CN112477320B - High-temperature-resistant composite board - Google Patents
High-temperature-resistant composite board Download PDFInfo
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
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- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
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- B32B2307/00—Properties of the layers or laminate
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- B32B2307/306—Resistant to heat
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- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/552—Fatigue strength
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- C08L2201/02—Flame or fire retardant/resistant
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- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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Abstract
A high-temperature resistant composite board comprises a fire-resistant layer, a reinforcing layer and a metal board layer; the thickness of the metal plate layer is 0.3-0.5 mm; the refractory layer comprises: 100 parts of silicon rubber, 5-10 parts of methyl silicone oil, 5-15 parts of silicon carbide, 10-25 parts of aluminum oxide, 65-85 parts of silicon micropowder and 5-15 parts of phenyltributylketoxime silane, wherein 1-3 parts of a tin catalyst reinforcing layer is prepared by soaking high-temperature-resistant fiber mesh cloth in a high-temperature-resistant adhesive, and the thickness of the reinforcing layer is 1-2 mm. The high-temperature resistant adhesive has excellent high-temperature resistance, a hard ceramic body can be formed by the fire-resistant layer at the temperature of 400-500 ℃, the high-temperature resistant adhesive of the reinforcing layer can be hardened and transformed at the temperature of 800-900 ℃, and the high-temperature resistance is obviously improved to 1100-1200 ℃, so that the fire resistance is improved.
Description
Technical Field
The invention relates to a high-temperature-resistant composite board.
Background
In the joints, openings or holes of electric cabinets, cable ducts, cable wells and buildings, wires, cables and various communication cables are often numerous and complicated. In case of fire, the fire rapidly spreads through the places, and the toxic gas is rapidly diffused. In particular, in the petrochemical industry, the hydrocarbon substances in the petrochemical industry are heated more quickly during combustion, and the deflagration phenomenon is easy to generate. Under the condition, the places are effectively blocked by the fireproof plates, so that the fire can be effectively controlled within a certain range, the loss is reduced, and valuable time is saved for fire extinguishment.
The existing fireproof plate mainly used uses rock wool as a base material, the highest bearing temperature of the fireproof plate is 700-800 ℃, and the strength of the plate is lower. When encountering impact generated by high temperature and deflagration, the fireproof plate can not meet the requirement of fireproof plugging.
Disclosure of Invention
Aiming at the problems, the invention provides a high-temperature-resistant composite board.
The specific technical scheme is as follows:
a high-temperature resistant composite board is characterized by comprising at least one layer of flame retardant coating, reinforcing layers arranged on two sides of the flame retardant coating and a metal board layer arranged on the outer side of each reinforcing layer; the number of the metal plate layers is at least two.
Further, the metal plate layer is one of a stainless steel plate and a galvanized steel plate, and the thickness of the metal plate layer is 0.3-0.5 mm.
Further, the flame retardant coating is made of an organic silicon material and comprises the following components in parts by mass:
100 parts of silicon rubber, 5-10 parts of methyl silicone oil, 5-15 parts of silicon carbide, 10-25 parts of aluminum oxide, 65-85 parts of silicon micropowder, 5-15 parts of phenyltributyl ketoxime silane and 1-3 parts of tin catalyst.
Further, the tin catalyst is one or more of dibutyltin dilaurate, dibutyltin diacetate and dibutyltin dioctoate.
Further, the thickness of the fire-resistant layer is 6-8 mm.
Furthermore, the reinforcing layer is made by soaking high-temperature resistant fiber mesh cloth in a high-temperature resistant adhesive, and the thickness of the reinforcing layer is 1-2 mm.
Furthermore, the high-temperature resistant adhesive of the reinforcing layer comprises the following components in parts by mass: 100 parts of silica sol, 2-5 parts of cellulose and 85-115 parts of aluminum oxide;
furthermore, the high-temperature resistant fiber mesh cloth of the reinforcing layer is calcium silicate fiber mesh cloth or aluminum silicate fiber mesh cloth.
The high-temperature-resistant composite board is characterized by comprising the following preparation methods:
(1) Preparing a reinforcing layer; stirring silica sol, cellulose and aluminum oxide, and uniformly stirring to obtain a high-temperature-resistant adhesive; soaking the high-temperature resistant fiber mesh cloth in a high-temperature resistant adhesive, naturally airing, and soaking for multiple times until the thickness is 1-2 mm to obtain a reinforcing layer;
(2) Preparing a refractory layer; putting 107 silicon rubber, methyl silicone oil, silicon carbide, aluminum oxide and silicon micropowder into a high-temperature kneading machine for vacuum kneading for 30-50 min, adding phenyltributylketoxime silane for vacuum kneading for 15-20 min, finally adding a tin catalyst for vacuum kneading for 10-15 min, and discharging to obtain a flame retardant coating;
(3) After the preparation of the fire-resistant layer is finished, the fire-resistant layer is rapidly placed into a hydraulic press forming grinding tool with the metal plate layer and the reinforcing layer laid, after the fire-resistant layer is evenly paved, the hydraulic press is started for press forming, then the metal plate layer and the reinforcing layer are laid, and the high-temperature resistant composite board is obtained after the hydraulic press is started for press forming.
Compared with the prior art, the invention has the beneficial effects that:
the invention aims to overcome the defects of the traditional fireproof plugging plate and develops a high-temperature resistant composite plate, which takes an inorganic/organic composite fireproof layer and a metal plate as a base material. The composite board has the characteristics of fire impact resistance, high temperature resistance, long-acting effect, environmental protection and the like.
1. The high temperature resistance is excellent, the fire-resistant layer can form a hard ceramic body at 400-500 ℃, the high temperature resistant adhesive of the reinforcing layer can be hardened and transformed at 800-900 ℃, and the high temperature resistance is obviously improved to 1100-1200 ℃, so that the fire resistance is improved.
2. The plate has stable structure and can resist deflagration shock waves.
3. The cable and the pipeline are easy to pass through for the second time during installation, the operation is convenient, and the operation process is simplified;
4. no toxic gas is generated during combustion, the environment is protected, no pollution is caused, and the electric insulation, the oxidation resistance and the aging resistance are good;
drawings
FIG. 1 is a schematic cross-sectional view of the present invention.
Description of the reference numerals
A metal plate layer 1; a reinforcing layer 2; a refractory layer 4.
Detailed Description
In order to make the technical solution of the present invention clearer and more clear, the present invention is further described below, and any solution obtained by substituting technical features of the technical solution of the present invention with equivalents and performing conventional reasoning falls within the scope of the present invention.
The silicon rubber adopted by the embodiment of the invention is 107 silicon rubber, and the silica sol has the solubility of 40-45 wt%.
The cellulose used in the embodiments of the present invention is HHBR 250 hydroxyethyl cellulose.
Example 1
The preparation method of the high-temperature-resistant composite board comprises the following steps:
(1) Preparing a reinforcing layer: stirring 100 parts of silica sol with the solubility of 45wt%, 3 parts of cellulose and 95 parts of aluminum oxide, and uniformly stirring to obtain a high-temperature-resistant adhesive; soaking the calcium silicate fiber mesh cloth in a high-temperature-resistant adhesive, naturally drying, and soaking for multiple times until the thickness is 1mm to obtain a reinforcing layer;
(2) Selecting a metal plate layer, and selecting a stainless steel plate with the thickness of 0.3mm as the metal plate layer;
(3) Preparing a refractory layer; 100 parts of silicon rubber, 5 parts of methyl silicone oil, 10 parts of silicon carbide, 20 parts of aluminum oxide and 65 parts of silicon micropowder are put into a high-temperature kneader for vacuum kneading for 45min, 8 parts of phenyltributylketoxime silane is added, vacuum kneading is carried out for 18min, finally 2 parts of dibutyltin dilaurate is added, and discharging is carried out after vacuum kneading is carried out for 15 min; obtaining a refractory layer with the thickness of 6mm;
(4) After the preparation of the fire-resistant layer is finished, the fire-resistant layer is rapidly placed into a hydraulic press forming grinding tool with the metal plate layer and the reinforcing layer laid, after the fire-resistant layer is evenly paved, the hydraulic press is started for press forming, then the metal plate layer and the reinforcing layer are laid, and the high-temperature resistant composite board is obtained after the hydraulic press is started for press forming.
Example 2
The preparation method of the high-temperature-resistant composite board comprises the following steps:
(1) Preparing a reinforcing layer: stirring 100 parts of silica sol with the solubility of 40wt%, 3 parts of cellulose and 85 parts of aluminum oxide, and uniformly stirring to obtain a high-temperature-resistant adhesive; soaking the aluminum silicate fiber mesh cloth in a high-temperature-resistant adhesive, naturally airing, and soaking for multiple times until the thickness is 2mm to obtain a reinforcing layer;
(2) Selecting a metal plate layer, and selecting a stainless steel plate with the thickness of 0.5mm as the metal plate layer;
(3) Preparing a refractory layer; 100 parts of silicon rubber, 10 parts of methyl silicone oil, 15 parts of silicon carbide, 10 parts of aluminum oxide and 70 parts of silicon micropowder are put into a high-temperature kneading machine for vacuum kneading for 30min, 5 parts of phenyltributyl ketoxime silane is added, vacuum kneading is carried out for 20min, finally 1 part of dibutyltin diacetate is added, and discharging is carried out after vacuum kneading is carried out for 12 min; obtaining a fire-resistant layer with the thickness of 8mm;
(4) After the preparation of the fire-resistant layer is finished, the fire-resistant layer is rapidly placed into a hydraulic press forming grinding tool with the metal plate layer and the reinforcing layer laid thereon, after the fire-resistant layer is uniformly paved, the hydraulic press is started for press forming, then the metal plate layer and the reinforcing layer are laid, and the high-temperature resistant composite board is obtained after the hydraulic press is started for press forming.
Example 3
The preparation method of the high-temperature-resistant composite board comprises the following steps:
(1) Preparing a reinforcing layer: stirring 100 parts of silica sol with the solubility of 43wt%, 5 parts of cellulose and 115 parts of aluminum oxide, and uniformly stirring to obtain a high-temperature-resistant adhesive; soaking the aluminum silicate fiber mesh cloth in a high-temperature-resistant adhesive, naturally airing, and soaking for multiple times until the thickness is 1.5mm to obtain a reinforcing layer;
(2) Selecting a metal plate layer, and selecting a galvanized steel plate with the thickness of 0.4mm as the metal plate layer;
(3) Preparing a refractory layer; 100 parts of silicon rubber, 7 parts of methyl silicone oil, 5 parts of silicon carbide, 25 parts of aluminum oxide and 85 parts of silicon micropowder are put into a high-temperature kneading machine for vacuum kneading for 50min, 15 parts of phenyltributyl ketoxime silane is added, vacuum kneading is carried out for 15min, finally 3 parts of dibutyltin dioctoate is added, and discharging is carried out after vacuum kneading is carried out for 10 min; obtaining a fire-resistant layer with the thickness of 7mm;
(4) After the preparation of the fire-resistant layer is finished, the fire-resistant layer is rapidly placed into a hydraulic press forming grinding tool with the metal plate layer and the reinforcing layer laid thereon, after the fire-resistant layer is uniformly paved, the hydraulic press is started for press forming, then the metal plate layer and the reinforcing layer are laid, and the high-temperature resistant composite board is obtained after the hydraulic press is started for press forming.
Example 4
The preparation method of the high-temperature-resistant composite board comprises the following steps:
(1) Preparing a reinforcing layer: stirring 100 parts of silica sol with the solubility of 43wt%, 5 parts of cellulose and 115 parts of aluminum oxide, and uniformly stirring to obtain a high-temperature-resistant adhesive; soaking the aluminum silicate fiber mesh cloth in a high-temperature-resistant adhesive, naturally airing, and soaking for multiple times until the thickness is 2mm to obtain a reinforcing layer;
(2) Selecting a metal plate layer, and selecting a galvanized steel plate with the thickness of 0.5mm as the metal plate layer;
(3) Preparing a refractory layer; 100 parts of silicon rubber, 7 parts of methyl silicone oil, 5 parts of silicon carbide, 25 parts of aluminum oxide and 85 parts of silicon micropowder are placed into a high-temperature kneading machine for vacuum kneading for 50min, 15 parts of phenyltributylketoxime silane is added, vacuum kneading is carried out for 15min, finally, 1 part of dibutyltin dilaurate and 2 parts of dibutyltin diacetate are added, and discharging is carried out after vacuum kneading is carried out for 10 min; obtaining a fire-resistant layer with the thickness of 7mm;
(4) After the preparation of the fire-resistant layer is finished, the fire-resistant layer is rapidly placed into a hydraulic press forming grinding tool with the metal plate layer and the reinforcing layer laid, after the fire-resistant layer is evenly paved, the hydraulic press is started for press forming, then the metal plate layer and the reinforcing layer are laid, and the high-temperature resistant composite board is obtained after the hydraulic press is started for press forming.
Example 5
The preparation method of the high-temperature-resistant composite board comprises the following steps:
(1) Preparing a reinforcing layer: stirring 100 parts of silica sol with the solubility of 40wt%, 2 parts of cellulose and 100 parts of aluminum oxide, and uniformly stirring to obtain a high-temperature-resistant adhesive; soaking the calcium silicate fiber mesh cloth in a high-temperature-resistant adhesive, naturally drying, and soaking for multiple times until the thickness is 1.5mm to obtain a reinforcing layer;
(2) Selecting a metal plate layer, and selecting a galvanized steel plate with the thickness of 0.4mm as the metal plate layer;
(3) Preparing a refractory layer; 100 parts of silicon rubber, 5 parts of methyl silicone oil, 10 parts of silicon carbide, 15 parts of aluminum oxide and 76 parts of silicon micro powder are placed in a high-temperature kneading machine for vacuum kneading for 35min, 12 parts of phenyltributylketoxime silane is added, vacuum kneading is carried out for 13min, finally, 1 part of dibutyltin dioctoate and 1 part of dibutyltin diacetate are added, and discharging is carried out after vacuum kneading is carried out for 12 min; obtaining a fire-resistant layer with the thickness of 8mm;
(4) After the preparation of the fire-resistant layer is finished, the fire-resistant layer is rapidly placed into a hydraulic press forming grinding tool with the metal plate layer and the reinforcing layer laid thereon, after the fire-resistant layer is uniformly paved, the hydraulic press is started for press forming, then the metal plate layer and the reinforcing layer are laid, and the high-temperature resistant composite board is obtained after the hydraulic press is started for press forming.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (3)
1. The high-temperature-resistant composite board is characterized by comprising the following preparation methods:
(1) Preparing a reinforcing layer, wherein the reinforcing layer comprises the following components in parts by mass: stirring 100 parts of silica sol with the solubility of 45wt%, 3 parts of cellulose and 95 parts of aluminum oxide, and uniformly stirring to obtain a high-temperature-resistant adhesive; soaking the calcium silicate fiber mesh cloth in a high-temperature-resistant adhesive, naturally drying, and soaking for multiple times until the thickness is 1mm to obtain a reinforcing layer;
(2) Selecting a metal plate layer, and selecting a stainless steel plate with the thickness of 0.3mm as the metal plate layer;
(3) Preparing a refractory layer; according to the mass parts, 100 parts of silicone rubber, 5 parts of methyl silicone oil, 10 parts of silicon carbide, 20 parts of aluminum oxide and 65 parts of silicon micro powder are placed into a high-temperature kneading machine for vacuum kneading for 45min, 8 parts of phenyltributyl ketoxime silane is added, vacuum kneading is carried out for 18min, finally 2 parts of dibutyltin dilaurate is added, and discharging is carried out after vacuum kneading is carried out for 15 min; obtaining a refractory layer with the thickness of 6mm;
(4) After the preparation of the fire-resistant layer is finished, the fire-resistant layer is rapidly placed into a hydraulic press forming die with the metal plate layer and the reinforcing layer laid, after the fire-resistant layer is evenly paved, the hydraulic press is started for press forming, then the metal plate layer and the reinforcing layer are laid, and the high-temperature-resistant composite board is obtained after the hydraulic press is started for press forming.
2. The high-temperature-resistant composite board is characterized by comprising the following preparation methods:
(1) Preparing a reinforcing layer, wherein the reinforcing layer comprises the following components in parts by mass: stirring 100 parts of silica sol with the solubility of 40wt%, 3 parts of cellulose and 85 parts of aluminum oxide, and uniformly stirring to obtain a high-temperature-resistant adhesive; soaking the aluminum silicate fiber mesh cloth in a high-temperature-resistant adhesive, naturally airing, and soaking for multiple times until the thickness is 2mm to obtain a reinforcing layer;
(2) Selecting a metal plate layer, and selecting a stainless steel plate with the thickness of 0.5mm as the metal plate layer;
(3) Preparing a refractory layer; according to the mass parts, 100 parts of silicone rubber, 10 parts of methyl silicone oil, 15 parts of silicon carbide, 10 parts of aluminum oxide and 70 parts of silicon micropowder are placed into a high-temperature kneading machine for vacuum kneading for 30min, 5 parts of phenyltributyl ketoxime silane is added, vacuum kneading is carried out for 20min, finally 1 part of dibutyltin diacetate is added, and discharging is carried out after vacuum kneading is carried out for 12 min; obtaining a fire-resistant layer with the thickness of 8mm;
(4) After the preparation of the fire-resistant layer is finished, the fire-resistant layer is rapidly placed into a hydraulic press forming die with the metal plate layer and the reinforcing layer laid, after the fire-resistant layer is evenly paved, the hydraulic press is started for press forming, then the metal plate layer and the reinforcing layer are laid, and the high-temperature-resistant composite board is obtained after the hydraulic press is started for press forming.
3. The high-temperature-resistant composite board is characterized by comprising the following preparation methods:
(1) Preparing a reinforcing layer, wherein the reinforcing layer comprises the following components in parts by mass: stirring 100 parts of silica sol with the solubility of 43wt%, 5 parts of cellulose and 115 parts of aluminum oxide, and uniformly stirring to obtain a high-temperature-resistant adhesive; soaking the aluminum silicate fiber mesh cloth in a high-temperature-resistant adhesive, naturally airing, and soaking for multiple times until the thickness is 1.5mm to obtain a reinforcing layer;
(2) Selecting a metal plate layer, and selecting a galvanized steel plate with the thickness of 0.4mm as the metal plate layer;
(3) Preparing a refractory layer; according to the mass parts, 100 parts of silicone rubber, 7 parts of methyl silicone oil, 5 parts of silicon carbide, 25 parts of aluminum oxide and 85 parts of silicon micropowder are placed into a high-temperature kneading machine for vacuum kneading for 50min, 15 parts of phenyltributyl ketoxime silane is added, vacuum kneading is carried out for 15min, finally 3 parts of dibutyltin dioctoate is added, and discharging is carried out after vacuum kneading is carried out for 10 min; obtaining a refractory layer with the thickness of 7mm;
(4) After the preparation of the fire-resistant layer is finished, the fire-resistant layer is rapidly placed into a hydraulic press forming die paved with the metal plate layer and the reinforcing layer, after the fire-resistant layer is evenly paved, the metal plate layer and the reinforcing layer are paved after the hydraulic press is started for press forming, and the high-temperature-resistant composite board is obtained after the hydraulic press is started for press forming.
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| CN109609067A (en) * | 2018-12-13 | 2019-04-12 | 河北军辉安防科技股份有限公司 | A kind of high-performance fire-resistant composite board and preparation method thereof |
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| CN108911576A (en) * | 2018-06-22 | 2018-11-30 | 浙江阿路佑邦新材料科技有限公司 | A2 grades of fireproof metal composite plates and its production method |
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