CN113582603A

CN113582603A - Waterproof heat-insulating material for roof leakage repair

Info

Publication number: CN113582603A
Application number: CN202110563844.7A
Authority: CN
Inventors: 江益平
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-11-02

Abstract

The invention discloses a waterproof heat-insulating material for roof leakage repair, the green-layer cerite material selected by the invention has the advantages of environmental protection, high and low temperature resistance, chemical corrosion resistance and the like, and can improve the problems of supercooling and phase separation of inorganic phase-change heat-storing materials.

Description

Waterproof heat-insulating material for roof leakage repair

Technical Field

The invention relates to the field of building materials, in particular to a waterproof heat-insulating material for roof leakage repair.

Background

At present, one-storey house water leakage is a subject to be faced by many families, particularly when rainy seasons come, at present, the mainstream products of external thermal insulation materials of the external wall of China are organic thermal insulation materials such as polystyrene foam boards and polystyrene extruded sheets, and the organic thermal insulation materials have the advantages of excellent thermal insulation performance, low price and fatal defects, namely the organic thermal insulation materials belong to combustible materials and have the risk of causing fire, and meanwhile, cement concrete materials have defects such as self-weight, low tensile strength and easiness in drying shrinkage cracking (including plastic shrinkage cracking and hardening drying shrinkage cracking), and the defects limit wider application in structural engineering, so how to develop a material which is difficult to cause fire and can enable cement concrete to be firmer and more thermally insulated becomes a problem to be solved urgently.

Disclosure of Invention

The invention aims to provide a waterproof heat-insulating material for roof leakage repair.

The invention relates to a waterproof heat-insulating material for roof leakage repair, which has the purpose and the effect and is achieved by the following specific technical means: the utility model provides a waterproof insulation material for roof trapping, includes ceramic waste powder and foamer, its characterized in that: the foamed ceramic material contains a phase change heat storage material, and the phase change heat storage material comprises: by mass percentage, 40-60% of green-layer cerite powder, 5-10% of titanium dioxide powder, 10-30% of sodium sulfate and 10-30% of aluminum powder, wherein the cement-based composite material comprises the following components in parts by weight: 15-69 parts of cement, 17-30 parts of water, 10-45 parts of fine aggregate, 34-104 parts of fly ash, 0-4.5 parts of silica fume and 0-8 parts of granulated blast furnace slag, and also comprises a water reducing agent, a thickening agent and an air entraining agent, wherein the organic fiber is one or more than two mixed fibers of polyvinyl alcohol fiber, polyethylene fiber, aramid fiber and aromatic polyamide fiber; the diameter of the organic fiber is between 10 and 80 mu m.

Further preferred embodiments: the cement-based composite material comprises the following components in parts: 15 to 69 portions of cement, 17 to 30 portions of water, 10 to 45 portions of fine aggregate, 34 to 104 portions of fly ash, 0 to 4.5 portions of silica fume and 0 to 8 portions of granulated blast furnace slag.

Further preferred embodiments: also comprises a water reducing agent, a thickening agent and an air entraining agent.

Further preferred embodiments: the organic fiber is one or more than two mixed fibers of polyvinyl alcohol fiber, polyethylene fiber, aramid fiber and aromatic polyamide fiber; the diameter of the organic fiber is between 10 and 80 mu m.

Has the advantages that:

(1) the method comprises the steps of grinding the materials by a dry method until the particle size of the powder is smaller than 10 mu m, filling the ground materials into a recrystallized silicon carbide mould, wherein the filling amount is 1/3-1/2 of the volume of the mould, then sending the mould filled with the materials into a kiln, heating to 800 ℃ at a heating rate of 5 ℃/min, keeping the temperature for 1h, then cooling to room temperature along with the kiln, and obtaining the foamed ceramic material meeting the heat preservation requirement of the exterior wall of the building after cutting and inspection.

(2) The ceramic waste powder of the foamed ceramic material has the advantages of large storage capacity, wide source and very low price.

Detailed Description

The invention provides a waterproof heat-insulating material for roof leakage repair, which comprises ceramic waste powder and a foaming agent, and is characterized in that: the foamed ceramic material contains a phase change heat storage material, and the phase change heat storage material comprises: by mass percentage, 40-60% of green-layer cerite powder, 5-10% of titanium dioxide powder, 10-30% of sodium sulfate and 10-30% of aluminum powder, wherein the cement-based composite material comprises the following components in parts by weight: 15-69 parts of cement, 17-30 parts of water, 10-45 parts of fine aggregate, 34-104 parts of fly ash, 0-4.5 parts of silica fume and 0-8 parts of granulated blast furnace slag, and also comprises a water reducing agent, a thickening agent and an air entraining agent, wherein the organic fiber is one or more than two mixed fibers of polyvinyl alcohol fiber, polyethylene fiber, aramid fiber and aromatic polyamide fiber; the diameter of the organic fiber is between 10 and 80 mu m.

The concrete cement-based composite material comprises the following components in parts: 15 to 69 portions of cement, 17 to 30 portions of water, 10 to 45 portions of fine aggregate, 34 to 104 portions of fly ash, 0 to 4.5 portions of silica fume and 0 to 8 portions of granulated blast furnace slag.

Wherein, the concrete also comprises a water reducing agent, a thickening agent and an air entraining agent.

Wherein the organic fiber is one or more than two mixed fibers of polyvinyl alcohol fiber, polyethylene fiber, aramid fiber and aromatic polyamide fiber; the diameter of the organic fiber is between 10 and 80 mu m.

The working principle is as follows:

the specific use mode and effect of this example are that 40% of green-layer cerite powder, 10% of titanium dioxide powder, 18% of sodium sulfate and 30% of aluminum powder are mixed and ground, 2% of sodium stearate is added during the grinding process, and the mixed powder is obtained after grinding for 1 hour. 320 g of dolomite, 350 g of calcium carbonate and 80 g of calcium sulfate are mixed by a vibratory ball mill for 0.5 hour to obtain powder; putting the powder into a sand mill, simultaneously adding 150 g of carbon powder, 100 g of silicon powder, 1000 g of deionized water and 10 g of dispersant polyvinyl alcohol, and sanding for 0.5 hour to obtain slurry; and granulating the sanded slurry by a spray granulator, wherein the particle size of the granules is 30 mu m, 58 parts of cement, 20 parts of water, 42 parts of fine aggregate, 46 parts of fly ash, 3 parts of silica fume, 6 parts of granulated blast furnace slag and polyethylene fiber with the volume of 2.5 percent of the total volume of the composite material are also mixed in the slurry. The concrete crack cleaning agent comprises a water reducing agent and a retarder, wherein the water reducing agent is 0.5 part, the retarder is 0.2 part, and the periphery of a crack on the outer surface of concrete is polished smooth and cleaned; b, uniformly injecting epoxy paste on the surface of the crack, uniformly smearing the epoxy paste on the polished smooth part at the periphery of the crack, uniformly coating the epoxy paste on the surface and the periphery of the crack, and pouring for the first time: uniformly pouring a thin layer of cement-based composite material on the surface and the periphery of the crack, then flatly paving an organic fiber woven mesh on the thin layer of the cement-based composite material, flatly pressing the organic fiber woven mesh to form good combination of the organic fiber woven mesh and the thin layer of the cement-based composite material, scraping or troweling the surface of the organic fiber woven mesh, and pouring the cement-based composite material for the second time: and pouring a layer of cement-based composite material on the organic fiber woven mesh again.

Claims

1. The utility model provides a waterproof insulation material for roof trapping, includes ceramic waste powder and foamer, its characterized in that: the foamed ceramic material contains a phase change heat storage material, and the phase change heat storage material comprises: by mass percentage, 40-60% of green-layer cerite powder, 5-10% of titanium dioxide powder, 10-30% of sodium sulfate and 10-30% of aluminum powder.

2. The waterproof and insulating material for roof leakage repair of claim 1, wherein: the cement-based composite material comprises the following components in parts: 15 to 69 portions of cement, 17 to 30 portions of water, 10 to 45 portions of fine aggregate, 34 to 104 portions of fly ash, 0 to 4.5 portions of silica fume and 0 to 8 portions of granulated blast furnace slag.

3. The waterproof and insulating material for roof leakage repair of claim 1, wherein: also comprises a water reducing agent, a thickening agent and an air entraining agent.

4. The waterproof and insulating material for roof leakage repair of claim 1, wherein: the organic fiber is one or more than two mixed fibers of polyvinyl alcohol fiber, polyethylene fiber, aramid fiber and aromatic polyamide fiber; the diameter of the organic fiber is between 10 and 80 mu m.