摘要:
3-HYDROXY-QUINOPHTHALONE DYESTUFFS SUBSTITUTED IN THE 4-POSITION BY AN ETHER OR THIOETHER GROUP, AND A PROCESS FOR PREPARING THEM. SAID DYESTUFFS YIELD ON SYNTHETIC FIBROUS MATERIALS, ESPICIALLY THOSE FROM POLYEHYLENE TEREPHTHALATES, YELLOW DYEINGS HAVING GOOD FASTNESS TO LIGHT, WET PROCESSING AND SOLVENTS AND A REMARKABLY GOOD FASTNESS TO THERMOFIXATION AND IRONING.
摘要:
3-HYDROXY-QUINOPHTHALONE DYESTUFFS SUBSTITUTED IN THE 4-POSITION BY A SULFONE GROUP, AND A PROCESS FOR PREPARING THEM. SAID DYESTUFFS YIELDS ON SYNTHETIC FIBROUS MATERIALS, ESPECIALLY THOSE FROM POLYETHYLENE TREPHTHALATES, YELLOW DYEINGS HAVING GOOD FASTNESS TO LIGHT, WET PROCESSING AND SOLVENT AND A REMARKABLY GOOD FASTNESS TO THERMOFIXATION AND IRONING.
IN WHICH THE ONE X IS HYDROXY AND THE OTHER X IS NITRO OR AMINO OR ALKYLAMINO OPTIONALLY SUBSTITUTED BY HALOGEN, HYDROXY, ALKOXY, OR CYANO, R IS FLUORINE OR ALKYL OPTIONALLY SUBSTITUTED BY FLUORINE AND/OR CHLORINE, AND Y IS HYDROGEN, HALOGEN, ALKYL OR ALKOXY OPTIONALLY SUBSTITUTED BY FLUORINE OR HYDROXY, THE DYESTUFFS BEING SUITABLE FOR DYEING, COLORING OR PRINTING POLYESTER MATERIAL.