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.
通过红外光谱分析了改性多元醇防塌剂的分子结构，证明阳离子化反应引入了正氮基团；
It was proved that the modified PVA has ortho-nitrogen radicals by molecular structure analysis through infrared spectrum.
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