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Quick-dry thin acrylic-acid protective coating and HDPE (high-density polyethylene) self-adhesive film waterproof roll protective coating layer

A protective coating and protective coating technology, applied in the field of chemical materials, can solve the problems of poor construction quality, short building life, damage to waterproof structures, etc., and achieve the effects of high production efficiency, low overall cost and simple process

Active Publication Date: 2012-07-25
BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, reinforced concrete has defects such as cracks or holes due to its inherent shrinkage characteristics, so that water seepage and leakage occur frequently
In recent decades, engineering accidents caused by this have occurred continuously in many countries. Especially in China, the problem of waterproofing of buildings has become more serious. Relevant data show that the average life span of Chinese buildings is only 30 years. Scarce natural resources, the main reason for the short life of the building is the poor construction quality of the building itself, and the waterproofing is not in place
[0003] The traditional waterproof membrane has a good waterproof effect when the structure is intact; but once it is damaged, it will leak, and the infiltrated water will seep between the waterproof membrane and the concrete structure layer, thus destroying the entire waterproof structure. and should not be repaired

Method used

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  • Quick-dry thin acrylic-acid protective coating and HDPE (high-density polyethylene) self-adhesive film waterproof roll protective coating layer
  • Quick-dry thin acrylic-acid protective coating and HDPE (high-density polyethylene) self-adhesive film waterproof roll protective coating layer
  • Quick-dry thin acrylic-acid protective coating and HDPE (high-density polyethylene) self-adhesive film waterproof roll protective coating layer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] 1. Formulation of quick-drying and thin-coating acrylic protective coating

[0065]

[0066] 2. Preparation method of quick-drying and thin-coating type acrylic protective coating

[0067] 1) Accurately weigh tap water according to the formula, add it to the dispersion tank, stir at about 100 rpm;

[0068] 2) Accurately weigh the dispersant, wetting agent and defoamer, add them to the dispersing tank, stir at a low speed (100 rpm) for 3 minutes, and stir evenly;

[0069] 3) Increase the stirring speed to 200 rpm, slowly and evenly add the accurately weighed pigments, fillers, and anti-fungal agents, and add them in 10-15 minutes, increase the stirring speed to 960 rpm, and carry out high-speed dispersion for 2 hours. Degree, qualified spare.

[0070] 4) Accurately weigh the emulsion and porosity agent, then slowly and evenly add it to the paint mixing tank, the feeding is completed in 5-8 minutes, disperse at a low speed (200 rpm) for 5 minutes, and stir evenly;

...

Embodiment 2

[0079] 1. Formulation of quick-drying and thin-coating acrylic protective coating

[0080]

[0081] 2. Preparation method of quick-drying and thin-coating type acrylic protective coating

[0082] The preparation method is the same as in Example 1.

[0083] 3. Forming process of HDPE self-adhesive film waterproof membrane protective coating

[0084] The molding process is the same as in Example 1.

Embodiment 3

[0086] 1. Formulation of quick-drying and thin-coating acrylic protective coating

[0087]

[0088] 2. Preparation method of quick-drying and thin-coating type acrylic protective coating

[0089] The preparation method is the same as in Example 1.

[0090] 3. Forming process of HDPE self-adhesive film waterproof membrane protective coating

[0091] The molding process is the same as in Example 1.

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Abstract

The invention discloses a quick-dry thin acrylic-acid protective coating, which mainly consists of water, cosolvent, acrylic-acid like emulsion, filler, quick dry agent, hole forming agent, dispersing agent, wetting agent, defoamer, flatting agent and thickener and the like. The invention further discloses an HDPE (high-density polyethylene) self-adhesive film waterproof protective coating layer, which is formed after the quick-dry thin acrylic-acid protective coating is sprayed on a HDPE self-adhesive layer uniformly by a reciprocating mechanical spraying method and drying the same. The quick-dry thin acrylic-acid protective coating is environment-friendly and non-toxic and can be dried quickly and has excellent flatting performance, and an HDPE self-adhesive film waterproof roll prepared by the HDPE self-adhesive film waterproof roll protecting layer has excellent pre-paving anti-adhesive effect with post-cast concrete, and the HDPE self-adhesive film waterproof roll protective layer and the post-cast concrete can be guaranteed to be adhered stably and firmly.

Description

technical field [0001] The invention relates to a quick-drying and thin-coating type acrylic protective coating and the prepared HDPE self-adhesive film waterproof membrane protective coating, which belongs to the field of chemical materials. Background technique [0002] As a structural material, reinforced concrete is widely used in structures such as bridges, buildings, embankments, tunnels, and culverts. However, reinforced concrete has defects such as cracks or holes due to its inherent shrinkage characteristics, so that water seepage and leakage occur frequently. In recent decades, engineering accidents caused by this have occurred continuously in many countries. Especially in China, the problem of waterproofing of buildings has become more serious. Relevant data show that the average life span of Chinese buildings is only 30 years. Scarce natural resources, the main reason for the short life of the building is the poor construction quality of the building itself, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D131/04C09D125/14C09D133/04C09D7/12C08J7/04C08L23/06
Inventor 田凤兰李红英
Owner BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD
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