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2.5B 7/4 pigment composition and technical method for preparing color characterization substances by using same

A composition and pigment technology, applied in the directions of pigment slurry, pigment-containing coating, color measuring device, etc., can solve problems such as inability to precisely control, and achieve high practical value, high accuracy, high weather resistance and stability. Effect

Inactive Publication Date: 2010-03-31
SHENZHEN OCEAN POWER INDUSTRIAL CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005]Currently, in China, the technology from the theoretical value in the theoretical model to the reproduction of the actual color block is still in the stage of inaccurate control, and this is the application of color theory core of value

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Weigh 2.9 grams of PG7, 0.98 grams of PB15:3, 0.48 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 thickness of the wet film of the coating is 250m, and then placed in a precision oven at 50±2°C for 3 to 4 hours to a constant weight, then taken out, cooled to room temperature, and obtained a physical color block.

Embodiment 2

[0025] Weigh 2.97 grams of PG7, 0.93 grams of PB15:3, 0.48 grams of PBK7, and 1000 grams of CSC-B base material. Manufacturing process is with embodiment 1.

Embodiment 3

[0027] Weigh 2.82 grams of PG7, 0.98 grams of PB15:3, 0.48 grams of PBK7, and 1005 grams of CSC-B base material. Manufacturing process is with embodiment 1.

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PUM

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Abstract

The invention discloses a 2.5B 7 / 4 pigment composition, which comprises the following components in part by weight: 995 to 1,005 parts of CSC-B base material, 2.82 to 2.97 parts of PG7 containing 20 percent of pigment, 0.93 to 1.03 parts of PB15:3 containing 27 percent of pigment and 0.48 part of PBK7 containing 9 percent of pigment. The main component of the CSC-B base material is ethylene methacrylic acid (EMAA) copolymer of which the content is 30 to 40 percent and the average molecular weight range is between 150,000 and 200,000. TiO2 is used as a main white pigment with the content between 8 and 12 percent. The base material has the contrast ratio of between 0.78 and 0.82, the stormer viscosity of between 90 and 100 KU and the glossiness of between 5 and 10 degrees when the incident angle is 85 degrees. The composition has high weather resistance and stability and good proportioning repeatability, and raw materials and processes used meet the environmental requirements and standards of low VOC and zero VOC; and the physical color block has small color difference with a standard value in a theoretical model of 'Chinese color system', high accuracy of color realization, fine process and high practical value.

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 actual color block, many important links such as color dif...

Claims

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Application Information

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IPC IPC(8): C09D133/02C09D17/00D21H19/38G01J3/46
Inventor 赵蕴岚何唯平
Owner SHENZHEN OCEAN POWER INDUSTRIAL CO LTD
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