Multi-layer composite heat preservation and insulation plate and preparation method thereof

Abstract

The invention relates to a thermal insulation material and particularly relates to a multi-layer composite thermal insulation board and a preparation method thereof. The multi-layer composite heat preservation and insulation plate structurally comprises a bonding mortar layer, a reinforcing layer, a heat preservation and insulation layer, a flame-retardant layer and a facing layer from inside to outside in sequence, and the bonding mortar layer, the reinforcing layer, the heat preservation and insulation layer, the flame-retardant layer and the facing layer are bonded and pressed into an integrated structure through adhesives. The heat preservation and insulation layer is prepared from, by weight, 25-40 parts of polystyrene foam particles, 5-8 parts of aluminum hydroxide, 5-8 parts of ceramic fibers, 5-8 parts of modified graphene oxide and 1-3 parts of silane coupling agent. The multi-layer composite heat preservation and insulation plate can reach the national A-level fireproof standard, the heat preservation and insulation effect of the heat preservation and insulation plate is improved by adding the modified graphene oxide, and the flame retardant function of the heat preservation and insulation plate is enhanced.

Description

technical field [0001] The invention relates to a thermal insulation material, in particular to a multilayer composite thermal insulation board and a preparation method thereof. Background technique [0002] At present, organic and inorganic insulation materials are widely used in industrial equipment and building walls. There are many types of building energy-saving materials, each with its own characteristics. From the perspective of building enclosure wall insulation and building and roof insulation, there are two main categories: 1. Organic insulation materials: such as expanded polystyrene board (EPS, extruded polystyrene board (XPS) , spray polyurethane (SPU), and polystyrene particles, etc. Organic thermal insulation materials have the advantages of light weight, good processability, high compactness, and good thermal insulation effect. The disadvantages are: not resistant to aging, large deformation coefficient, and poor stability , poor safety, easy to burn, poor ...

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Problems solved by technology

The disadvantages are: not resistant to aging, large deformation coefficient, poor stability, poor safety, easy to burn, poor ecological environmental protection, difficult construction, high engineering cost, limited resources and difficult to recycle.

[0003] Traditional thermal insulation boards generally use a single material with only one layer of structure, so the heat insulation effect is sometimes not good, because a single layer of material cannot completely prevent heat conduction. In view of the above defects, it is necessary to develop a multi-layer composite thermal insulation plate

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