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Reactive Dyes and Resin‐treated Wool — Keys to the Attainment of Superwash Standards
Author(s) -
COCKETT KEITH R. F.,
LEWIS DAVID M.
Publication year - 1976
Publication title -
journal of the society of dyers and colourists
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.297
H-Index - 49
eISSN - 1478-4408
pISSN - 0037-9859
DOI - 10.1111/j.1478-4408.1976.tb03281.x
Subject(s) - dyeing , wool , pulp and paper industry , process engineering , chemistry , polymer science , materials science , composite material , organic chemistry , engineering
The importance of control in the application of the water‐soluble polymer, Hercosett 57, to prechlorin‐ated wool tops and garments, is stressed with special reference to its effect on washability and subsequent dyeing operations. Reactive dyes play a vital role in achieving adequate colour fastness to meet machine‐washable specifications and this paper pays special attention to problems of wet fastness encountered with full‐depth dyeings produced with these dyes. In order to overcome these problems, both the dyeing operation and the after‐treatment stage have been closely studied. A novel after‐treatment is proposed as being more effective than the usual dilute ammonia method. Both high‐temperature dyeing and low‐temperature dyeing are discussed, the former method showing advantages in the case of full‐depth dyeings and the latter in the case of pale‐depth dyeings.