Scraping ink as well as preparation method and application thereof
A technology of ink and color paste, applied in the field of scraping ink and its preparation, can solve the problems of pollution in the printing process, narrow application range, etc.
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[0052] Example 1
[0053] The present embodiment prepares a squeegee ink, and the squeegee ink comprises the following components in parts by weight:
[0054] Color paste: 80 parts,
[0055] Water-based resin: 50 parts,
[0056] Leveling agent: 0.05 part,
[0057] Defoamer: 0.05 part.
[0058] Wherein, the water-based resin is water-based acrylate or water-based polyurethane.
[0059] The leveling agent is acrylate or modified polydimethylsiloxane.
[0060] Antifoams include silica-containing mineral oil type antifoams.
[0061] The scraping ink also contains an appropriate amount of pH regulator ammonia water, and the pH is adjusted to a pH value of 7 to 8, so that the resin can be stably dispersed in the solution.
[0062] The preparation method of the scraping ink is as follows: in a stirring state, the water-based resin, the leveling agent, the defoaming agent and the pH adjusting agent are added to the color paste in sequence, and the dispersion is uniform. The sti...
Example Embodiment
[0069] Example 2
[0070] The present embodiment prepares a squeegee ink, and the squeegee ink comprises the following components in parts by weight:
[0071] Color paste: 100 parts,
[0072] Water-based resin: 75 parts,
[0073] Leveling agent: 1 part,
[0074] Defoamer: 1 part.
[0075] Wherein, the water-based resin is water-based acrylate or water-based polyurethane.
[0076] The leveling agent is acrylate or modified polydimethylsiloxane.
[0077] Antifoams include silica-containing mineral oil type antifoams.
[0078] The scraping ink also contains an appropriate amount of pH regulator ammonia water, and the pH is adjusted to a pH value of 7 to 8, so that the resin can be stably dispersed in the solution.
[0079] The preparation method of the scraping ink is as follows: in a stirring state, the water-based resin, the leveling agent, the defoaming agent and the pH adjusting agent are added to the color paste in sequence, and the dispersion is uniform. The stirring s...
Example Embodiment
[0086] Example 3
[0087] The present embodiment prepares a squeegee ink, and the squeegee ink comprises the following components in parts by weight:
[0088] Color paste: 120 parts,
[0089] Water-based resin: 100 parts,
[0090] Leveling agent: 2 parts,
[0091] Defoamer: 2 parts.
[0092] Wherein, the water-based resin is water-based acrylate or water-based polyurethane.
[0093] The leveling agent is acrylate or modified polydimethylsiloxane.
[0094] Antifoams include silica-containing mineral oil type antifoams.
[0095] The scraping ink also contains an appropriate amount of pH regulator ammonia water, and the pH is adjusted to a pH value of 7 to 8, so that the resin can be stably dispersed in the solution.
[0096] The preparation method of the scraping ink is as follows: in a stirring state, the water-based resin, the leveling agent, the defoaming agent and the pH adjusting agent are added to the color paste in sequence, and the dispersion is uniform. The stirr...
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