Composition expressing 7.5BG 6.5/9 pigment and technical method for preparing color characterization objects by using the same
A composition and pigment technology, applied in the direction of pigment slurry, color measuring device, device for coating liquid on the surface, etc., can solve the problem of inability to accurately control, achieve small color difference, good ratio reproducibility, weather resistance and high stability
Inactive Publication Date: 2009-05-06
SHENZHEN OCEAN POWER INDUSTRIAL CO LTD +3
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Problems solved by technology
[0005] At present, China is still in the stage of being unable to accurately control the technology from the theoretical value in the theoretical model to the reproduction of color representations, and this item is the core of the application value of color theory
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1
[0022] Weigh 29.99 grams of PG7, 2.81 grams of PB15:3, and 1000 grams of CSC-B base material. Mix the above materials evenly, and then apply the obtained composition on the substrate evenly and evenly by mechanical coating under the condition of relative humidity of 50%±5% and room temperature of 23±2°C. It is metallic or non-metallic material. The wet film thickness of the coating is 250m, and then placed in a 50±2°C precision oven to dry for 3-4h to constant weight, take it out, cool to room temperature, and obtain the color characterization.
Embodiment 2
[0024] Weigh 29.6 grams of PG7, 2.81 grams of PB15:3, and 1000 grams of CSC-B base material. Manufacturing process is with embodiment 1.
Embodiment 3
[0026] Weigh 29.99 grams of PG7, 2.75 grams of PB15:3, and 1005 grams of CSC-B base material. Manufacturing process is with embodiment 1.
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Abstract
The invention discloses a composition of 7.5BG 6.5 / 9 pigment, which comprises the following components in weight portion: 995 to 1,005 portions of CSC-B base stock, 2.75 to 2.85 portions of PB15:3 the pigment content of which is 27 percent, and 29.6 to 30.4 portions of PG7 the pigment content of which is 20 percent. The main component of the CSC-B base stock is acrylic acid polymer the content of which is between 30 and 40 percent; the range of the average molecular weight of the base stock is between 150,000 and 200,000; TiO2 is selected as the main white pigment the content of which is between 8 and 12 percent; the contrast ratio of the base stock is between 0.78 and 0.82, the Stoke viscosity of the base stock is between 90 and 100 KU; when the incidence angle is 85 DEG, the lustrousness of the base stock is between 5 and 10. The color characterization object of the invention has good weather resistance and stability, and good matching reproduction quality, and raw materials and process used meet the environment-friendly requirement and standard of low VOC and zero VOC; and compared with the standard value of a theoretical model in national standard of Chinese color system, the color characterization object has small color difference, has high accuracy in color realization, and can be widely applied in a plurality of fields related to color.
Description
【Technical field】 [0001] The present invention relates to a composition, in particular to a composition of pigments, and a technical method for preparing color representations from the composition. 【Background technique】 [0002] A color includes hue, lightness and chroma. As long as the hue, lightness and chroma are determined, a unique color can be determined. The Chinese color system GB / T 15608-1995 stipulates that in the theoretical model of the Chinese color system, any color can be calibrated by the hue, lightness and chroma on the color plane, and given a certain label. The calibration method is to first write the hue H, then write the lightness V, write the chroma C after the slash, expressed as H V / C, take the color 10BG 5.5 / 6 as an example, 10BG means the hue, 5.5 means the lightness, and 6 means the color Spend. [0003] From the theoretical value in the theoretical model to the production process of the color representation, many important links such as color d...
Claims
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IPC IPC(8): C09D133/02C09D17/00B05D7/00G01J3/46
Inventor 赵蕴岚张杰何唯平
Owner SHENZHEN OCEAN POWER INDUSTRIAL CO LTD