Described are dye fixative agents, comprising an ether compound, including salts, of Formula I: wherein, R
1
is, independently at each occurrence, C1-C6 alkyl; R
2
and R
3
, are, independently at each occurrence, optionally substituted C6 alkyl; and X is, independently at each occurrence, CI, Br, or I.
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染料固定剂,包括公式I中的醚化合物,包括盐,其中,R1在每次出现时独立地为C1-C6烷基;R2和R3在每次出现时独立地为可选取代的C6烷基;X在每次出现时独立地为CI,Br或I。