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Waterproof heat-preservation heat-insulation building material and preparation method thereof

A building material, thermal insulation technology, applied in the field of building materials, can solve the problems of further improvement of weather resistance, limited waterproof effect, high water absorption rate of organic components, etc., to achieve remarkable thermal insulation effect, mechanical properties and performance Excellent stability and good compatibility

Active Publication Date: 2021-03-02
江苏筑立建筑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is composed of multiple layers, which is prone to delamination, which affects performance stability, and the organic components in the protective paper have a high water absorption rate, and the waterproof effect is limited, and the weather resistance needs to be further improved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0032]The preparation method of the amino-modified hydrophobic fumed silicon comprises: adding the hydrophobic fumed silicon into an organic solvent, then adding an aminosilane coupling agent therein, stirring and reacting at 50-70°C for 4-6 hours, and then rotating and evaporating The solvent is removed to obtain amino-modified hydrophobic fumed silicon.

[0033] The mass ratio of the hydrophobic fumed silica, the organic solvent, and the aminosilane coupling agent is (3-5):(15-25):(0.1-0.3).

[0034] The hydrophobic fumed silicon is hydrophobic fumed silicon AEROSIL® R812; the organic solvent is at least one of N,N-dimethylformamide, N,N-dimethylacetamide, and N-methylpyrrolidone; the The aminosilane coupling agent is at least one of (3-aminopropyl)triethoxysilane, silane coupling agent JH-M902, and 3-aminopropyltrimethoxysilane.

[0035] The epoxidized waste oil is the epoxidized waste oil prepared according to the preparation method of the epoxidized waste oil in the Chin...

Embodiment 1

[0053] Embodiment 1 provides a waterproof thermal insulation building material, which is characterized in that it is made of the following raw materials in parts by weight: 15 parts of cement, 6 parts of amino-modified hydrophobic silica, 1 part of epoxidized waste oil, 1 part of water functional additive, 4 parts of hyperbranched polyurethane containing epoxy groups, 3 parts of sepiolite powder, 0.5 parts of cationic guar gum, 30 parts of sand material, 1 part of rare earth fluoride hollow nanoparticles, 0.5 parts of foaming agent , 3 parts of waste gypsum, 2 parts of nano-boron fiber, and 1 part of rosin-based hyperbranched polyester.

[0054] The cement is ordinary 42.5# Portland cement.

[0055] The preparation method of the amino-modified hydrophobic fumed silicon comprises: adding the hydrophobic fumed silicon into an organic solvent, then adding an aminosilane coupling agent therein, stirring and reacting at 50°C for 4 hours, and then removing the solvent by rotary evap...

Embodiment 2

[0060] Embodiment 2 provides a waterproof thermal insulation building material, its formula and preparation method are basically the same as in Embodiment 1, the difference is that it is made of the following raw materials in parts by weight: 17 parts of cement, amino-modified hydrophobic gas 7 parts of silicon, 1.5 parts of epoxidized waste oil, 1.2 parts of hydrophobic functional additives, 4.5 parts of hyperbranched polyurethane containing epoxy groups, 3.5 parts of sepiolite powder, 0.7 parts of cationic guar gum, 33 parts of sand material, rare earth 1.5 parts of fluoride hollow nanoparticles, 0.7 parts of foaming agent, 3.5 parts of waste gypsum, 2.5 parts of nano-boron fibers, and 1.5 parts of rosin-based hyperbranched polyester.

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Abstract

The invention discloses a waterproof heat-preservation and heat-insulation building material. The building material is prepared from the following raw materials in parts by weight: 15-20 parts of cement, 6-10 parts of amino modified hydrophobic gas silicon, 1-3 parts of epoxidized gutter oil, 1-2 parts of hydrophobic functional additive, 4-6 parts of hyperbranched polyurethane containing epoxy groups, 3-5 parts of sepiolite powder, 0.5-1.5 parts of cationic guar gum, 30-40 parts of sand, 1-3 parts of rare earth fluoride hollow nanoparticles, 0.5-1.5 parts of foaming agent, 3-5 parts of waste gypsum, 2-4 parts of nano boron fibers and 1-3 parts of rosin-based hyperbranched polyester. The invention also provides a preparation method of the waterproof thermal insulation building material. Thewaterproof thermal insulation building material provided by the invention has the advantages of excellent comprehensive performance, remarkable thermal insulation effect, excellent waterproof performance, excellent mechanical properties and excellent performance stability.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a waterproof and thermal insulation building material and a preparation method thereof. Background technique [0002] With the progress of society and the improvement of people's living standards, people's requirements for building materials are getting higher and higher. Waterproof, thermal insulation and barrier properties have become the most basic performance indicators of building materials, and their level directly determines the quality of construction projects. The development of waterproof and thermal insulation building materials is the only way to realize building energy saving and consumption reduction, and to take the road of sustainable development. It is also an effective way to prolong the service life of building materials and ensure the safety of construction projects. [0003] Existing thermal insulation building materials mostly use solid waste sou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B111/27
CPCC04B28/04C04B2201/50C04B2201/32C04B2111/27C04B14/062C04B24/42C04B24/124C04B24/08C04B24/282C04B14/042C04B24/38C04B22/12C04B24/121C04B14/38C04B22/143C04B24/283
Inventor 程焕芹季路路
Owner 江苏筑立建筑科技有限公司
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