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Black ink for preventing oxidative discoloration of bronzing and its preparation method and application method

A black ink, oxidative discoloration technology, applied in the field of ink, can solve the problems of increasing the varnishing process, increasing the production cost, affecting the bronzing effect, etc., and achieving the effect of shortening the production time, saving the production cost, and having a good bronzing effect.

Active Publication Date: 2018-08-24
茂名阪田油墨有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, this method of avoiding oxidative discoloration after bronzing processing of printed matter has the following disadvantages: (1) the varnish process is increased, which increases production time and production cost; (2) if using The different types of varnish and the thickness of the coating will also affect the final bronzing effect

Method used

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  • Black ink for preventing oxidative discoloration of bronzing and its preparation method and application method
  • Black ink for preventing oxidative discoloration of bronzing and its preparation method and application method
  • Black ink for preventing oxidative discoloration of bronzing and its preparation method and application method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A black ink for preventing oxidative discoloration of bronzing, consisting of the following components by weight percentage:

[0044] Yellow ink 18%

[0045] Red ink 42%

[0046] Blue ink 30%

[0047] Shoots Light Blue 10%.

[0048] The preparation method of the above-mentioned black ink for preventing oxidative discoloration of bronzing comprises uniformly mixing the yellow ink, red ink, blue ink and light blue in the formula to prepare the black ink for preventing oxidative discoloration of bronzing.

[0049] The above method of applying the black ink for preventing oxidative discoloration of bronzing, when the black ink for preventing oxidative discoloration of bronzing is applied to printing, three overlapping printings are performed, that is, the requirements for concentration and blackness effect can be met.

[0050] A black ink for preventing oxidative discoloration of bronzing in this embodiment is a black ink prepared by blending yellow ink, red ink, blue in...

Embodiment 2

[0052] A black ink for preventing oxidative discoloration of bronzing, consisting of the following components by weight percentage:

[0053] Yellow Ink 20%

[0054] Red Ink 40%

[0055] Blue ink 30%

[0056] Shoots Light Blue 10%.

[0057] The preparation method of the above-mentioned black ink for preventing oxidative discoloration of bronzing comprises uniformly mixing yellow ink, red ink, blue ink and light blue at normal temperature to prepare the black ink for preventing oxidative discoloration of bronzing.

[0058] The application method of the above-mentioned black ink for preventing oxidative discoloration of bronzing, when the black ink for preventing oxidative discoloration of bronzing is applied to printing, four overlapping printings are carried out, which can meet the concentration requirements and blackness effect requirements.

[0059]A black ink for preventing oxidative discoloration of bronzing in this embodiment is a black ink prepared by blending yellow i...

Embodiment 3

[0061] A black ink for preventing oxidative discoloration of bronzing, consisting of the following components by weight percentage:

[0062] Yellow Ink 15%

[0063] Red Ink 45%

[0064] Blue Ink 35%

[0065] Shoots Light Blue 5%.

[0066] The preparation method of the above-mentioned black ink for preventing oxidative discoloration of bronzing comprises uniformly mixing the yellow ink, red ink, blue ink and light blue in the formula to prepare the black ink for preventing oxidative discoloration of bronzing.

[0067] The application method of the above-mentioned black ink for preventing oxidative discoloration of bronzing, when the black ink for preventing oxidative discoloration of bronzing is applied to printing, five overlapping printings are carried out, that is, the requirements for concentration and blackness effect can be met.

[0068] A black ink for preventing oxidative discoloration of bronzing in this embodiment is a black ink prepared by blending yellow ink, red...

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Abstract

The invention relates to the technical field of ink and in particular relates to black ink capable of preventing oxidizing discoloration after gilding as well as a preparation method and application method thereof. The black ink capable of preventing oxidizing discoloration after gilding is prepared by uniformly mixing yellow ink, red ink, blue ink and reflex blue. When the black ink capable of preventing oxidizing discoloration after gilding is applied to printing, the concentration requirement and the blackness effect requirement can be met by carrying out overlapped printing several times. The black ink capable of preventing oxidizing discoloration after gilding is prepared by mixing the yellow ink, the red ink, the blue ink and reflex blue, and thus, meets the requirement that carbon black is not contained, has the effect of furthest solving the problem in the prior art that oxidizing discoloration is caused by contact between the black ink containing carbon black and gilding materials, and has the advantage of good gilding effects.

Description

technical field [0001] The invention relates to the technical field of inks, in particular to a black ink for preventing oxidation and discoloration of bronzing, a preparation method and an application method thereof. Background technique [0002] In order to improve the texture of the printed matter, various surface treatments or bronzing processes are generally performed on the surface of the printed matter. Under normal circumstances, yellow, red, and blue inks can be directly stamped after printing. However, if there is black in the printed graphic color, there will often be a problem of oxidative discoloration after stamping. If you encounter direct hot stamping on black monochrome dots or solid graphic parts, the problem of oxidative discoloration will be more serious. Because offset printing black inks generally use carbon black as the coloring material, but due to the structure or composition of carbon black and bronzing materials are prone to oxidation, so bronzing...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/02C09D11/037
CPCC09D11/02C09D11/037
Inventor 吴国蓬永沼孝介
Owner 茂名阪田油墨有限公司
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