Composite XPS extruded sheet and preparation method thereof

Abstract

The invention discloses a composite XPS extruded sheet and a preparation method thereof. The composite XPS extruded sheet comprises the following preparation raw materials: an XPS extruded sheet and a glass fiber reinforced D80 epoxy resin composite material. The interiors of the porous glass beads are of porous structures and are low in density, the D80 epoxy resin has good mechanical strength, and the glass fiber cloth serves as a reinforcing material, so that the performance of the D80 epoxy resin and the porous glass beads can be improved, the pressure resistance and hardness of the XPS extruded sheet can be improved, and the service life of the XPS extruded sheet is prolonged. The aluminum oxide powder is matched with the dispersing agent and the binding agent, so that the dispersity and the binding force among the aluminum oxide powder, the porous glass beads and the D80 epoxy resin can be increased, the heat stability and the hardness of the XPS extruded sheet are effectively improved, and the XPS extruded sheet has good heat resistance and heat preservation performance; meanwhile, external ultraviolet rays can be effectively blocked through the anti-ultraviolet agent, so that the situation that the service life and the performance of the XPS extruded sheet are affected by the ultraviolet rays is prevented.

Description

Technical Field

[0001] The invention relates to the technical field of XPS extruded boards, in particular to a composite XPS extruded board and a preparation method thereof. Background Art

[0002] XPS extruded board is a foam board made of polystyrene through an extrusion molding process. Compared with general boards, it has certain thermal insulation properties, water resistance and pressure resistance. It is widely used in construction, home furnishing, refrigerated transportation and other fields.

[0003] According to patent application No. 202223444046.1, a heat-insulating XPS extruded board is disclosed, comprising a main body, the main body comprising an extruded layer, a heat-insulating layer is fixedly installed at the bottom of the extruded layer, a fiberglass wool layer is fixedly installed on the top of the extruded layer, and a fiberglass wool layer, a heat-insulating layer and a vacuum chamber are arranged on the outside of the extruded layer to improve the heat-insulating and heat-preserving ability of the XPS extruded board, the main body can be conveniently assembled through the clamping grooves at both ends of the extruded layer, the contact surface between the clamping grooves can be increased by the arranged sawtooth, the main bodies can be conveniently bonded, and the stability between the main bodies can be improved, and the surface of the heat-insulating layer can be equally divided by the groove, so as to facilitate the bonding of the heat-insulating layer to the wall surface, reduce the generation of bubbles between the main body and the wall surface, thereby improving the stability of the XPS extruded board, and having high practicality;

[0004] However, when the XPS extruded board in the prior art is laid outside and exposed to ultraviolet light for a long time, the XPS extruded board is prone to material aging due to long-term exposure to ultraviolet light, which will affect its thermal insulation and heat resistance performance. When used in an external dynamic pressure environment, the simple XPS extruded board is frequently subjected to pressure changes, which can easily lead to a decrease in the compressive performance of the XPS extruded board, thereby affecting its mechanical strength.

[0005] Therefore, we proposed a composite XPS extruded board and a preparation method thereof to solve this problem. Summary of the invention

[0006] The purpose of the present invention is to provide a composite XPS extruded board and a preparation method thereof, which have the advantages of UV resistance, pressure resistance and heat resistance and thermal insulation, and solve the problem that when a simple XPS extruded board is laid outside and exposed to an ultraviolet environment for a long time, the XPS extruded board is prone to material aging due to long-term exposure to ultraviolet rays, thereby affecting its thermal insulation and heat resistance performance; when used in an external dynamic pressure environment, the simple XPS extruded board is frequently subjected to pressure changes, which can easily lead to a decrease in the compressive performance of the XPS extruded board, thereby affecting its mechanical strength.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a composite XPS extruded board, the raw materials for preparing which include an XPS extruded board and a glass fiber reinforced D80 epoxy resin composite material, the glass fiber reinforced D80 epoxy resin composite material is arranged on the surface of the XPS extruded board, and the glass fiber reinforced D80 epoxy resin composite material is used to enhance the heat resistance, pressure resistance and UV resistance of the XPS extruded board.

[0008] Preferably, the preparation method comprises the following steps:

[0009] A. Preparation of XPS extruded board:

[0010] A1. Material preparation: polystyrene resin, anti-aging agent and carbon dioxide foaming agent;

[0011] A1. First, pour polystyrene resin, anti-aging agent and carbon dioxide foaming agent into a mixing tank according to a certain proportion, and mix the polystyrene resin, anti-aging agent and carbon dioxide foaming agent evenly through the mixing tank; A2. After mixing, send the mixed raw materials into an extruder for melting, and the molten raw materials will be injected into the extruder, and the raw materials will be extruded into the required shape and thickness through the extruder;

[0012] A3. Finally, the extruded sheet is cooled and shaped by a cooling device to obtain an XPS extruded sheet;

[0013] B. Preparation of glass fiber reinforced D80 epoxy resin composite material:

[0014] B1. Material preparation: porous glass beads, glass fiber cloth, D80 epoxy resin, alumina powder, dispersant, UV inhibitor and adhesive;

[0015] B2, firstly, the porous glass microbeads are cleaned with deionized water, and then ultrasonically cleaned in a methanol solution, and then ultrasonically cleaned again with deionized water, and then placed in a drying oven to dry after cleaning;

[0016] B3, pouring the dried porous glass microspheres and alumina powder into an ultrasonic stirrer and mixing them in a certain proportion, so that the alumina powder is evenly distributed on the surface of the porous glass microspheres;

[0017] B4, then add the dispersant, anti-ultraviolet agent and adhesive into the ultrasonic stirrer in sequence, and continue stirring to make the dispersant, anti-ultraviolet agent and adhesive evenly distributed in the mixture;

[0018] B5. Then pour the stirred mixture and D80 epoxy resin into an ultrasonic stirrer and mix them in a certain proportion so that the mixture is evenly distributed in the epoxy resin;

[0019] B6. Then melt the mixed epoxy resin, pour it into the mold after melting, and add glass fiber cloth;

[0020] B7, finally preparing it by vacuum cold pressing and cold pressing, so as to obtain a glass fiber reinforced D80 epoxy resin composite material;

[0021] C. Compounding the composite material with XPS extruded board:

[0022] C1. First, the cooled and formed XPS extruded board is cut into the required size and shape, and then a layer of composite material is laid on the surface of the XPS extruded board. The XPS extruded board with the composite material is placed in a vacuum bag and the vacuum bag is sealed;

[0023] C2. Then put the packaged vacuum bag into the cold pressing equipment, start the equipment for vacuum cold pressing. Under the vacuum environment, the composite material will be tightly combined with the XPS extruded board under the pressure of the cold pressing equipment.

[0024] C3 finally takes out the formed board and places it in a suitable environment for curing. After curing, the preparation of the composite XPS extruded board is completed.

[0025] Preferably, in step B2, the ultrasonic cleaning time of the porous glass microbeads using methanol solution and deionized water is ten to fifteen minutes.

[0026] Preferably, in step B2, the porous glass microbeads are placed in a drying oven for drying after cleaning at a temperature of 60 to 70 degrees Celsius.

[0027] Preferably, in step B3, the time for ultrasonically stirring the porous glass microbeads and the alumina powder is thirty minutes to forty-five minutes.

[0028] Preferably, in step B4, the dispersant, the UV inhibitor and the adhesive are sequentially added into the ultrasonic agitator and stirred for ten to fifteen minutes.

[0029] Preferably, in step B5, the time for ultrasonically stirring the mixture and the D80 epoxy resin is 20 to 30 minutes.

[0030] Preferably, when the mixed epoxy resin is melted in step B6, the melting temperature is 150 degrees Celsius to 170 degrees Celsius.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] The invention compounds an XPS extruded board with a composite material, and adopts D80 epoxy resin, porous glass microbeads, glass fiber cloth, alumina powder, dispersant, anti-ultraviolet agent and adhesive as raw materials of the composite material, thereby effectively improving the performance of the XPS extruded board. The porous glass microbeads have a porous structure and a low density inside, and the D80 epoxy resin has good mechanical strength. The glass fiber cloth is used as a reinforcing material, thereby increasing the performance of the D80 epoxy resin and the porous glass microbeads, so that the compression resistance and hardness of the XPS extruded board can be improved, and the XPS extruded board can be prevented from being deformed or damaged due to external pressure. The alumina powder is combined with a dispersant and a binder to increase the dispersibility and bonding force between the alumina powder, the porous glass microbeads and the D80 epoxy resin, thereby effectively improving the thermal stability and hardness of the XPS extruded board, and the XPS extruded board has good heat resistance and thermal insulation performance. At the same time, the anti-ultraviolet agent can effectively block external ultraviolet rays, thereby preventing the ultraviolet rays from affecting the life and performance of the XPS extruded board. DETAILED DESCRIPTION

[0033] A composite XPS extruded board, the preparation raw materials of which include XPS extruded board and glass fiber reinforced D80 epoxy resin composite material, the glass fiber reinforced D80 epoxy resin composite material is arranged on the surface of the XPS extruded board, and the glass fiber reinforced D80 epoxy resin composite material is used to enhance the heat resistance, pressure resistance and UV resistance of the XPS extruded board.

[0034] The preparation method thereof comprises the following steps:

[0035] A. Preparation of XPS extruded board:

[0036] A1. Material preparation: polystyrene resin, anti-aging agent and carbon dioxide foaming agent;

[0037] A1. First, pour polystyrene resin, anti-aging agent and carbon dioxide foaming agent into a mixing tank according to a certain proportion, and mix the polystyrene resin, anti-aging agent and carbon dioxide foaming agent evenly through the mixing tank; A2. After mixing, send the mixed raw materials into an extruder for melting, and the molten raw materials will be injected into the extruder, and the raw materials will be extruded into the required shape and thickness through the extruder;

[0038] A3. Finally, the extruded sheet is cooled and shaped by a cooling device to obtain an XPS extruded sheet;

[0039] B. Preparation of glass fiber reinforced D80 epoxy resin composite material:

[0040] B1. Material preparation: porous glass beads, glass fiber cloth, D80 epoxy resin, alumina powder, dispersant, UV inhibitor and adhesive;

[0041] B2, firstly, the porous glass microbeads are cleaned with deionized water, and then ultrasonically cleaned in a methanol solution, and then ultrasonically cleaned again with deionized water, and then placed in a drying oven to dry after cleaning;

[0042] B3, pouring the dried porous glass microspheres and alumina powder into an ultrasonic stirrer and mixing them in a certain proportion, so that the alumina powder is evenly distributed on the surface of the porous glass microspheres;

[0043] B4, then add the dispersant, anti-ultraviolet agent and adhesive into the ultrasonic stirrer in sequence, and continue stirring to make the dispersant, anti-ultraviolet agent and adhesive evenly distributed in the mixture;

[0044] B5. Then pour the stirred mixture and D80 epoxy resin into an ultrasonic stirrer and mix them in a certain proportion so that the mixture is evenly distributed in the epoxy resin;

[0045] B6. Then melt the mixed epoxy resin, pour it into the mold after melting, and add glass fiber cloth;

[0046] B7, finally preparing it by vacuum cold pressing and cold pressing, so as to obtain a glass fiber reinforced D80 epoxy resin composite material;

[0047] C. Compounding the composite material with XPS extruded board:

[0048] C1. First, the cooled and formed XPS extruded board is cut into the required size and shape, and then a layer of composite material is laid on the surface of the XPS extruded board. The XPS extruded board with the composite material is placed in a vacuum bag and the vacuum bag is sealed;

[0049] C2. Then put the packaged vacuum bag into the cold pressing equipment, start the equipment for vacuum cold pressing. Under the vacuum environment, the composite material will be tightly combined with the XPS extruded board under the pressure of the cold pressing equipment.

[0050] C3 finally takes out the formed board and places it in a suitable environment for curing. After curing, the preparation of the composite XPS extruded board is completed.

[0051] Embodiment 2:

[0052] In the first embodiment, the following steps are added:

[0053] In step B2, the ultrasonic cleaning time of the porous glass microbeads using methanol solution and deionized water is ten to fifteen minutes.

[0054] The preparation method thereof comprises the following steps:

[0055] A. Preparation of XPS extruded board:

[0056] A1. Material preparation: polystyrene resin, anti-aging agent and carbon dioxide foaming agent;

[0057] A1. First, pour polystyrene resin, anti-aging agent and carbon dioxide foaming agent into a mixing tank according to a certain proportion, and mix the polystyrene resin, anti-aging agent and carbon dioxide foaming agent evenly through the mixing tank; A2. After mixing, send the mixed raw materials into an extruder for melting, and the molten raw materials will be injected into the extruder, and the raw materials will be extruded into the required shape and thickness through the extruder;

[0058] A3. Finally, the extruded sheet is cooled and shaped by a cooling device to obtain an XPS extruded sheet;

[0059] B. Preparation of glass fiber reinforced D80 epoxy resin composite material:

[0060] B1. Material preparation: porous glass beads, glass fiber cloth, D80 epoxy resin, alumina powder, dispersant, UV inhibitor and adhesive;

[0061] B2, firstly, the porous glass microbeads are cleaned with deionized water, and then ultrasonically cleaned in a methanol solution, and then ultrasonically cleaned again with deionized water, and then placed in a drying oven to dry after cleaning;

[0062] B3, pouring the dried porous glass microspheres and alumina powder into an ultrasonic stirrer and mixing them in a certain proportion, so that the alumina powder is evenly distributed on the surface of the porous glass microspheres;

[0063] B4, then add the dispersant, anti-ultraviolet agent and adhesive into the ultrasonic stirrer in sequence, and continue stirring to make the dispersant, anti-ultraviolet agent and adhesive evenly distributed in the mixture;

[0064] B5. Then pour the stirred mixture and D80 epoxy resin into an ultrasonic stirrer and mix them in a certain proportion so that the mixture is evenly distributed in the epoxy resin;

[0065] B6. Then melt the mixed epoxy resin, pour it into the mold after melting, and add glass fiber cloth;

[0066] B7, finally preparing it by vacuum cold pressing and cold pressing, so as to obtain a glass fiber reinforced D80 epoxy resin composite material;

[0067] C. Compounding the composite material with XPS extruded board:

[0068] C1. First, the cooled and formed XPS extruded board is cut into the required size and shape, and then a layer of composite material is laid on the surface of the XPS extruded board. The XPS extruded board with the composite material is placed in a vacuum bag and the vacuum bag is sealed;

[0069] C2. Then put the packaged vacuum bag into the cold pressing equipment, start the equipment for vacuum cold pressing. Under the vacuum environment, the composite material will be tightly combined with the XPS extruded board under the pressure of the cold pressing equipment.

[0070] C3 finally takes out the formed board and places it in a suitable environment for curing. After curing, the preparation of the composite XPS extruded board is completed.

[0071] Embodiment three:

[0072] In the second embodiment, the following steps are added:

[0073] In step B2, the porous glass beads are placed in a drying oven for drying at a temperature of 60 to 70 degrees Celsius after being cleaned.

[0074] The preparation method thereof comprises the following steps:

[0075] A. Preparation of XPS extruded board:

[0076] A1. Material preparation: polystyrene resin, anti-aging agent and carbon dioxide foaming agent;

[0077] A1. First, pour polystyrene resin, anti-aging agent and carbon dioxide foaming agent into a mixing tank according to a certain proportion, and mix the polystyrene resin, anti-aging agent and carbon dioxide foaming agent evenly through the mixing tank; A2. After mixing, send the mixed raw materials into an extruder for melting, and the molten raw materials will be injected into the extruder, and the raw materials will be extruded into the required shape and thickness through the extruder;

[0078] A3. Finally, the extruded sheet is cooled and shaped by a cooling device to obtain an XPS extruded sheet;

[0079] B. Preparation of glass fiber reinforced D80 epoxy resin composite material:

[0080] B1. Material preparation: porous glass beads, glass fiber cloth, D80 epoxy resin, alumina powder, dispersant, UV inhibitor and adhesive;

[0081] B2, firstly, the porous glass microbeads are cleaned with deionized water, and then ultrasonically cleaned in a methanol solution, and then ultrasonically cleaned again with deionized water, and then placed in a drying oven to dry after cleaning;

[0082] B3, pouring the dried porous glass microspheres and alumina powder into an ultrasonic stirrer and mixing them in a certain proportion, so that the alumina powder is evenly distributed on the surface of the porous glass microspheres;

[0083] B4, then add the dispersant, anti-ultraviolet agent and adhesive into the ultrasonic stirrer in sequence, and continue stirring to make the dispersant, anti-ultraviolet agent and adhesive evenly distributed in the mixture;

[0084] B5. Then pour the stirred mixture and D80 epoxy resin into an ultrasonic stirrer and mix them in a certain proportion so that the mixture is evenly distributed in the epoxy resin;

[0085] B6. Then melt the mixed epoxy resin, pour it into the mold after melting, and add glass fiber cloth;

[0086] B7, finally preparing it by vacuum cold pressing and cold pressing, so as to obtain a glass fiber reinforced D80 epoxy resin composite material;

[0087] C. Compounding the composite material with XPS extruded board:

[0088] C1. First, the cooled and formed XPS extruded board is cut into the required size and shape, and then a layer of composite material is laid on the surface of the XPS extruded board. The XPS extruded board with the composite material is placed in a vacuum bag and the vacuum bag is sealed;

[0089] C2. Then put the packaged vacuum bag into the cold pressing equipment, start the equipment for vacuum cold pressing. Under the vacuum environment, the composite material will be tightly combined with the XPS extruded board under the pressure of the cold pressing equipment.

[0090] C3 finally takes out the formed board and places it in a suitable environment for curing. After curing, the preparation of the composite XPS extruded board is completed.

[0091] Embodiment 4:

[0092] In the third embodiment, the following steps are added:

[0093] In step B3, the porous glass microspheres and alumina powder are ultrasonically stirred for 30 to 45 minutes.

[0094] The preparation method thereof comprises the following steps:

[0095] A. Preparation of XPS extruded board:

[0096] A1. Material preparation: polystyrene resin, anti-aging agent and carbon dioxide foaming agent;

[0097] A1. First, pour polystyrene resin, anti-aging agent and carbon dioxide foaming agent into a mixing tank according to a certain proportion, and mix the polystyrene resin, anti-aging agent and carbon dioxide foaming agent evenly through the mixing tank; A2. After mixing, send the mixed raw materials into an extruder for melting, and the molten raw materials will be injected into the extruder, and the raw materials will be extruded into the required shape and thickness through the extruder;

[0098] A3. Finally, the extruded sheet is cooled and shaped by a cooling device to obtain an XPS extruded sheet;

[0099] B. Preparation of glass fiber reinforced D80 epoxy resin composite material:

[0100] B1. Material preparation: porous glass beads, glass fiber cloth, D80 epoxy resin, alumina powder, dispersant, UV inhibitor and adhesive;

[0101] B2, firstly, the porous glass microbeads are cleaned with deionized water, and then ultrasonically cleaned in a methanol solution, and then ultrasonically cleaned again with deionized water, and then placed in a drying oven to dry after cleaning;

[0102] B3, pouring the dried porous glass microspheres and alumina powder into an ultrasonic stirrer and mixing them in a certain proportion, so that the alumina powder is evenly distributed on the surface of the porous glass microspheres;

[0103] B4, then add the dispersant, anti-ultraviolet agent and adhesive into the ultrasonic stirrer in sequence, and continue stirring to make the dispersant, anti-ultraviolet agent and adhesive evenly distributed in the mixture;

[0104] B5. Then pour the stirred mixture and D80 epoxy resin into an ultrasonic stirrer and mix them in a certain proportion so that the mixture is evenly distributed in the epoxy resin;

[0105] B6. Then melt the mixed epoxy resin, pour it into the mold after melting, and add glass fiber cloth;

[0106] B7, finally preparing it by vacuum cold pressing and cold pressing, so as to obtain a glass fiber reinforced D80 epoxy resin composite material;

[0107] C. Compounding the composite material with XPS extruded board:

[0108] C1. First, the cooled and formed XPS extruded board is cut into the required size and shape, and then a layer of composite material is laid on the surface of the XPS extruded board. The XPS extruded board with the composite material is placed in a vacuum bag and the vacuum bag is sealed;

[0109] C2. Then put the packaged vacuum bag into the cold pressing equipment, start the equipment for vacuum cold pressing. Under the vacuum environment, the composite material will be tightly combined with the XPS extruded board under the pressure of the cold pressing equipment.

[0110] C3 finally takes out the formed board and places it in a suitable environment for curing. After curing, the preparation of the composite XPS extruded board is completed.

[0111] Embodiment five:

[0112] In the fourth embodiment, the following steps are added:

[0113] In step B4, the dispersant, the UV-resistant agent and the adhesive are sequentially added into the ultrasonic agitator and stirred for ten to fifteen minutes.

[0114] The preparation method thereof comprises the following steps:

[0115] A. Preparation of XPS extruded board:

[0116] A1. Material preparation: polystyrene resin, anti-aging agent and carbon dioxide foaming agent;

[0117] A1. First, pour polystyrene resin, anti-aging agent and carbon dioxide foaming agent into a mixing tank according to a certain proportion, and mix the polystyrene resin, anti-aging agent and carbon dioxide foaming agent evenly through the mixing tank; A2. After mixing, send the mixed raw materials into an extruder for melting, and the molten raw materials will be injected into the extruder, and the raw materials will be extruded into the required shape and thickness through the extruder;

[0118] A3. Finally, the extruded sheet is cooled and shaped by a cooling device to obtain an XPS extruded sheet;

[0119] B. Preparation of glass fiber reinforced D80 epoxy resin composite material:

[0120] B1. Material preparation: porous glass beads, glass fiber cloth, D80 epoxy resin, alumina powder, dispersant, UV inhibitor and adhesive;

[0121] B2, firstly, the porous glass microbeads are cleaned with deionized water, and then ultrasonically cleaned in a methanol solution, and then ultrasonically cleaned again with deionized water, and then placed in a drying oven to dry after cleaning;

[0122] B3, pouring the dried porous glass microspheres and alumina powder into an ultrasonic stirrer and mixing them in a certain proportion, so that the alumina powder is evenly distributed on the surface of the porous glass microspheres;

[0123] B4, then add the dispersant, anti-ultraviolet agent and adhesive into the ultrasonic stirrer in sequence, and continue stirring to make the dispersant, anti-ultraviolet agent and adhesive evenly distributed in the mixture;

[0124] B5. Then pour the stirred mixture and D80 epoxy resin into an ultrasonic stirrer and mix them in a certain proportion so that the mixture is evenly distributed in the epoxy resin;

[0125] B6. Then melt the mixed epoxy resin, pour it into the mold after melting, and add glass fiber cloth;

[0126] B7, finally preparing it by vacuum cold pressing and cold pressing, so as to obtain a glass fiber reinforced D80 epoxy resin composite material;

[0127] C. Compounding the composite material with XPS extruded board:

[0128] C1. First, the cooled and formed XPS extruded board is cut into the required size and shape, and then a layer of composite material is laid on the surface of the XPS extruded board. The XPS extruded board with the composite material is placed in a vacuum bag and the vacuum bag is sealed;

[0129] C2. Then put the packaged vacuum bag into the cold pressing equipment, start the equipment for vacuum cold pressing. Under the vacuum environment, the composite material will be tightly combined with the XPS extruded board under the pressure of the cold pressing equipment.

[0130] C3 finally takes out the formed board and places it in a suitable environment for curing. After curing, the preparation of the composite XPS extruded board is completed.

[0131] Embodiment six:

[0132] In the fifth embodiment, the following steps are added:

[0133] In step B5, the time for ultrasonic stirring of the mixture and the D80 epoxy resin is 20 to 30 minutes.

[0134] The preparation method thereof comprises the following steps:

[0135] A. Preparation of XPS extruded board:

[0136] A1. Material preparation: polystyrene resin, anti-aging agent and carbon dioxide foaming agent;

[0137] A1. First, pour polystyrene resin, anti-aging agent and carbon dioxide foaming agent into a mixing tank according to a certain proportion, and mix the polystyrene resin, anti-aging agent and carbon dioxide foaming agent evenly through the mixing tank; A2. After mixing, send the mixed raw materials into an extruder for melting, and the molten raw materials will be injected into the extruder, and the raw materials will be extruded into the required shape and thickness through the extruder;

[0138] A3. Finally, the extruded sheet is cooled and shaped by a cooling device to obtain an XPS extruded sheet;

[0139] B. Preparation of glass fiber reinforced D80 epoxy resin composite material:

[0140] B1. Material preparation: porous glass beads, glass fiber cloth, D80 epoxy resin, alumina powder, dispersant, UV inhibitor and adhesive;

[0141] B2, firstly, the porous glass microbeads are cleaned with deionized water, and then ultrasonically cleaned in a methanol solution, and then ultrasonically cleaned again with deionized water, and then placed in a drying oven to dry after cleaning;

[0142] B3, pouring the dried porous glass microspheres and alumina powder into an ultrasonic stirrer and mixing them in a certain proportion, so that the alumina powder is evenly distributed on the surface of the porous glass microspheres;

[0143] B4, then add the dispersant, anti-ultraviolet agent and adhesive into the ultrasonic stirrer in sequence, and continue stirring to make the dispersant, anti-ultraviolet agent and adhesive evenly distributed in the mixture;

[0144] B5. Then pour the stirred mixture and D80 epoxy resin into an ultrasonic stirrer and mix them in a certain proportion so that the mixture is evenly distributed in the epoxy resin;

[0145] B6. Then melt the mixed epoxy resin, pour it into the mold after melting, and add glass fiber cloth;

[0146] B7, finally preparing it by vacuum cold pressing and cold pressing, so as to obtain a glass fiber reinforced D80 epoxy resin composite material;

[0147] C. Compounding the composite material with XPS extruded board:

[0148] C1. First, the cooled and formed XPS extruded board is cut into the required size and shape, and then a layer of composite material is laid on the surface of the XPS extruded board. The XPS extruded board with the composite material is placed in a vacuum bag and the vacuum bag is sealed;

[0149] C2. Then put the packaged vacuum bag into the cold pressing equipment, start the equipment for vacuum cold pressing. Under the vacuum environment, the composite material will be tightly combined with the XPS extruded board under the pressure of the cold pressing equipment.

[0150] C3 finally takes out the formed board and places it in a suitable environment for curing. After curing, the preparation of the composite XPS extruded board is completed.

[0151] Embodiment seven:

[0152] In the sixth embodiment, the following steps are added:

[0153] When the mixed epoxy resin is melted in step B6, the melting temperature is 150 degrees Celsius to 170 degrees Celsius.

[0154] The preparation method thereof comprises the following steps:

[0155] A. Preparation of XPS extruded board:

[0156] A1. Material preparation: polystyrene resin, anti-aging agent and carbon dioxide foaming agent;

[0157] A1. First, pour polystyrene resin, anti-aging agent and carbon dioxide foaming agent into a mixing tank according to a certain proportion, and mix the polystyrene resin, anti-aging agent and carbon dioxide foaming agent evenly through the mixing tank; A2. After mixing, send the mixed raw materials into an extruder for melting, and the molten raw materials will be injected into the extruder, and the raw materials will be extruded into the required shape and thickness through the extruder;

[0158] A3. Finally, the extruded sheet is cooled and shaped by a cooling device to obtain an XPS extruded sheet;

[0159] B. Preparation of glass fiber reinforced D80 epoxy resin composite material:

[0160] B1. Material preparation: porous glass beads, glass fiber cloth, D80 epoxy resin, alumina powder, dispersant, UV inhibitor and adhesive;

[0161] B2, firstly, the porous glass microbeads are cleaned with deionized water, and then ultrasonically cleaned in a methanol solution, and then ultrasonically cleaned again with deionized water, and then placed in a drying oven to dry after cleaning;

[0162] B3, pouring the dried porous glass microspheres and alumina powder into an ultrasonic stirrer and mixing them in a certain proportion, so that the alumina powder is evenly distributed on the surface of the porous glass microspheres;

[0163] B4, then add the dispersant, anti-ultraviolet agent and adhesive into the ultrasonic stirrer in sequence, and continue stirring to make the dispersant, anti-ultraviolet agent and adhesive evenly distributed in the mixture;

[0164] B5. Then pour the stirred mixture and D80 epoxy resin into an ultrasonic stirrer and mix them in a certain proportion so that the mixture is evenly distributed in the epoxy resin;

[0165] B6. Then melt the mixed epoxy resin, pour it into the mold after melting, and add glass fiber cloth;

[0166] B7, finally preparing it by vacuum cold pressing and cold pressing, so as to obtain a glass fiber reinforced D80 epoxy resin composite material;

[0167] C. Compounding the composite material with XPS extruded board:

[0168] C1. First, the cooled and formed XPS extruded board is cut into the required size and shape, and then a layer of composite material is laid on the surface of the XPS extruded board. The XPS extruded board with the composite material is placed in a vacuum bag and the vacuum bag is sealed;

[0169] C2. Then put the packaged vacuum bag into the cold pressing equipment, start the equipment for vacuum cold pressing. Under the vacuum environment, the composite material will be tightly combined with the XPS extruded board under the pressure of the cold pressing equipment.

[0170] C3 finally takes out the formed board and places it in a suitable environment for curing. After curing, the preparation of the composite XPS extruded board is completed.

[0171] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0172] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A composite XPS extruded board, characterized in that: The preparation raw materials include XPS extruded board and glass fiber reinforced D80 epoxy resin composite material. The glass fiber reinforced D80 epoxy resin composite material is arranged on the surface of the XPS extruded board, and the glass fiber reinforced D80 epoxy resin composite material is used to enhance the heat resistance, pressure resistance and UV resistance of the XPS extruded board.

2. The method for preparing a composite XPS extruded board according to claim 1, characterized in that: The preparation method thereof comprises the following steps: A. Preparation of XPS extruded board: A1. Material preparation: polystyrene resin, anti-aging agent and carbon dioxide foaming agent; A1. First, pour polystyrene resin, anti-aging agent and carbon dioxide foaming agent into a mixing tank according to a certain proportion, and mix the polystyrene resin, anti-aging agent and carbon dioxide foaming agent evenly through the mixing tank; A2. After mixing, send the mixed raw materials into an extruder for melting, and the molten raw materials will be injected into the extruder, and the raw materials will be extruded into the required shape and thickness through the extruder; A3. Finally, the extruded sheet is cooled and shaped by a cooling device to obtain an XPS extruded sheet; B. Preparation of glass fiber reinforced D80 epoxy resin composite material: B1. Material preparation: porous glass beads, glass fiber cloth, D80 epoxy resin, alumina powder, dispersant, UV inhibitor and adhesive; B2, firstly, the porous glass microbeads are cleaned with deionized water, and then ultrasonically cleaned in a methanol solution, and then ultrasonically cleaned again with deionized water, and then placed in a drying oven to dry after cleaning; B3, pouring the dried porous glass microspheres and alumina powder into an ultrasonic stirrer and mixing them in a certain proportion, so that the alumina powder is evenly distributed on the surface of the porous glass microspheres; B4, then add the dispersant, anti-ultraviolet agent and adhesive into the ultrasonic stirrer in sequence, and continue stirring to make the dispersant, anti-ultraviolet agent and adhesive evenly distributed in the mixture; B5. Then pour the stirred mixture and D80 epoxy resin into an ultrasonic stirrer and mix them in a certain proportion so that the mixture is evenly distributed in the epoxy resin; B6. Then melt the mixed epoxy resin, pour it into the mold after melting, and add glass fiber cloth; B7, finally preparing it by vacuum cold pressing and cold pressing, so as to obtain a glass fiber reinforced D80 epoxy resin composite material; C. Compounding the composite material with XPS extruded board: C1. First, the cooled and formed XPS extruded board is cut into the required size and shape, and then a layer of composite material is laid on the surface of the XPS extruded board. The XPS extruded board with the composite material is placed in a vacuum bag and the vacuum bag is sealed; C2. Then put the packaged vacuum bag into the cold pressing equipment, start the equipment for vacuum cold pressing. Under the vacuum environment, the composite material will be tightly combined with the XPS extruded board under the pressure of the cold pressing equipment. C3 finally takes out the formed board and places it in a suitable environment for curing. After curing, the preparation of the composite XPS extruded board is completed.

3. The method for preparing a composite XPS extruded board according to claim 2, characterized in that: In step B2, the time for ultrasonic cleaning of the porous glass microbeads using methanol solution and deionized water is ten to fifteen minutes.

4. The method for preparing a composite XPS extruded board according to claim 2, characterized in that: In the step B2, the porous glass microbeads are placed in a drying oven after cleaning and dried at a temperature of 60 to 70 degrees Celsius.

5. The method for preparing a composite XPS extruded board according to claim 2, characterized in that: In step B3, the time for ultrasonically stirring the porous glass microbeads and the alumina powder is 30 minutes to 45 minutes.

6. The method for preparing a composite XPS extruded board according to claim 2, characterized in that: In the step B4, the dispersant, the anti-ultraviolet agent and the adhesive are sequentially added into the ultrasonic agitator and stirred for ten to fifteen minutes.

7. The method for preparing a composite XPS extruded board according to claim 2, characterized in that: The time for ultrasonically stirring the mixture and the D80 epoxy resin in step B5 is 20 to 30 minutes.

8. The method for preparing a composite XPS extruded board according to claim 2, characterized in that: When the mixed epoxy resin is melted in step B6, the melting temperature is 150 degrees Celsius to 170 degrees Celsius.