Pigment for advertising posters and preparation method of pigment
A technology of advertising paintings and pigments, which is applied in the direction of art paints, etc., can solve the problems of complex composition of advertising painting pigments, heavy smell of advertising painting pigments, not bright and beautiful colors, etc., and achieve low manufacturing cost, bright and bright colors, and high tinting power Effect
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Embodiment 1
[0031] A kind of pigment for advertisement painting, described pigment is made up of the raw material of following weight part:
[0032] 50 parts of organic pigments,
[0033] 5 parts of simethicone oil,
[0034] 5 parts of 760W dispersant,
[0035] 40 parts of water,
[0036] A kind of preferred preparation method of described organic pigment, comprises the steps:
[0037] 1) Chloropropyltriethoxysilane surface modification of nano-silica: add 100g of chloropropyltriethoxysilane to 500g of chloroform suspended with 200g of nano-silica, and reflux and stir at 40°C to obtain The product was centrifuged, washed 7 times with dichloromethane, and then placed in a drying oven at 60°C for 4 hours;
[0038] 2) Quinacridone ionization: Suspend 200 g of nano-silica modified with chloropropyltriethoxysilane prepared in step 1) in 500 g of N,N-dimethylformamide, and then inject Add 100 g of quinacridone, stir at room temperature for 6 hours under the protection of nitrogen, then pre...
Embodiment 2
[0043] A kind of pigment for advertisement painting, described pigment is made up of the raw material of following weight part:
[0044] 54 parts of organic pigments,
[0045] 5 parts of tributyl phosphate,
[0046] Sodium hexametaphosphate 3 parts,
[0047] 38 parts of water,
[0048] A kind of preferred preparation method of described organic pigment, comprises the steps:
[0049] 1) Chloropropyltriethoxysilane surface modification of nano-silica: Add 100g of chloropropyltriethoxysilane to 500g of chloroform suspended with 300g of nano-silica, and reflux and stir at 50°C to obtain The product was centrifuged, washed 8 times with dichloromethane, and then placed in a drying oven at a temperature of 70°C for 5 hours;
[0050] 2) Ionization of quinacridone: Suspend 200 g of nano-silica modified with chloropropyltriethoxysilane prepared in step 1) in 600 g of N-methylpyrrolidone, and then add quinacridone to it Ketone 100g, under the protection of argon, stirred at room tem...
Embodiment 3
[0055] A kind of pigment for advertisement painting, described pigment is made up of the raw material of following weight part:
[0056] 58 parts of organic pigments,
[0057] 3 parts of simethicone oil,
[0058] 5 parts of 760W dispersant,
[0059] 34 parts of water,
[0060] A kind of preferred preparation method of described organic pigment, comprises the steps:
[0061] 1) Chloropropyltriethoxysilane surface modification of nano-silica: Add 100g of chloropropyltriethoxysilane to 720g of chloroform suspended with 350g of nano-silica, and reflux and stir at 54°C to obtain The product was centrifuged, washed 8 times with dichloromethane, and then placed in a drying oven at 68°C for 5 hours;
[0062] 2) Ionization of quinacridone: Suspend 200 g of nano-silica modified with chloropropyltriethoxysilane prepared in step 1) in 720 g of dimethyl sulfoxide, and then add quinacridone to it 100g, under the protection of neon gas, stirred at room temperature for 7.5 hours, then pr...
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