Double-chromophoric-body pH color-changing reactive dye as well as preparation and application thereof
The invention discloses a double-chromophoric-body pH color-changing reactive dye as well as preparation and application thereof, and belongs to the technical field of fine chemical engineering. According to the invention, heterocyclic ring primary amine is used as a diazo component, a compound cont...
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| creator | ZHOU MAN GUO MINGSHUAI MA WUJUN WANG CHUANFENG ZHANG JUN LI MIN QIAO RUIZE |
| description | The invention discloses a double-chromophoric-body pH color-changing reactive dye as well as preparation and application thereof, and belongs to the technical field of fine chemical engineering. According to the invention, heterocyclic ring primary amine is used as a diazo component, a compound containing s-triazinyl as an active group is used as a coupling component, and ethylenediamine is used as a bridge group, so that the pH color-changing dye with double color bodies is prepared. According to the invention, a nucleophilic substitution reaction is carried out between s-triazine and hydroxyl in a textile structure, so that a pH color-changing matrix is covalently bonded into a fiber chemical structure, and the size of a conjugated system and an electron delocalization range of the dye are changed by utilizing a reversible isomerization reaction of the hydroxyl and the diazo at adjacent positions of the diazo under different pH regulation; the reversible change of the color light of the dye is realized. In |
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According to the invention, heterocyclic ring primary amine is used as a diazo component, a compound containing s-triazinyl as an active group is used as a coupling component, and ethylenediamine is used as a bridge group, so that the pH color-changing dye with double color bodies is prepared. According to the invention, a nucleophilic substitution reaction is carried out between s-triazine and hydroxyl in a textile structure, so that a pH color-changing matrix is covalently bonded into a fiber chemical structure, and the size of a conjugated system and an electron delocalization range of the dye are changed by utilizing a reversible isomerization reaction of the hydroxyl and the diazo at adjacent positions of the diazo under different pH regulation; the reversible change of the color light of the dye is realized. 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According to the invention, heterocyclic ring primary amine is used as a diazo component, a compound containing s-triazinyl as an active group is used as a coupling component, and ethylenediamine is used as a bridge group, so that the pH color-changing dye with double color bodies is prepared. According to the invention, a nucleophilic substitution reaction is carried out between s-triazine and hydroxyl in a textile structure, so that a pH color-changing matrix is covalently bonded into a fiber chemical structure, and the size of a conjugated system and an electron delocalization range of the dye are changed by utilizing a reversible isomerization reaction of the hydroxyl and the diazo at adjacent positions of the diazo under different pH regulation; the reversible change of the color light of the dye is realized. 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According to the invention, heterocyclic ring primary amine is used as a diazo component, a compound containing s-triazinyl as an active group is used as a coupling component, and ethylenediamine is used as a bridge group, so that the pH color-changing dye with double color bodies is prepared. According to the invention, a nucleophilic substitution reaction is carried out between s-triazine and hydroxyl in a textile structure, so that a pH color-changing matrix is covalently bonded into a fiber chemical structure, and the size of a conjugated system and an electron delocalization range of the dye are changed by utilizing a reversible isomerization reaction of the hydroxyl and the diazo at adjacent positions of the diazo under different pH regulation; the reversible change of the color light of the dye is realized. In</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM DYEING OR PRINTING TEXTILES DYES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LAKES LAUNDERING MEASURING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PHYSICS POLISHES TESTING TEXTILES TREATMENT OF TEXTILES OR THE LIKE |
| title | Double-chromophoric-body pH color-changing reactive dye as well as preparation and application thereof |
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