Systematic Analytical Method of Wool Mothproofing Agents

Kaniwa, Masa-aki; KOJIMA, SHIGEO; Nakamura, Akitada; SATO, YOKO

doi:10.1248/jhs1956.25.80

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“…In many cases these degradation studies have focussed upon the photostabilities of the FWAs in solution, and in some cases the stability was related to structure [7-121. It has been reported that some pyrazoline FWAs which show varying degrees of photostability in aqueous solution also show a similar structure-reactivity relationship when applied to wool [6]. Surprisingly wool treated with pyrazolines (which exhibit differing photostabilities) photoyellows at a rate that is independent of the type of pyrazoline used.…”

Section: Introductionmentioning

confidence: 99%

Determination of the Mothproofing Agents Eulan WA New, Eulan U33 and Mitin FF High Cone on Wool and Wool Blends Using U.v. Spectrophotometry

George

1985

Journal of the Society of Dyers and Colourists

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A method has been developed for the identification and determination of Eulan WA New (or Eulan U33) and Mitin FF High Cone, used as mothproofing agents on wool and wool blends. The mothproofing agent used is separated by solvent extraction from a sodium hydroxide solution of the wool and determined by u.v. spectrophotometry. The possibility of interfering impurities should not be overlooked. Such interferences have rarely been encountered in the author's laboratory, but can be detected by comparison of curve shapes.

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Section: Introductionmentioning

confidence: 99%