Method for preparing waterborne plastic toy paint
A plastic toy, water-based technology, applied in the direction of latex paint, coating, etc., can solve the problems of low gloss, poor adhesion, low hardness and so on
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Embodiment 1
[0017] 25g of wetting and dispersing agent BYK-190, 34.9g of water, 0.1g of defoamer BYK-022 and 40g of diketopyrrolopyrrole colored pigments were stirred and pre-dispersed until there was no raw powder. After high-speed dispersion for 40 minutes, the Carry out sand grinding in a basket sand mill until the fineness is below 20 μm to obtain color paste, take 8 g of color paste and add to 57 g of acrylic emulsion A, 11 g of acrylic emulsion B, 11.4 g of deionized water, 2-amino- 0.3g 2-methyl-1-propanol organic amine neutralizer, 0.2g TEGO Wet KL245 leveling agent, 0.2g BYK-022 defoamer, 2g propylene glycol butyl ether, trimethylpentanediol monoisobutyrate Add 6.5g of ester and 3g of wax emulsion to the mixed solution, stir at 200-300rpm for 20min, add 0.4g of associative polyurethane thickener, stir at 200-300rpm for 20min, until the viscosity reaches 100s to obtain water-based plastic toy paint, the paint film is attached to ABS Strength level 1, gloss 84, hardness 102.2s.
Embodiment 2
[0019] Add 75g of rutile titanium dioxide to the mixture of 7.5g of wetting and dispersing agent BYK-190, 17.4g of water, and 0.1g of defoamer BYK-022, stir at a slow speed for pre-dispersion until there is no raw powder, and then disperse at high speed for 30 minute. Perform sand grinding in a basket sand mill to obtain a color paste with a fineness below 20 μm. Acrylic emulsion A52.7g, acrylic emulsion B10.8g, organic amine neutralizer 0.3g, TEGO Wet KL245 leveling agent 0.2g, BYK-022 defoamer 0.1g, propylene glycol butyl ether 5g, trimethyl monoisobutyrate 7g of pentyl glycol ester and 3g of wax emulsion were mixed evenly under slow stirring conditions, then 20.5g of color paste was added, stirred at 200-300rpm for 25min, 0.4g of associative polyurethane thickener was added, and stirred at 200-300rpm for 20min, until When the viscosity reaches 110s, water-based plastic toy paint is obtained. The adhesion of the paint film on ABS is grade 1, the gloss is 82, and the hardnes...
Embodiment 3
[0021] Add 66.2g of acrylic emulsion A to the paint mixing tank, then slowly add 13.5g of acrylic emulsion B, 4.1g of deionized water, 0.4g of organic amine neutralizer, 0.2g of TEGO WetKL245 leveling agent, and BYK-022 disinfectant under slow stirring. Foam agent 0.2g, propylene glycol butyl ether 3g, trimethylpentanediol monoisobutyrate 7g, wax emulsion 5g, stir at 200-300rpm for 20min, add associative polyurethane thickener 0.4g under stirring, stir at 200-300rpm After 20 minutes, until the viscosity reaches 100s, water-based plastic toy paint is obtained. The adhesion of the paint film on ABS is grade 1, the gloss is 89, and the hardness is 117.6s.
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