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Water-based woodware white primer for full-open white coating and preparation method of water-based woodware white primer

A water-based, fully open technology, applied in the field of coatings, can solve the problems of discontinuous and unnatural wood grain, poor water resistance of paint film, insufficient white space of wood grain, etc., to achieve good anti-oxidation, good water resistance and mildew resistance. , The effect of saving construction technology

Pending Publication Date: 2022-03-08
福建省三棵树新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when ordinary water-based wood white primers are used for the opening process, the opening effect is not good, there is not enough white space in the wood grain, and the holes are not enough. Poor performance, easy to cause coating mildew
There is a big gap between the whole painting effect and the oily process

Method used

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  • Water-based woodware white primer for full-open white coating and preparation method of water-based woodware white primer
  • Water-based woodware white primer for full-open white coating and preparation method of water-based woodware white primer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The present invention provides a technical solution: a permutable aqueous wood, aqueous wood, including a group and a group, including the following mass percent components: hydroxyacry acid emulsion 35%, pH regulator 0.2% 1.1% of the antifoaming agent, 3% film formulation, 1.3% dispersant, 2% of the anti-sediment, 30% titanium powder, 5% talc, thickener 0.2%, wetting agent 2%, sterilizing mildew The agent is 0.3%, the weight calcium is 3%, the aqueous level 1%, the acrylic emulsion is 2%, the resin is 1%, and the remainder is water. .

[0025] The wetting agent is one or two of the polyether modified siloxanes and the acetylene diol; the antibodies are one or two of the modified urea solution and the polyamide wax mix. .

[0026] The thickener is a hydrophobic modified nonionic polyurethane copolymer mixed with any of the above ratios.

[0027] The film forming aid is dipropylene glycol methyl ether, dipropylene glycol butyl ether and alkoxide twelve.

[0028] The curing a...

Embodiment 1

[0040] Example 1 and Comparative Example 1 The physical and chemical performance test results are as follows:

[0041] project Example 1 Contrast 1 hardness F-H 2B-B Adhesion (2mm in planning) Level 0 Level 0 Water resistance (24h) No abnormality, 5 points Mild imprint, 4 points 50% melting alcohol (1H) Very slight imprint 4.5 points Minor imprint 4 points Coffee resistant 1h No abnormality, 5 points Mild imprint, 3 points Hide 5 points 5 points Inlet 5 points 4 points

Embodiment 2

[0045] A permanent open white coating water-based wood-based white primer, including a group and group B, and a moiety comprising the following mass percent component: 38% hydroxyacrylate, 0.2% pH regulator, 1.1% defoaming agent, 3%, dispersant 1.3%, anti-sediment 1-3%, titanium powder 30%, talc powder, 0.2% thickener, 2% of the wetting agent, 0.3% sterilizing agent, heavy calcium 3%, aqueous graft agent 0.5-1.5%, acrylic emulsion 2%, resin 1%, the remainder is water, and the Group B includes the following mass percent components: aqueous isocyanate curing agent 80%, solvent 20%.

[0046] The wetting agent is one or both of the polyether modified siloxanes and the acetylene glycol; the anti-sedent is a modified urea solution and a polyamide wax mixed in any ratio.

[0047]The thickener is a hydrophobic modified nonionic polyurethane copolymer mixed with any of the above ratios.

[0048] The film forming aid is dipropylene glycol methyl ether, dipropylene glycol butyl ether and alk...

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PUM

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Abstract

The invention discloses a water-based woodware white primer for full-open white coating. The component A comprises the following components in percentage by mass: 20-45% of a hydroxyl acrylic emulsion, 0.1-0.3% of a pH regulator, 0.2-2% of a defoaming agent, 1-5% of a coalescing agent, 0.5-2% of a dispersing agent, 1-3% of an anti-settling agent, 25-35% of titanium dioxide, 2-8% of talcum powder, 0.1-0.5% of a thickening agent, 1-5% of a wetting agent, 0.2-0.6% of a bactericidal mildew preventive, 1-4% of heavy calcium carbonate, 0.5-1.5% of a water-based leveling agent, 1-3% of an acrylic emulsion and 0.5-1.5% of resin; the component B comprises the following components in percentage by mass: 0-90% of a water-based isocyanate curing agent and 10-20% of a solvent, an appropriate emulsion proportion is selected, an appropriate anti-settling system is used to obtain a high-solid low-viscosity stable system, and an appropriate wetting system is matched, so that the wetting and pore-entering performance of the whole product is very good.

Description

Technical field [0001] The present invention relates to the field of coatings, specifically a permanent open white coating aqueous wood white primer and a preparation method thereof. Background technique [0002] Water-based wood lacquer is a lacquered lacquer with water as a diluent, and the wood coating is fully open white coating process, which is particularly suitable for natural wood grain, beautiful oak, water, such as water, water, such as water. The coating is typically sprayed on a substrate, and the white primer is sprayed after drying and grinding. Since the effect of natural wood grain is kept, it is popular among the market. The previous nitro coatings and modified polyurethane coatings have a better performance in this process. [0003] With the upgrade of consumption, as well as the in-depth environmental concept, the aqueous wood coating is more useful to this process. However, when using ordinary water-based wood-based paint to do open processes, the open effect ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D5/14C09D7/65C09D7/63
CPCC09D175/04C09D5/14C09D7/65C09D7/63C08L71/00C08L91/06C08K5/053C08K5/46C08K5/06
Inventor 魏建军
Owner 福建省三棵树新材料有限公司
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