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Main material of spraying film waterproofer with high extension strength and method for preparing the same

A spray film waterproof and tensile strength technology, applied in antifouling/underwater coatings, biocide-containing paints, coatings, etc., can solve the problems that cannot fully meet the practical application requirements of underground engineering and the service life of magnesium acrylate waterproof materials , tensile strength and other mechanical properties decline, to achieve the effect of increased cross-linking points, enhanced force and long service life

Inactive Publication Date: 2008-06-18
成都市嘉洲新型防水材料有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the limitation of the concentration of magnesium acrylate film-forming monomers, the polymers formed by spray film polymerization containing magnesium acrylate monomers have low tensile strength and cannot fully meet the actual application requirements of underground engineering, especially when soaked for a long time in In water with high alkalinity, its mechanical properties such as tensile strength will drop rapidly, which will seriously affect the service life of magnesium acrylate waterproof materials.

Method used

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  • Main material of spraying film waterproofer with high extension strength and method for preparing the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Add 1 part of light magnesium oxide with a particle size of 300 meshes to 100 parts of magnesium acrylate monomer aqueous solution; after mixing and soaking, then carry out high-speed stirring at 1500 rpm or more until there are no visible agglomerated particles in the solution, and this product is obtained. Example of spray film waterproof material main material.

Embodiment 2

[0016] The composition and preparation method of this example are basically the same as those of Example 1, except that 20 parts of light magnesium oxide is added, and the particle size is 600 mesh. Replace high-speed stirring with a ball mill until no agglomerated particles are visible in the solution.

Embodiment 3

[0018] This example is basically the same as Example 1, except that the added light magnesium oxide is 8 parts, and the particle size is 325 mesh. Replace high-speed stirring with a colloid mill until no agglomerated particles are visible in the solution.

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Abstract

The invention disclose a main ingredient for film-spray water-proofing material with high tensile strength, which mainly comprises 100 parts of magnesium acrylate monomer aqueous solution and 1-20 parts of 300-600 mesh light magnesium oxide.

Description

Technical field [0001] The invention relates to a main material of a spray film waterproof material mainly composed of magnesium acrylate and a preparation method thereof Background technique [0002] In tunnels and other underground projects of basic engineering facilities, the requirements for anti-leakage water are very high. For this reason, the inventor discloses a kind of spray film waterproof material of the waterproof film layer that the underground engineering is used to form in the spray mode in the patent of invention that the patent No. is ZL00120645. ), an oxidizing agent and a reducing agent. The three parts are mixed by spraying, the magnesium acrylate in the main material is polymerized by free radical polymerization, and the ion cross-linking structure is formed by the metal magnesium ions in the magnesium acrylate, so that the magnesium acrylate forms a structural material at the moment of spray film polymerization. However, due to the limitation of the c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/02C09D5/16
Inventor 杨其新盛草樱刘东民高明杨美传
Owner 成都市嘉洲新型防水材料有限公司
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