发明授权
US5498505A Dye fixing element 失效
染料固定元件

Dye fixing element
摘要:
A dye fixing element comprising a polymer mordant, said polymer mordant containing at least one monomeric unit including at least one group derived from the class of tertiary amines, thioethers, aromatic 5-membered heterocyclic rings, hydrazides, hydrazones and polyarylphenols, and at least one quaternary ammonium group.
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