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The article discusses a study which determines the effectiveness of cationic pretreatments on the dyeability of various fibers. It explores the methods of the study, which uses C. I. Acid Red 138 and color strength to assess the effect of the cationic coatings, as well as its influence in coating stability. It notes that the cationic compounds are also used on substrates and applied to plastics to improve scratch resistance as well as anti-fogging properties. The findings of the study reveal the significant role of cationic pretreatments that helps the dye uptake of some fibers. It also mentions the benefits of the aminopropyl triethoxysilane coating for hydrophilic fibers such as cotton.

The article presents a study which determines the effectiveness of the sequential injection analysis (SIA) system for dyebath monitoring system technique developed by the Dye Applications Research Group (DARG) in North Carolina State University in North Carolina. It recalls the development of the SIA technique in 1990, which aims to ease the system design of flow injection analyzers for process control applications, as well as to develop a next-generation dyebath monitoring system capable of performing equivalent to or better than the flow injection analysis (FIA) technique. The study found out that both the SIA and FIA dyebath monitoring techniques have provided consistent results with good correlation coefficients and slopes.

The article discusses the developments in reactive and disperse dyes and their applications which have been designed to support the Controlled Coloration philosophy. Factors that are needed to focus the skills of the dyehouse management team on managing production include the definition of standard operating procedures, defining processing auditing and defining, checking and recording manually or instrumentally all on-line processing parameters. It notes the availability of computer modelling techniques to calculate the structure of speculative organic dyes to cellulose. A chart illustrating the Reactive Dye Compatibility Matrix (RCM) for the Procion H-EXL dyes within the eXceL Controlled Coloration team performance is given.

The article discusses research concerning the effectiveness of the wastewater treatment system being utilized at the Weeks manufacturing plant of Hanes Corporation in Winston-Salem, North Carolina. The said treatment has been developed to remove dissolved organic dyes from wastewaters for possible reuse. Information on the use of dye solutions by the facility is presented. After employing strict quality control with regard to determining the quality of the treated water product, the treatment technique has been proven workable.

The article focuses on the potential removal of metal in dyes used for polyamide dyeing. It indicates that the replacement for the pre-metallized dyes need to present the same high fastness properties. It contends that chrome, a metal primarily used in dyes, is chemically bound in the dyestuff molecule. It mentions the negative effects of common leveling agents auxillariary usage on the dye performance. Perspiration fastness testing reveals that there might be non-bound chrome in certain qualities of metal complex dyes which are then subject to extraction.