A New Type of Building Thermal Insulation Mortar

Abstract

The invention relates to a novel thermal insulation mortar for buildings. The novel thermal insulation mortar is prepared from the following raw materials in parts by weight: 25-32 parts of cement, 40-45 parts of fly ash, 35-40 parts of yellow sand, 8-10 parts of polyurethane particles, 10-15 parts of expanded vermiculite and 6-10 parts of a short fiber mixture. The novel thermal insulation mortarhas the advantages that a large amount of the fly ash is added into the raw materials, therefore, the cost of the mortar is obviously reduced; moreover, the fly ash is treated and then added into themortar, so that the comprehensive performance of the mortar can be obviously improved; the polyurethane particles and the expanded vermiculite are added into the raw materials, so that a thermal insulation effect of the mortar is enhanced; and synthetic fabric formed by mixing glass fiber and nylon fiber is added, so that not only is the combining strength of the fiber and the mortar ensured, butalso the fluidity and the plasticity of the mortar during a spraying process are guaranteed, and the construction performance of the mortar is improved.

Description

Technical field [0001] The invention belongs to the field of new building materials, and specifically relates to a new type of thermal insulation mortar for buildings. Background technique [0002] Insulation mortar is a kind of ready-mixed dry powder mortar made of various lightweight materials as aggregates, cement as cementitious material, mixed with some modified additives, and mixed by the manufacturer. A building material used to construct an insulation layer on the surface of a building. Inorganic insulation mortar material insulation system is fireproof and does not burn. It can be widely used in dense residential buildings, public buildings, large public places, flammable and explosive places, and places with strict fire protection requirements. It can also be used as a fire isolation belt to improve building fire protection standards. [0003] At present, mortar is mainly used with cement and yellow sand as the main raw materials. Due to the current increase in the pri...

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Problems solved by technology

[0003] At present, cement and yellow sand are used as main raw materials for mortar. Due to the increase in the price of cement and other materials, the cost of mortar has also increased significantly. In order to reduce the cost, fly ash is often added to the preparation of mortar to reduce the cost. However, Adding fly ash to the mortar will cause the strength of the mortar to increase slowly, and the frost resistance of the mortar is poor, which will affect the use of the product

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