Energy-saving and environmentally-friendly thermal insulation material and preparation method thereof

Abstract

The invention discloses an energy-saving and environmentally-friendly thermal insulation material, which comprises the following raw materials: calcium silicate board waste powder, nano-scale ultrafine calcium carbonate, modified shell powder, sodium matrix white bentonite, an organosilicon water repellent, cold water type poly vinyl alcohol, a powdered organosilicon defoamer, high aluminum refractory fiber, polyethylene oxide block polybutyl acrylate, water glass, and water. According to the present invention, the prepared energy-saving and environmentally-friendly thermal insulation materialhas the substantially improved thermal insulation performance, can be prevented from being cracked and damaged when the external temperature changes greatly, can prolong the service life of the object wrapped in the middle of the thermal insulation material, has the improved thermal insulation effect, and can prevent the fire disaster phenomenon caused by the too high external temperature.

Description

technical field [0001] The invention relates to thermal insulation materials, in particular to an energy-saving and environment-friendly thermal insulation material and a preparation method thereof. Background technique [0002] Insulation materials are a necessity in thermoelectric, fiber, petrochemical and other fields. At present, there are many insulation materials in the market. The general inorganic insulation materials are a single body, such as perlite and calcium silicate. Although they have good heat insulation and hardness, they have poor strength, and the insulation layer has many gaps and overlapping. Traditional thermal insulation materials such as rock wool, glass wool, aluminum silicate fiber, etc., because the space of the thermal insulation body is not closed, the convection heat dissipation results in poor thermal insulation effect, and there are also short service life, easy aging, and brittleness. Cracks, high cost, failure to achieve energy conservatio...

AI Technical Summary

Problems solved by technology

At present, there are many thermal insulation materials in the market. The general inorganic thermal insulation materials are a single body, such as perlite and calcium silicate.

Traditional thermal insulation materials such as rock wool, glass wool, aluminum silicate fiber, etc., because the space of the thermal insulation body is not closed, the convection heat dissipation results in poor thermal insulation effect, and there are also short service life, easy aging, and brittleness. Defects such as cracking, high cost, failure to achieve energy conservation and environmental protection

[0003] The patent application with the publication number CN103043984A discloses an energy-saving thermal insulation material. The patent mainly uses bricks and tiles as the base material to make rational use of resources. However, it takes a lot of work to grind the bricks and tiles into powder. Moreover, the invention is applied after molding, and the work efficiency of the installers is low

[0004] The patent application with the publication number CN104556843A discloses a fireproof heat preservation material, which is made of bleaching powder, oyster powder, centrifugal glass fiber, ceramic cotton, bentonite, polyacrylamide, penetrating agent, rare earth additive, pearl powder coal Ash and rock wool are prepared as raw materials. Among them, rock wool has the disadvantage of strong water absorption and high thermal conductivity, which will easily lead to the decline of the performance of the insulation material.

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