Method for printing double smooth surfaces at one time and matting agent for printing ink

A printing method and technology of matting powder, applied in printing, ink, application and other directions, can solve the problems of insufficient appearance of packaging products, rough surface of printed matter, low contrast, etc., to achieve remarkable printing effect, shorten production cycle and save time. Effect

Active Publication Date: 2012-09-26
JIANGSU JIN JIA NEW PACKAGING MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen from the above printing process that the existing technology needs to go through two printing processes, the production cycle is long and the efficiency is low
To obtain this dual printing effect, the matting powder used is generally a mixture of industrial paraffin and ultrafine silica, and the

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Preparation of matting powder (the following raw materials are parts by weight): Take polyethylene paraffin wax 90, hydrogenated castor oil 2, and polyacrylamide 0.5, which have been dispersed into a fluffy shape, and mix them uniformly in a high-speed mixer to obtain a matting powder.

[0017] The gravure printing equipment in this embodiment is made in Italy: Cerudy 10+1 in-line composite transfer gravure printing machine. The double-gloss printing method of the present invention comprises the following steps: mixing the gravure ink and the matting powder evenly in a ratio of 10:3 by weight, and then using the mixed matte gravure ink on the base material Print the matte pattern on the part where the matte effect is obtained, and then use the gravure ink without matting powder to print the glossy pattern on the part where the glossy effect needs to be obtained on the substrate.

[0018] Tested with a matte gloss of 50%.

Embodiment 2

[0020] Preparation of matting powder (the following raw materials are parts by weight): Take polyethylene paraffin wax 93, hydrogenated castor oil 3, and polyacrylamide 0.7, which have been beaten into a fluffy shape, and mix them uniformly in a high-speed mixer to obtain a matting powder. All the other implementations are as in Example 1.

[0021] Matte gloss was tested at 55%.

Embodiment 3

[0023] Preparation of matting powder (the following raw materials are parts by weight): Take polyethylene paraffin wax 95, hydrogenated castor oil 4, and polyacrylamide 1, which have been beaten into a fluffy shape, and mix them uniformly in a high-speed mixer to obtain a matting powder. All the other implementations are as in Example 1.

[0024] Matte gloss was 57% as tested.

[0025] The matting powder of the present invention can be used for gravure printing ink, and is also suitable for offset printing ink.

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PUM

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Abstract

The invention discloses a method for printing double smooth surfaces at one time and a matting agent for printing ink. The matting agent is prepared from the following raw materials in part by weight: 90 to 95 parts of polyethylene paraffin scattered in a fluffy state, 2 to 4 parts of hydrogenated castor oil and 0.4 to 1 part of polyacrylamide. The preparation method comprises the following step of uniformly mixing the three substances in a high speed mixer. The method for printing double smooth surfaces at one time comprises the following steps: uniformly mixing gravure ink and the matting agent in a ratio of 1:(2-4); printing matted patterns on parts of a base material requiring a matting effect through gravure equipment by using the mixed matting gravure ink; and printing bright patterns on parts of the base material requiring a bright effect by using gravure ink without the matting agent, or reversing the sequence to achieve the same effect.

Description

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Claims

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Application Information

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Owner JIANGSU JIN JIA NEW PACKAGING MATERIALS CO LTD
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