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
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[0071] Example 1
[0072] The pigment composition prepared in this implementation includes the following components in parts by weight:
[0073]
[0074] The preparation method includes the following steps:
[0075] In the high-speed stirring and dispersing kettle, add 17.3 parts of water, 1.5 parts of sodium polyacrylate dispersant, 0.3 parts of organic silicon defoamer, 1.2 parts of AMP-95 pH regulator, start stirring at 300 rpm, and then add 25 parts of titanium dioxide , 1250 mesh calcium carbonate, and then increase the stirring speed to 1500rpm / min for 30 minutes; then add 40 weight parts of zirconium beads, and grind for 1 hour at a rate of 2000rpm / min. The fineness measured with a scraper fineness meter was 33 μm, the dispersion was stopped, and a white slurry was obtained by filtering with 100 mesh.
[0076] Add the prepared slurry into a stirring tank equipped with a vacuum mixer, slowly add 49.7 parts of the transparent polyacrylate emulsion (including 45% solid content) u...
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[0077] Example 2
[0078] The pigment composition prepared in this implementation includes the following components in parts by weight:
[0079]
[0080] The preparation method includes the following steps:
[0081] In the high-speed stirring dispersion kettle, 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 adjuster, 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, then increase the stirring speed to 2000rpm / min for 20 minutes; then add 40 parts of zirconium beads, and grind at 2000rpm / min for 1 hour. The fineness measured with a scraper fineness meter was 22 μm, the dispersion was stopped, and a white slurry was obtained by 100 mesh filtration.
[0082] Add the prepared slurry to a stirring tank equipped with a vacuum stirrer, slowly add 38 parts of the transparent polyacrylate emulsion (with a solid content of 40%) und...
Example Embodiment
[0083] Example 3
[0084] The pigment composition prepared in this implementation includes the following components in parts by weight:
[0085]
[0086] The preparation method includes the following steps:
[0087] Add 24.2 parts of water, 2.5 parts of hydrophobically modified sodium polyacrylate dispersant, 0.5 part of mineral oil defoaming agent, 1 part of AMP-95 pH adjuster in the high-speed stirring dispersing kettle, start stirring 300 rpm, then add 8 parts of titanium dioxide, 8 parts of light fast yellow G, 12 parts of 1200 mesh barium sulfate, then increase the stirring speed to 1600rpm / min for 30 minutes; then add 40 parts of zirconium beads and grind at 2000rpm / min for 1 hour. Use a scraper fineness meter to measure the fineness of 30 μm, stop the dispersion, and filter with 100 mesh to obtain a white slurry.
[0088] Add the prepared slurry to a stirring tank equipped with a vacuum mixer, slowly add 35 parts of the transparent polyacrylate emulsion (50% of the solid conte...
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