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Chromo board paint special for electrostatic printing and application thereof

A technology of electrostatic printing and copper plate card, applied in the direction of paper coating, coating, pigmented coating, etc., can solve the problems of low resistance performance, blurred printing dots, poor printing effect, etc., and achieve good printing effect, clear dots, Effect of Improving Resistance Performance

Inactive Publication Date: 2016-11-16
GOLD HUASHENG PAPER SUZHOU IND PARK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the electrostatic printing process of the existing copper plate jam paper, the resistance performance is not high, the printing dots are blurred, and the printing effect is poor

Method used

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  • Chromo board paint special for electrostatic printing and application thereof
  • Chromo board paint special for electrostatic printing and application thereof
  • Chromo board paint special for electrostatic printing and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A copperplate card coating for electrostatic printing, the raw materials according to the mass parts are as follows: 70 parts of ground calcium carbonate, 30 parts of china clay, 12 parts of styrene-butadiene latex, 0.01 part of polyethylene glycol, sodium carboxymethyl cellulose 0.02 parts, 0.02 parts of sodium hexametaphosphate; 0.02 parts of isothiazolinone, 0.15 parts of sodium hydroxide, 1.5 parts of stilbene, and 1 part of butylene terephthalate.

[0033] According to the above ratio, add each material in order, and after high-speed dispersion, a uniformly dispersed coating can be obtained. at 178g / m 2 Both sides of the copper plate base paper are coated, and the coating amount on one side is 15g / m 2 . The control of coating on both sides is basically the same, and the error range is controlled within 0-10%.

[0034] After coating, it is dried and calendered with a super calender to ensure the characteristics of bulk, smoothness and gloss. Carry out key physic...

Embodiment 2

[0036] A copperplate card coating for electrostatic printing, the raw materials according to the mass parts are as follows: 70 parts of ground calcium carbonate, 30 parts of china clay, 12 parts of styrene-butadiene latex, 0.01 part of polyethylene glycol, sodium carboxymethyl cellulose 0.02 parts, sodium hexametaphosphate 0.02 parts; isothiazolinone 0.02 parts, sodium hydroxide 0.15 parts, stilbene 2 parts, butylene terephthalate 2.5 parts.

[0037] According to the above ratio, add each material in order, and after high-speed dispersion, a uniformly dispersed coating can be obtained. at 178g / m 2 Both sides of the copper plate base paper are coated, and the coating amount on one side is 15g / m 2 . The control of coating on both sides is basically the same, and the error range is controlled within 0-10%.

[0038] After coating, it is dried and calendered with a super calender to ensure the characteristics of bulk, smoothness and gloss. And carry out the key physical propert...

Embodiment 3

[0040] A copperplate card coating for electrostatic printing, the raw materials according to the mass parts are as follows: 50 parts of ground calcium carbonate, 50 parts of china clay, 12 parts of styrene-butadiene latex, 0.01 part of polyethylene glycol, sodium carboxymethyl cellulose 0.02 parts, sodium hexametaphosphate 0.02 parts; isothiazolinone 0.02 parts, sodium hydroxide 0.15 parts, stilbene 2.5 parts, isophthalic acid 5 parts.

[0041] According to the above ratio, add each material in order, and after high-speed dispersion, a uniformly dispersed coating can be obtained. at 178g / m 2 Both sides of the copper plate base paper are coated, and the coating amount on one side is 15g / m 2 . The control of coating on both sides is basically the same, and the error range is controlled within 0-10%.

[0042] After coating, it is dried and calendered with a super calender to ensure the characteristics of bulk, smoothness and gloss. Carry out key physical property tests, see T...

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Abstract

The invention discloses a special coating for electrostatic printing copper plates, which is composed of the following components by mass: 100 parts of pigment; 10-15 parts of latex; 0.01-2 parts of defoaming agent; 0.01-2 parts of rheological agent; 0.01-2 parts; paper resistance regulator 1-5 parts; whitening agent 0.5-3 parts; fungicide 0.01-2 parts; pH regulator 0.01-3 parts. The present invention forms a high-resistance coating on the surface of the copperplate card through the action of the paper surface resistance regulator in the coating, which not only ensures the original printing properties of the copperplate card, but also improves the resistance performance of the paper coating, so that the paper is in the process of electrostatic printing. The printing effect is good, the color saturation is good, the dots are clear, and the copper cardboard has better quality as a printing cover.

Description

technical field [0001] The invention belongs to the field of papermaking, and in particular relates to a copper plate card coating special for electrostatic printing and its application. Background technique [0002] Art Board is a high-grade printing cardboard made of base paper coated with white paint. It is mainly used for printing the cover of high-end books, color pictures, various exquisite product advertisements, samples, product packaging, trademarks, etc. [0003] The main raw materials of copperplate cards are copperplate base paper and paint. The requirements for coated base paper are uniform thickness, small stretchability, high strength and good water resistance. There must be no spots, wrinkles, holes and other paper defects on the paper surface. The paint used for coating is composed of high-quality white pigments, adhesives and auxiliary additives. At present, the production process of papermaking copper plate card is generally loose pulp, pulp refining, ad...

Claims

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Application Information

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IPC IPC(8): D21H19/38D21H19/40D21H19/44D21H19/58D21H19/56D21H21/12D21H21/36D21H21/06D21H21/30D21H21/14D21H19/84
CPCD21H19/38D21H19/385D21H19/40D21H19/44D21H19/56D21H19/58D21H19/84D21H21/06D21H21/12D21H21/14D21H21/30D21H21/36
Inventor 徐琦陈汉彬李娟
Owner GOLD HUASHENG PAPER SUZHOU IND PARK
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