Prefabricated sandwich insulation board and preparation method thereof

By designing prefabricated sandwich insulation boards with multi-layer materials, the existing sandwich insulation boards have solved the problems of low strength and poor fire resistance, and achieved higher insulation effect, service life and overall performance.

CN119640977APending Publication Date: 2025-03-18SHANGHAI HONGHAO BUILDING MATERIALS CO LTD +1
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Patent Information

Application Number
CN202510106064.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

The existing sandwich insulation board has low strength, poor fire resistance, poor structural performance, short service life, poor sound insulation effect, poor corrosion resistance and poor impact resistance.

Method used

A prefabricated sandwich insulation board is designed, including an insulation layer, a first protective layer and a second protective layer. The insulation layer is composed of an outer frame and a partition with honeycomb holes on the partition and bumps and grooves on the sides of the outer frame to enhance structural strength and installation convenience. The first protective layer and the second protective layer are composed of a multilayer material, including a wear-resistant layer, a flame retardant layer, a corrosion-proof layer, a sound-insulating layer and a mortar layer, and the overall performance is improved by superimposing structure and material selection.

Benefits of technology

The insulation effect, service life, wear resistance, flame retardancy, corrosion resistance, sound insulation effect and impact resistance of the sandwich insulation board are improved, and the overall structural performance and installation efficiency are enhanced.

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Abstract

The invention relates to the technical field of sandwich insulation boards, and particularly discloses a prefabricated sandwich insulation board and a preparation method thereof.The prefabricated sandwich insulation board comprises an insulation layer, a first protection layer and a second protection layer, the first protection layer is arranged at the top of the insulation layer, the second protection layer is arranged at the bottom of the insulation layer, and a second groove is formed in the adjacent side face of the insulation layer; the other adjacent side face of the heat preservation layer is provided with a second protruding block matched with the second groove. According to the sandwich insulation board, the insulation layer is arranged in the middle, the insulation effect is improved, the protection layers are arranged on the two sides of the insulation layer and used for protecting the insulation layer, and the service life of the whole insulation board is prolonged; the sandwich insulation board is provided with the first protection layer which can achieve the effects of wear resistance, flame retardance, corrosion resistance and sound insulation, and the sandwich insulation board is further provided with the second protection layer which can achieve the effects of sound insulation, buffering and flame retardance; and keels are arranged in the protective layer to improve the overall structural performance of the whole prefabricated insulation board.
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