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Outdoor waterborne woodenware penetration paint and preparation method thereof

A water-based wood paint and outdoor technology, applied in the direction of coating, polyurea/polyurethane coating, etc., can solve the problems of not being able to effectively prevent wood cracking and deformation, achieve wide application range, good weather resistance, and reduce shear damage Effect

Inactive Publication Date: 2018-04-20
SHENYANG RES INST OF CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, none of the existing formulations can effectively prevent wood from cracking and deforming.

Method used

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  • Outdoor waterborne woodenware penetration paint and preparation method thereof
  • Outdoor waterborne woodenware penetration paint and preparation method thereof
  • Outdoor waterborne woodenware penetration paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A penetrating outdoor water-based wood paint, configured according to the following formula in parts by weight:

[0037]

[0038] In the above example:

[0039] The low particle size acrylic emulsion in the formula is a low particle size pure acrylic emulsion with a particle size of <60nm. The emulsion is a core-shell type self-crosslinking acrylic emulsion, preferably DSM's AQ-2538.

[0040] The above-mentioned products are all commercially available products.

[0041] The above-mentioned permeable outdoor wood paint preparation steps are as follows:

[0042] (1) Start the disperser and adjust the speed to 400-500 rpm. At this speed, first add 72 parts of water-based emulsion with low particle size pure acrylic emulsion, add 4 parts of film-forming aid to 5-10 parts of water, and then Slowly add to the above aqueous emulsion and stir for 10-20min;

[0043](2) Then add 0.3 parts of water-based leveling agent, 0.1 part of defoamer, 0.3 part of substrate wetting age...

Embodiment 2

[0047] The low particle size pure acrylic emulsion with a particle size < 60nm in the formula of Example 1 was replaced with a low particle size styrene-acrylic emulsion with a particle size < 60nm, a styrene-acrylic emulsion with a core-shell structure. The content of the remaining substances is the same as formula 1, and the production steps are also the same as formula 1.

[0048] The low particle size styrene-acrylic emulsion in the above formula is preferably Meijinsi Chemical 1092.

Embodiment 3

[0050] The low particle size pure acrylic emulsion in the formula of Example 1 was replaced with the low particle size aliphatic polyurethane emulsion with particle size<60nm. The content of the remaining substances is the same as formula 1, and the production steps are also the same as formula 1.

[0051] The low particle size aliphatic polyurethane emulsion in the above formulation is preferably Lubrizol's 2026C.

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Abstract

The invention belongs to the field of coatings for architectural ornament, and particularly relates to an outdoor waterborne woodenware penetration paint and a preparation method thereof. The penetration paint is prepared from the following components by weight: 10 to 15 parts of water, 65 to 80 parts of waterborne emulsion, 2 to 5 parts of coalescing agent, 2 to 25 parts of coloring agent and 4.5to 9 parts of other aids. The outdoor waterborne woodenware penetration paint prepared by the method has good base material closing property, excellent weather fastness and water resistance on the basis of a traditional woodenware paint; in addition, the cracking of a substrate can be reduced and the substrate can be protected from being corroded to a certain extent.

Description

technical field [0001] The invention belongs to the field of coatings for architectural decoration, in particular to an outdoor water-based wood penetrating paint and a preparation method thereof. Background technique [0002] In recent years, the field of outdoor wood paint is receiving more and more attention. On the one hand, with the improvement of people's living standards, people's requirements for the beauty of landscape wood are getting higher and higher. In addition to the needs of decorative design, outdoor wood coatings also need to meet the good aging resistance, water resistance, air permeability and anti-corrosion of the paint film. Wait for the request. Generally speaking, wood wax oil is used for anti-corrosion of mainstream outdoor woodware on the market. The porosity and strong hygroscopicity of wood itself can easily expand and shrink in a space with large temperature and humidity changes, resulting in deformation and cracking. Water-based paint and oil-...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D125/14C09D175/04C09D7/61C09D7/63
CPCC08K5/053C08K5/06C08K2003/2272C08K2201/011C09D125/14C09D133/04C09D175/04C08L75/04C08K13/02C08K3/22C08L33/04
Inventor 张宇吴井龙王新王瑛张学龙
Owner SHENYANG RES INST OF CHEM IND
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