阅读说明：本技术 一种贝壳粉抗醛光变艺术涂料及其制备方法 (Shell powder aldehyde-resistant optically variable artistic coating and preparation method thereof ) 是由 游斌 徐昌平 薛小红 于 2019-09-11 设计创作，主要内容包括：本发明涉及涂料技术领域,具体公开一种贝壳粉抗醛光变艺术涂料及其制备方法。所述贝壳粉抗醛光变艺术涂料,按重量份数计,包括以下组分：乳液：50-300份,消泡剂：1-6份,分散剂：2-8份,润湿剂：1-5份,PH值调节剂：0.1-3份,防腐剂：1-4份,杀菌剂：1-8份,颜料：80-250份,填料：200-350份,贝壳粉：10-100份,稳定剂：1-10份,抗甲醛助剂：1-8份,冻融稳定剂：1-8份,纤维素增稠剂：1-10份,乳液型增稠剂：2-8份,水：50-500份,光变金葱粉：1-20份。本发明提供的贝壳粉抗醛光变艺术涂料,具有自然光一个颜色,遇灯/阳光变颜色的功能,同时还具有吸附分解甲醛、有效清除空气中有害气体、调节室内空气湿度、防霉性和抗菌性等各方面性能。(The invention relates to the technical field of coatings, and particularly discloses a shell powder aldehyde-resistant optically variable artistic coating and a preparation method thereof. The shell powder aldehyde-resistant photochromic artistic coating comprises the following components in parts by weight: emulsion: 50-300 parts of defoaming agent: 1-6 parts of dispersant: 2-8 parts of wetting agent: 1-5 parts of a pH value regulator: 0.1-3 parts of preservative: 1-4 parts of a bactericide: 1-8 parts of pigment: 80-250 parts of filler: 200-350 parts of shell powder: 10-100 parts of stabilizer: 1-10 parts of formaldehyde-resistant auxiliary agent: 1-8 parts of a freeze-thaw stabilizer: 1-8 parts of cellulose thickener: 1-10 parts of an emulsion type thickener: 2-8 parts of water: 50-500 parts of optically variable glitter powder: 1-20 parts. The shell powder aldehyde-resistant photochromic art coating provided by the invention has the functions of changing color when meeting light/sunlight, absorbing and decomposing formaldehyde, effectively removing harmful gas in air, adjusting indoor air humidity, and having mildew resistance and antibacterial property.)

1. The shell powder aldehyde-resistant photochromic artistic coating is characterized by comprising the following components in parts by weight: emulsion: 50-300 parts of defoaming agent: 1-6 parts of dispersant: 2-8 parts of wetting agent: 1-5 parts of a pH value regulator: 0.1-3 parts of preservative: 1-4 parts of a bactericide: 1-8 parts of pigment: 80-250 parts of filler: 200-350 parts of shell powder: 10-100 parts of stabilizer: 1-10 parts of formaldehyde-resistant auxiliary agent: 1-8 parts of a freeze-thaw stabilizer: 1-8 parts of cellulose thickener: 1-10 parts of an emulsion type thickener: 2-8 parts of water: 50-500 parts of optically variable glitter powder: 1-20 parts.

2. The shell powder aldehyde-resistant phototropic artistic paint of claim 1, wherein the emulsion is a clear flavor styrene-acrylic emulsion or a VAE emulsion.

3. The shell powder aldehyde-resistant phototropic artistic paint of claim 1, wherein the antifoaming agent is a hydrophobic mineral oil type antifoaming agent free of VOC.

4. The shell powder aldehyde-resistant photochromic art paint as claimed in claim 1, wherein the dispersant is at least one of sodium polyacrylate or sodium polycarboxylate; the wetting agent is isomeric alcohol polyoxyethylene ether; the pH value regulator is 2-amino-2-methyl-1-propanol; the bactericide is a mixture of low-toxicity octyl isothiazolinone, methylbenzimidazole-2-carbamate and urea derivatives.

5. The shell powder aldehyde-resistant phototropic artistic paint of claim 1, wherein the pigment is rutile type titanium dioxide; the filler is at least one of calcined kaolin, water-washed kaolin and heavy calcium carbonate; the shell powder is 1250-mesh calcined shell powder; the stabilizer is aluminum-containing sulfate.

6. The shell powder aldehyde-resistant phototropic artistic coating of claim 1, wherein the formaldehyde-resistant auxiliary agent is common Coadd^TMFA-7; the freeze-thaw stabilizer is Rodiya FT-100; the cellulose thickener is hydroxyethyl cellulose ether; the emulsion type thickener is an anionic hydrophobic modified alkali-soluble emulsion type thickener.

7. The shell powder aldehyde-resistant photochromic art paint as claimed in claim 1, wherein the photochromic glitter powder is at least one of glitters which turn yellow to green or red or purple or dark purple, pink to purple, green to gray or dark red, is in a quadrangle shape, a diamond shape and a circle shape, and has a particle size of 0.05-0.4 mm.

Technical Field

The invention relates to the technical field of coatings, and in particular relates to a shell powder aldehyde-resistant photochromic artistic coating and a preparation method thereof.

Background

With the economic development of society and the improvement of living standard of people, the decoration requirement of people on decoration materials and the importance of indoor environment are higher and higher, and the inner wall latex paint with single color can not meet the requirement. The glitter powder is also called glitter sheet and glitter powder, has extremely high brightness, rich shapes and colors, and can be used in emulsion paint to improve the decoration of indoor decoration materials. Meanwhile, the interior wall latex paint has important influence on the indoor air quality, poor interior wall latex paint can release formaldehyde and other Volatile Organic Compounds (VOC) and can generate great threat to human health, and good latex paint can adsorb and decompose formaldehyde and effectively remove harmful gas in the air so as to purify the indoor air environment. The shell powder is from shells, has a porous fibrous double-spiral structure, and can adsorb and decompose formaldehyde, remove other harmful gases and adjust air humidity. The shell is often regarded as waste by people, and the utilization of the shell powder changes the shell resource into valuable.

Disclosure of Invention

The invention aims to: aiming at the problems of single color, weak decoration and the like of the existing emulsion paint, the invention provides the shell powder aldehyde-resistant photochromic art paint which can greatly improve the decoration of interior decoration materials. Meanwhile, the harm of formaldehyde, benzene, TVOC, ammonia gas and other harmful gases in the air to human bodies can be reduced, and the indoor air humidity can be adjusted.

The invention also provides a preparation method of the shell powder anti-aldehyde light-variation artistic coating.

In order to achieve the purpose, the invention provides a shell powder aldehyde-resistant photochromic artistic coating which is characterized by comprising the following components in parts by weight: emulsion: 50-300 parts of defoaming agent: 1-6 parts of dispersant: 2-8 parts of wetting agent: 1-5 parts of a pH value regulator: 0.1-3 parts of preservative: 1-4 parts of a bactericide: 1-8 parts of pigment: 80-250 parts of filler: 200-350 parts of shell powder: 10-100 parts of stabilizer: 1-10 parts of formaldehyde-resistant auxiliary agent: 1-8 parts of a freeze-thaw stabilizer: 1-8 parts of cellulose thickener: 1-10 parts of an emulsion type thickener: 2-8 parts of water: 50-500 parts of optically variable glitter powder: 1-20 parts.

Preferably, the shell powder aldehyde-resistant photochromic artistic coating comprises the following components in parts by weight: emulsion: 120-250 parts of defoaming agent: 2-5 parts of a dispersant: 4-6 parts of wetting agent: 1-3 parts of a pH value regulator: 0.5-2 parts of preservative: 1-3 parts of a bactericide: 2-6 parts of pigment: 100-200 parts of filler: 250 and 330 parts of shell powder: 20-80 parts of stabilizer: 2-8 parts of formaldehyde-resistant auxiliary agent: 2-6 parts of a freeze-thaw stabilizer: 2-6 parts of cellulose thickener: 3-8 parts of an emulsion type thickener: 2-5 parts of water: 50-500 parts of optically variable glitter powder: 2-16 parts.

Preferably, the shell powder aldehyde-resistant photochromic artistic coating comprises the following components in parts by weight: emulsion: 160 parts, a defoaming agent: 5 parts, dispersant: 5 parts, wetting agent: 1 part, pH value regulator: 1 part, preservative: 1.5 parts, bactericide: 5 parts, pigment: 180 parts, filler: 270 parts, shell powder: 25 parts, stabilizer: 5 parts, formaldehyde-resistant auxiliary agent: 4 parts, freeze-thaw stabilizer: 5 parts, cellulose thickener: 4.5 parts, emulsion type thickener: 3 parts of water: 310 parts of optically variable glitter powder: 15 parts.

Preferably, the emulsion is an odorless styrene-acrylic emulsion or a VAE emulsion. The emulsion is selected, does not need to be added with a film-forming assistant, does not contain an ethoxylated alkylphenol emulsifier, does not contain ammonia water, is odorless and can be put into existence in a shorter time.

Preferably, the defoamer is a VOC-free hydrophobic mineral oil defoamer.

Preferably, the dispersant is at least one of sodium polyacrylate or sodium polycarboxylate.

Preferably, the wetting agent is an isomeric alcohol polyoxyethylene ether.

Preferably, the pH regulator is 2-amino-2-methyl-1-propanol.

Preferably, the bactericide is a mixture of octyl isothiazolinone, methylbenzimidazole-2-carbamate and urea derivative with low toxicity.

Preferably, the pigment is rutile type titanium dioxide.

Preferably, the filler is at least one of calcined kaolin, water washed kaolin and ground calcium carbonate.

Preferably, the shell powder is 1250-mesh calcined shell powder.

Preferably, the stabilizer is an aluminum-containing sulfate.

Preferably, the formaldehyde-resistant auxiliary agent is common Coadd^TM FA-7。

Preferably, the freeze-thaw stabilizer is Rodiya FT-100.

Preferably, the cellulosic thickener is hydroxyethyl cellulose ether.

Preferably, the emulsion-type thickener is an anionic hydrophobically modified alkali soluble emulsion-type thickener.

Preferably, the optically variable glitter powder is at least one of yellow-to-green or red or purple or dark purple, pink-to-purple, green-to-gray or dark red glitters, is in the shape of a quadrangle, a rhombus or a circle, and has a particle size of 0.05-0.4 mm.

The invention also provides a preparation method of the shell powder anti-aldehyde light-variation art coating, which is characterized by comprising the following steps:

step a: weighing the following components in parts by weight: emulsion: 50-300 parts of defoaming agent: 1-6 parts of dispersant: 2-8 parts of wetting agent: 1-5 parts of a pH value regulator: 0.1-3 parts of preservative: 1-4 parts of a bactericide: 1-8 parts of pigment: 80-250 parts of filler: 200-350 parts of shell powder: 10-100 parts of stabilizer: 1-10 parts of formaldehyde-resistant auxiliary agent: 1-8 parts of a freeze-thaw stabilizer: 1-8 parts of cellulose thickener: 1-10 parts of an emulsion type thickener: 2-8 parts of water: 50-500 parts of optically variable glitter powder: 1-20 parts;

step b: at the rotation speed of 400-600rpm, sequentially adding water, a cellulose thickener, a pH regulator, a dispersant, a wetting agent and a defoaming agent, and dispersing until the mixture is uniformly mixed to obtain a first mixture;

step c: sequentially adding water and a stabilizer at the rotation speed of 400-600rpm, slowly adding shell powder after uniform dispersion, and dispersing until uniform mixing to obtain a second mixture;

step d: adding the first mixture into the second mixture at the rotation speed of 400-600rpm, slowly adding the pigment and the filler at the rotation speed of 800-1000rpm, and dispersing to the fineness of less than or equal to 50 microns at the rotation speed of 1200-1500rpm to obtain a third mixture;

step e: and sequentially adding an anti-formaldehyde auxiliary agent, an emulsion, a defoaming agent, a freeze-thaw stabilizer, a preservative, a bactericide, an emulsion type thickener and optically variable glitter powder into the third mixture at the rotation speed of 400-600rpm, and uniformly mixing to obtain the shell powder anti-formaldehyde optically variable artistic paint.

The invention also provides a construction method of the shell powder anti-aldehyde light-variation artistic coating, which is suitable for brush coating and roller coating, and the viscosity can be adjusted by adding a proper amount of water according to specific conditions during construction.

Compared with the prior art, the invention has the following advantages:

1. the invention takes optically variable glitter powder as an additive, and after being irradiated by a lamp/sunlight, the optically variable glitter powder can absorb energy therein to generate the change of a molecular structure, so that the change of absorption wavelength is caused to generate color change; when the lamp/sunlight irradiation is lost, the original molecular structure is restored, and the original color is restored. The paint has the function of changing color when meeting light/sunlight, and the decoration of the paint is greatly improved.

2. The manufacturing process is simple, and only a specified amount of optically variable glitter powder is added in the last step before the coating is prepared and uniformly dispersed.

3. The construction method is simple, and a proper amount of water can be added to adjust the viscosity according to specific conditions during construction, and the coating can be performed by brushing or roller coating.

4. The invention takes the odorless styrene-acrylic emulsion or the VAE emulsion as the film forming substance, does not need to add a film forming auxiliary agent, and is odorless and environment-friendly.

5. According to the invention, a proper amount of shell powder is added to replace part of the filler, and the shell powder is in a porous fibrous double-spiral structure, so that formaldehyde can be adsorbed and decomposed, other harmful gases can be eliminated, air humidity can be adjusted, and peculiar smell can be eliminated.

6. The shell powder contains a small amount of calcium oxide and calcium hydroxide, can react with carbon dioxide in the air to generate calcium carbonate, and forms an intricate and complex compact net rack waterproof layer together with a film forming substance, so that the coating is more compact and hard, and the scrubbing resistance and hardness of the coating are improved.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.