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Multi-color liquid soft particle suspensoid prepared from metallic pigment

A metal pigment and suspension technology, applied in the field of coatings, can solve the problems of poor cohesion, difficult to form, color bleeding, etc., and achieve the effects of enhanced spreadability and flatness, improved thixotropy, and good formability.

Active Publication Date: 2014-04-30
安徽本雅明涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Disperse metallic pigments in aqueous solutions of dispersants, wetting agents, and defoamers, and then add emulsions and thickeners to make metallic flash paints. However, this flash paint is not stable at all in protective glue solutions because metal The diameter of the pigment sheet is tens of microns. This kind of particle has poor cohesion and water resistance. It is easy to disperse, bleed, bond and not easy to form in the protective glue solution, and it cannot reach a stable suspension state at the same time.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The slurry of the present embodiment comprises the following components by weight:

[0025] Aqueous silane 0.1%,

[0026] Zirconium ion 0.1%,

[0027] Polycarboxylate electrolyte 0.1%,

[0028] EO / PO block copolymer 0.1%,

[0029] Metallic pigment 5%,

[0030] Dispersant 0.3%,

[0031] Deaerator 0.1%,

[0032] Wetting agent 0.1%,

[0033] Water-based resin binder 20%,

[0034] Water-soluble thickener 12%,

[0035] The balance is water.

[0036] Stir the above-mentioned water-based silane, zirconium ion, polycarboxylic acid electrolyte, EO / PO block copolymer, metal pigment, dispersant, defoamer, wetting agent and water in proportion, then add water-based resin binder and water-soluble After adding a non-toxic thickener, stir evenly and place it at room temperature for at least 48 hours to form a slurry. Add the above slurry to a 2% magnesium silicate solution by weight, form a suspension after cutting, and add an emulsion to the suspension to make a finished pro...

Embodiment 2

[0039] The slurry of the present embodiment comprises the following components by weight:

[0040] Aqueous silane 0.5%,

[0041] Zirconium ion 0.4%,

[0042] Polycarboxylate electrolyte 2%,

[0043] EO / PO block copolymer 2%,

[0044] Metallic pigments 20%,

[0045] Dispersant 1.5%,

[0046] Deaerator 0.5%,

[0047] Wetting agent 0.1%,

[0048] Water-based resin binder 50%,

[0049] Water-soluble thickener 15%,

[0050] The balance is water.

[0051] Stir the above-mentioned water-based silane, zirconium ion, polycarboxylic acid electrolyte, EO / PO block copolymer, metal pigment, dispersant, defoamer, wetting agent and water in proportion, then add water-based resin binder and water-soluble After adding a permanent thickener, stir evenly and place it at room temperature for at least 48 hours to form a slurry. Add the above slurry to a 10% by weight magnesium silicate solution, and form a suspension after cutting. The metallic pigment in this embodiment is a mixed powde...

Embodiment 3

[0054] The slurry of the present embodiment comprises the following components by weight:

[0055] Aqueous silane 0.2%,

[0056] Zirconium ion 0.2%,

[0057] Polycarboxylate electrolyte 1%,

[0058] EO / PO block copolymer 1%,

[0059] Metallic pigments 10%,

[0060] Dispersant 1%,

[0061] Deaerator 0.3%,

[0062] Wetting agent 0.1%,

[0063] Water-based resin binder 30%,

[0064] Water-soluble thickener 13%,

[0065] The balance is water.

[0066] Stir the above-mentioned water-based silane, zirconium ion, polycarboxylic acid electrolyte, EO / PO block copolymer, metal pigment, dispersant, defoamer, wetting agent and water in proportion, then add water-based resin binder and water-soluble After adding a permanent thickener, stir evenly and place it at room temperature for at least 48 hours to form a slurry. Add the above slurry to a 15% by weight magnesium silicate solution, and form a suspension after cutting. The metal pigment in this embodiment is copper gold powder...

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PUM

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Abstract

The invention discloses a multi-color liquid soft particle suspensoid prepared from a metallic pigment. The multi-color liquid particle suspensoid is prepared by the following steps: uniformly stirring aqueous silane, zirconium ions, a polycarboxylic electrolyte, an EO (Ethylene Oxide / PO (Propylene Oxide) segmented copolymer, the metallic pigment, a dispersing agent, a defoaming agent, a wetting agent and water according to a proportion, then adding an aqueous resin binding material and a water-soluble thickening agent, uniformly stirring, standing at normal temperature for at least 48h to form paste, adding the paste into a magnesium silicate solution of which the percentage by weight is 2-15 percent, cutting, and then forming the suspensoid. According to the preparation method of the multi-color liquid particle suspensoid, a low-HLB (Hydrophile-Lipophile Balance) surface active agent and the aqueous silane are utilized to modify the system by means of hydrophobization; meanwhile due to complexation and cross-linkage of the zirconium ions and the carboxylic groups in the emulsion, the cohesive force of the particles is greatly increased, thus colorized particles are not dispersed, bled or adhered, and the formability is extremely good.

Description

technical field [0001] The invention relates to a paint, in particular to a multi-color liquid soft particle suspension made of metal pigments. Background technique [0002] Metallic glitter paint is a decorative paint. It is formulated with special scaly metal powder (such as aluminum powder, bronze powder, etc.) The deep reflections have a metallic sheen resembling the twinkling of stars (glitter effect). At the same time, it is equipped with various transparent organic or inorganic pigments, which can be made into various colors. Used for finishing of automobiles, household appliances, etc. To be used in conjunction with primer and top coat. Commonly used varieties are thermosetting acrylic paint or polyester paint. [0003] Disperse metallic pigments in aqueous solutions of dispersants, wetting agents, and defoamers, and then add emulsions and thickeners to make metallic flash paints. However, this flash paint is not stable at all in protective glue solutions becaus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D17/00C09D5/36C09D5/38
Inventor 叶聪崔鹏谢万如尹星
Owner 安徽本雅明涂料有限公司