Special core material for exterior wall external insulation fire-proof insulation and decoration plates and preparation method thereof

Abstract

A special core material for exterior wall external insulation fire-proof insulation and decoration plates and a preparation method thereof are provided. The core material comprises a blocky vertical silk rock wool plate blank. The six sides of the vertical silk rock wool plate blank are each coated with a layer of flexible building structure adhesive to form a sealing layer. The outer side of the sealing layer is reinforced with basalt fiber mesh cloth, and the basalt fiber mesh cloth closely wraps the vertical silk rock wool plate blank to form a new mesh-bar composite body. Therefore, the joint stress of the pasting material and the vertical silk rock wool plate blank is enhanced, the tensile resistance, compressive resistance and shearing resistance of the rock wool insulation plate are increased, and the strength, stiffness, crack resistance and integrity of the rock wool insulation plate are improved. The surface of the vertical silk rock wool plate is sealed, so that the plate is effectively prevented from aging or becoming damp, and the service life is prolonged greatly. The core material has a simple structure, and is easy to manufacture. The technical scheme is applicable to the special core material for exterior wall external insulation fire-proof insulation and decoration plates.

Description

technical field [0001] The invention belongs to the field of external thermal insulation materials for external walls, and specifically relates to an integrated board for external thermal insulation of external walls, which uses basalt fiber mesh cloth and a special flexible building structure adhesive to wrap six sides of a standing wire rock wool slab blank Special insulation core material. Background technique [0002] For a long time, the country's fire protection requirements for external wall insulation projects have become more and more stringent. Due to the use of organic insulation materials for external wall insulation projects, fires frequently occur, and inorganic insulation materials are used. However, inorganic insulation materials are subject to high bulk density. , poor thermal insulation performance, low vertical tensile strength, high price and restricted by the market, and only rock wool has excellent performance, its acidity coefficient ≥ 1.6, bulk densit...

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Problems solved by technology

[0006] The purpose of the present invention is to provide a special core material for exterior thermal insulation, fireproof, thermal insulation and decoration integrated board and its preparation method, to solve the problem of low fireproof performance of organic thermal insulation core materials commonly used in the prior art and to adopt vertical fiber rock wool board as thermal insulation core material When the strength, stiffness, crack resistance and integrity are poor; solve the problem that the rock wool side is easily damaged by moisture and the service life is low because the insulation core material of the existing rock wool insulation board has no full sealing effect

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