Amidoximation of Partially Cyanoethylated Cotton Fabric

Negishi, Michiharu; Ito, Heihachiro

doi:10.2115/fiber.15.116

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1959

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“…In the previous publication from our laboratory, it was stated that the crease resistance and dyeing properties of partially_ cyanoethylated cotton fabrics were improved significantly by amidoximation with aqueous hydroxylamine ; amidoximates were given a wool-like hand without much loss in tensile strength, tear strength, and elongation [ 1 ] . In the present -paper, we attempted further improvement of the crease resistance by means of formaldehyde-curing of.…”

Section: Introductionmentioning

confidence: 99%

Part II: Formaldehyde-Curing after Amidoximation

Negishi¹,

Ito²,

Aida³

1959

Textile Research Journal

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By amidoximation with the aqueous hydroxylamine and subsequent formaldehydecuring in the presence of a weak acid catalyst such as ammonium acetate or even in the absence of catalyst, the crease resistance of cyanoethylated cotton fabrics containing a low percentage of nitrogen was improved significantly without much loss in the tensile strength and elongation, but a decrease in the flex abrasion and tear strength occurred.From the results, it was deduced that the longer cross link chain might be formed to some extent between adjacent amidoxime or hydroxamic acid groups in different cellulose molecules. After curing, the amidoximates retain great affinities for acid dyes and have a wool-like hand.

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Section: Introductionmentioning

confidence: 99%