Ink composition, ink set, ink bag, and ink jet recording method

By adding polymerizable compounds, polyolefins and coagulation inhibitors to the ink composition, the problem of insufficient storage stability of the ink bag under high-speed and high-fine printing conditions is solved, and the stability of the ink composition and the anti-blocking effect of the ink jet head are achieved.

CN120603910APending Publication Date: 2025-09-05MAXELL LTD
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Patent Information

Application Number
CN202480011984.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-03-31
Filing Date
2024-03-29
Publication Date
2025-09-05

AI Technical Summary

Technical Problem

In the prior art, when ink bags with plastic film are used under high-speed and high-fine printing conditions, the ink storage stability is insufficient, which may lead to clogging of the ink jet head.

Method used

Using an ink composition containing a polymerizable compound, a polyolefin and a polyolefin coagulation inhibitor, the coagulation inhibitor consists of nanoparticles and/or a polymer dispersant, and the dissolution of the dissolved polyolefin is inhibited by adsorption and dispersion of the dissolved polyolefin.

Benefits of technology

The storage stability of the ink composition is improved, clogging of the inkjet head is prevented, and it is suitable for high-speed and high-definition printing.

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Abstract

The present invention relates to an ink composition comprising a polymerizable compound, a polyolefin, and a condensation inhibitor of the polyolefin.
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