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Composition of 10YG8/2 pigment and practicality color block prepared by the same

A composition and pigment technology, applied in the direction of pigment-containing coating, coating, etc., can solve the problem of inability to precisely control, and achieve the effect of strong practical value, good ratio reproducibility and high degree of accuracy

Inactive Publication Date: 2007-07-04
SHENZHEN OCEAN POWER INDUSTRIAL CO LTD
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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 8.16 grams of PY42, 2.07 grams of PG7, 0.13 grams of PBK7, and 1000 grams of CSC-A base by weight. Mix and mix the above-mentioned raw materials uniformly, and then apply the mixed composition to the coated paper evenly and smoothly under the environmental conditions of 50%±5% relative humidity and 23±2°C at room temperature. On top, the wet film thickness of the coating is 250μm, and then placed in a precision oven at 50±2℃ to dry for 3~4h to constant weight, take it out, and cool to room temperature to obtain the actual color block.

Embodiment 2

[0024] Example 2: Weigh 7.6 grams of PY42, 1.87 grams of PG7, 0.14 grams of PBK7, and 1000 grams of CSC-A base material by weight. The production process is the same as in Example 1.

Embodiment 3

[0025] Example 3: Weigh 8.8 grams of PY42, 2.27 grams of PG7, 0.12 grams of PBK7, and 1005 grams of CSC-A base material by weight. The production process is the same as in Example 1.

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PUM

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Abstract

The invention discloses a composition of 10GY 8 / 10 dyestuff and process for preparing physical color lump therefrom, wherein the composition comprises (by weight portions) CSC-A base-material 995-1005 parts, Pg7 with a dyestuff content of 20% 1.87-2.27 parts, P42 with a dyestuff content of 60% 7.60-8.8 parts, PBK7 with a dyestuff content of 9% 0.12-0.14 part. The principal ingredients of the CSC-A base-material being acrylic acid copolymer a content of 30-40%. ISO 591 R2 type is selected as the main white dyestuff with a content of 18-22%, the content of TiO2 >=95%, oil absorption <20g / 100g, tinting power = 1800, the base-material has a contrast ratio of 0.90-0.96, a Stormer viscosity of 90-100KU, when the incident angle is 85 Deg, the lustrousness is 5-10 Deg. The composition of the invention has high weatherability and stability, good proportioning repeatability. The raw material and technical process can meet low VOC and zero VOC environmental protection requirement and standard, the obtained physical color lump has very low color-difference compared with the normalized value in theoretical models of the Chinese color systems. The invention can achieve high accuracy of color realization, fine production process and high practical values.

Description

【Technical Field】 [0001] The present invention relates to a composition, in particular to a composition of a pigment, and an actual color block prepared with 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 of the three-dimensional color, and given a certain label. The calibration method is to write the hue H first, then the lightness V, and the chroma C after the slash. Use HV / C as an example. Take the color 10BG 5.5 / 6 as an example. 10BG represents hue, 5.5 represents lightness, and 6 represents color. degree. [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 m...

Claims

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Application Information

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