Ceramic silica gel foam

Abstract

The utility model belongs to the technical field of silica gel foam, and particularly relates to ceramic silica gel foam which comprises a graphite layer, a polyester film layer, composite ceramic foam and a self-adhesive tape layer which are sequentially arranged from top to bottom. Every two of the graphite layer, the polyester film layer, the composite ceramic foam and the self-adhesive tape layer are attached to each other in sequence, and the fireproof and heat-insulation insulating performance of the silica gel foam is improved to a great extent through the structural arrangement.

Description

Technical Field

[0001] The utility model belongs to the technical field of silicone foam, and particularly relates to ceramic silicone foam. Background Art

[0002] Ordinary silicone foam has the characteristics of light specific gravity, good elasticity, small permanent deformation at high temperature, heat resistance, cold resistance, dielectric resistance, ozone resistance and atmospheric aging resistance, wide operating temperature and other properties. It is suitable for internal shock absorption, buffering, sealing and other internal parts of equipment such as automobiles, new energy batteries, aerospace, high-speed rail and rail transit. However, ordinary silicone foam will be carbonized after high-temperature intensive burning and will no longer play a protective role. For the fields of aerospace, rail transit, and new energy vehicles, there are requirements for fire prevention and heat insulation after high temperature, and at the same time meet various performance requirements. Ordinary silicone foam cannot meet these requirements and has many limitations in practical applications. There is a technical problem that the insulation performance of fire prevention and heat insulation after high-temperature intensive burning is low. Utility Model Content

[0003] The utility model aims to provide a ceramicized silicone foam, aiming to solve the technical problem of low insulation performance of the silicone foam in the prior art in terms of fireproofing and heat insulation.

[0004] To achieve the above-mentioned purpose, an embodiment of the utility model provides a ceramic silicone foam, comprising a graphite layer, a polyester film layer, a composite ceramic foam and a self-adhesive tape layer, wherein the graphite layer, the polyester film layer, the composite ceramic foam and the self-adhesive tape layer are arranged in order from top to bottom, and the graphite layer, the polyester film layer, the composite ceramic foam and the self-adhesive tape layer are adhered to each other in sequence.

[0005] Preferably, the front side of the graphite layer is coated with a surface coating.

[0006] Preferably, the front side of the graphite layer is arranged to be smooth.

[0007] Preferably, the thickness of the graphite layer is in the range of 2 to 5 mm.

[0008] Preferably, the thickness of the polyester film layer is in the range of 9 to 36 μm.

[0009] Preferably, the thickness of the composite ceramic foam is in the range of 1 to 1.5 mm.

[0010] Preferably, one side plane of the self-adhesive tape layer is adhered to the back surface of the composite ceramic foam, and the other side surface of the self-adhesive tape layer is adhered with release paper.

[0011] Preferably, the thickness of the self-adhesive tape layer is in the range of 0.16 to 1 mm.

[0012] The above one or more technical solutions in the ceramic silicone foam provided by the embodiment of the utility model have at least one of the following technical effects:

[0013] The ceramicized silicone foam in the utility model is composed of a graphite layer, a polyester film layer, a composite ceramic foam and a self-adhesive tape layer, wherein the graphite layer, the polyester film layer, the composite ceramic foam and the self-adhesive tape layer are arranged in order from top to bottom, and the graphite layer, the polyester film layer, the composite ceramic foam and the self-adhesive tape layer are arranged in sequence in pairs, and a composite ceramic powder is added to the composite ceramic foam, and the composite ceramic powder contains ultrafine calcium silicate, calcium silicate whisker, low melting point glass powder, basalt fiber, basalt flake, magnesium silicate and aluminum nanofiber. The fiber structure of the present invention is characterized by the advantages of high thermal conductivity, high strength, low heat resistance and good thermal stability. The fiber structure of the present invention is characterized by high heat resistance, high thermal conductivity, and low heat resistance ... BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 A cross-sectional structural diagram of the ceramic silicone foam provided in an embodiment of the utility model.

[0016] Among them, the reference numerals in the figure are:

[0017] 10—graphite layer 20—polyester film layer 30—composite ceramic foam

[0018] 40—self-adhesive tape layer 50—surface coating 60—release paper. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in Figure 1, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0020] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0022] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0023] In one embodiment of the present invention, Figure 1 As shown, a ceramic silicone foam is provided, including a graphite layer 10, a polyester film layer 20, a composite ceramic foam 30 and a self-adhesive tape layer 40, wherein the graphite layer 10, the polyester film layer 20, the composite ceramic foam 30 and the self-adhesive tape layer 40 are arranged in order from top to bottom, and the graphite layer 10, the polyester film layer 20, the composite ceramic foam 30 and the self-adhesive tape layer 40 are adhered to each other in sequence.

[0024] The ceramic silicone foam in the utility model is composed of a graphite layer 10, a polyester film layer 20, a composite ceramic foam 30 and a self-adhesive tape layer 40, wherein the graphite layer 10, the polyester film layer 20, the composite ceramic foam 30 and the self-adhesive tape layer 40 are arranged in order from top to bottom, and the graphite layer 10, the polyester film layer 20, the composite ceramic foam 30 and the self-adhesive tape layer 40 are arranged in sequence in pairs, and a composite ceramic powder is added to the composite ceramic foam 30, and the composite ceramic powder contains ultrafine calcium silicate, calcium silicate whisker, low melting point glass powder, basalt fiber, basalt Rock scales, magnesium silicate and aluminum nanofibers, thereby improving the flame retardancy and thermal stability of the composite ceramic foam 30, increasing the decomposition temperature and the mass fraction of the residue, the bending strength of the sintered body and the fluxing effect, and thus improving the density of the hard shell. Through the setting of the above-mentioned structure, the ceramicized silicone foam in the present application can form a continuous and dense ceramic-like hard shell at extremely high temperatures. The special fiber structure and the stable calcium silicate component improve the strength and heat resistance of the foamed silicone after ceramicization. When the product encounters high-temperature sintering, it can still form a ceramic-like hard shell, and obtain the characteristics of secondary antibody insulation.

[0025] In another embodiment of the present invention, Figure 1 As shown, the front side of the graphite layer 10 is coated with a surface coating 50 , and the surface coating 50 may be a coupling agent, and the strength of the surface of the graphite layer 10 is enhanced by the coupling agent.

[0026] In another embodiment of the present invention, Figure 1 As shown, the front side of the graphite layer 10 is arranged to be smooth, and the smooth surface is more convenient for applying the surface coating 50 .

[0027] In another embodiment of the present invention, Figure 1 As shown, the thickness of the graphite layer 10 ranges from 2 to 5 mm, wherein the thickness of the graphite layer 10 can be 2 mm, 3 mm, 4 mm and 5 mm.

[0028] In another embodiment of the present invention, Figure 1 As shown, the thickness of the polyester film layer 20 ranges from 9 to 36 μm, wherein the thickness of the polyester film layer 20 can be 9 μm, 12 μm, 15 μm, 19 μm, 25 μm, or 36 μm.

[0029] In another embodiment of the present invention, Figure 1 As shown, the thickness of the composite ceramic foam 30 ranges from 1 to 1.5 mm, wherein the thickness of the composite ceramic foam 30 can be 1 mm, 1.1 mm, 1.2 mm, 1.3 mm, 1.4 mm and 1.5 mm.

[0030] In another embodiment of the present invention, Figure 1As shown, one side plane of the self-adhesive tape layer 40 is adhered to the back side of the composite ceramic foam 30, and the other side of the self-adhesive tape layer 40 is adhered with a release paper 60. The release paper 60 is torn off and the ceramic silicone foam is assembled on the installation plane through the self-adhesive tape layer 40.

[0031] In another embodiment of the present invention, Figure 1 As shown, the thickness of the self-adhesive tape layer 40 ranges from 0.16 to 1 mm, wherein the thickness of the self-adhesive tape layer 40 can be 0.16 mm, 0.46 mm, 0.76 mm and 1 mm.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ceramic silicone foam, characterized in that: It comprises a graphite layer, a polyester film layer, a composite ceramic foam and a self-adhesive tape layer, wherein the graphite layer, the polyester film layer, the composite ceramic foam and the self-adhesive tape layer are arranged in order from top to bottom, and the graphite layer, the polyester film layer, the composite ceramic foam and the self-adhesive tape layer are adhered to each other in sequence.

2. The ceramic silicone foam according to claim 1, characterized in that: The front side of the graphite layer is coated with a surface coating.

3. The ceramic silicone foam according to claim 1, characterized in that: The front side of the graphite layer is arranged to be smooth.

4. The ceramic silicone foam according to claim 1, characterized in that: The thickness of the graphite layer ranges from 2 to 5 mm.

5. The ceramic silicone foam according to claim 1, characterized in that: The thickness of the polyester film layer ranges from 9 to 36 μm.

6. The ceramic silicone foam according to claim 1, characterized in that: The thickness of the composite ceramic foam is in the range of 1 to 1.5 mm.

7. The ceramic silicone foam according to claim 1, characterized in that: One side plane of the self-adhesive tape layer is adhered to the back surface of the composite ceramic foam, and the other side surface of the self-adhesive tape layer is adhered with release paper.

8. The ceramic silicone foam according to claim 1, characterized in that: The thickness of the self-adhesive tape layer is in the range of 0.16 to 1 mm.

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