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Emulsion paint and preparation method thereof

A technology of latex paint and titanium dioxide, applied in latex paint, coating and other directions, can solve the problems of increasing the cost of paint, stable dispersion, etc., and achieve the effect of improving scrub resistance and alkali resistance.

Inactive Publication Date: 2013-02-13
张家港市新东玻棉制品厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the surface effect caused by the special surface structure of nanoparticles, they are easily agglomerated by adsorption, which makes it always have stable dispersion problems in water-based coatings.
Moreover, the addition of nanoparticles will increase the cost of the coating

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Titanium dioxide 33g;

[0033] Calcium carbonate 45g;

[0034] TSP 43g;

[0035] Talc powder 47g;

[0036] Modified glass cellulose powder 30g;

[0037] 75g of styrene-acrylic emulsion;

[0038] Isopropanol 2.5g;

[0039] Polyacrylate 5g;

[0040] Ethylene glycol 2g;

[0041] Cellulose 4g;

[0042] 72g of water.

[0043] The preparation of emulsion paint, its step is:

[0044] 1) Disperse water, dispersant, and modified glass fiber powder in ultrasonic waves for 30 minutes, then add titanium dioxide calcium carbonate, double superphosphate, talcum powder and defoamer and stir for 45 minutes;

[0045] 2) Grind the uniformly dispersed pigment paste for 50 minutes;

[0046] 3) Stir the ground slurry, add defoamer and film-forming aid, then add emulsion, mix well, add thickener, finally adjust pH=8.0 with ammonia water, stir and mix.

Embodiment 2

[0048] Titanium dioxide 35g;

[0049] Calcium carbonate 42g;

[0050] TSP 43g;

[0051] Talc powder 45g;

[0052] Modified glass cellulose powder 28g;

[0053] Vinegar-acrylic emulsion 76g;

[0054] Tributyl phosphate 3g;

[0055] Polyphosphate 5g;

[0056] Ethylene glycol 3g;

[0057] Diatomaceous earth 4g;

[0058] 75g of water.

[0059] The preparation of emulsion paint, its step is:

[0060] 1) Disperse water, dispersant, and modified glass fiber powder in ultrasonic for 28 minutes, then add titanium dioxide calcium carbonate, double superphosphate, talcum powder and defoamer and stir for 0 minutes;

[0061] 2) Grind the uniformly dispersed pigment paste for 45 minutes;

[0062] 3) Stir the ground slurry, add defoamer and film-forming aid, then add emulsion, mix well, add thickener, finally adjust pH=8.5 with ammonia water, stir and mix.

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PUM

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Abstract

The invention discloses emulsion paint and a preparation method thereof; the emulsion paint is obtained by adding modified glass cellulose powder through a certain preparation process. According to the emulsion paint disclosed by the invention, the water resistance, the alkali resistance and the rinse resistance of the emulsion paint are improved to different degrees after the surface of the glass cellulose powder is modified by coupling agent, particularly, the rinse resistance of the emulsion paint is 2.5 times of that of the general paint. The glass cellulose powder modified emulsion paint disclosed by the invention has a certain industrial and application values.

Description

technical field [0001] The invention relates to the technical field of construction, in particular to a glass fiber modified latex paint and a preparation method thereof. Background technique [0002] With the continuous development of water-based coatings, people not only have higher and higher requirements for the environmental protection and economy of water-based coatings, but also have stricter requirements for other properties of water-based coatings, such as alkali resistance, water resistance, and scrub resistance. Due to their special nano-effects, nano-materials have greatly improved the performance of water-based coatings in terms of light resistance, alkali resistance, weather resistance, water resistance, and scrub resistance. However, due to the surface effect caused by the special surface structure of nanoparticles, they are easy to agglomerate through adsorption, which makes it have a stable dispersion problem in water-based coatings. Moreover, the addition ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D133/04C09D131/04C09D131/00C09D5/02C09D7/12
Inventor 邓志东
Owner 张家港市新东玻棉制品厂
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