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Pigment composition and preparation method and application thereof

A pigment composition and extender pigment technology, which is applied in the direction of pigment slurry, dyeing method, art paint, etc., can solve the problems of water resistance, yellowing of paint film, failure to achieve adhesion fastness, water resistance, rub resistance, and wash resistance and weather resistance to achieve good adhesion, good fastness, and avoid the use of volatile organic solvents

Active Publication Date: 2018-07-17
上海马利画材股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that the binders used in the currently prepared acrylic paints are all water-based acrylic emulsions, and the color difference between the wet state and the dry state cannot be avoided.
Moreover, if triethanolamine is used as a neutralizing agent, it is more likely to cause yellowing of the paint film outdoors, and it will also affect the water resistance
Although the use of water-soluble resins as binders can reduce the color difference between wet and dry states, water-soluble resins often have poor performance and cannot achieve better adhesion fastness and water resistance, rub resistance, wash resistance and weather resistance. sex

Method used

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  • Pigment composition and preparation method and application thereof
  • Pigment composition and preparation method and application thereof
  • Pigment composition and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0072] The pigment composition prepared by this implementation comprises the following components by weight:

[0073]

[0074] The preparation method comprises the following steps:

[0075] In the high-speed stirring dispersing tank, add 17.3 parts of water, 1.5 parts of sodium polyacrylate dispersant, 0.3 parts of silicone defoamer, 1.2 parts of AMP-95pH regulator, start stirring at 300 rpm, and then add 25 parts of titanium dioxide , 12 parts of 1250-mesh calcium carbonate, and then increase the stirring speed to 1500rpm / min to disperse for 30 minutes; then add 40 parts by weight of zirconium beads, and grind for 1 hour at a speed of 2000rpm / min. Use a scraper fineness meter to measure the fineness to 33 μm, stop the dispersion, and filter through 100 mesh to obtain a white slurry.

[0076] Add the prepared slurry into a stirred tank equipped with a vacuum mixer, slowly add 49.7 parts of transparent polyacrylate emulsion (wherein the solid content is 45%) under stirring ...

Embodiment 2

[0078] The pigment composition prepared by this implementation comprises the following components by weight:

[0079]

[0080] The preparation method comprises the following steps:

[0081] In the high-speed stirring dispersing tank, add 21.5 parts of water, 1.2 parts of sodium polyacrylate dispersant, 0.3 parts of mineral oil defoamer, 0.5 parts of AMP-95 pH regulator, start stirring at 300 rpm, and then add titanium dioxide 18 Parts, 8 parts of iron oxide black, 12 parts of 1200 mesh barium sulfate, and then increase the stirring speed to 2000rpm / min to disperse for 20 minutes; then add 40 parts of zirconium beads and grind for 1 hour at a speed of 2000rpm / min. Use a scraper fineness meter to measure the fineness to 22 μm, stop the dispersion, and filter through 100 mesh to obtain a white slurry.

[0082]Add the prepared slurry into a stirred tank equipped with a vacuum mixer, slowly add 38 parts of transparent polyacrylate emulsion (wherein the solid content is 40%) und...

Embodiment 3

[0084] The pigment composition prepared by this implementation comprises the following components by weight:

[0085]

[0086] The preparation method comprises the following steps:

[0087] In the high-speed stirring dispersing tank, add 24.2 parts of water, 2.5 parts of hydrophobically modified sodium polyacrylate dispersant, 0.5 part of mineral oil defoamer, 1 part of AMP-95 pH regulator, start stirring at 300 rpm, and then add 8 parts of titanium dioxide, 8 parts of Fast Yellow G, 12 parts of 1200 mesh barium sulfate, and then increase the stirring speed to 1600rpm / min to disperse for 30 minutes; then add 40 parts of zirconium beads and grind for 1 hour at a speed of 2000rpm / min. Use a scraper fineness meter to measure the fineness to 30 μm, stop the dispersion, and filter through 100 mesh to obtain a white slurry.

[0088] Add the prepared slurry into a stirred tank equipped with a vacuum mixer, slowly add 35 parts of transparent polyacrylate emulsion (wherein the soli...

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Abstract

The invention provides a pigment composition. The pigment composition is prepared from, by weight, 10-30 parts of colored powder, 10-25 parts of extender pigments and 28-55 parts of polyacrylate emulsion. The invention also provides a preparation method of the pigment composition. The color display degrees of the provided pigment composition in a wet state and a dry state are both equal, a chromatic aberration phenomenon cannot occur, and an anti-yellowing effect is achieved when the pigment composition is used outdoors; even if the pigment composition is placed at 50 DEG C for one month or exposed under the blazing sun for eight hours, a yellowing situation does not occur; meanwhile, the pigment composition also has great fastness, water resistance, scuff resistance and weather resistance, and especially when the pigment composition is used in a textile, the adhesive force is high; when the textile is soaked in water after the textile is baked at the high temperature of 50 DEG C for one hour, the pigments totally do not permeate into the water, and the textile can still keep soft and resistant to washing, so that the pigment composition has a high application value.

Description

technical field [0001] The invention belongs to the field of art painting pigments, and relates to a pigment composition, a preparation method and an application thereof. Background technique [0002] Acrylic art paint, also known as acrylic paint, is a pigment composition formed by using water-based polyacrylate as the binding material, and the pigment toner is dispersed in the water phase system. ", most of which exist in the form of water-based emulsions. Water-based acrylic paints have been widely used once they come out because of their advantages such as fast drying, environmental protection, low odor, and easy toning. Now it has been widely used in construction, wood, handicrafts, art creation teaching, decorative supplies, clothing and other fields. [0003] Acrylic art paint is made by grinding and dispersing the toner into water with the assistance of a dispersant, and then mixing and thickening with water-based acrylic latex as a binder to form a viscous water-b...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D5/06C09D17/00C09D7/65C09D7/61D06P1/52D06P1/673D06P1/44
CPCC08K2003/2241C08K2003/262C08K2003/265C08L2205/02C08L2205/025C08L2205/03C09D5/06C09D17/004C09D17/008C09D133/04D06P1/445D06P1/525D06P1/5257D06P1/5285D06P1/673D06P1/6735C08L33/02C08K3/22C08K3/26C08L75/04C08K3/36C08K3/34
Inventor 陈慧
Owner 上海马利画材股份有限公司
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