Water-based crack art coating and preparation method thereof

An art paint and crack technology, applied in the field of art paint, can solve the problems of large effect of process products, unfavorable large-area construction, and high construction difficulty, and achieve the effects of rich crack effect, easy construction and long service life.

Pending Publication Date: 2022-03-22

三棵树(上海)新材料研究有限公司

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AI-Extracted Technical Summary

Problems solved by technology

[0009] In order to overcome the disadvantages of the existing solvent-based crack paints such as unenvironmental protection, high difficulty in construction, great influence of the process on the product effect, and unfavorable for large-scale construction, the present invention provides a water-based crack art paint and a preparation method thereof, respectively using polyacrylic acid Emulsion and pure acrylic emulsion, combined with pigments and fillers such as wollastonite, white carbon black, hollow covering polyme...

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Abstract

The invention relates to a water-based crack art coating and a preparation method thereof, and the water-based crack art coating comprises a crack primer and a crack finish which are matched for use, the crack primer is mainly prepared from the following components in parts by weight: water, a water-based dispersing agent, a water-based wetting agent, a water-based defoaming agent, white carbon black, talcum powder, mica powder, a silane coupling agent, a polyacrylic acid emulsion, an anti-freezing agent, a coalescing agent, a preservative, water-based color paste and a water-based thickening agent. The defects that an existing solvent type crackle coating is not environmentally friendly, high in construction difficulty and the like are overcome, the polyacrylic acid emulsion and the pure acrylic emulsion are selected respectively, wollastonite, white carbon black, hollow covering polymer microspheres, barium sulfate and other pigments and fillers are combined, the materials are applied to a water-based coating system through optimization of a dispersion system, and the water-based crackle coating is prepared. After the crack primer and the crack finish are matched for use, the crack primer and the crack finish have rich crack effects and have the advantages of being environmentally friendly, easy to construct, good in water resistance and chemical stability and long in service life.

Application Domain

Priming paints

Technology Topic

Coating systemEmulsion +15

Image

Examples

Experimental program(4)
Effect test(1)

Example Embodiment

[0064] Example 1

[0065] A water-based crack art paint of the present invention includes a crack primer and a crack topcoat that are used in combination, wherein the crack primer is mainly prepared from the following components in the following proportions by weight:

[0066] 7 parts water

[0067] 0.5 part of water-based dispersant

[0068] Aqueous wetting agent 0.5 part

[0069] 1.0 part of water-based defoamer

[0070] 1 part of white carbon black

[0071] 2 parts talcum powder

[0072] 5 servings of mica powder

[0073] 1 part of silane coupling agent

[0074] 70 parts of polyacrylic emulsion

[0075] 2 parts antifreeze

[0076] 5 parts of film-forming aids

[0077] 1 part preservative

[0078] 2 parts water-based color paste

[0079] 2 parts of water-based thickener;

[0080] The crack topcoat is mainly prepared from the following components in the following proportions by weight:

[0081] 9 parts water

[0082] 0.2 part of pH adjuster

[0083] 0.3 part of water-based dispersant

[0084] Aqueous wetting agent 0.5 part

[0085] 1.0 part of water-based defoamer

[0086] 1 part wollastonite

[0087] 4 parts barium sulfate

[0088] 1 part of hollow covering polymer microspheres

[0089] 70 parts of pure acrylic emulsion

[0090] 1 part antifreeze

[0091] 3 parts film-forming aids

[0092] 2 preservatives

[0093] 5 parts of water-based color paste

[0094] 2 parts of water-based thickener.

[0095] When the water-based crack art paint is used in combination, the crack primer is first painted, and then the crack top paint is painted.

[0096] The preparation method of the water-based crack art paint mainly comprises the following steps in sequence:

[0097] (1) Preparation of crack primer

[0098] (1) Start the disperser, adjust the rotation speed to 600rpm, add water, aqueous dispersant, aqueous wetting agent, preservatives accounting for 50% of the total weight of the preservative itself, and the total weight of the water-based defoamer to the dispersing machine Aqueous defoamer with a percentage of 50%, stirring for 10min;

[0099] (2) Add silica, talc, mica powder and silane coupling agent to the dispersing machine, adjust the rotating speed to 2000rpm, and disperse for 30min;

[0100] (3) adjust the rotating speed to 800rpm, add the polyacrylic acid emulsion to the disperser, and disperse for 20min;

[0101] (4) Adjust the rotation speed to 600rpm, add antifreeze, film-forming aid, remaining preservative, remaining water-based defoamer and water-based color paste to the dispersing machine, and disperse for 15min;

[0102] (5) the rotating speed is adjusted to 500rpm, the water-based thickener is added to the disperser, and the stirring is continued for 10min to obtain the crack primer;

[0103] (2) Preparation of cracked topcoat

[0104] (1) Start the disperser, adjust the rotation speed to 700rpm, add water, pH adjuster, aqueous dispersant, aqueous wetting agent, preservatives accounting for 50% of the total weight of the preservative itself, and water-based defoaming agents to the dispersing machine Aqueous defoamer containing 50% of the total weight of the agent itself, stirring for 15min;

[0105] (2) adding wollastonite, barium sulfate and hollow covering polymer microspheres to the dispersing machine, adjusting the rotating speed to 2000rpm, and dispersing for 30min;

[0106] (3) adjust the rotating speed to 700rpm, add pure acrylic emulsion to the disperser, and disperse for 20min;

[0107] (4) Adjust the rotating speed to 650rpm, add antifreeze, film-forming aid, remaining preservative, remaining defoamer and water-based color paste to the disperser, and disperse for 20min;

[0108] (5) Adjust the rotational speed to 500rpm, add the water-based thickener to the disperser, and continue stirring for 10min to obtain the cracked topcoat.

[0109] When used in combination, apply the crack primer first, then the crack topcoat.

Example Embodiment

[0110] Example 2

[0111] A water-based crack art paint of the present invention includes a crack primer and a crack topcoat that are used in combination, wherein the crack primer is mainly prepared from the following components in the following proportions by weight:

[0112] 10 parts water

[0113] 0.5 part of water-based dispersant

[0114] Aqueous wetting agent 0.5 part

[0115] 1.0 part of water-based defoamer

[0116] 2 parts of white carbon black

[0117] 3 parts talcum powder

[0118] 3 servings of mica powder

[0119] 2 parts of silane coupling agent

[0120] 65 parts of polyacrylic emulsion

[0121] 2 parts antifreeze

[0122] Coalescent agent 2 parts

[0123] 2 preservatives

[0124] 5 parts of water-based color paste

[0125] 2 parts of water-based thickener;

[0126] The crack topcoat is mainly prepared from the following components in the following proportions by weight:

[0127] 8 parts water

[0128] 0.5 part of pH adjuster

[0129] 0.5 part of water-based dispersant

[0130] Aqueous wetting agent 0.5 part

[0131] 1.0 part of water-based defoamer

[0132] 2 parts wollastonite

[0133] 1 part barium sulfate

[0134] 2 parts of hollow covering polymer microspheres

[0135] 75 parts of pure acrylic emulsion

[0136] 1 part antifreeze

[0137] Coalescent agent 2 parts

[0138] 1.5 servings of preservatives

[0139] 2 parts water-based color paste

[0140] 3 parts of water-based thickener.

[0141] When the water-based crack art paint is used in combination, the crack primer is first painted, and then the crack top paint is painted.

[0142] The preparation method of the water-based crack art paint mainly comprises the following steps in sequence:

[0143] (1) Preparation of crack primer

[0144] (1) Start the disperser, adjust the rotation speed to 600rpm, add water, aqueous dispersant, aqueous wetting agent, preservatives accounting for 50% of the total weight of the preservative itself, and the total weight of the water-based defoamer to the dispersing machine Aqueous defoamer with a percentage of 50%, stirring for 10min;

[0145] (2) Add silica, talc, mica powder and silane coupling agent to the dispersing machine, adjust the rotating speed to 2000rpm, and disperse for 30min;

[0146] (3) adjust the rotating speed to 800rpm, add the polyacrylic acid emulsion to the disperser, and disperse for 15min;

[0147](4) Adjust the rotating speed to 700rpm, add antifreeze, film-forming aid, remaining preservative, remaining water-based defoamer and water-based color paste to the dispersing machine, and disperse for 15min;

[0148] (5) the rotating speed is adjusted to 500rpm, the water-based thickener is added to the disperser, and the stirring is continued for 15min to obtain the crack primer;

[0149] (2) Preparation of cracked topcoat

[0150] (1) Start the disperser, adjust the rotational speed to 700rpm, add water, pH adjuster, aqueous dispersant, aqueous wetting agent, preservatives accounting for 66% of the total weight of the preservative itself, and water-based defoaming agents to the dispersing machine Aqueous defoamer with a total weight percentage of 50% of the agent itself, stirring for 10min;

[0151] (2) adding wollastonite, barium sulfate and hollow covering polymer microspheres to the dispersing machine, adjusting the rotating speed to 1500rpm, and dispersing for 25min;

[0152] (3) adjust the rotating speed to 800rpm, add pure acrylic emulsion to the disperser, and disperse for 20min;

[0153] (4) Adjust the rotating speed to 700rpm, add antifreeze, film-forming aid, remaining preservative, remaining defoamer and water-based color paste to the disperser, and disperse for 15min;

[0154] (5) Adjust the rotational speed to 500rpm, add water-based thickener to the disperser, and continue stirring for 15min to obtain the cracked finish.

[0155] When used in combination, apply the crack primer first, then the crack topcoat.

Example Embodiment

[0156] Example 3

[0157] A water-based crack art paint of the present invention includes a crack primer and a crack topcoat that are used in combination, wherein the crack primer is mainly prepared from the following components in the following proportions by weight:

[0158] 6 parts water

[0159] 1.0 part of water-based dispersant

[0160] Aqueous wetting agent 1.0 part

[0161] 1.0 part of water-based defoamer

[0162] 3 parts of white carbon black

[0163] 2 parts talcum powder

[0164] 2 servings of mica powder

[0165] 2 parts of silane coupling agent

[0166] 65 parts of polyacrylic emulsion

[0167] 4 parts antifreeze

[0168] Coalescent agent 2 parts

[0169] 2 preservatives

[0170] 5 parts of water-based color paste

[0171] 4 parts of water-based thickener;

[0172] The crack topcoat is mainly prepared from the following components in the following proportions by weight:

[0173] 13 parts water

[0174] 0.5 part of pH adjuster

[0175] 1.0 part of water-based dispersant

[0176] Aqueous wetting agent 1.0 part

[0177] 0.5 part of water-based defoamer

[0178] 2 parts wollastonite

[0179] 2 parts barium sulfate

[0180] 3 parts of hollow covering polymer microspheres

[0181] 65 parts of pure acrylic emulsion

[0182] 4 parts antifreeze

[0183] 1 part film-forming aid

[0184] 1 part preservative

[0185] 3 parts of water-based color paste

[0186] 3 parts of water-based thickener.

[0187] When the water-based crack art paint is used in combination, the crack primer is first painted, and then the crack top paint is painted.

[0188] The preparation method of the water-based crack art paint mainly comprises the following steps in sequence:

[0189] (1) Preparation of crack primer

[0190] (1) Start the disperser, adjust the rotation speed to 600rpm, add water, aqueous dispersant, aqueous wetting agent, preservatives accounting for 50% of the total weight of the preservatives and the total weight of the water-based defoamer to the dispersing machine Aqueous defoamer with a percentage of 50%, stirring for 15min;

[0191] (2) Add white carbon black, talc powder, mica powder and silane coupling agent to the dispersing machine, adjust the rotating speed to 2000rpm, and disperse for 25min;

[0192] (3) adjust the rotating speed to 700rpm, add the polyacrylic acid emulsion to the disperser, and disperse for 20min;

[0193] (4) Adjust the rotation speed to 600rpm, add antifreeze, film-forming aid, remaining preservative, remaining water-based defoamer and water-based color paste to the dispersing machine, and disperse for 20min;

[0194] (5) the rotating speed is adjusted to 600rpm, the water-based thickener is added to the disperser, and the stirring is continued for 15min to obtain the crack primer;

[0195] (2) Preparation of cracked topcoat

[0196] (1) Start the disperser, adjust the rotation speed to 650rpm, add water, pH adjuster, aqueous dispersant, aqueous wetting agent, preservatives accounting for 50% of the total weight of the preservative itself, and water-based defoaming agents to the dispersing machine Aqueous defoamer containing 60% of the total weight of the agent itself, stirring for 15min;

[0197] (2) adding wollastonite, barium sulfate and hollow covering polymer microspheres to the dispersing machine, adjusting the rotating speed to 1500rpm, and dispersing for 30min;

[0198] (3) adjust the rotating speed to 800rpm, add pure acrylic emulsion to the disperser, and disperse for 15min;

[0199] (4) Adjust the rotational speed to 700rpm, add antifreeze, film-forming aid, remaining preservative, remaining defoamer and water-based color paste to the disperser, and disperse for 20min;

[0200] (5) The rotating speed is adjusted to 600rpm, the water-based thickener is added to the disperser, and the stirring is continued for 10min to obtain the cracked topcoat.

[0201] When used in combination, apply the crack primer first, then the crack topcoat.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine

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Description & Claims & Application Information

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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine

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Classification and recommendation of technical efficacy words

Low VOC

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Easy construction Extended service life Easy steps Easy to operate Simple construction process Improve stability Carbon black Wollastonite Microsphere Chemical stability Polyacrylic acid Silane coupling

Water-based crack art coating and preparation method thereof

An art paint and crack technology, applied in the field of art paint, can solve the problems of large effect of process products, unfavorable large-area construction, and high construction difficulty, and achieve the effects of rich crack effect, easy construction and long service life.

AI-Extracted Technical Summary

Problems solved by technology

Abstract

Image

Examples

Example Embodiment

Example Embodiment

Example Embodiment

PUM

Description & Claims & Application Information

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