Inorganic wall heat insulation mortar

Abstract

The invention discloses an inorganic wall heat insulation mortar. The inorganic wall heat insulation mortar is prepared through using the following raw materials, by mass, 30-60% of white cement, 20-50% of calcium powder, 12-30% of vitreous bead, 3-20% of asbestos, 1-3% of mica, 0.1-0.6% of HPMC, 1-8% of bentonite, 0.2-0.7% of lignocellulose and 1-4% of gold sand. The insulation mortar has the characteristics of non-combustible A grade, light weight, high strength, good heat insulation performance, heat conduction coefficient being 0.055-0.042w / mk, easily available raw materials, low cost, and no generation of three wastes, and is a preferred material for energy saving and heat insulation.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to an inorganic wall thermal insulation mortar with fireproof and thermal insulation functions. Background technique [0002] At present, the inner and outer walls of most building envelopes in my country still use ordinary cement sand that has been used for many years. This ordinary cement mortar has a high thermal conductivity and has a poor function of preventing heat transfer. Areas with large temperature differences often consume a lot of energy due to frequent heat exchange between hot and cold air. In order to solve the above problems, people try to add a certain amount of polystyrene or other plastic material particles to the ordinary cement sand, hoping to meet the requirements of the wall surface, especially the external wall surface, through the heat resistance characteristics of polystyrene or plastic particles. However, this improved wall mortar m...

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Problems solved by technology

[0002] At present, the inner and outer walls of most building envelopes in my country still use ordinary cement sand that has been used for many years. This ordinary cement mortar has a high thermal conductivity and has a poor function of preventing heat transfer. Areas with large temperature differences often consume a lot of energy due to frequent heat exchange between hot and cold air

In order to solve the above problems, people try to add a certain amount of polystyrene or other plastic material particles to the ordinary cement sand, hoping to meet the requirements of the wall surface, especially the external wall surface, through the heat resistance characteristics of polystyrene or plastic particles. However, this improved wall mortar material still has defects such as poor waterproof and moisture-proof performance, poor thermal insulation ability, and cracks caused by mortar shrinkage.

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