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US07776146B2 Solventless universal colorants 有权
无溶剂通用着色剂

Solventless universal colorants
摘要:
A method of preparing a universal base composition disclosed which consists of milling a pigment in a resin that is soluble in both water and organic solvent and wherein the resin contains both hydrophobic and hydrophilic monomers such that the total weight of the hydrophobic and hydrophilic monomers is at least about 20% of the total weight of the resin and the weight ratio of hydrophobic monomers to hydrophilic monomers is from about ⅕ to about 5.
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