Novel HS white gravure ink

A gravure ink, white technology, applied in the field of printing ink, can solve problems such as rough touch and affect product clarity, and achieve the effect of reducing the number of layers, increasing the scope of use, and saving engineering

Inactive Publication Date: 2013-01-23
SHANGHAI SHENYUE INK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Recently, with the trend of high-speed gravure printing machines, such demand is also increasing. Based on the printing speed of 200m / minxq, the untransferred ink is about 20% to 25%, and 100m / minxq is about 20% to 30%. %, at 50m / min, about 30% to 35% of the untransferred ink will remain in the unit. According to the telecentric force, it is possible to increase the maximum transfer degree with high solidity and low viscosity ink. The ink is printed during printing The coating is used to express the color and the direct effect involved. The glue is used to maintain the adhesion between the transferred and printed coating on the upper part of the ink coating during printing. Existing products need to be additionally coated with glue on the ink, so it involves Items such as cost and engineering, in addition, the number of layers on the transfer body will affect the clarity of the product, and it will be very rough to the touch

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0007] This specific embodiment adopts the following technical scheme: its formula consists of: synthetic wax 18-23%, black pigment 7-12%, additive 1-2%, alcohol 1-2%, vinyl acetate 3-8%, methyl ketene 25-30%, toluene 33-38%.

[0008] Its preparation process is: based on the combination of the finished product, calculate the required amount of raw materials and tell the person in charge of the on-site operation. , pigments, additives, colorants and other materials to confirm the amount, the volatility of solvents (alcohol, toluene) is relatively strong, so to ensure that the usual amount of 1.01 to 1.03 times, (the ratio depends on the amount required and the product The characteristics are different) The reason for securing the solvent (alcohol, toluene) in advance is to avoid the troublesomeness of re-stirring when replenishing the solvent (alcohol, toluene) after production, and the remaining amount is stored in a jar with the same ratio of Sinner hours Use together, cover...

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PUM

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Abstract

The invention discloses novel HS white gravure ink. The novel HS white gravure ink relates to the field of printing ink. The novel HS white gravure ink comprises: 18 to 23% of synthetic wax, 7 to 12% of a black pigment, 1 to 2% of an additive, 1 to 2% of alcohol, 3 to 8% of vinyl acetate, 25 to 30% of methyl vinyl ketone and 33 to 38% of toluene. The novel HS white gravure ink can be prepared into sticky ink after being attached with a heat-sealing material, saves processes, reduces the number of product layers, has a downy tactility and broadens a use range.

Description

Technical field: [0001] The invention relates to the field of printing inks, in particular to a novel HS white gravure ink. Background technique: [0002] A few days ago, the gravure inks sold on the market basically need release agent, ink, and glue; the gravure ink is how to invigorate the characteristics of the cylinder, and only the coating of 5-7μ and about 40μ thick ink can be used to become a good one. Therefore, it is necessary to maintain solidity (about 50% to 55%) and adhesion (about 15 to 40 seconds for No. 4 cup) to become an ink with good viscosity. Recently, with the trend of high-speed gravure printing machines, such demand is also increasing. Based on the printing speed of 200m / minxq, the untransferred ink is about 20% to 25%, and 100m / minxq is about 20% to 30%. %, at 50m / min, about 30% to 35% of the untransferred ink will remain in the unit. According to the telecentric force, it is possible to increase the maximum transfer degree with high solidity and lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/12
Inventor 李建平
Owner SHANGHAI SHENYUE INK
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