Abstract
The protection against microbiological attack and actinic degradation given to cotton by various compounds has been examined. The agents tested were copper 8-hydroxyquinolate, dihydroxydichlorodiphenylmethane and the following substances specified in British Standard 2087: zinc naphthenate, copper naphthenate (normal and heavy processes), cuprammonium, ammoniacal copper, chrome oxide, chrome and copper oxides, copper and iron oxides, mineral khaki (normal and heavy processes) and penlachlorophenyl laurate. Untreated and treated samples of a 6-oz. calico were exposed on stands, i.e., out of contact with soil, at three sites in West Africa and at one site in England and the deterioration was determined by the loss in tensile strength and the rise in cuprammonium fluidity. The effectiveness of the proofing agents was also determined by several independent laboratories. In general, it was found that the fabrics deteriorated much more quickly at the sunny sites in West Africa than in the jungle shade, and that...
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