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Factors Affecting the Performance of Insectproofing Agents Applied to Wool During Dyeing
Author(s) -
Mayfield Robert J
Publication year - 1983
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.1478-4408.1983.tb03647.x
Subject(s) - dyeing , wool , levelling , pulp and paper industry , chemistry , ammonia , food science , materials science , composite material , organic chemistry , engineering , cartography , geography
An examination has been made of the influence of dyebath pH and temperature, length of dyeing cycle, presence of levelling agents, and ammonia aftertreatment on the application of the commonly used insectproofing agents applied to wool during dyeing. Formulations based on polychloro‐2‐(chloromethyl‐sulphonamido) diphenyl ethers were significantly less effective when applied at high pH (>5) over long periods of dyeing. The levelling agents examined showed a tendency to retard the uptake of all agents, and an ammonia aftertreatment stripped a significant amount of all insectproofing agents from the wool. These factors, acting alone or in combination, can seriously reduce the level of insect resistance of the treated wool and result in increase in the amount of the insectproofing compounds in the spent dye‐liquors. Ways of overcoming some of these problems are suggested.