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Conch pearl brick-red printing ink for offset printing

A conch, offset printing technology, applied in the field of ink, can solve the problems of yellowish color, not bright enough, unable to meet the needs of use, etc., and achieve the effect of bright color and high saturation

Inactive Publication Date: 2020-07-03
敬业(东莞)印刷包装厂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] 1. The hue of Magenta ink tends to be yellow; resulting in a yellowish color of Cyan + Magenta + Yellow + Black four-color printed matter
[0015] 2. Magenta ink saturation is low; resulting in Cyan + Magenta + Yellow + Black four-color prints are dark and not bright enough to meet the needs of use

Method used

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  • Conch pearl brick-red printing ink for offset printing
  • Conch pearl brick-red printing ink for offset printing
  • Conch pearl brick-red printing ink for offset printing

Examples

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Embodiment Construction

[0026] The invention discloses a conch pearl red spot color ink for offset printing, which is composed of the following raw materials in mass percentage: 8.0-9.0% of Rubine Red; 80.0-81.0% of Rhodamine; 11.0% of Trans White -12.0%, the formula of conch pearl red spot color ink for offset printing is preferably: scarlet ink 8.5%; peach red ink 80.5%; transparent ink 11.0%. The color value of the conch pearl red spot color ink for offset printing is: L 48.0 a 83.5 b -18.0, the measuring instrument adopted is X-rite Exact, the color is set; measurement condition: M1; light source and viewing angle: D50 / 2 °; Color difference formula: CIE △E (2000); color difference requirement: △E<1.5.

[0027] When making, mix the bright red ink, peach red ink and transparent ink in proportion to make conch pink spot color ink (Conch Pink) for offset printing.

[0028] Contrast conch pearl red spot color ink and magenta ink for offset printing of the present invention:

[0029] First of all, th...

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PUM

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Abstract

The invention discloses a conch pearl brick-red printing ink for offset printing. The conch pearl brick-red printing ink is prepared from the following raw materials in percentage by mass: 8.0-9.0% ofa bright red ink; 80.0%-81.0% of a pink ink; and 11.0%-12.0% of a transparent ink. The conch pearl brick-red printing ink (Conch Pink) prepared from the formula can be used for replacing Magenta primary color ink in lithographic offset printing four-primary-color Cyan / Magenta / Yellow / Black, moreover, pigments, which are bright and saturated, namely Rhodamine and Rubine red, are used in Conch Pink,the color of the Conch Pink is brighter and more saturated, compared with a pinkish red printing ink; the color is blue-shifted; and the requirements of offset lithography are met.

Description

technical field [0001] The invention relates to the technology in the field of ink, in particular to conch pearl red spot color ink for offset printing. Background technique [0002] Undoubtedly, ISO 12647-2 "Printing Technology - Process Control of Halftone Color Separations, Samples and Printed Products Part 2: Offset Printing" is the most widely used offset printing process standard for printing companies. This standard is a powerful basis for evaluation and correction of printing standardization. With it, printing standardization and process control can be carried out effectively. The standard was promulgated in 1996 and revised once in 2004 and 2013 respectively. At present, most of the ISO12647-2 standards implemented by printing companies in offset printing production are version 2004, and there are some gaps between this standard and the current actual printing conditions. Therefore, it is necessary for printing companies to carry out prepress and The printing proc...

Claims

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Application Information

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IPC IPC(8): C09D11/02
CPCC09D11/02
Inventor 唐俊辉田胥鹏
Owner 敬业(东莞)印刷包装厂有限公司