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Dry spray paint and its preparation method and application

A dry spraying and painting technology, applied in the coating and other directions, can solve the problems of the overall effect of the wall, the color film cannot stick, and the opening time is short, so as to achieve various decoration styles and colors, long opening time and strong opening time. The effect of sticking ability

Active Publication Date: 2022-04-01
广东嘉宝莉科技材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the common intermediate coating film on the market has short opening time, poor leveling performance, and fast surface drying, which makes the color film not stick to it, and large-scale construction is prone to blooming and uneven spraying.
In addition, if spraying small-sized color flakes or colored sand, it is easy to highlight the roll marks of the intermediate coating film, causing the overall effect of the wall to be blurred

Method used

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  • Dry spray paint and its preparation method and application
  • Dry spray paint and its preparation method and application
  • Dry spray paint and its preparation method and application

Examples

Experimental program
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preparation example Construction

[0081] The present invention also provides the preparation method of above-mentioned dry spray paint, technical scheme is as follows:

[0082] A preparation method for dry spray paint, comprising the following steps:

[0083] Pre-mixing: in the first stirring state, mix the cellulose, part of the water and the first part of the additives to prepare a jelly substance;

[0084] Dispersion: under the second stirring state, add the second part of the auxiliary agent to the jelly substance for 15-20 minutes to prepare mixture A;

[0085] In the third stirring state, add the remaining amount of water to the mixture A, the third part of the auxiliary agent, the emulsion, and prepare the mixture B;

[0086] In the fourth stirring state, add the remaining part of the auxiliary agent and leveling agent into the mixture B.

[0087] In one of the embodiments, the speed of the first stirring is controlled at 300rpm / min-500rpm / min; and / or,

[0088] The speed of the second stirring is con...

Embodiment 1

[0105] This embodiment provides a dry-spray intermediate coating and a preparation method thereof.

[0106] (1) Composition of paint 1 in dry spraying:

[0107] 39.5 parts of water, 0.5 parts of dispersant, 0.2 parts of wetting agent, 0.6 parts of defoamer, 1.9 parts of cellulose, 15 parts of titanium dioxide, 6 parts of kaolin, 6 parts of heavy calcium, 0.1 part of pH regulator, 0.3 parts of fungicide , 26 parts of emulsion, 1.7 parts of film-forming aid, 0.8 part of antifreeze, and 1.4 parts of leveling agent.

[0108] Wherein, cellulose is 250HBR of Ashland Company; The composition of leveling agent is RHEOBYK-T 1010 of BYK Company and the polyurethane leveling agent that Ashland Company produces model as NHS300, and the ratio of the two is 2:3, emulsion For LV-380VF.

[0109] (2) Preparation of dry spray primer 1:

[0110] Pre-mixing: According to the proportion, add 39 parts of water into the dispersion tank, add 0.5 parts of dispersant, 0.1 part of wetting agent, 0.3 ...

Embodiment 2

[0115] This embodiment provides a dry-spray intermediate coating and a preparation method thereof.

[0116] (1) Composition of paint 2 in dry spraying:

[0117] 48.9 parts of water, 0.6 parts of dispersant, 0.2 parts of wetting agent, 0.4 parts of defoamer, 2.4 parts of cellulose, 12 parts of titanium dioxide, 7 parts of kaolin, 5 parts of heavy calcium, 0.1 part of pH regulator, and 0.6 parts of fungicide , 20 parts of emulsion, 1 part of film-forming aid, 1 part of antifreeze, and 1.8 parts of leveling agent.

[0118] Wherein, cellulose is the 250HBR of Ashland Company; The composition of leveling agent is the polyurethane leveling agent that RHEOBYK-T 1010 of BYK Company and Ashland Company's production model are NHS300, and the ratio of the two is 2:3, emulsion For LV-380VF.

[0119] (2) Preparation of dry spray primer 2:

[0120] Pre-mixing: According to the proportion, add 48 parts of water into the dispersion tank, add 0.6 parts of dispersant, 0.2 parts of wetting ag...

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Abstract

The invention relates to a dry-spray mid-coating and its preparation method and application. The formula of the dry spray paint is: 20-50 parts of water, 0.5-5 parts of cellulose, 15-50 parts of emulsion, 0.5-5 parts of leveling agent, 0.1-2 parts of dispersant, 5-22 parts of filler, 0.1-0.8 part of wetting agent, 0.1-1.0 part of defoamer, 8-25 parts of toner, 0.1-0.8 part of pH adjuster, 0.1-1.0 part of bactericide, 0.5-2.8 part of film-forming aid, 0.5 part of antifreeze -2 parts; the molecular weight of the cellulose is 100g / mol-5000g / mol; the leveling agent is compounded by a polyether leveling agent and a polyurethane leveling agent in a molar ratio of 1.5:3-2.5:3. The middle paint has excellent leveling performance, strong water retention, long open time, and it is not easy to cause blooming when spraying colored sand and small colored chips, and the operation is simple.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a dry-spray mid-coating and a preparation method and application thereof. Background technique [0002] Color chip paint is a new type of environmentally friendly texture paint with three-dimensional texture and composite colors. Use special spraying tools to spray the paint on the wall to be constructed. After the paint film is cured, it can create a stylish, romantic and elegant home. environment. Color chip paint has excellent water resistance, weather resistance, adhesion and perfect hiding power. It is suitable for various home environments. The effect is natural and harmonious. The color is soft and rich, moisture-proof and sound-absorbing. The three-dimensional artistic modeling requirements of the wall. [0003] Compared with traditional diatom mud and other water-based paints, color chip paint has the advantages of simple construction, various styles and colors, and strong wall...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D131/04C09D7/47C09D7/65C09D7/61
CPCC09D131/04C09D7/47C09D7/65C09D7/61C08K2003/2241C08L2205/035C08L75/04C08L71/00C08L1/02C08K3/22C08K3/346C08K13/02
Inventor 胡恒志羊惠燕何兆强王翱雷张治州叶贺昌
Owner 广东嘉宝莉科技材料有限公司