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    MODIFICATIONS OF MIXTURES OF AZO DYESTUFFS STABLE UNDER DYEING CONDITIONS
    21.
    发明专利
    MODIFICATIONS OF MIXTURES OF AZO DYESTUFFS STABLE UNDER DYEING CONDITIONS 未知

    公开(公告)号：CA1110011A

    公开(公告)日：1981-10-06

    申请号：CA287268

    申请日：1977-09-22

    Applicant: HOECHST AG

    Inventor： DEUCKER WALTER ,  KRUSE HUBERT ,  SOMMER KARL

    IPC: C09B67/48 ,  C09B67/00 ,  C09B67/22 ,  D06P1/02

    Abstract: MODIFICATIONS OF MIXTURES OF AZO DYESTUFFS STABLE UNDER DYEING CONDITIONS of the disclosure Novel modifications being stable under dyeing conditions of monoazo-dyestuffs obtained by coupling 1 mole of diazotized 2-cyan-4-nitro-aniline with 1 mole of a mixture of the coupling components N-n-butyl-N-cyanethyl-aniline (A) and N-ethyl-N-cyanethyl-aniline (B) in a molar ratio of from 50 : 50 to 20 : 80 of A : B, and subsequently treating the formed products each consisting of the dyestuffs of the formulae anda) by heating in an aqueous suspension to a temperature between 90 and 150 .degree.C, orb) by heating in an organic solvent to a temperature between 90 and 150 .degree.C, orc) by grinding at a temperature between 90 and 100 .degree.C, ord) by drying from aqueous-moist state at a temperature between 100 and 120 .degree.C4 the novel modifications representing disperse dyes being suitable for the dyeing of fibrous materials of cellulosic esters or of synthetic linear polyesters.

    22.
    发明专利
    未知

    公开(公告)号：MX143085A

    公开(公告)日：1981-03-13

    申请号：MX16460976

    申请日：1976-05-07

    Applicant: HOECHST AG

    Inventor： KRUSE HUBERT ,  SOMMER KARL

    IPC: C09B67/26 ,  C09B29/08 ,  C09B67/00 ,  C09B67/48 ,  C09B29/00

    Abstract: The modification being stable under dyeing conditions of the dyestuff of the formula characterized by an X-ray diffraction diagram with characteristic reflexes at the following glance angles theta with the relative intensities as given below: }[o] 2.45 6.30 10.07 11.00 11.35 11.70 12.36 13.55 14.80 15.85 }63 100 30 48 83 88 86 59 52 34 } SAID MODIFICATION IN THE FORM OF A LIQUID OR SOLID DYEING PREPARATION BEING SUITABLE FOR THE DYEING OF FIBROUS MATERIALS CONSISTING OF CELLULOSE ESTERS OR SYNTHETIC LINEAR POLYESTERS.

    PROCESS FOR DYEING SYNTHETIC FIBROUS MATERIALS FROM ORGANIC SOLVENTS
    23.
    发明专利
    PROCESS FOR DYEING SYNTHETIC FIBROUS MATERIALS FROM ORGANIC SOLVENTS 未知

    公开(公告)号：CA1050709A

    公开(公告)日：1979-03-20

    申请号：CA201939

    申请日：1974-06-07

    Applicant: HOECHST AG

    Inventor： BIRKE WALTER ,  SCHOEN FRANZ ,  STECKELBERG WILLI ,  SOMMER KARL

    IPC: D06P1/90 ,  C09B29/08 ,  D06P1/18 ,  D06P1/02

    Abstract: PROCESS FOR DYEING SYNTHETIC FIBROUS MATERIALS FROM ORGANIC SOLVENTS Process for the continuous dyeing of textile materials which consist of, or contain synthetic fibres from organic solvents, wherein the said textile materials are impregnated with an organic dyeing liquor which contains at least one dyestuff of the formula in which R represents alkyl from 1 to 8 carbon atoms, X1 and X2 each represents hydrogen, chlorine, bromine, lower alkyl, lower alkoxy, trifluoromethyl or nitro, R1 represents hydrogen, chlorine, bromine, alkyl from 1 to 4 carbon atoms, alkoxy from 1 to 4 carbon atoms, R2 represents hydrogen, chlorine, bromine, alkyl from 1 to 4 carbon atoms, alkoxy from 1 to 4 carbon atoms, acetylamino or benzoylamino, R3 and R4 each represents hydrogen, alkyl, hydroxyalkyl, cyanoalkyl, alkoxyalkyl, alkylcarbonylalkyl, alkylcarbonyl-hydroxyalkyl, alkoxycarbonylalkyl, phenyl or phenylalkyl, alkyl and alkoxy each containing from 1 to 4 carbon atoms, and subsequently exposed to a heat treatment.

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