7.5Y 8.5/2 dye composition and object color lump prepared from the composition
A composition and pigment technology, applied in the direction of pigment-containing coatings, coatings, etc., can solve problems such as inaccurate control, achieve strong practical value, refined production process, and good ratio reproducibility
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Embodiment 1
[0023] Weigh 1.35 grams of PY153, 1.26 grams of PY42, 0.28 grams of PBK7, and 1000 grams of CSC-B base material. Mix the above raw materials, and then apply the mixed composition evenly and evenly on the coated paper under the environmental conditions of relative humidity of 50%±5% and room temperature of 23±2°C. The wet film thickness of the coating is 250 μm, and then placed in a precision oven at 50±2°C for 3 to 4 hours to constant weight, taken out, cooled to room temperature, and obtained a physical color block.
Embodiment 2
[0025] Weigh 1.33 grams of PY153, 1.24 grams of PY42, 0.27 grams of PBK7, and 1000 grams of CSC-B base material. Manufacturing process is with embodiment 1.
Embodiment 3
[0027] Weigh 1.37 grams of PY153, 1.28 grams of PY42, 0.29 grams of PBK7, and 1005 grams of CSC-B base material. Manufacturing process is with embodiment 1.
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