Effects of wash water temperatures and drying methods on the dimensional stability and surface appearance of filament polyester double knit fabrics Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/9w032645f

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  • With the increased production and use of double knit fabrics made from textured filament polyester, homemakers have become concerned over procedures for care that can be successfully carried out in the home. The purpose of this study was to determine what effects wash water temperatures and drying methods have on the dimensional stability and surface appearance of filament polyester double knit fabrics. Changes in general physical properties, dimensional change, and surface appearance of four fabrics were studied after ten launderings at three wash water temperatures with two drying methods. Shirts made from two fabrics were worn by nursery school children, laundered ten times, and rated for pilling and snagging. All filament polyester double knit fabrics in this study shrank more when washed in hot water and when dried in the tumble dryer than when washed in warm or cool water and horizontally screen dried. Shrinkage was continuous after five and ten launderings, although at a decreasing rate. All four fabrics had better appearance when laundered in warm or cool wash water and when tumble dried after ten launderings than when washed in hot water and horizontally screen dried. Data indicated that resistance to pilling as tested in the Random Tumble Pilling Tester and snagging on shirts worn and laundered ten times were more dependent upon fabric characteristics and wearing conditions than on laundering conditions. Fabrics won consumer acceptance by parents of nursery school children who participated in the wear study.
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