Environment-friendly water-based nano thermal insulation material and preparation method thereof

Abstract

The invention discloses an environment-friendly water-based nano thermal insulation material and a preparation method of the environment-friendly water-based nano thermal insulation material. The thermal insulation material is prepared from the following raw materials in parts by weight: 80-120 parts of cement paste, 1-3 parts of a dispersing agent, 2-5 parts of a water repellent, 3-5 parts of a flame retardant, 50-100 parts of silicon dioxide nano aerogel, 40-80 parts of nano cellulose aerogel, 20-40 parts of glass beads, 5-10 parts of inorganic filler, 80-120 parts of organic filler, 8-15 parts of a foaming agent, 5-10 parts of a curing agent and 20-40 parts of a water solvent. The thermal insulation material is prepared by taking silicon dioxide aerogel, nano cellulose aerogel and glass beads as homogeneous aggregates, taking organic filler and inorganic filler as fillers and matching with various auxiliaries, has nano thermal insulation performance, good thermal insulation performance and good fireproof and waterproof effects, realizes waste reutilization, is environment-friendly and reliable, and is suitable for large-scale popularization and application. The method is widely applied to building insulation engineering.

Description

technical field [0001] The invention relates to the field of nano thermal insulation materials, in particular to an environmentally friendly water-based nano thermal insulation material and a preparation method thereof. Background technique [0002] Thermal insulation materials generally refer to materials with a thermal coefficient less than or equal to 0.2. Today, global thermal insulation materials are developing in the direction of high efficiency, energy saving, thin layers, heat insulation, and waterproof and external protection. In the development of new thermal insulation materials and In line with the structural thermal insulation and energy-saving technology, more emphasis is placed on the targeted use of thermal insulation materials, design and construction according to standard specifications, and efforts to improve thermal insulation efficiency and reduce costs. [0003] At present, building energy-saving insulation materials are divided into two categories: org...

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Problems solved by technology

Ordinary inorganic thermal insulation materials have high thermal conductivity and poor thermal insulation effect. Although they have good fireproof performance, their thermal insulation effect is not ideal under high temperature conditions, and it is difficult to meet the 75% energy saving requirement.

[0005] At present, organic insulation materials such as polystyrene foam (EPS), polyurethane (PU), and phenolic resin (PF) are widely used in building insulation materials. After the demolition of houses, these materials are troublesome to deal with, and naturally difficult to degrade, which seriously affects surroundings

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