Abstract
One of the projects in the program of research on the subject of warp sizing which was organized and administered by Textile Research Institute, Inc., com prised a study of the sizing of warp yarns constructed from spun viscose rayon. The papers in the series now being presented in this journal cover certain parts of a project carried out during the period from October, 1940, through No vember, 1942. In accordance with an agreement between the Institute and the sponsors of the project these papers have not been published previously. Part I— "Effect of Stretch in Slashing," and Part II—"Abrasion Testing of Sized Warp Yarns," appeared in the January issue of this year. Parts III and IV in this issue cover Confidential Reports Nos. 7 and 8 respectively. Part V—"Application of Corn Starch Ether Gum and Its Removal from Fabric," will conclude the series and is scheduled for the March issue. A comprehensive summary of this project, including the recently concluded project, has been prepared and will be published at an early date as an Institute report.
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