Weather-resistant waterproof insulation board and preparation process thereof

Abstract

The invention belongs to the technical field of plate processing, and particularly relates to a weather-resistant waterproof heat preservation plate and a preparation technology thereof.The weather-resistant waterproof heat preservation plate comprises a core material, a reinforced layer and a bonding layer, the core material comprises a high-compression-resistance extruded polystyrene foam plate, the reinforced layer comprises glass fiber alkali-resistant gridding cloth, the bonding layer comprises polymer cement mortar, and the polymer cement mortar is arranged between the reinforced layer and the bonding layer. The polymer cement mortar comprises dry powder, an additive and a liquid material, has multiple functions of water resistance, heat preservation, moisture resistance, mildew resistance and the like, and is suitable for key parts such as outer walls, roofs, floors and basements of buildings.

Description

Technical Field

[0001] The invention belongs to the technical field of plate processing, in particular to a weather-resistant waterproof thermal insulation plate and a preparation process thereof. Background Art

[0002] The definition of plate in the prior art refers to a flat rectangular building material board made of standard size, which is used in the construction industry as a component of walls, ceilings or floors. It also refers to metal plates made by forging, rolling or casting. Plates can be divided into thin plates, medium plates, thick plates and extra thick plates according to their thickness. They are usually made into flat rectangular building material boards of standard size.

[0003] Among them, the board materials can be divided into multi-layer plywood, decorative panels, wood panels, Malachite decks and backing boards according to their types. However, the current backing boards will generally have the following problems as the use time increases during use: such as easy to be affected by moisture and mold, poor bonding strength, poor thermal insulation performance, and weak waterproof performance. Summary of the invention

[0004] In order to make up for the deficiencies of the prior art and solve the above technical problems, the present invention proposes a weather-resistant waterproof insulation board and a preparation process thereof, which can improve the waterproof, heat-insulating, moisture-proof and mildew-proof properties of the waterproof insulation board. The specific scheme is as follows;

[0005] A weather-resistant waterproof insulation board, comprising:

[0006] A core material;

[0007] A reinforced layer

[0008] An adhesive layer.

[0009] Preferably, the core material comprises a high compression-resistant extruded polystyrene foam board.

[0010] Preferably, the reinforcement layer comprises glass fiber alkali-resistant mesh cloth.

[0011] Preferably, the bonding layer comprises polymer cement mortar, wherein the polymer cement mortar comprises dry powder, admixture and liquid material.

[0012] Preferably, the dry powder includes cement, No. 6 sand and No. 7 sand.

[0013] Preferably, the admixture includes fly ash, cellulose ether, defoamer, water reducing agent and bentonite.

[0014] Preferably, the liquid material comprises EVA emulsion, water and a water repellent.

[0015] Preferably, the cement accounts for 50% of the weight of the dry powder by weight, the No. 6 sand accounts for 45% of the weight of the dry powder by weight, and the No. 7 sand accounts for 5% of the weight of the dry powder by weight;

[0016] The fly ash accounts for 72.46% of the weight of the admixture by weight, the cellulose ether accounts for 7.246% of the weight of the admixture by weight, the defoamer accounts for 7.246% of the weight of the admixture by weight, the water reducing agent accounts for 7.246% of the weight of the admixture by weight, and the bentonite accounts for 5.797% of the weight of the admixture by weight;

[0017] The EVA emulsion accounts for 18.3% of the weight of the liquid material by weight, the water accounts for 78.43% of the weight of the liquid material by weight, and the water repellent accounts for 3.267% of the weight of the liquid material by weight.

[0018] A process for preparing a weather-resistant waterproof thermal insulation board is used for preparing the weather-resistant waterproof thermal insulation board described above, and the process comprises the following steps:

[0019] S1: Cutting high compression strength extruded polystyrene foam board into required size and thickness;

[0020] S2: coating a layer of glass fiber alkali-resistant mesh cloth on the surface of the high-compression extruded polystyrene foam board, and then coating the polymer cement mortar on the surface to form a waterproof insulation board;

[0021] S3: placing the formed waterproof insulation board in a curing condition, applying humidity and temperature to ensure that the adhesive layer is firmly bonded to the high-compression extruded polystyrene foam board;

[0022] S4: Cut the formed waterproof insulation board into the required size and trim it to ensure the edge is flat;

[0023] S5: Package the finished waterproof insulation boards and store them in dry and ventilated conditions to ensure product quality.

[0024] The beneficial effects of the present invention are as follows:

[0025] The weather-resistant waterproof thermal insulation board and the preparation process thereof described in the present invention have multiple functions such as waterproofing, thermal insulation, moisture-proofing, and mildew-proofing, and are suitable for key parts such as exterior walls, roofs, floors, and basements of buildings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The present invention will be further described below in conjunction with the accompanying drawings.

[0027] Figure 1 It is a process diagram for preparing the weather-resistant waterproof thermal insulation board of the present invention. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0029] Embodiment 1: Figure 1 As shown, on the one hand, the present invention provides a weather-resistant waterproof insulation board, including a core material, a reinforcement layer and an adhesive layer;

[0030] The core material includes a high-pressure extruded polystyrene foam board; the high-pressure extruded polystyrene foam board is mainly made of polystyrene, which is an excellent low-thermal conductivity material. With the help of extrusion, the compact honeycomb structure can more effectively prevent heat conduction. The thermal conductivity of the energy-gathering board is 0.028W / mk, and it has the characteristics of high thermal resistance and low linear expansion rate. The thermal conductivity is much lower than other insulation materials.

[0031] Moreover, the high-compression extruded polystyrene foam board has a tight closed-cell structure. The polystyrene molecular structure itself does not absorb water, and there are no gaps on the front and back of the board. Therefore, the water absorption rate is extremely low, and the moisture-proof and anti-penetration properties are very good.

[0032] The reinforcement layer includes glass fiber alkali-resistant mesh cloth; the glass fiber mesh cloth is based on glass fiber woven fabric, which is impregnated with a polymer anti-emulsion coating, so that it has good alkali resistance, flexibility and high tensile strength in warp and weft directions, and can be widely used in thermal insulation, waterproofing, fire prevention, crack resistance, etc. of internal and external walls of buildings. The glass fiber mesh cloth is mainly alkali-resistant glass fiber mesh cloth, which is made of medium-alkali-free glass fiber yarn through a special organizational structure - gauze organization, and then subjected to high-temperature heat setting treatment such as anti-alkali solution and reinforcing agent.

[0033] The bonding layer includes polymer cement mortar, wherein the polymer cement mortar includes dry powder, admixture and liquid material;

[0034] Specifically, the dry powder includes cement, No. 6 sand and No. 7 sand.

[0035] Specifically, the admixture includes fly ash, cellulose ether, defoamer, water reducing agent and bentonite.

[0036] Specifically, the liquid material includes EVA emulsion, water and a water repellent.

[0037] Specifically, the cement accounts for 50% of the weight of the dry powder by weight, the No. 6 sand accounts for 45% of the weight of the dry powder by weight, and the No. 7 sand accounts for 5% of the weight of the dry powder by weight. In one embodiment, the total weight of the dry powder is 1000 kg, then the weight of the cement is 500 kg, the weight of the No. 6 sand is 450 kg, and the weight of the No. 7 sand is 50 kg.

[0038] Specifically, the fly ash accounts for 72.46% of the weight of the admixture by weight, the cellulose ether accounts for 7.246% of the weight of the admixture by weight, the defoamer accounts for 7.246% of the weight of the admixture by weight, the water reducer accounts for 7.246% of the weight of the admixture by weight, and the bentonite accounts for 5.797% of the weight of the admixture by weight. In one embodiment, the weight of the admixture as a whole is 13.8 kg, then the weight of the fly ash is 10 kg, the weight of the cellulose ether is 1 kg, the weight of the defoamer is 1 kg, the weight of the water reducer is 1 kg, and the weight of the bentonite is 0.8 kg.

[0039] Specifically, the EVA emulsion accounts for 18.3% of the weight of the liquid material by weight, the water accounts for 78.43% of the weight of the liquid material by weight, and the hydrophobic agent accounts for 3.267% of the weight of the liquid material by weight. In one embodiment, the weight of the entire liquid material is 153 kg, then the weight of the EVA emulsion is 28 kg, the weight of the water is 120 kg, and the weight of the hydrophobic agent is 5 kg.

[0040] Embodiment 2, another aspect of the present invention provides a process for preparing a weather-resistant waterproof insulation board, the process comprising the following steps:

[0041] S1: cutting the high-compression extruded polystyrene foam board into a desired size and thickness; wherein the shape of the extruded polystyrene foam board is generally a rectangle or a square;

[0042] S2: Apply a layer of glass fiber alkali-resistant mesh cloth on the surface of the high-compression extruded polystyrene foam board, and then apply polymer cement mortar on its surface to form the waterproof insulation board, by applying the polymer cement mortar on the surface of the high-compression extruded polystyrene foam board, and easily covering the glass fiber alkali-resistant mesh cloth as the basis, ensuring that the polymer cement mortar material evenly covers the entire surface of the high-compression extruded polystyrene foam board to ensure effective bonding performance;

[0043] S3: Place the formed waterproof insulation board in curing conditions and apply appropriate humidity and temperature. Specifically, place the waterproof insulation board in a humidity of 95% and a temperature of 25°C for oxidation to ensure that the adhesive layer is firmly bonded to the high-compression extruded polystyrene foam board. At the same time, the formed waterproof insulation board also needs to be pressed and cured. The purpose of pressing is to further increase the density and strength of the backing board, and to make the surface of the waterproof insulation board smoother. The curing process is to enhance the hardness and durability of the waterproof insulation board through the hydration reaction in the cement.

[0044] S4: Cut the formed waterproof insulation board into the required size and trim it to ensure the edge is flat;

[0045] S5: Package the finished waterproof insulation boards and store them under appropriate conditions, such as in a cool, dry and ventilated place to ensure product quality.

[0046] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A weather-resistant waterproof insulation board, characterized in that: include: A core material; A reinforced layer An adhesive layer.

2. A weather-resistant waterproof insulation board according to claim 1, characterized in that: The core material includes high compression strength extruded polystyrene foam board.

3. A weather-resistant waterproof insulation board according to claim 1, characterized in that: The reinforcement layer comprises glass fiber alkali-resistant mesh cloth.

4. A weather-resistant waterproof insulation board according to claim 1, characterized in that: The bonding layer includes polymer cement mortar, wherein the polymer cement mortar includes dry powder, admixture and liquid material.

5. A weather-resistant waterproof insulation board according to claim 4, characterized in that: The dry powder includes cement, No. 6 sand and No. 7 sand.

6. A weather-resistant waterproof insulation board according to claim 4, characterized in that: The admixture comprises fly ash, cellulose ether, defoamer, water reducing agent and bentonite.

7. The weather-resistant waterproof insulation board according to claim 4, characterized in that: The liquid material comprises EVA emulsion, water and a water repellent.

8. A weather-resistant waterproof insulation board according to claim 5, 6 or 7, characterized in that: The cement accounts for 50% of the weight of the dry powder by weight, the No. 6 sand accounts for 45% of the weight of the dry powder by weight, and the No. 7 sand accounts for 5% of the weight of the dry powder by weight; The fly ash accounts for 72.46% of the weight of the admixture by weight, the cellulose ether accounts for 7.246% of the weight of the admixture by weight, the defoamer accounts for 7.246% of the weight of the admixture by weight, the water reducing agent accounts for 7.246% of the weight of the admixture by weight, and the bentonite accounts for 5.797% of the weight of the admixture by weight; The EVA emulsion accounts for 18.3% of the weight of the liquid material by weight, the water accounts for 78.43% of the weight of the liquid material by weight, and the water repellent accounts for 3.267% of the weight of the liquid material by weight.

9. A process for preparing a weather-resistant waterproof insulation board, characterized in that: Used for preparing the weather-resistant waterproof insulation board according to any one of claims 1 to 8, the process comprises the following steps: S1: Cutting high compression strength extruded polystyrene foam board into required size and thickness; S2: coating a layer of glass fiber alkali-resistant mesh cloth on the surface of the high-compression extruded polystyrene foam board, and then coating the polymer cement mortar on the surface to form a waterproof insulation board; S3: placing the formed waterproof insulation board in a curing condition, applying humidity and temperature to ensure that the adhesive layer is firmly bonded to the high-compression extruded polystyrene foam board; S4: Cut the formed waterproof insulation board into the required size and trim it to ensure the edge is flat; S5: Package the finished waterproof insulation boards and store them in dry and ventilated conditions to ensure product quality.

Images