Naphtholactam-(1,8) basic dyestuffs
专利汇可以提供Naphtholactam-(1,8) basic dyestuffs专利检索，专利查询，专利分析的服务。并且ARE SUITABLE FOR THE DYEING, PRINTING AND BULK DYEING OF SYNTHETIC AND SEMISYNTHETIC MATERIALS ESPECIALLY POLYAMIDES, ACETATE RAYON AND ACID MODIFIED POLYESTERS, LEATHER, COCOA FIBERS, PAPER AND JUTE, FOR THE PRODUCTION OF INKS AND PASTE FOR BALL POINT PENS, FOR USE IN OFFSET PRINTING, FOR USE IN DYEING, PRINTING AND BULK DYEING MATERIALS WHICH COMPLETELY OR PREDOMINATELY CONSIST OF POLYMERIZED ACRYLONITRILE AND OR VINYLIDENE CYANIDE, THE DYEINGS AND PRINTS ON THE LAST MENTIONED MATERIALS ARE CHARACTERIZED BY OUTSTANDING FASTNESS PROPERTIES, ESPECIALLY FASTNESS TO LIGHT, WET PROCESSING, CROSS DYEING, DECATIZING, SUBLIMATION, EXHAUST FUMES AND RUBBING. The dyestuffs are readily soluble, they yield deep dyeings, due to their high yield and very good drawing power and they do not soil wool. In the formula given above A denotes the residual members of a heterocyclic five or six membered ring to which further rings may be annelated, R is hydrogen, alkyl aralkyl, cycloalkyl or aryl, and R may also be linked to A or to another ring which is annelated to the ring containing A, R1 is hydrogen, alkyl, aralkyl, cycloalkyl or aryl and R1 may also be linked to B or B1, and X is an anion.
Basic dyestuffs of the formula，下面是Naphtholactam-(1,8) basic dyestuffs专利的具体信息内容。
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