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Some Effects of the Contamination of Hercosett Solutions by Sodium Sulphite during Commercial Chlorine‐Hercosett Shrinkproofing Processes for Wool
Author(s) -
COCKETT K.R.F.,
JACKSON J.,
LEWIS J.
Publication year - 1978
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.1478-4408.1978.tb03394.x
Subject(s) - wool , chlorine , dyeing , contamination , chemistry , cationic polymerization , sodium , pulp and paper industry , inorganic chemistry , environmental chemistry , polymer chemistry , materials science , organic chemistry , composite material , ecology , engineering , biology
During the commercial operation of chlorine‐Hercosett processes, some contamination of the resin solution by sodium sulphite takes place. The progressive reaction between Hercosett 57 and sodium sulphite can cause differential‐dyeing effects and inadequate shrink‐proofing of treated wool. These effects are attributable to a conversion of the cationic sites in the resin to anionic sites. Methods of preventing the development of these problems are described, as are techniques for ameliorating these effects on inadequately‐processed wool.