Abstract
The authors measured both the physical properties (such as crease recovery, imbibition value, elastic recovery) and the repeated-soaping effect on those physical properties and on nitrogen content of the treated fabrics, in order to investigate how the mechanism of crease recovery of the viscose rayon fabrics treated with Sumitex resin 901 (Dimethylol ethylene urea) is. The results obtained are summarized as follows.1) The mutual relations of physical properties showed an intermediate value of the fabrics treated with formaldehyde and dimethylol urea.2) Nitrogen content and crease recovery of the treated fabrics were distinctry reduced, while little change was observed on elastic recovery and imbibition value by 1_??_2 times of soaping.3) Compared with dimethylol urea treatment, the physical properties and nitrogen content of the fabrics are stable for soaping.From these results, crease recovery of the fabrics treated with Sumitex resin 901 is presumably affected by the formation of cross linkage between cellulose molecule and resin formed within the fiber.
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