Novel expanded perlite insulation board and preparation method thereof

Abstract

Provides are a novel expanded perlite insulation board and a preparation method thereof. The novel expanded perlite insulation board is mainly prepared by raw materials of 50%-80% of expanded perlite, 10%-40% of inorganic adhesive and organic adhesive, 0%-10% of fiber and 0%-10% of property-modifying additive. The novel expanded perlite insulation board uses a compression molding process and is high in production efficiency, good in size stability and low in production cost. The novel expanded perlite insulation board has excellent fireproofing safety to overcome shortcomings of poor fireproof performance, ageing resistant and environment pollution; and has excellent waterproofness and low thermal coefficients to overcome a shortcoming that a common inorganic insulation material is large in thermal coefficient and strong in water absorbability. The novel expanded perlite insulation board has excellent heat insulation performance, can achieve thermal insulation performance levels of the organic material, simultaneously has non-ignitable performance of the inorganic material, is good in durability and weather fastness, can achieve same service life of buildings, solves the problem that service life of an organic board is short, and is favorable for energy saving and environmental protection. The service life of the organic board can be asynchronous with the building.

Description

technical field [0001] The invention relates to a novel expanded perlite insulation board and a preparation method thereof. Background technique [0002] With the development of urban construction, building energy conservation has gradually come into people's sight, thus building thermal insulation has become the focus of people's attention, and building thermal insulation materials have also become an important subject. [0003] At present, the existing building exterior wall insulation boards mainly include polystyrene foam boards, rock wool boards, foamed cement, and new expanded perlite insulation systems. However, polystyrene foam boards are flammable and may cause fires once exposed to open flames, and have been banned from use; mineral wool has a high water absorption rate, is easy to swell after absorbing water, and is easy to hollow or fall off, which has potential safety hazards; The thermal conductivity is still relatively large for thermal insulation materials, ...

AI Technical Summary

Problems solved by technology

However, polystyrene foam boards are flammable and may cause fires once exposed to open flames, and have been banned from use; mineral wool has a high water absorption rate, is easy to swell after absorbing water, and is easy to hollow or fall off, which has potential safety hazards; The thermal conductivity is still relatively large for insulation materials, and the water absorption rate is high, and the frost resistance is poor; the expanded perlite board has low density and low thermal conductivity, and is suitable as an external wall insulation system, but its water absorption rate is high.