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N7.75 pigment composition and color block of the composition

A composition and pigment technology, applied in the direction of pigment slurry, pigment-containing coating, color measuring device, etc., can solve the problem of inability to precisely control, and achieve the effect of strong practical value, refined production process, and good ratio reproducibility

Inactive Publication Date: 2007-12-19
SHENZHEN OCEAN POWER INDUSTRIAL CO LTD +1
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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 0.73 grams of PY42, 0.31 grams of PR101, 0.74 grams of PBK7, and 1000 grams of CSC-A 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 a constant weight, taken out, cooled to room temperature, and obtained a physical color block.

Embodiment 2

[0025] Weigh 0.72 grams of PY42, 0.30 grams of PR101, 0.73 grams of PBK7, and 1000 grams of CSC-A base material. Manufacturing process is with embodiment 1.

Embodiment 3

[0027] Weigh 0.74 grams of PY42, 0.31 grams of PR101, 0.75 grams of PBK7, and 1005 grams of CSC-A base material. Manufacturing process is with embodiment 1.

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PUM

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Abstract

The N 7.75 pigment composition consists of CSC-A base material in 995-1005 weight portions; PY42 with pigment content of 60 % in 0.72-0.74 weight portion; PR101 with pigment content of 65 % in 0.30-0.32 weight portion; and PBK7 with pigment content of 9 % in 0.73-0.75 weight portion. The CSC-A base material has acrylate copolymer of average molecular weight 150-200 KD as main component in content of 30-40 %. TiO2 selected as the main white pigment has content of 18-22 %. The base material has contrast ratio of 0.90-0.96, Stormer viscosity of 90-100 KU, and brightness in incident angle 85 deg of 5-10 deg. The pigment composition has high weather resistance, high stability, good compounding reproductivity and environment friendship. The color block of the composition has high accuracy and high use value.

Description

【Technical field】 [0001] The invention relates to a composition, in particular to a pigment composition, and a physical color block prepared by using the composition. 【Background technique】 [0002] The color is composed of achromatic system and chromatic system. The achromatic system is composed of absolute white, absolute black and gray mixed with white and black in different proportions. They are collectively called neutral colors. According to the Chinese color system GB / T 15608-1995, the symbol of neutral color is represented by N. The calibration method is to write N first, and then write the lightness classification, which is represented by N x, taking the neutral color N 5 as an example, N means that the color is a neutral color, and 5 means that the lightness of the color is 5. [0003] From the theoretical value in the theoretical model to the production process of the actual color block, many important links such as color difference ΔE, raw materials, formula and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/02C09D17/00D21H19/38G01J3/46
Inventor 周维军何唯平
Owner SHENZHEN OCEAN POWER INDUSTRIAL CO LTD