Water-based evaporation drying type gravure ink composition applicable to multiple base materials
A technology of volatilizing drying, gravure ink, applied in the direction of ink, application, household appliances, etc., can solve the problems of high energy consumption of screen ink, endangering the health of operators, injury to operators, etc., to solve the problems of stability and ink drying performance Inadequate aspects, beneficial effects on human health and environmental safety
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[0025] Example 1
[0026] The formula is shown in the table below, and the component amounts are all in weight percentage.
[0027]
[0028]
[0029] Preparation method: First, stir and disperse acrylic emulsion and polyurethane emulsion, thickener and defoamer to prepare pre-emulsion, then add pearlescent pigment, dispersant, leveling agent, solvent, water, stir and disperse, add curing agent Bayhydur before use 304, stir and disperse, ready to use.
[0030] The prepared water-based pearlescent gravure ink has a viscosity of 21s (25°C, 2# Chai's cup).
[0031] Use this ink to use white cardboard as the base material, the last color of the ten-color gravure printing machine for printing, the printing speed is 60m / min, the stability of the ink machine is good, the ink dries quickly, and the printed product has clear patterns. The printed product adopts the national standard GBT7707- In 2008 "Gravure Decoration Prints" tested the ink layer fastness, and the results are as follows:
[00...
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[0041] Example 2
[0042] The formula is shown in the table below, and the component amounts are all in weight percentage.
[0043]
[0044] Preparation method: first stir and disperse acrylic emulsion and polyurethane emulsion, thickener and defoamer into pre-emulsion, then add pearlescent pigment, dispersant, leveling agent, solvent, water, stir and disperse, add curing agent Basonat before use HW 180PC, stir and disperse, ready to use.
[0045] The prepared water-based pearlescent gravure ink has a viscosity of 22s (25°C, 2# Chai's cup).
[0046] Use this ink to use PET as the base material, a monochrome gravure press for printing, the printing speed is 60m / min, the stability of the ink machine is good, the ink dries quickly, and the print pattern is clear. The print uses the national standard GBT7707-2008 "Gravure Decoration" Printed matter" Ink layer fastness test, the results are as follows:
[0047] Bonding fastness: the ink layer peeling area is less than 1.0%.
[0048] The phy...
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