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|Title:||Evaluation of permethrin in industrial application on wool against Tinea translucens and Anthrenus flavipes|
Rao, K M
|Keywords:||Anthrenus flavipes;Permethrin;Tinea translucens;Wool fabric|
|Abstract:||The effectiveness of permethrin in industrial applications on wool was studied against the larvae of Tinea translucens Meyrick (the tropical case-making clothes moth) and Anthrenus flavipes Le Conte (the furniture carpet beetle). Permethrin at 0.1% (on wool weight) was applied on fabrics at the dyeing and last scouring stages, and on wool tops at the dyeing stage in two woollen mills. Permethrin- treated fabrics were found insectproof after 10 hand/machine washings or 10 drycleanings or 28 days of sunlight exposure. But fabrics treated at 50-55°C and 70-75°C in the last scouring stage were not found insectproof after 10 drycleanings and 20 hand washings respectively. The treatment at higher temperatures (above 60°C) showed better exhaustion and fastness of permethrin on the fabrics. About 1.5-10.5% of applied permethrin was lost in three and a half years storage in various climatic conditions of the country. The maximum loss of permethrin occurred in hot and high humid places. The treated fabrics and garments were found safe to the users.|
|ISSN:||0975-1025 (Online); 0971-0426 (Print)|
|Appears in Collections:||IJFTR Vol.18(1) [March 1993]|
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