cement, flyash, sepiolite powder, talcum powder, chlorinatedpolyethylene are mixed to join in stirrer, stirring velocity is 60-80 rev/min, and churning time 15-20 minute obtains the cement batch mixing;

(3) water of 40-50 ℃ is joined in stirrer, the wet 2-3 minute that stirs, mix with above-mentioned Sodium dodecylbenzene sulfonate, by whipping agent, foams, and obtains the foam material;

(4) foam material obtained above is mixed with the cement batch mixing, the content that the volume of foam material accounts for cement batch mixing weight is: 4-6 liter/kilogram; 40-50 rev/min is stirred 20-30 minute, obtains Preblend;

(5) Preblend obtained is mixed with above-mentioned slurry and each raw material of residue, after fully stirring, send into castable in mould, obtain described high-strength anti-flaming type cement foaming insulation board after the demoulding, maintenance, drying.