Environment-friendly interior wall paint and preparation method thereof

An interior wall coating, environmental protection technology, applied in the field of coatings, can solve the problems of no adsorption and degradation, achieve the effect of improving coalescence, improving coalescence performance, and excellent elimination of harmful gases such as formaldehyde

Active Publication Date: 2019-04-05
江西高雅科技新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although the existing environment-friendly indoor waterproof coating has less volatilization of harmful substances and has a good waterproof function, it has no adsorption and degradation functions for harmful gases such as formaldehyde released by indoor furniture or other decorations.

Method used

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  • Environment-friendly interior wall paint and preparation method thereof
  • Environment-friendly interior wall paint and preparation method thereof
  • Environment-friendly interior wall paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0042] Preparation Example 1: (1) According to the ratio in Table 1, 10 kg of shells were soaked in 100 kg of 4% sodium hydroxide solution for 18 hours, ultrasonically cleaned several times, then placed in an oven, and dried at 100°C for 20 hours , taken out, ground, and passed through a 100-mesh sieve to obtain shell powder; the ultrasonic cleaning frequency was 25kHz, the single cleaning time was 5min, the grinding time was 10h, the grinding medium was zirconia balls, the ball-to-material ratio was 4:1, and the ball mill speed 30r / min;

[0043] (2) Take the shell powder, add 80 kg of distilled water and 5 kg of polyethylene glycol, heat it in a water bath to 95 °C after ultrasonic oscillation and dispersion, add 5 kg of zinc stearate, mix and stir for 1.5 hours, suction filter, and use 30 kg of anhydrous Suction filtration after washing with ethanol; the ultrasonic oscillation frequency is 40kHz, and the oscillation time is 20min;

[0044] (3) Take the result of step (2), a...

preparation example 2

[0045] Preparation Example 2: (1) According to the proportioning in Table 1, 15 kg of shells were soaked in 125 kg of 6% sodium hydroxide solution for 25 hours, ultrasonically cleaned several times, then placed in an oven, and dried at 115°C for 22 hours , taken out, ground, and passed through a 100-mesh sieve to obtain shell powder; the ultrasonic cleaning frequency is 35kHz, the single cleaning time is 8min, the grinding time is 11h, the grinding medium is zirconia balls, the ball-to-material ratio is 5:1, and the ball mill speed 35r / min;

[0046] (2) Take the shell powder, add 90 kg of distilled water and 8 kg of polyethylene glycol, heat it in a water bath to 98 ° C after ultrasonic oscillation and dispersion, add 8 kg of zinc stearate, mix and stir for 1.8 hours, suction filter, and use 40 kg of anhydrous Suction filtration after washing with ethanol; the ultrasonic oscillation frequency is 45kHz, and the oscillation time is 25min;

[0047] (3) Take the result of step (2...

preparation example 3

[0048] Preparation Example 3: (1) According to the proportioning in Table 1, 20 kg of shells were soaked in 150 kg of 8% sodium hydroxide solution for 28 hours, ultrasonically cleaned several times, then placed in an oven, and dried at 130°C for 24 hours , taken out, ground, and passed through a 100-mesh sieve to obtain shell powder; the ultrasonic cleaning frequency is 40kHz, the single cleaning time is 10min, the grinding time is 12h, the grinding medium is zirconia balls, the ball-to-material ratio is 6:1, and the ball mill speed 40r / min;

[0049] (2) Take the shell powder, add 100 kg of distilled water and 10 kg of polyethylene glycol, heat it in a water bath to 100 ° C after ultrasonic oscillation and dispersion, add 10 kg of zinc stearate, mix and stir for 2 hours, filter with suction, and use 50 kg of absolute ethanol Suction filtration after washing; wherein the ultrasonic oscillation frequency is 50kHz, and the oscillation time is 30min;

[0050] (3) Take the result ...

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Abstract

The invention discloses environment-friendly interior wall paint and a preparation method thereof. The environment-friendly interior wall paint comprises, by weight, 45-75 parts of modified shell powder, 15-20 parts of toumaline powder, 5-10 parts of diatomite, 5-10 parts of hydroxypropyl methyl cellulose, 1-5 parts of defoamer, 1-3 parts of dispersant, 26 parts of thixotropic agent, 1-2 parts oftitanium dioxide, 2-5 parts of calcined kaolin, 1-5 parts of hollow glass bead, 1-5 parts of film forming aid, 15-20 parts of nano titanium dioxide, 20-30 parts of organosilicon modified acrylic emulsion, 5-10 parts of ethylene-vinyl acetate copolymer and 80-100 parts of deionized water. The preparation method includes following steps: S1, dispersing cellulose; S2, mixing and grinding raw materials; S3, adding ingredients; S4, preparing the environment-friendly interior wall paint. The environment-friendly interior wall paint does not volatilize harmful gas, can adsorb and degrade harmful gaslike formaldehyde and is environment-friendly.

Description

technical field [0001] The invention relates to the technical field of coatings, more specifically, it relates to an environment-friendly interior wall coating and a preparation method thereof. Background technique [0002] Water-based latex paint for interior walls is an essential material for home decoration. At present, with the enhancement of people's awareness of environmental protection, the requirements for interior wall latex paint for decoration are getting higher and higher. Polyvinyl formal paints with relatively high formaldehyde release have already Gradually being eliminated, various environmentally friendly interior wall coatings that release negative ions and low VOC are used more and more, which has taken a big step forward in terms of health and environmental protection. How to develop environmentally friendly green coatings has become an issue of increasing concern. Especially in recent years, with the improvement of people's living standards and the conti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D5/14C09D5/18C09D5/08C09D7/61C09D7/63C09D7/65
CPCC08K2003/2241C08K2003/324C08K2003/387C08K2201/011C08L2201/02C08L2205/035C09D5/08C09D5/14C09D5/1618C09D5/1687C09D5/18C09D143/04C08L23/0853C08L71/02C08L1/284C08K13/06C08K9/02C08K9/04C08K9/08C08K3/26C08K3/38C08K7/26C08K3/346C08K3/22C08K3/32C08K7/28C08K5/103C08K3/34
Inventor 李莉
Owner 江西高雅科技新材料有限公司
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