Weather resistance stabilizing agent of crack filler and preparation method

A weather resistance and stabilizer technology, applied in the field of building caulks, can solve the problems of safety, long life and large limitations, and achieve the effect of promoting anti-aging performance, facilitating cutting and processing, and enhancing water repellency and migration.

Inactive Publication Date: 2015-12-23
孙军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the existing joint fillers are made of cement, together with the additives commonly used in cement, which have defects in environmental resistance and environmental protection, and have great limitations in application occasions, safe use, and long life.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] A weather resistance stabilizer for a caulking agent, comprising 2 parts by mass of ethylene-vinyl acetate copolymer, 8 parts of vitrified microspheres, 1 part of acrylic resin, 3 parts of hydroxypropyl methylcellulose, and inorganic aluminum salt waterproof 1 part of agent, 0.5 parts of magnesium aluminum silicate, 1.5 parts of 107 organic silica gel.

Embodiment 2

[0011] A weather resistance stabilizer for a caulking agent, comprising 3 parts by mass of ethylene-vinyl acetate copolymer, 12 parts of vitrified microbeads, 1.5 parts of acrylic resin, 6 parts of hydroxypropyl methylcellulose, and inorganic aluminum salt waterproof 1.3 parts of agent, 1.5 parts of magnesium aluminum silicate, 1.9 parts of 107 organic silica gel.

Embodiment 3

[0013] A weather resistance stabilizer for caulking agent, comprising 2.5 parts of ethylene-vinyl acetate copolymer, 11 parts of vitrified microspheres, 1.35 parts of acrylic resin, 5 parts of hydroxypropyl methylcellulose, and inorganic aluminum salt waterproof 1.2 parts of agent, 1.2 parts of magnesium aluminum silicate, 1.8 parts of 107 organic silica gel.

[0014] The preparation method of the weather resistance stabilizer of the above-mentioned caulking agent comprises the following steps: (1) ethylene-vinyl acetate copolymer and acrylic resin are ultrasonically dispersed for 0.5-1h and then added with inorganic aluminum salt water repellent, magnesium aluminum silicate and 107 organic Silica gel, stir at high speed to disperse for 1-1.5h, finally add vitrified microbeads and hydroxypropyl methylcellulose, and slowly cool down to room temperature.

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PUM

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Abstract

The invention discloses a weather resistance stabilizing agent of crack filler and a preparation method. The weather resistance stabilizing agent of the crack filler is prepared from, by mass, 2-3 parts of ethylene-vinyl acetate copolymer, 8-12 parts of vitrified micro bubbles, 1-1.5 parts of acrylic resin, 3-6 parts of hydroxypropyl methyl cellulose, 1-1.3 parts of inorganic aluminum salt water-proofing agents, 0.5-1.5 parts of magnesium aluminium silicate and 1.5-1.9 parts of 107 organic silica gel. Ultrasonic dispersion is conducted on the ethylene-vinyl acetate copolymer and the acrylic resin for 0.5-1 hour, then the inorganic aluminum salt water-proofing agents, the magnesium aluminium silicate and the 107 organic silica gel are added, high-speed stirring and dispersion are conducted for 1-1.5 hours, finally the vitrified micro bubbles and the hydroxypropyl methyl cellulose are added, the mixture is slowly cooled to room temperature, and the weather resistance stabilizing agent of the crack filler is obtained.

Description

technical field [0001] The invention relates to a construction joint filler, in particular to a joint sealant weather resistance stabilizer and a preparation method. Background technique [0002] Because the caulking agent can perfectly repair the cracks or damages on the ground surface, and it can also be prepared in rich colors, it is more and more popular among customers. However, most of the existing joint fillers are made of cement, together with additives commonly used in cement, which have the disadvantages of environmental resistance and environmental protection, and have great limitations in application occasions, safe use, and long life. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the invention provides an environment-resistant and environment-friendly sealant weather resistance stabilizer and a preparation method. [0004] The technical scheme adopted in the present invention is: a weather-resistant stabilizer for caulking ag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/42C04B24/26C04B14/24C04B24/38C04B22/08
Inventor 孙军张斌季鹏龙桂贵李燕
Owner 孙军
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