C:Corrosive;83574-63-4Relevant articles and documents
Active dark blue dyestuff and preparation method of active dark blue dyestuff
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Paragraph 0076; 0077; 0078, (2017/08/29)
The invention discloses an active dark blue dyestuff and a preparation method of the active dark blue dyestuff. The active dark blue dyestuff has a structure shown as a formula (I). Compared with the prior art, the active dark blue dyestuff monomeric compound disclosed by the invention has a novel structure and excellent performances, and has good color fastness and high color fixation ratio; the dyestuff is stable, has good washing resistance, friction resistance and sunlight fastness and is stably combined with fibers; a finished product has excellent brightness and is suitable for large-scale popularization and application. (The formula (I) is shown as the description.).
Reactive polysaccharide derivatives, their preparation and their use
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, (2008/06/13)
A reactive polysaccharide derivative of formula (1a) or (1b), in which A is —O—, —S— or (1c), Q1 is hydrogen, the radical —B—A—Z, C1-C10aryl which is unsubstituted or substituted, C1-C12alkyl which may be interrupted by oxygen and is unsubstituted or substituted, Q2 and Q3 are each independently of the other hydrogen, C1-C12aryl which is unsubstituted or substituted, C1-C12alkyl which may be interrupted by oxygen and is unsubstituted or substituted, B is an aliphatic or aromatic bridge member, Z1 and Z2 are each independently of the other a reactive radical of the vinylsulfonyl series, the haloacryloyl series or the heterocyclic series, PS is a polysaccharide radical, m is 0, 1 or an integer greater than 1, n is 1 or an integer greater than 1, and the sum of n+m corresponds to the original number of hydroxy groups in the polysaccharide molecule, is useful as a finishing agent for textile fibers and for other applications.
