Abstract:
Polyester fibers dyed with a water-insoluble azo dyestuff of the formula
IN WHICH D represents the residue of a diazo component, R1 and R2 each represents an alkyl group that may be substituted and that may be interrupted by an oxygen atom, R3 represents a sixmembered heterocyclic residue and X represents a hydrogen atom or an alkyl, aryl, aryloxy, arylthio or alkyoxy group.
Abstract:
STYRYL DYES CONTAINING A HETEROCYCLIC CARBAMATE GROUP BOUND VIA AN ALKYLAMINO BRIDGE TO THE COUPLING COMPONENT OF THE STYRYL MOIETY. THE DYES ARE PARTICULARLY USEFUL IN THE SO-CALLED THERMOSOL PROCESS.
Abstract:
AN ANTHRAQUINOID DYESTUFF WHICH COMPRISES AT LEAST ONE RESIDUE OF AN ANTHRAQUINOID DISPERSE DYESTUFF AND AT LEAST ONE RESIDUE OF A DISPERSE DYESTUFF OF THE STYRL SERIES.
Abstract:
WATER-INSOLUBLE PERINONES CARRYING AT ONE OF THE PERIPOSITIONS OF THE NAPHTHALENE NUCLEUS A HETEROCYCLIC SUBSTITUENT BOUND VIA A SULFUR, NITROGEN OR OXYGEN ATOM.
IN WHICH D REPRESENTS THE RESIDUE OF A MONOCYCLIC OR BICYCLIC DIAZO COMPONENT, A REPRESENTS AN ARYLENE RESIDUE AND R'' AND R" EACH REPRESENTS AN ALKYL RESIDUE, ARE LINKED TOGETHER VIA THEIR COUPLING COMPONENTS THROUGH A BIFUNCTIONAL BRIDGING GROUP Z WHICH HAS NO DYESTUFF CHARACTERTISTICS AND WHICH CONTAINS AT LEAST ONE QUATERNATED NITROGEN ATOM. THE COMPOUNDS ARE USEFUL FOR DYEING AND PRINTING SYNTHETIC FIBERS, AND PRODUCE INTENSE AND LEVEL DYEINGS POSSESSING GOOD FASTNESS TO LIGHT, WASHING, PERSPIRATION AND SUBLIMATION.
Abstract:
ARE LINKED THROUGH A DIVALENT BRIDGE MEMBER Z, IN WHICH FORMULAE R1, R2 AND R3 EACH REPRESENTS A HYDROGEN ATOM OR PREFERABLY A LOW-MOLECULAR ALKYL GROUP, WHICH MAY BE LINKED WITH THE RESIDUE A1 OR A2 IN THE ORTHO-POSITION TO THE GROUP -NR1R3 OR -NR2R4 TO FORM A RING; R4 REPRESENTS A LOW-MOLECULAR ALKYLENE GROUP; A1 AND A2 EACH REPRESENTS A BENZENE OR NAPHTHALENE RESIDUE. THE DYESTUFFS ARE SUITABLE FOR DYEING AND PRINTING MATERIALS OF ANIMAL ORIGIN, POLYAMIDE FIBERS, POLYURETHANES AND OTHER SUCH MATERIALS. THE DYESTUFFS EXHIBIT EXCELLENT LIGHT AND WET FASTNESS.
(D2-N=N-A2-N(-R2)-R4)-
(D1-N=N-A1(-N(-R1)(-R3))- (II) OR
DISAZO OR POLYAZO DYESTUFFS, IN WHICH TWO OF THE SAME OR DIFFERENT AZO DYESTUFF RESDUES OF THE GENERAL FORMULA
Abstract:
IN WHICH A REPRESENTS THE RADICAL OF A DIAZO COMPONENT, R REPRESENTS AN ALKYL GROUP HAVING AT MOST 4 CARBON ATOMS, OR A HYDROGEN ATOM, R1 REPRESENTS A HYDROGEN ATOM OR AN ALKYL GROUP THAT MAY BE SUBSTITUTED , R3 REPRESENTS A FIVE-MEMBERED HETEROCYCLIC RADICAL WHICH MUST BE SUBSTITUTED WHEN IT REPRESENTS A FURAN RING, AND X REPRESENTS A HYDROGEN ATOM AR AN ALKYL, ALKOXY, ARYLOXY OR ARYLMERCAPTO GROUP ARE USEFUL FOR DYEING POLYESTER FIBERS ORANGE TO VIOLET SHADES OF EXCELLENT FASTNESS TO LIGHT AND SUBLIMATION.
Abstract:
LINEAR POLYESTER FIBERS DYED AND PROCESS FOR DYEING OR PRINTING LINEAR POLYESTER FIBERS WITH A WATER INSOLUBLE AZO DYESTUFF OF THE FORMULA
A-N=N-B-N(-R1)-R2
IN WHICH A REPRESENTS A THIAZOLE, BENZTHIAZOLE OR THIADIAZOLE RADICAL BOUND IN THE 2-POSITION TO THE AZO GROUP OR A BENZENE RADICAL WHICH MBY BE SUBSTITUTED, R1 DENOTES AN ALKYL GROUP WHICH MAY BE SUBSTITUTED AND R2 DENOTES A RESIDUE OF THE FORMULA-ALKYLENE-OCOR3, IN WHICH R3 REPRESENTS A RESIDUE WHICH CONTAINS A NITROGEN-CONTAINING 6-MEMBERED RING.