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Single-component water-based woodware seal primer and preparation method thereof

A sealing primer, one-component technology, applied in the field of coatings, can solve the problems of destroying the smoothness of the wood surface, destroying the water balance of the wood, swelling of the conduit and wood thorns, etc., to improve the anti-bleeding effect, enhance the bonding performance, prevent muscle-strengthening effect

Inactive Publication Date: 2021-07-23
东莞大宝化工制品有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In addition, the problem of tendon expansion of solid wood is also a problem in the application of water-based wood coatings. The reason for the expansion of tendons is that the wood contains moisture. When coating water-based wood coatings, the unvolatile moisture of the coating film will penetrate from the surface of the wood. Thus destroying the original moisture balance of the wood, causing the ducts and wood thorns on the wood surface to bulge, destroying the smoothness of the wood surface, and causing tendon swelling

Method used

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  • Single-component water-based woodware seal primer and preparation method thereof
  • Single-component water-based woodware seal primer and preparation method thereof
  • Single-component water-based woodware seal primer and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0035] A one-component water-based wood sealing primer, comprising the following raw materials in parts by weight:

[0036]

[0037] In this embodiment, the water-based acrylic resin is an aqueous solution of acrylic resin, and its solid content is 40%;

[0038] The water-based polyurethane acrylic acid dispersion is a water-based aliphatic polyurethane acrylic acid copolymer dispersion with a solid content of 48%.

[0039] In this embodiment, the color sealing agent is at least one of zirconium acetate, zinc sulfate aqueous solution, and ammonium-based stable zirconium salt.

[0040] In the present embodiment, the preparation method of the anti-bleeding auxiliary agent is:

[0041] (1) Cobalt oxide nanoparticles and dehydrated alcohol are formulated into a suspension with a solid content of 26%, then add water equal to the weight of the suspension, and after stirring, add a mass concentration equivalent to 23% of its weight and be 31% Ammonia and tetraethyl silicate equi...

Embodiment 2

[0053] A one-component water-based wood sealing primer, comprising the following raw materials in parts by weight:

[0054]

[0055] In this embodiment, the water-based acrylic resin is an aqueous solution of acrylic resin, and its solid content is 35%;

[0056] The water-based polyurethane acrylic acid dispersion is a water-based aliphatic polyurethane acrylic acid copolymer dispersion with a solid content of 46%.

[0057] In this embodiment, the color sealing agent is at least one of zirconium acetate, zinc sulfate aqueous solution, and ammonium-based stable zirconium salt.

[0058] In the present embodiment, the preparation method of the anti-bleeding auxiliary agent is:

[0059] (1) Cobalt oxide nanoparticles and dehydrated alcohol are mixed into a suspension with a solid content of 25%, then add water equal to the weight of the suspension, stir and add a mass concentration equivalent to 20% of its weight and be 30% Ammonia and tetraethyl silicate equivalent to 12% by...

Embodiment 3

[0071] A one-component water-based wood sealing primer, comprising the following raw materials in parts by weight:

[0072]

[0073]

[0074] In this embodiment, the water-based acrylic resin is an aqueous solution of acrylic resin, and its solid content is 45%;

[0075] The water-based polyurethane acrylic acid dispersion is a water-based aliphatic polyurethane acrylic acid copolymer dispersion with a solid content of 50%.

[0076] In this embodiment, the color sealing agent is at least one of zirconium acetate, zinc sulfate aqueous solution, and ammonium-based stable zirconium salt.

[0077] In the present embodiment, the preparation method of the anti-bleeding auxiliary agent is:

[0078] (1) Cobalt oxide nanoparticles and dehydrated alcohol are formulated into a suspension with a solid content of 27%, then add water equal to the weight of the suspension, and after stirring, add a mass concentration equivalent to 25% of its weight and be 33% Ammonia and tetraethyl s...

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Abstract

The invention relates to the technical field of coatings, in particular to a single-component water-based woodware seal primer and a preparation method thereof. The seal primer is prepared from 70 to 80 parts of water-based acrylic resin, 60 to 70 parts of water-based polyurethane acrylic dispersion, 8 to 10 parts of graphene oxide, 7 to 10 parts of a color sealing agent, 6 to 8 parts of an anti-bleeding auxiliary agent, 0.1 to 0.5 part of a wetting agent, 2 to 3 parts of an anti-corrosion auxiliary agent, 0.5 to 1 part of a thickening agent, 0.1 to 0.5 part of a defoaming agent, 1 to 3 parts of a polishing agent, 3 to 5 parts of a coalescing agent and the balance of water. The seal primer can effectively solve the problems of color bleeding and rib expansion of wood, and has the characteristics of good polishing property, good drying property, water resistance and excellent chemical resistance.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a one-component water-based wood sealing primer and a preparation method thereof. Background technique [0002] In recent years, with the country's strict control of environmental protection and the improvement of people's awareness of environmental protection, water-based wood coatings have always attracted the attention of coating manufacturers and people due to their environmental protection advantages, but there are also many problems in the application process, such as in When rubberwood and red oak furniture are painted with conventional water-based wood coatings, there will be bleeding problems, especially for white paints. The main reason for bleeding is: water-based wood coatings are a special dispersion with water as the dispersion medium. When painted on the surface of wood with hydrophilic properties, water can easily penetrate into the wood and combine with the sing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D175/14C09D7/61C09D7/62C09D7/63
CPCC09D133/00C09D7/61C09D7/62C09D7/63C09D7/67C08K2201/011C08K2003/2289C08K2003/3045C08L75/14C08K3/042C08K9/06C08K9/10C08K3/22C08K5/098C08K3/30
Inventor 段朝阳
Owner 东莞大宝化工制品有限公司
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