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A kind of waterproof thermal insulation building material and preparation method thereof

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

Active Publication Date: 2022-07-22
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 silica includes: adding the hydrophobic fumed silica into an organic solvent, then adding an aminosilane coupling agent to it, stirring and reacting at 50-70° C. for 4-6 hours, and then rotary evaporation The solvent was removed to obtain amino-modified hydrophobic fumed silica.

[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 fluorosilicon is hydrophobic fluorosilicon 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] Described epoxidized waste oil is the epoxidized waste oil prepared according to the preparation method of epoxidized waste oil in Chinese Inventio...

Embodiment 1

[0053] Embodiment 1 provides a kind of waterproof thermal insulation building material, it is characterized in that, it is made of each raw material of following weight parts: cement 15 parts, amino-modified hydrophobic gas silicon 6 parts, epoxidized waste oil 1 part, hydrophobic 1 part of water functional additives, 4 parts of epoxy-containing hyperbranched polyurethane, 3 parts of sepiolite powder, 0.5 parts of cationic guar gum, 30 parts of sand, 1 part of rare earth fluoride hollow nanoparticles, 0.5 parts of foaming agent , 3 parts of waste gypsum, 2 parts of nano-boron fibers, 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 includes: adding the hydrophobic fumed silicon into an organic solvent, then adding an aminosilane coupling agent to it, stirring and reacting at 50° C. for 4 hours, and then removing the solvent by rotary evaporat...

Embodiment 2

[0060] Embodiment 2 provides a kind of waterproof thermal insulation building material, and its formula and preparation method are basically the same as those of embodiment 1, the difference is that it is made from the following raw materials in parts by weight: 17 parts of cement, 17 parts of 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 epoxy-containing hyperbranched polyurethane, 3.5 parts of sepiolite powder, 0.7 parts of cationic guar gum, 33 parts of sand, 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 and thermal insulation building material, which is characterized in that it is prepared from the following raw materials in parts by weight: 15-20 parts of cement, 6-10 parts of amino-modified hydrophobic silicon, and epoxidized waste oil. 1-3 parts, 1-2 parts of hydrophobic functional additives, 4-6 parts of epoxy-containing hyperbranched polyurethane, 3-5 parts of sepiolite powder, 0.5-1.5 parts of cationic guar gum, 30-40 parts of sand parts, 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 present invention also provides a preparation method of the waterproof thermal insulation building material. The waterproof and thermal insulation building material provided by the invention has good comprehensive performance, remarkable thermal insulation effect, good waterproof performance, and excellent mechanical and mechanical properties and 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 and thermal insulation 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 achieve energy saving and consumption reduction in buildings and 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 source foame...

Claims

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Application Information

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Patent Type & Authority Patents(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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