In a preferred embodiment, the ionically charged pigment has sufficient ionizable groups to maintain the colloidal stability of the pigment in the ink composition.
在首选的体现，离子键有足够的费用色素离子化基团，以保持在颜料墨水组成的胶体稳定性。
In a preferred embodiment, the ionically charged pigment has sufficient ionizable groups to maintain the colloidal stability of the pigment in the ink composition.
在首选的体现，离子键有足够的费用色素离子化基团，以保持在颜料墨水组成的胶体稳定性。
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