An energy-saving and heat-insulating material for exterior walls of buildings and its heat-insulating board

Abstract

The present invention provides an energy-saving thermal insulation material for exterior walls of buildings and its thermal insulation board, which relates to the field of building thermal insulation materials. This energy-saving thermal insulation material for exterior walls of buildings includes polyurethane, composite silicate, microporous silicate, foamed cement, FS cement fly ash, urea-formaldehyde resin, phthalic acid diester, and water. The polyurethane, composite silicate, microporous silicate, foamed cement, FS cement fly ash, urea-formaldehyde resin, phthalic acid diester, and water are in parts by weight: 8-10 parts of polyurethane, 5-7 parts of composite silicate, 10-15 parts of microporous silicate, 20-30 parts of foamed cement, 10-15 parts of FS cement fly ash, 7-9 parts of urea-formaldehyde resin, 6-8 parts of phthalic acid diester, and 40-50 parts of water. The thermal insulation material of the present invention has relatively high strength, good thermal insulation, heat insulation, and heat insulation effects, a long service life, good compressive effect, can improve the utilization rate of building energy, and reduce its heat loss.

Description

Technical Field

[0001] The present invention relates to the technical field of building thermal insulation materials, and specifically to an energy-saving thermal insulation material for exterior walls of buildings and its insulation board. Background Art

[0002] With the continuous deepening of the country's promotion of energy conservation and environmental protection and the implementation of building energy conservation regulations, there is a broad market development space for future building energy-saving thermal insulation materials. Currently, global thermal insulation materials are developing towards the integration of high efficiency, energy conservation, thin layer, heat insulation, and waterproof outer protection. While developing new thermal insulation materials and composite structure thermal insulation and energy-saving technologies, more emphasis is placed on the targeted use of thermal insulation materials, design and construction according to standards and specifications, efforts to improve thermal insulation efficiency and reduce costs, and broaden the functionality and application fields of thermal insulation materials.

[0003] Currently, the strength of some insulation boards made of existing insulation materials has decreased, and the thermal insulation, heat insulation, and heat insulation effects of the insulation materials are poor, and the service life is short, and the compressive effect is poor, resulting in a reduction in the practicality of some insulation boards made of existing insulation materials. Therefore, an energy-saving thermal insulation material for exterior walls of buildings and its insulation board are proposed to solve this problem. Summary of the Invention

[0004] (I) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the present invention provides an energy-saving thermal insulation material for exterior walls of buildings and its insulation board, which solves the problems of reduced strength of some existing insulation materials, poor thermal insulation, heat insulation, and heat insulation effects, short service life, and poor compressive effect.

[0006] (II) Technical Solutions

[0007] To achieve the above objectives, the present invention is realized through the following technical solutions: An energy-saving thermal insulation material for exterior walls of buildings and its insulation board, comprising polyurethane, composite silicate, microporous silicate, foamed cement, FS cement fly ash, urea-formaldehyde resin, dioctyl phthalate, and water.

[0008] Preferably, the polyurethane, composite silicate, microporous silicate, foamed cement, FS cement fly ash, urea-formaldehyde resin, dioctyl phthalate, and water are in parts by weight:

[0009] 8 - 10 parts of polyurethane, 5 - 7 parts of composite silicate, 10 - 15 parts of microporous silicate, 20 - 30 parts of foamed cement, 10 - 15 parts of FS cement fly ash, 7 - 9 parts of urea-formaldehyde resin, 6 - 8 parts of dioctyl phthalate, and 40 - 50 parts of water.

[0010] According to the above, the manufacturing method of the thermal insulation material is as follows:

[0011] S1. Mixing and stirring: Add all the polyurethane, composite silicate, microporous silicate, foamed cement, FS cement fly ash, urea formaldehyde resin, phthalate diester, and water divided by weight into the mixing tank and mix and stir them.

[0012] S2. Pressure filtration and forming: Take out the mixture obtained in S1, then place it in a mold with a filtering function and press and filter it with a press to form a wet blank of the insulation board.

[0013] S3. Drying and forming: Take out the wet blank of the insulation board in S2, then put it into the drying room for drying, and then take out the finished insulation material after drying.

[0014] Preferably, the temperature in the mixing tank in S1 is 40 - 50 degrees, and the working time of the mixing tank is 2 - 3 hours.

[0015] Preferably, the value of the pressure gauge of the press in S2 should be controlled at 15 - 20 Mpa.

[0016] Preferably, the temperature in the drying room in S3 is 120 - 140 degrees, and the baking time is 60 - 70 hours.

[0017] Preferably, the water content of the finished insulation material taken out in S3 should be controlled at 0.4 - 0.8%.

[0018] An insulation board made of the building exterior wall energy-saving insulation material as described above.

[0019] (III) Beneficial effects

[0020] The present invention provides a building exterior wall energy-saving insulation material and its insulation board. It has the following beneficial effects:

[0021] 1. The insulation material of the present invention has relatively high strength, good heat preservation, heat insulation, and adiabatic effects, long service life, and good compressive effect, which can improve the utilization rate of building energy and reduce its heat loss.

[0022] 2. Phthalate diester is added during the production process of the insulation material of the present invention, which can quickly mix various materials, reduce the mixing time, and improve the production rate of the insulation board. Specific embodiments

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Embodiment 1:

[0025] An embodiment of the present invention provides an energy-saving thermal insulation material for building exterior walls and its thermal insulation board, including polyurethane, composite silicate, microporous silicate, foamed cement, FS cement fly ash, urea-formaldehyde resin, phthalic acid diester, and water. The polyurethane, composite silicate, microporous silicate, foamed cement, FS cement fly ash, urea-formaldehyde resin, phthalic acid diester, and water are in parts by weight as follows:

[0026] 8 parts of polyurethane, 5 parts of composite silicate, 10 parts of microporous silicate, 20 parts of foamed cement, 10 parts of FS cement fly ash, 7 parts of urea-formaldehyde resin, 6 parts of phthalic acid diester, and 40 parts of water.

[0027] The manufacturing method of the thermal insulation material is as follows:

[0028] S1. Mixing and stirring: Add all the polyurethane, composite silicate, microporous silicate, foamed cement, FS cement fly ash, urea-formaldehyde resin, phthalic acid diester, and water divided by weight into the stirring tank. The temperature in the stirring tank is 40 - 50 degrees, and mix and stir. The working time of the stirring tank is 2 - 3H;

[0029] S2. Pressure filtration and forming: Take out the mixture obtained in S1, and then place it in a mold with a filtering function and press and filter it with a press to form a wet blank of the thermal insulation board. The value of the pressure gauge of the press should be controlled at 15 - 20 Mpa;

[0030] S3. Drying and forming: Take out the wet blank of the thermal insulation board in S2, and then put it into the drying room for drying. The temperature in the drying room is 120 - 140 degrees, and the baking time is 60 - 70. Then take out the finished product of the dried thermal insulation material. The water content of the finished product of the thermal insulation material should be controlled at 0.4 - 0.8%.

[0031] A thermal insulation board made of an energy-saving thermal insulation material for building exterior walls as described above.

[0032] Example two:

[0033] Including polyurethane, composite silicate, microporous silicate, foamed cement, FS cement fly ash, urea-formaldehyde resin, phthalic acid diester, and water. The polyurethane, composite silicate, microporous silicate, foamed cement, FS cement fly ash, urea-formaldehyde resin, phthalic acid diester, and water are in parts by weight as follows:

[0034] 10 parts of polyurethane, 7 parts of composite silicate, 15 parts of microporous silicate, 30 parts of foamed cement, 15 parts of FS cement fly ash, 9 parts of urea-formaldehyde resin, 8 parts of phthalic acid diester, and 50 parts of water.

[0035] The manufacturing method of the thermal insulation material is as follows:

[0036] S1. Mixing and stirring: Add all the polyurethane, composite silicate, microporous silicate, foamed cement, FS cement fly ash, urea-formaldehyde resin, dibutyl phthalate, and water weighed by parts by weight into the mixing tank. The temperature in the mixing tank is 40 - 50 degrees Celsius. Mix and stir, and the working time of the mixing tank is 2 - 3 hours.

[0037] S2. Pressure filtration and forming: Take out the mixture obtained in S1, and then place it in a mold with a filtering function and use a press to press and form it to obtain a wet blank of the insulation board. The value of the pressure gauge of the press should be controlled at 15 - 20 Mpa.

[0038] S3. Drying and forming: Take out the wet blank of the insulation board in S2, and then put it into a drying room for drying. The temperature in the drying room is 120 - 140 degrees Celsius, and the baking time is 60 - 70 minutes. Then take out the finished insulation material after drying. The water content of the finished insulation material should be controlled at 0.4 - 0.8%.

[0039] An insulation board made of an external wall energy-saving insulation material for buildings as described above

[0040] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An energy-saving and heat-insulating material for the exterior wall of a building, characterized in that: It includes polyurethane, composite silicate, microporous silicate, foamed cement, FS cement fly ash, urea formaldehyde resin, phthalic acid diester, and water. The polyurethane, composite silicate, microporous silicate, foamed cement, FS cement fly ash, urea formaldehyde resin, phthalic acid diester, and water are in the following parts by weight: 8 - 10 parts of polyurethane, 5 - 7 parts of composite silicate, 10 - 15 parts of microporous silicate, 20 - 30 parts of foamed cement, 10 - 15 parts of FS cement fly ash, 7 - 9 parts of urea formaldehyde resin, 6 - 8 parts of phthalic acid diester, and 40 - 50 parts of water; The manufacturing method of the heat - insulating material is as follows: S1. Mixing and stirring: Add all the polyurethane, composite silicate, microporous silicate, foamed cement, FS cement fly ash, urea formaldehyde resin, phthalic acid diester, and water divided by weight parts into the stirring tank and mix and stir; S2. Filter - pressing and forming: Take out the mixture obtained in S1, then place it in a mold with filtering function and use a press to filter - press and form to obtain the wet blank of the heat - insulating board; S3. Drying and forming: Take out the wet blank of the heat - insulating board in S2, put it into the drying room for drying, and then take out the finished product of the heat - insulating material after drying.

2. The energy-saving and heat-insulating building exterior wall material according to claim 1, characterized in that: The temperature in the stirring tank in S1 is 40 - 50 degrees, and the working time of the stirring tank is 2 - 3 h.

3. An energy-saving and heat-insulating building exterior wall material according to claim 1, characterized in that: The value of the pressure gauge of the press in S2 should be controlled at 15 - 20 Mpa.

4. An energy-saving and heat-insulating material for the exterior wall of a building according to claim 1, characterized in that: The temperature in the drying room in S3 is 120 - 140 degrees, and the baking time is 60 - 70 h.

5. The energy-saving and heat-insulating building exterior wall material according to claim 1, characterized in that; The water content of the finished product of the heat - insulating material taken out in S3 should be controlled at 0.4 - 0.8%.

6. A heat - insulating board made of an external - wall energy - saving heat - insulating material for buildings as described in claims 1 - 5.