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Capillary crystalline building waterproofing agent

A technology for building waterproofing and osmotic crystallization, applied in the field of concrete building waterproofing materials, can solve the problems of high production cost of waterproofing materials, limiting the application scope of concrete waterproofing projects, etc., so as to improve waterproofness and self-healing properties, enhance waterproofing effect, and increase thickness Effect

Inactive Publication Date: 2016-01-13
GUILIN HEXIN WATERPROOF DECORATION MATERIAL
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Problems solved by technology

However, domestic osmotic crystalline waterproof materials are mainly configured by importing osmotic crystalline masterbatches, such as Chinese patent numbers CN102786275B, CN101362867A, CN101654351A, etc. Therefore, the production cost of waterproof materials is relatively high, which limits its application in concrete waterproofing projects. Application range

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Embodiment Construction

[0027] Below in conjunction with embodiment, the present invention will be further described:

[0028] The osmotic crystalline building waterproofing agent of the present invention is made of the following components by weight: 10-25 parts of sodium silicate, 3-5 parts of sodium methyl silicate, 2-6 parts of sodium alginate 4-9 parts of gelatin, 2-5 parts of dodecyl ethoxy sulfobetaine, 1-4 parts of sodium carbonate, 1-4 parts of sodium citrate, 2-4 parts of triethanolamine, 3 parts of potassium aluminum sulfate ~7 parts, calcium sulfate 3~6 parts, sodium polyacrylate 1~4 parts, calcium lignosulfonate 2~5 parts, hydroxyethyl cellulose 3~6 parts, calcium hydroxide 2~6 parts, boric acid 1~ 4 parts, 60-80 parts of water. In specific implementation, it can be directly applied to the base surface to be waterproofed by spraying or brushing, and repeated brushing to a certain thickness, and curing for 3 days or more is enough.

[0029] Table 1 shows the weight ratio of each compone...

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Abstract

The invention discloses a capillary crystalline building waterproofing agent. The waterproofing agent is prepared from, by weight, 10-25 parts of sodium silicate, 3-5 parts of sodium methyl silicate, 2-6 parts of sodium alginate, 4-9 parts of gelatin, 2-5 parts of dodecyl ethoxy sulfobetaine, 1-4 parts of sodium carbonate, 1-4 parts of sodium citrate, 2-4 parts of triethanolamine, 3-7 parts of potassium aluminum sulfate, 3-6 parts of calcium sulfate, 1-4 parts of sodium polyacrylate, 2-5 parts of calcium lignosulphonate, 3-6 parts of carboxymethyl cellulose, 2-6 parts of calcium hydroxide, 1-4 parts of boric acid and 60-80 parts of water. The waterproofing agent disclosed in the invention has the advantages of good waterproofing performance, good durability, good self-healing performance and low cost, and can be used in waterproofing of roofs, basements and toilets.

Description

technical field [0001] The invention relates to a osmotic crystalline building waterproofing agent, which belongs to the technical field of concrete building waterproofing materials. Background technique [0002] Concrete is a multi-phase composite brittle material, its tensile strength is relatively low (about 1 / 20-1 / 10 of the compressive strength), and the ultimate tensile strain is relatively small (only 0.02%-0.03%). When it is in the process of hydration and hardening, due to drying shrinkage, chemical shrinkage, carbonation shrinkage and other reasons, the internal tensile stress caused by volume shrinkage and deformation is greater than its own tensile strength, cracking will occur in concrete, which can not only destroy its The impermeability of the structure will also affect its durability, the stability of steel bars and the safety of the building. In addition, concrete is also a heterogeneous material. From the perspective of macrostructure, concrete is composed ...

Claims

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Application Information

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IPC IPC(8): C04B24/42C04B22/08C04B22/16C04B22/10C04B103/65
Inventor 黄志强王继发刘泓铭
Owner GUILIN HEXIN WATERPROOF DECORATION MATERIAL
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