Solvent-based inkjet ink
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United States of America Patent
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Oct 10, 2017
Grant Date -
Aug 4, 2016
app pub date -
Oct 2, 2014
filing date -
Oct 2, 2013
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Abstract
The present invention relates to a solvent-based inkjet ink containing at least a pigment, an organic solvent, a binder resin and a dispersant, wherein the dispersant has a weight average molecular weight (Mw) of at least 5,000 but less than 50,000, an acid value (mgKOH/g) of 5 to 20, and an amine value (mgKOH/g) of 5 to 50. The present invention enables a dispersion of low viscosity and good stability to be generated in an extremely short dispersion time, and is able to provide an inkjet ink which forms an ink coating film that suffers no whitening and has superior resistance (abrasion resistance and alcohol resistance).
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