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Scratch resistance water-borne wood coating

A wood coating and anti-scratch technology, applied in polyurea/polyurethane coatings, coatings, etc., can solve the problems of coating decoration and protection damage, affecting the application of water-based wood coatings, and poor scratch resistance of the coating surface , to achieve the effects of excellent scratch resistance, excellent anti-blocking property and good recoatability

Inactive Publication Date: 2012-12-12
浙江博星化工涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the actual use of water-based wood coatings, due to technical and raw material problems, general water-based wood coatings are not ideal in terms of raw material selection and formulation optimization. Objects scratch the surface of the coating film, causing damage to the decoration and protection of the coating, which affects the application of water-based wood coatings in furniture decoration

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Use the following recipe and the above configuration process configuration:

[0027] (1) Acrylic modified polyurethane emulsion 80.0

[0028] (2) Coalescing aid 3.0

[0029] (3) Defoamer 0.3

[0030] (4) Deionized water 11.0

[0031] (5) Wetting agent 0.3

[0032] (6) 48-52% by mass aralkyl modified polymethylalkyl silicon solution 0.1

[0033] (7) Wax emulsion 5.0

[0034] (8) Thickener 0.2

[0035] (9) Preservatives 0.1

[0036] Total 100.0

Embodiment 2

[0038] Use the following recipe and the above configuration process configuration:

[0039] (1) Acrylic modified polyurethane emulsion 83.0

[0040] (2) Coalescing aid 4.0

[0041] (3) Defoamer 0.3

[0042] (4) Deionized water 7.0

[0043] (5) Wetting agent 0.3

[0044] (6) 48-52% mass percent aralkyl-modified polymethylalkyl silicon solution 0.1

[0045] (7) Wax emulsion 5.0

[0046] (8) Thickener 0.2

[0047] (9) Preservatives 0.1

[0048] Total 100.0

Embodiment 3

[0050] Use the following recipe and the above configuration process configuration:

[0051] (1) Acrylic modified polyurethane emulsion 86.0

[0052] (2) Film-forming agent 5.0

[0053] (3) Defoamer 0.3

[0054] (4) Deionized water 5.0

[0055] (5) Wetting agent 0.3

[0056] (6) 50% by mass aralkyl modified polymethylalkyl silicon solution 0.1

[0057] (7) Wax Emulsion 3.0

[0058] (8) Thickener 0.2

[0059] (9) Preservatives 0.1

[0060] Total 100.0

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PUM

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Abstract

The invention provides a scratch resistance water-borne wood coating which comprises, by weight, 80.0-86.0% of acrylic modified polyurethane emulsion, 3.0-5.0% of film formation auxiliaries, 0.3-0.5% of antifoaming agent, 3.0-11.0% of deionized water, 0.1-0.3% of wetting agent, 0.1-0.3% of aralkyl modified polymethyl alkyl silicon solution with mass percentage as 48-52%, 3.0-5.0% of wax emulsion, 0.3-0.5% of thickener and 0.1-0.2% of preservative. The acrylic modified polyurethane emulsion is formed by copolymerizing acrylics monomers, acrylic acid and waterborne polyurethane dispersoid, and the solid mass percentage is 30-40%. The scratch resistance water-borne wood coating has the advantages that water is used as a solvent, the coating is environment-friendly and energy-saving and good in dryness and anti-adhesion; the coating is good in scratch resistance and firm in film; and construction is simple, maintenance is easy, and recoatability is good.

Description

technical field [0001] The invention relates to a water-based wood coating. technical background [0002] In the wood coating market, water-based wood coatings have emerged in recent years. Water-based wood coatings are more and more widely used in home wooden furniture decoration because they use water as a solvent, are environmentally friendly and have little impact on human health. The coating formed by water-based wood coatings on the surface of wood products has good adhesion, water resistance, chemical resistance and easy construction. It can replace solvent-based polyurethane wood coatings with high VOC content and harmful to human body. However, in the actual use of water-based wood coatings, due to technical and raw material problems, general water-based wood coatings are not ideal in terms of raw material selection and formulation optimization. Objects scratch the surface of the coating film, causing damage to the decoration and protection of the coating, which af...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D151/08
Inventor 王君瑞
Owner 浙江博星化工涂料有限公司
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