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Composition of 5B7.5/3 pigment and practicality color block prepared by the same

A composition and pigment technology, applied in pigment-containing coatings, coatings, etc., can solve problems such as inability to accurately control, and achieve the effects of strong practical value, refined production process, and good ratio reproducibility

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 0.94 grams of PG7, 0.75 grams of PB15:3, 0.59 grams of PBK7, and 1000 grams of CSC-A base material by weight. Mix the above-mentioned raw materials, and then apply the mixed composition evenly and evenly on the coated paper by mechanical coating method 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, then it is dried in a precision oven at 50 ± 2 °C for 3 to 4 hours to a constant weight, taken out, and cooled to room temperature to obtain a physical color block.

Embodiment 2

[0024] Example 2: Weigh 0.95 grams of PG7, 0.74 grams of PB15:3, 0.58 grams of PBK7, and 1000 grams of CSC-A base material by weight. The production process is the same as that of Example 1.

Embodiment 3

[0025] Example 3: Weigh 0.93 grams of PG7, 0.75 grams of PB15:3, 0.60 grams of PBK7, and 1005 grams of CSC-A base material by weight. The production process is the same as that of Example 1.

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PUM

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Abstract

The invention discloses a composition of 5B 7.5 / 3 dyestuff and process for preparing physical color lump therefrom, wherein the composition comprises (by weight portions) CSC-C base-material 995-1005 parts, Pg7 with a dyestuff content of 20% 0.93-0.95 parts, PB15:3 with a dyestuff content of 27% 0.74-0.76 parts, PBK7 with a dyestuff content of 9% 0.58-0.60 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 compositions, in particular to compositions of pigments, and physical color blocks prepared with the compositions. 【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 three-dimensional, and given a certain label. The calibration method is to write the hue H first, then write the lightness V, and write the chroma C after the slash, which is represented by H V / C. Taking the color 10BG 5.5 / 6 as an example, 10BG represents the hue, 5.5 represents the lightness, and 6 represents the color. Spend. [0003] From the theoretical value in the theoretical model to the production process of the actual color block, many important l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/02D21H19/38
Inventor 赵蕴岚何唯平
Owner SHENZHEN OCEAN POWER INDUSTRIAL CO LTD
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