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KMID : 1041219990410030185
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Journal of Sericultural and Entomological Science
1999 Volume.41 No. 3 p.185 ~ p.195
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The Skin Care Finishing of Polyester by Silk Sericin
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Abstract
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This study was carried out to improve the skin care property of the polyester fabric by finishing with sericin. It was known that skin care function, anti-oxidation, anti-tyrosinase activity and anti-elastase activity can be achieved from sericin finish. But, the moisture regain of the finished fabric was measured simply, because the major cause of the discomfort from polyester fabric has been announced to be wetness. The effects of various treatment conditions on the properties of the finished fabric were measured, and obtained results were as follows :
1. The moisture regain at 40°C 90%RH were increased with the sericin uptake increasing, while it was not significant for the effects on the moisture regain depending on the treatment conditions like the degree of polymerization and treatment concentration of the binder. The moisture release of the fabric haying sericin uptake 1%,2% was faster than non treated fabric. The change of the moisture regain of the finished fabric form 40°C90%RH to room temperature was 4-5 times higher than that of knitted cotton fabric.
2. The frictional static charge was decreased with the degree of polymerization of the binder increasing. While the sericin uptake and treatment concentration of the binder were not significant.
3. The whiteness value of the fabric was slightly decreased by finishing with sericin and binder. In that cases, W values of the finished fabrics were above 90 while that depending on the degree of polymerization of the binder was not significant.
4. The major cause of the yellowness of the finished fabric was proved to be catalyst. The yellowness of the finished fabric with sulfur containing catalyst was lower than that with amino group containing catalyst.
5. The effects of the treatment concentrations of the cross-linking agent, catalyst and drying time on the wash durability were not significant.
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