Abstract
The amount of oily soils deposited on clothes was determined and the yellowing of clothes caused b3 oily soils and contributing factors to yellowing through repeated wear/wash/storage cycle were studied.
The amount of residual oily soils were dependent on each wearer, the kind of clothes and the amount of oily soils on clothes before washing.
It was found that yellowing of clothes caused by oily soils was affected by the amount of oily soils, the kind of fabrics, matters adhering during wash/wear cycles, sunlight, storage term, temperature and humidity.
Clothes undergone the repeated wash/wear cycle without long term storage was kept white by washing. Increasing the period of storage, yellowing of clothes was also increased.
