High-strength gypsum facing material, microporous thermal insulation material and construction method thereof

Abstract

The application provides a high-strength gypsum facing material, a microporous thermal insulation material and a construction method thereof, and belongs to the field of building. The application provides a facing material which comprises the following preparation raw materials in percentage by mass: desulfurization gypsum 45-75%; steel slag sand 15-25%; special cement 15-30%; redispersible latex powder 0.1-2.5%; flame retardant 0.3-2%; water-retention thickening agent 0.1-0.5%; lubricant 0-0.5%; retarder 0.01-0.05%; waterproof agent 0-0.05%; reinforcing agent 0.2-0.5%; and the steel slag sand comprises 45-60wt% of steel slag sand with a particle size of 50-70 meshes, 20-45wt% of steel slag sand with a particle size of 70-90 meshes and 0-10wt% of steel slag sand with a particle size of 90-120 meshes.

Description

Technical Field

[0001] This invention relates to the field of construction, and in particular to a high-strength gypsum facing material, a microporous thermal insulation material, and a construction method thereof. Background Technology

[0002] With the increasing frequency of accidents caused by cracking, falling off, and fires in building exterior insulation, people are paying more and more attention to the development of interior insulation systems. Compared to exterior insulation systems, interior insulation systems are not subject to floor level requirements, offer greater safety during indoor construction, and are easier to install. Meanwhile, with the advancement of sustainable social development, the large-scale utilization of solid waste effectively promotes progress in sustainable development.

[0003] Currently, interior wall insulation mostly uses insulation boards, which are assembled and anchored on-site according to dimensions. After installation, the joints of the insulation boards require special treatment to prevent cracking. Then, a topcoat is applied to the insulation boards, with a mesh fabric embedded in the topcoat. This process is complex. Furthermore, commercially available insulation boards have a high thermal conductivity, requiring a thicker thickness to meet building energy efficiency requirements, which takes up interior space. Additionally, the joints between the boards are prone to cracking, affecting the insulation effect and resulting in a long construction period.

[0004] A small portion of the market uses on-site sprayed rigid polyurethane foam as the insulation material for interior wall insulation, along with an interface bonding layer and lightweight plaster (finishing layer). However, lightweight plaster is prone to cracking, so a crack-resistant layer needs to be set in the finishing layer. For aesthetic purposes, a finishing layer also needs to be set in the crack-resistant layer, which increases the construction steps, construction period and cost. Summary of the Invention

[0005] The purpose of this invention is to provide a high-strength gypsum facing material, a microporous thermal insulation material, and a construction method thereof. The facing material of this invention has good crack resistance, and the thermal insulation material protected by it does not require a crack-resistant layer. The construction steps of the thermal insulation material are few, the cycle is short, and the cost is low.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solution:

[0007] This invention provides a high-strength gypsum facing material, comprising the following raw materials by mass fraction:

[0008]

[0009]

[0010] The steel slag sand contains 45-60 wt% steel slag sand of 50-70 mesh, 20-45 wt% steel slag sand of 70-90 mesh, and 0-10 wt% steel slag sand of 90-120 mesh.

[0011] Preferably, the flame retardant comprises potassium silicate and / or magnesium hydroxide.

[0012] The present invention also provides a thermal insulation material, comprising a thermal insulation layer, a protective layer formed by the protective material described in the above-mentioned scheme, and a finishing layer;

[0013] The insulation layer and the protective layer are also provided with an interface bonding layer.

[0014] Preferably, the thickness of the insulation layer is 10–40 mm.

[0015] Preferably, the insulation layer has a pore structure; the average size of the pores does not exceed 250 μm, and the thermal conductivity is 0.012 to 0.019 W / (m·K).

[0016] Preferably, the insulation layer comprises the following raw materials by mass fraction:

[0017]

[0018] Preferably, the tensile bond strength of the interface adhesive layer is greater than 0.3 MPa.

[0019] Preferably, the interfacial adhesive layer comprises the following raw materials by mass fraction:

[0020]

[0021]

[0022] Preferably, the thickness of the protective layer is 10-20 mm.

[0023] The present invention also provides a construction method for the thermal insulation material described in the above-mentioned scheme, comprising the following steps:

[0024] Insulation material is applied to the inner surface of the wall, and after curing, it forms an insulation layer.

[0025] An interface adhesive layer material is coated on the surface of the insulation layer to form an interface adhesive layer;

[0026] A protective material is coated onto the surface of the interface adhesive layer to form a protective layer;

[0027] A finishing layer is fixed to the surface of the protective layer.

[0028] This invention discloses a facing material, comprising, by mass fraction, the following raw materials: 45-75% desulfurized gypsum; 15-25% steel slag sand; 15-30% special cement; 0.1-2.5% redispersible latex powder; 0.3-2% flame retardant; 0.1-0.5% water-retaining thickener; 0-0.5% lubricant; 0.01-0.05% retarder; 0-0.05% waterproofing agent; and 0.2-0.5% reinforcing agent. The steel slag sand comprises 45-60% 50-70 mesh steel slag sand, 30-45% 70-90 mesh steel slag sand, and 0-10% 90-120 mesh steel slag sand.

[0029] The protective material of this invention uses desulfurized gypsum, a solid waste with micro-expansion properties, and special cement as a cementing material, and selects appropriately graded steel slag sand to make the steel slag sand densely packed, thereby improving the strength and crack resistance of the protective layer and preventing the protective layer from cracking.

[0030] The interfacial adhesive layer prepared by this invention has good adhesion to the prepared insulation layer and protective layer, effectively increasing the adhesion of the three-layer materials.

[0031] The interface bonding layer in this invention can further improve the fire resistance of the insulation layer and increase the adhesion between the insulation layer and the protective layer. The protective layer of this invention has a fast setting time, strong adhesion, high strength, A1 fire-resistant material, slight expansion, and no cracking. It can level and protect the insulation layer and meet the requirements of building energy conservation, B1 grade insulation material smoke toxicity and building fire protection.

[0032] Furthermore, this invention utilizes waste desulfurized gypsum and steel slag sand to prepare high-strength protective gypsum surface layer materials, and uses waste plastics to prepare microporous thermal insulation materials, which is in line with the direction of sustainable development.

[0033] The construction method of this invention achieves seamless splicing, no thermal bridging, and no dampness after construction. Attached Figure Description

[0034] Figure 1 This is a structural diagram of the thermal insulation material according to an embodiment of the present invention. Detailed Implementation

[0035] This invention provides a facial protective material, comprising, by mass fraction, the following raw materials:

[0036]

[0037] The steel slag sand contains 45-60 wt% steel slag sand of 50-70 mesh, 30-45 wt% steel slag sand of 70-90 mesh, and 0-10 wt% steel slag sand of 90-120 mesh.

[0038] For ease of distinction, the present invention defines the desulfurized gypsum, flame retardant, reinforcing agent and retarder in the raw materials for preparing the protective material as the first desulfurized gypsum, the first flame retardant, the first reinforcing agent and the first retarder, respectively.

[0039] The flame retardant and reinforcing agent in the raw materials for preparing the insulation layer are respectively designated as the second flame retardant and the second reinforcing agent;

[0040] The flame retardant, desulfurized gypsum, and retarder in the raw materials for preparing the interface adhesive layer are respectively designated as the third flame retardant, the second desulfurized gypsum, and the second retarder.

[0041] In this invention, the raw materials for preparing the protective material of this invention, by mass fraction, include 45-75% of the first desulfurized gypsum, preferably 50-70%, more preferably 55-60%; the mass content of β-type CaSO4·1 / 2H2O in the first desulfurized gypsum is preferably ≥90%, the mass content of CaSO4·2H2O is preferably ≤3%, and the mass content of anhydrous CaSO4 is preferably ≤0.

[0042] The raw materials for preparing the protective material of the present invention, by mass fraction, include 15-25% steel slag sand, preferably 16-20%; the proportion of 50-70 mesh steel slag sand is 45-60 wt%, preferably 50-55 wt%; the proportion of 70-90 mesh steel slag sand is 30-45 wt%, preferably 35-40 wt%; and the proportion of 90-120 mesh steel slag sand is 0-10 wt%, preferably 2-8 wt%, more preferably 4-6 wt%.

[0043] The raw materials for preparing the protective material of the present invention, by mass fraction, include 15-30% special cement, preferably 18-25%, more preferably 20-24%; the special cement preferably includes sulfoaluminate cement and / or aluminate cement;

[0044] The raw materials for preparing the facial protection material of the present invention, by mass fraction, include 0.1-2.5% redispersible latex powder, preferably 0.5-2%, more preferably 1-1.5%;

[0045] The raw materials for preparing the protective material of the present invention, by mass fraction, include 0.3-2% of a first flame retardant, preferably 0.5-1.5%, more preferably 0.6-1.2%; the first flame retardant preferably includes potassium silicate and / or magnesium hydroxide;

[0046] The raw materials for preparing the facial protective material of the present invention include 0.1-0.5% (by mass fraction), preferably 0.2-0.4% (by mass fraction of a water-retaining thickener); the water-retaining thickener preferably includes one or more of hydroxyethyl methyl cellulose ether, methyl cellulose ether, and polyvinyl alcohol.

[0047] The raw materials for preparing the protective material of the present invention, by mass fraction, include 0-0.5% lubricant, preferably 0.1-0.4%, more preferably 0.2-0.3%; the lubricant preferably includes magnesium aluminum silicate and / or bentonite;

[0048] The raw materials for preparing the protective material of the present invention include 0.01-0.05% retarder, preferably 0.02-0.04% by mass fraction; the retarder preferably includes one or more of amino acid retarder, protein retarder and inorganic salt retarder.

[0049] The raw materials for preparing the protective material of the present invention, by mass fraction, include 0-0.05% waterproofing agent, preferably 0.01-0.04%, more preferably 0.02-0.03%; the waterproofing agent preferably includes potassium silicate or organosilicon;

[0050] The raw materials for preparing the protective material of the present invention, by mass fraction, include 0.2-0.5% of a first reinforcing agent, preferably 0.3-0.4%; the first reinforcing agent preferably includes one or more of polycarboxylate superplasticizer, condensed polyacid salt and glass fiber.

[0051] The present invention also provides a thermal insulation material, comprising a thermal insulation layer, a protective layer formed by the protective material described in the above-mentioned scheme, and a finishing layer;

[0052] The insulation layer and the protective layer are also provided with an interface bonding layer.

[0053] In this invention, the thickness of the insulation layer is preferably 10-40 mm, more preferably 20-30 mm; the insulation layer preferably contains pores; the average size of the pores is preferably no more than 250 μm, and the thermal conductivity is preferably 0.012-0.019 W / (m·K).

[0054] In this invention, the raw materials for preparing the insulation layer preferably include 30-70% polyester polyol, more preferably 40-60%, and even more preferably 45-50% by mass fraction; the polyester polyol is preferably obtained from waste plastics through alcoholysis reaction.

[0055] The raw materials for preparing the insulation layer preferably include 18-35% modified isocyanate, more preferably 20-30%, and even more preferably 24-25% by mass fraction;

[0056] The preferred method for preparing the modified isocyanate includes the following steps:

[0057] A coupling reaction was carried out by mixing monoaminosilane with isocyanate.

[0058] In this invention, the molar ratio of the monoaminosilane to the isocyanate is preferably 0.02 to 0.05:1, more preferably 0.03 to 0.04:1; the monoaminosilane preferably includes γ-aminopropyltriethoxysilane; and the isocyanate preferably includes toluene diisocyanate.

[0059] In this invention, the temperature of the coupling reaction is preferably 50–90°C, more preferably 60–80°C; the time is preferably 2–4 hours, more preferably 2.5–3 hours.

[0060] The raw materials for preparing the insulation layer preferably include 10-25% of a second flame retardant, more preferably 13-25%, and even more preferably 15-22% by mass fraction; the second flame retardant preferably includes potassium silicate and / or magnesium hydroxide;

[0061] The raw materials for preparing the insulation layer preferably include 2-5% foaming agent by mass fraction, more preferably 3-4%; the foaming agent preferably includes one or more of cyclopentane, azodicarbonamide and sodium bicarbonate;

[0062] The raw materials for preparing the insulation layer preferably include 0-0.05% catalyst by mass fraction, more preferably 0.01-0.04%, and even more preferably 0.02-0.03% catalyst; the catalyst preferably includes dilauric acid or triethanolamine.

[0063] The raw materials for preparing the insulation layer preferably include 0-0.2% foam stabilizer, more preferably 0.1-0.15% by mass fraction; the foam stabilizer preferably includes one or more of dimethyl silicone oil, polysiloxane and gelatin;

[0064] The raw materials for preparing the insulation layer preferably include 0-0.03% crosslinking agent, more preferably 0.01-0.02% by mass fraction; the crosslinking agent preferably includes glycerol.

[0065] The raw materials for preparing the insulation layer preferably include 0-0.5% of a second reinforcing agent by mass fraction, more preferably 0.1-0.4%, and even more preferably 0.2-0.3%; the second reinforcing agent preferably includes glass fiber.

[0066] In this invention, the tensile bond strength of the interface adhesive layer is preferably greater than 0.3 MPa.

[0067] In this invention, the raw materials for preparing the interface adhesive layer preferably include 50-75% of the second desulfurized gypsum, more preferably 55-70%, and even more preferably 60-65% by mass fraction;

[0068] The raw materials for preparing the interfacial adhesive layer preferably include 15-25% steel slag powder, more preferably 18-20%, by mass fraction; the specific surface area of ​​the steel slag powder is preferably not less than 500 m². 2 / g;

[0069] The raw materials for preparing the interfacial adhesive layer preferably include 10-25% emulsion, more preferably 15-18% by mass fraction; the emulsion preferably includes one or two of acrylic emulsion, vinyl acetate-ethylene copolymer emulsion and styrene-butadiene emulsion.

[0070] The raw materials for preparing the interface adhesive layer preferably include 0.3-2% of a third flame retardant, more preferably 0.5-1.5%, and even more preferably 0.8-1.2% by mass fraction; the third flame retardant preferably includes potassium silicate and / or magnesium hydroxide;

[0071] The raw materials for preparing the interface adhesive layer preferably include 0.1-0.5% thickener, more preferably 0.3-0.4% by mass fraction; the thickener preferably includes hydroxyethyl methyl cellulose ether and / or a sorbent polymer, and when the thickener is hydroxyethyl methyl cellulose ether and a sorbent polymer, the mass ratio of the hydroxyethyl methyl cellulose ether and the sorbent polymer is 1:1;

[0072] The raw materials for preparing the interfacial adhesive layer preferably include 0-0.5% surface modifier, more preferably 0.1-0.4%, and even more preferably 0.2-0.3% by mass fraction; the surface modifier preferably includes silane coupling agent and / or stearic acid;

[0073] The raw materials for preparing the interfacial adhesive layer preferably include 0-0.05% dispersant, more preferably 0.1-0.4%, and even more preferably 0.2-0.3% by mass fraction; the dispersant preferably includes water glass and / or polyacrylamide, and when the dispersant is water glass and polyacrylamide, the mass ratio of water glass to polyacrylamide is 2:1;

[0074] The raw materials for preparing the interface adhesive layer preferably include 0.01-0.05% of a second retarder, more preferably 0.2-0.3% by mass fraction; the second retarder preferably includes one or more of amino acid retarders, protein retarders and inorganic salt retarders.

[0075] In this invention, the finishing layer preferably includes one or more of paint finish, slab finish, and brick finish.

[0076] The present invention also provides a construction method for the thermal insulation material described in the above-mentioned scheme, comprising the following steps:

[0077] The raw materials for preparing the insulation layer are coated on the inner surface of the wall, and the insulation layer is formed after curing.

[0078] The raw materials for preparing the interface adhesive layer are coated on the surface of the insulation layer to form the interface adhesive layer;

[0079] The raw materials for preparing the protective material are coated onto the surface of the interfacial adhesive layer to form the protective layer;

[0080] A finishing layer is fixed to the surface of the protective layer.

[0081] The present invention involves coating the inner surface of a wall with the raw materials for preparing an insulation layer, which then cures to form the insulation layer.

[0082] In this invention, the coating method is preferably spraying, the spraying pressure is preferably 10-15 MPa, and the distance between the spray head and the wall surface is preferably 800-1200 mm.

[0083] In this invention, the wall is preferably one or more of the following: cast-in-place concrete wall, precast PC concrete wall, aerated concrete wall, block brick wall, hollow brick wall, and steel structure wall.

[0084] After curing to form an insulation layer, the present invention coats the surface of the insulation layer with the raw materials for preparing the interface adhesive layer to form the interface adhesive layer.

[0085] In this invention, the coating method is preferably spraying.

[0086] After forming the interface adhesive layer, the present invention coats the surface of the interface adhesive layer with the raw materials for preparing the protective material to form the protective layer, and then fixes the finishing layer on the surface of the protective layer.

[0087] In this invention, the coating method is preferably spraying.

[0088] The structural diagram of the thermal insulation material in this embodiment of the invention is shown below. Figure 1 As shown: 1-wall, 2-insulation layer, 3-interface bonding layer, 4-protective layer, 5-finishing layer.

[0089] The following detailed description, in conjunction with embodiments, of the high-strength gypsum facing material, microporous thermal insulation material, and their construction methods provided by the present invention, should not be construed as limiting the scope of protection of the present invention.

[0090] The modified isocyanate in the example was prepared by mixing γ-aminopropyltriethoxysilane and toluene diisocyanate in a molar ratio of 0.04:1 and then coupling them at 50°C for 130 min.

[0091] Example 1

[0092] The raw materials for preparing thermal insulation materials, by mass fraction, are:

[0093]

[0094]

[0095] The raw materials for preparing the interfacial adhesive layer, by mass fraction, are:

[0096]

[0097] The raw materials for preparing the face protection material, by mass fraction, are:

[0098]

[0099] The raw materials for preparing the thermal insulation layer sprayed on the PC concrete wall were used to obtain a thermal insulation layer with a thickness of 10 mm (internal micropore size of 220 μm, thermal conductivity of 0.013 W / (m·K), smoke toxicity (smoke production s2, combustion drips / particulates d1, smoke toxicity t1).

[0100]

[0101]

[0102] The raw materials for preparing the interfacial adhesive layer, by mass fraction, are:

[0103]

[0104] The raw materials for preparing the face protection material, by mass fraction, are:

[0105]

[0106]

[0107] The raw materials for preparing the insulation layer sprayed on the steel structure wall were used to obtain an insulation layer with a thickness of 15 mm (internal micropore size of 230 μm, thermal conductivity of 0.015 W / (m·K), smoke toxicity (smoke production s2, combustion drips / particles d0, smoke toxicity t1).

[0108] The raw materials for preparing the interface adhesive layer were sprayed onto the surface of the insulation layer. The tensile bond strength between the interface adhesive layer and the insulation layer was 0.43 MPa, which was obtained according to the method for measuring tensile bond strength in GB / T 28627-2023 "Plaster Gypsum".

[0109] Raw materials for preparing the protective material are sprayed onto the surface of the interface adhesive layer to obtain a protective layer with a thickness of 15 mm and a strength of 15.2 MPa. Then, a coating is sprayed onto the surface of the protective layer to form a finishing layer.

[0110] Example 3

[0111] The raw materials for preparing thermal insulation materials, by mass fraction, are:

[0112]

[0113] The raw materials for preparing the interfacial adhesive layer, by mass fraction, are:

[0114] The desulfurized gypsum content is 55%; the mass content of β-type CaSO4·1 / 2H2O is 93%, the mass content of CaSO4·2H2O is 2.8%, and the remainder is impurities.

[0115] The steel slag powder comprises 24.78%; the specific surface area of ​​the steel slag powder is 590 m². 2 / kg;

[0116] 18% acrylic emulsion and vinyl acetate-ethylene copolymer emulsion; 30% solids content of acrylic emulsion and vinyl acetate-ethylene copolymer emulsion;

[0117] Magnesium hydroxide 1.2%;

[0118] The content of 0.4% of methyl cellulose ether and 0.4% of hydroxyethyl methyl cellulose ether is 1:1.

[0119] Silane coupling agent KH-550 0.3%;

[0120] Water glass and polyacrylamide 0.3%; the mass ratio of water glass to polyacrylamide is 2:1;

[0121] Amino acid retarder 200P 0.02%.

[0122] The raw materials for preparing the face protection material, by mass fraction, are:

[0123]

[0124] The raw materials for preparing the thermal insulation layer sprayed on the aerated concrete wall were used to obtain a thermal insulation layer with a thickness of 20 mm (internal micropore size of 245 μm, thermal conductivity of 0.018 W / (m·K), smoke toxicity (smoke production s2, combustion drips / particulates d1, smoke toxicity t1);

[0125] The raw materials for preparing the interface adhesive layer were sprayed onto the surface of the insulation layer. The tensile bond strength between the interface adhesive layer and the insulation layer was 0.57 MPa, obtained according to the method for measuring tensile bond strength in GB / T 28627-2023 "Plaster Gypsum".

[0126] Raw materials for preparing the protective material are sprayed onto the surface of the interface adhesive layer to obtain a protective layer with a thickness of 10 mm and a strength of 18.2 MPa. Then, ceramic tiles are bonded to the surface of the protective layer to form a decorative layer.

[0127] Comparative Example 1

[0128] The raw materials for preparing thermal insulation materials, by mass fraction, are:

[0129]

[0130] The raw materials for preparing the interfacial adhesive layer, by mass fraction, are:

[0131]

[0132] The raw materials for preparing the face protection material, by mass fraction, are:

[0133]

[0134]

[0135] The raw materials for preparing the thermal insulation layer sprayed on the aerated concrete wall were used to obtain a thermal insulation layer with a thickness of 20 mm (internal micropore size of 282 μm, thermal conductivity of 0.025 W / (m·K), smoke toxicity (smoke production s2, combustion drips / particulates d1, smoke toxicity t2);

[0136] The raw materials for preparing the interface adhesive layer were sprayed onto the surface of the insulation layer. The tensile bond strength between the interface adhesive layer and the insulation layer was 0.55 MPa, obtained according to the method for measuring tensile bond strength in GB / T 28627-2023 "Plastering Plaster".

[0137] The raw materials for preparing the protective material are sprayed onto the surface of the interface adhesive layer to obtain a protective layer with a thickness of 20 mm and a strength of 5.7 MPa. Then, ceramic tiles are bonded to the surface of the protective layer to form a finishing layer. The above description is merely a preferred embodiment of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A thermal insulation material, characterized in that, It includes a thermal insulation layer, a protective layer formed by protective materials, and a finishing layer, which are stacked in sequence; An interface bonding layer is also provided between the insulation layer and the protective layer; The raw materials for preparing the protective material, by mass fraction, are: Desulfurized gypsum 45~75%; Steel slag sand 15~25%; Special cement 15-30%; Redispersible latex powder 0.1~2.5%; The first flame retardant is 0.3-2%; Water-retaining and thickening agent 0.1~0.5%; Lubricant 0~0.5%; the lubricant includes magnesium aluminum silicate and / or bentonite; Retarder 0.01~0.05%; Waterproofing agent 0~0.05%; First reinforcing agent: 0.2-0.5%; The steel slag sand contains 45-60 wt% 50-70 mesh steel slag sand, 20-45 wt% 70-90 mesh steel slag sand, and 0-10 wt% 90-120 mesh steel slag sand. The insulation layer comprises the following raw materials by mass fraction: Polyester polyols: 30-70%; Modified isocyanate 18~35%; Second flame retardant 10-25%; Foaming agent 2~5%; Catalyst 0~0.05%; Foam stabilizer 0~0.2%; Crosslinking agent 0~0.03%; Second reinforcing agent: 0~0.5%; The method for preparing the modified isocyanate includes the following steps: A coupling reaction was carried out by mixing monoaminosilane with isocyanate.

2. The thermal insulation material according to claim 1, characterized in that, The first flame retardant includes potassium silicate and / or magnesium hydroxide; The second flame retardant includes potassium silicate and / or magnesium hydroxide.

3. The thermal insulation material according to claim 1, characterized in that, The thickness of the insulation layer is 10~40mm.

4. The thermal insulation material according to claim 1, characterized in that, The insulation layer has a porous structure; the average size of the porous structure does not exceed 250 μm, and the thermal conductivity is 0.012~0.019 W / (m·K).

5. The thermal insulation material according to claim 1, characterized in that, The tensile bond strength of the interface adhesive layer is greater than 0.3 MPa.

6. The thermal insulation material according to claim 1 or 5, characterized in that, The interfacial adhesive layer comprises the following raw materials by mass fraction: Desulfurized gypsum 50-75%; Steel slag powder 15~25%; Emulsion 10~25%; Flame retardant 0.3~2%; Thickener 0.1~0.5%; Surface modifier 0~0.5%; Dispersant 0~0.05%; Retarder 0.01~0.05%.

7. The thermal insulation material according to claim 1, characterized in that, The thickness of the protective layer is 10~20mm.

8. A construction method for the thermal insulation material according to any one of claims 1 to 7, characterized in that, Includes the following steps: Insulation material is applied to the inner surface of the wall, and after curing, it forms an insulation layer. An interface adhesive layer material is coated on the surface of the insulation layer to form an interface adhesive layer; A protective material is coated onto the surface of the interface adhesive layer to form a protective layer; A finishing layer is fixed to the surface of the protective layer.

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