Long-service life vacuum heat insulation ceramic-like decorative plate

Abstract

The invention provides a long-service life vacuum heat insulation ceramic-like decorative plate, which relates to the field of energy conservation. According to the invention, a vacuum bag is a complete-barrier membrane composite chamber / bag, leakage rates of gas and water vapor are extremely low, and a vacuum degree can be maintained for a long time; a material like a ternary graft copolymer (ASA) composed of acrylonitrile (A), styrene (S) and acrylate (A) or a mixed material of the material and inorganic nonmetal is compounded with two surfaces of the chamber / bag via an injection mold by using injection molding technology, one of the two surfaces looks like a ceramic colored glaze and is coated by a maintenance layer, and the other surface is provided with an installation surface for sticking of a ventilation system; the edges of the decorative plate are provided with male and female structural joints and a matching anchoring assembly; a thin-wall inorganic coating material can be inlaid in the decorative plate through injection molding so as to protect a bare vacuum heat insulation plate; so the decorative plate has ASA ceramic-like decoration performance and air permeability needed by a building. Ultra-high weatherability of ASA and the surface maintenance layer enables the decorative plate to contact with the vacuum heat insulation in stages, so the decorative plate has same service life as a building; and the decorative plate is easy and convenient to install, transport and manage and has strong structural capacity and high security.

Description

technical field [0001] The invention relates to the fields of high heat barrier and energy saving in buildings, aviation, spacecraft, transportation equipment, manufacturing industry, household appliances and other industries. The specific description is high heat barrier with long-term vacuum, high combustion performance level, high decoration and high weather resistance. , High security thermal insulation decoration material. Background technique [0002] Energy-saving heat preservation, decoration, fire prevention, weather-resistant materials and published patent documents used in wall thermal barrier systems of existing buildings, aircraft, spacecraft, transportation equipment, field expeditions, home appliances and other manufacturing industries, There are several types of heat preservation, fire prevention, safety, weather resistance, and decoration products and methods indicated in literature, international relevant insulation board specifications, etc.: 1. Silica (si...

AI Technical Summary

Problems solved by technology

[0003] The existing inorganic powder or fiber vacuum insulation boards such as silicon dioxide (sio2) powder, silicon dioxide (sio2) aerogel, glass fiber cotton, etc. have a good high barrier heat insulation and energy saving effect, and the combustion performance level is good. , thin wall, light weight, in addition to high cost, there is also a major defect of missing the protective layer on the outer surface of the bare board. If the core material is not loosened, the strength of the mechanical structure is reduced, the vacuum cavity is loose, and the fatal flaw of the air-space layer is serious. If you are not careful, micropores will be generated, which will easily bury the hidden danger of "false vacuum" for the energy-saving thermal insulation system after construction. , in addition, the use of non-full barrier membrane cavity / bag, the situation of air permeability and water vapor permeability is unavoidable, the vacuum degree will slowly decrease over time, and the thermal barrier ability will gradually decrease, thus losing its effectiveness. On the contrary, it also hinders the wall of the energy-saving insulation system The ventilation volume of the body, the heat bridge problem is difficult to overcome, the comprehensive cost is high, the labor volume is large, the construction period is long, and the construction is very inconvenient. The product construction, storage, transportation, and on-site management have high requirements. Composite or coated with a decorative layer, however, the level of combustion performance is not high, the impact resistance is weak, the weather resistance is poor, the service life is difficult to exceed 30 years, the decorative layer and the insulation layer are easy to separate and affect its structural strength, and the process is also complicated. Meet the requirements of intelligent production, low manufacturing efficiency

[0004] Other non-vacuum thermoplastic modified material foamed insulation boards have high thermal conductivity and low oxygen index. Although some products have been improved through technology, they still have not made a major breakthrough in physical properties. For example: AEPS is such an example. The surface layer has a certain high Oxygen index permeation layer material, the physical properties of the internal material have not changed, the oxygen index is still very low, the heat distortion temperature is also low, and the impact strength is poor. The best way is to increase the thickness, which virtually reduces the usable space. The flame-retardant materials also contain non-permitted substances for environmental protection, and the recycling rate is low.

[0005] The above types of boards have been decorated with various composites or coatings on their surfaces to varying degrees. The weather resistance of the decorative layer is only 30-50% of the life of the building. Secondary reconstruction or replacement is required, which wastes resources and high comprehensive cost, which increases the cost of green life cycle

[0006] In terms of comprehensive decoration, there are mainly composite boards, porcelain tiles, coatings, wallpapers and other materials. The advantages and disadvantages of composite boards have been mentioned above. Ceramic tiles have the advantages of durability, good weather resistance, high fire resistance, and easy storage and construction. , poor energy-saving effect of thermal barrier, susceptible to problems such as falling off due to the influence of temperature difference and other climate environments, poor safety

Although the paint and wallpaper itself have a certain thermal resistance effect, but the layer is thin, the energy-saving effect on the space environment is negligible, it is easy to scratch, it is not easy to clean, the thicker the overall structural force is reduced, and the service life is short

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