CN211808221U - Flame-retardant heat-insulation acrylic plate - Google Patents

Abstract

The utility model discloses a fire-retardant thermal-insulated inferior gram force panel, which comprises a substrate, the equal pressfitting in upper and lower both ends of base plate has the insulating layer, the insulating layer includes aerogel layer, glass fiber layer and rock wool layer, aerogel layer's inboard and base plate pressfitting are in the same place, aerogel layer's outside pressfitting has the glass fiber layer, glass fiber layer's outside pressfitting has the rock wool layer, the outside pressfitting on rock wool layer has fire-retardant layer, fire-retardant layer includes phenolic resin layer, fire-retardant gluing agent and ceramic silica gel layer, phenolic resin layer's inboard is in the same place with the rock wool layer, fire-retardant gluing agent has been smeared in the outside on phenolic resin layer, fire-retardant gluing agent's outside pressfitting has ceramic silica gel layer. This fire-retardant thermal-insulated inferior gram force panel can make inferior gram force panel have fire resistance and heat-proof quality simultaneously to fire-retardant thermal-insulated effectual ensures the abundant utilization of inferior gram force panel, satisfies personnel's user demand, is favorable to extensively promoting.

Description

A flame retardant and heat insulating acrylic sheet

technical field

The utility model relates to the technical field of acrylic sheets, in particular to a flame-retardant and heat-insulating acrylic sheet.

Background technique

Acrylic sheet has strong corrosion resistance and light transmittance, so the application of acrylic sheet is becoming more and more extensive, especially in construction, advertising and other fields. When using acrylic sheet, in addition to strength, some special The most common functions are flame retardancy and heat insulation, which can improve the safety or energy saving of buildings, but the existing acrylic sheets cannot meet the flame retardancy and heat insulation at the same time, and the flame retardant heat insulation The effect is not good, so that the acrylic sheet cannot be fully utilized and cannot meet the needs of people. Therefore, it is necessary to design a flame-retardant and heat-insulating acrylic sheet.

Utility model content

The purpose of the present invention is to provide a flame-retardant and heat-insulating acrylic sheet to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a flame-retardant and heat-insulating acrylic sheet, comprising a base plate, and the upper and lower ends of the base plate are laminated with heat-insulating layers;

The thermal insulation layer includes an aerogel layer, a glass fiber layer and a rock wool layer;

The inner side of the aerogel layer is pressed together with the substrate, the outer side of the aerogel layer is pressed with a glass fiber layer, the outer side of the glass fiber layer is pressed with a rock wool layer, and the rock wool layer is pressed together on the outside. The outer side is laminated with a flame retardant layer;

The flame-retardant layer includes a phenolic resin layer, a flame-retardant adhesive and a ceramicized silicone rubber layer;

The inner side of the phenolic resin layer is laminated with the rock wool layer, the outer side of the phenolic resin layer is coated with a flame-retardant adhesive, and the outer side of the flame-retardant adhesive is laminated with a ceramicized silicone rubber layer.

Preferably, the material of the rock wool layer is an inorganic material.

Preferably, the material of the phenolic resin layer is a polymer organic material.

Preferably, the material of the flame retardant adhesive is an inorganic material.

Compared with the prior art, the beneficial effect of the utility model is: the flame-retardant and heat-insulating acrylic sheet can make the base plate have good heat-insulation and heat-insulation through the cooperation between the aerogel layer, the glass fiber layer and the rock wool layer. Through the cooperation between the phenolic resin layer, the flame retardant adhesive and the ceramicized silicone rubber layer, the substrate can have a good flame retardant and fireproof effect, so that the acrylic sheet can have both flame retardancy and heat insulation, and The flame retardant and heat insulation effect is good, which ensures that the acrylic sheet is fully utilized, meets the needs of personnel, and is conducive to widespread promotion.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the front partial cross-sectional structural schematic diagram of the thermal insulation layer of the utility model;

FIG. 3 is a schematic partial cross-sectional view of the flame retardant layer of the present invention.

In the picture: 1. Substrate, 2. Insulation layer, 201, Aerogel layer, 202, Glass fiber layer, 203, Rock wool layer, 3. Flame retardant layer, 301, Phenolic resin layer, 302, Flame retardant adhesive Agent, 303, ceramicized silicone rubber layer.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-3, the present utility model provides a technical solution: a flame-retardant and heat-insulating acrylic sheet, comprising a substrate 1, the substrate 1 is polymerized from methyl methacrylate monomer, the upper and lower sides of the substrate 1 are Both ends are press-fitted with an insulating layer 2;

The thermal insulation layer 2 includes an aerogel layer 201, a glass fiber layer 202 and a rock wool layer 203;

The inner side of the aerogel layer 201 is pressed together with the substrate 1. The aerogel layer 201 is the lightest solid in the world, with good thermal insulation effect and low thermal conductivity. The outer side of the aerogel layer 201 is pressed with glass fibers Layer 202, the glass fiber layer 202 has the characteristics of high temperature resistance, non-combustibility, corrosion resistance, heat insulation and sound insulation, and high tensile strength. The outer side of the glass fiber layer 202 is laminated with a rock wool layer 203, and the material of the rock wool layer 203 is inorganic The material is made of high-quality basalt, dolomite, etc. as the main raw materials. After being melted at a high temperature above 1450 °C, it is centrifuged at a high speed by an internationally advanced four-axis centrifuge to form fibers. Collected by the cotton collector, through the pendulum method process, plus three-dimensional method, the cotton is cured and cut to form rock wool products of different specifications and uses. The rock wool layer 203 has a good thermal insulation effect, and the rock wool layer 203 The outer side is laminated with a flame retardant layer 3;

The flame retardant layer 3 includes a phenolic resin layer 301, a flame retardant adhesive 302 and a ceramic silicon rubber layer 303;

The inner side of the phenolic resin layer 301 is pressed together with the rock wool layer 203. The material of the phenolic resin layer 301 is a polymer organic material which is a resin made by polycondensation of phenol and formaldehyde under catalyst conditions, neutralized and washed with water. The resin layer 301 has good high temperature resistance, and can also maintain its structural integrity and dimensional stability. The outer side of the phenolic resin layer 301 is coated with a flame retardant adhesive 302. The material of the flame retardant adhesive 302 is Inorganic material is an inorganic polymer adhesive formed by high temperature and high pressure polymerization of inorganic raw materials such as aluminum phosphate, magnesium silicate, sodium silicate, fire retardant, inorganic polymer polymerizer, etc. The flame retardant adhesive 302 has Good physical and mechanical properties, flame retardancy and self-extinguishing properties, the outer side of the flame retardant adhesive 302 is pressed with a ceramic silicon rubber layer 303, and the ceramic silicon rubber layer 303 has excellent fire resistance, flame retardant, low smoke and non-toxic properties.

In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inside", "front", "center", "both ends", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description , rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation; at the same time, unless otherwise expressly specified and limited, the terms "spraying", "painting", "pressing", Terms such as "composite" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly through an intermediate medium Connected, it can be the internal communication of two elements or the interaction relationship between the two elements, unless otherwise clearly defined, those of ordinary skill in the art can understand the specificity of the above terms in the present invention according to the specific situation. meaning.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (1)

1. The utility model provides a fire-retardant thermal-insulated inferior gram force board, includes base plate (1), its characterized in that: the upper end and the lower end of the substrate (1) are respectively pressed with a heat insulation layer (2);

the heat insulation layer (2) comprises an aerogel layer (201), a glass fiber layer (202) and a rock wool layer (203);

the inner side of the aerogel layer (201) is pressed together with the substrate (1), the outer side of the aerogel layer (201) is pressed with a glass fiber layer (202), the outer side of the glass fiber layer (202) is pressed with a rock wool layer (203), and the outer side of the rock wool layer (203) is pressed with a flame retardant layer (3);

the flame-retardant layer (3) comprises a phenolic resin layer (301), a flame-retardant adhesive (302) and a ceramic silicon rubber layer (303);

the inner side of the phenolic resin layer (301) is pressed together with the rock wool layer (203), the outer side of the phenolic resin layer (301) is coated with a flame-retardant adhesive (302), and the outer side of the flame-retardant adhesive (302) is pressed with a ceramic silicon rubber layer (303).

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