Azides Part I ‐ Reactive Dyes Containing the Azido Group for Synthetic‐polymer Fibres*

ABSTRACT:A novel method for the crosslinking of poly(ethylene terephthalate) fibers is described using 1,6-hexanedisulfonyl azide, 1,3-benzenedisulfonyl azide, and 2,6-naphthalenedisulfonyl azide. The azides are diffused into poly(ethylene terephthalate) fibers (Dacron) from perchloroethylene solution, and the fibers are heat treated to bring about decomposition of the sulfonyl azide and give rise to crosslinking. A study is made of the mechanical and thermal properties of the resultant fibers, which are changed considerably in comparison to the untreated fiber.

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Mechanical and thermal properties of poly(ethylene terephthalate) fibers crosslinked with disulfonyl azides

Baker

East

Mukhopadhyay

2001

J of Applied Polymer Sci

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Mechanical and thermal properties of acrylic fibers crosslinked with disulfonyl azides

Baker

East

Mukhopadhyay

2002

J of Applied Polymer Sci

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ABSTRACT:A novel method for the crosslinking of acrylic fibers was devised, which uses disulfonyl azides as crosslinking agents. This is a fiber-finishing process in which 1,6-hexanedisulfonyl azide, 1,3-benzenedisulfonyl azide, 4,4-biphenyldisulfonyl azide, 1,5-naphthalenedisulfonyl azide, and 2,6-naphthalenedisulfonyl azide were applied to an acrylic fiber (Courtelle) and thermally treated to bring about crosslinking. A study was made of the mechanical and thermal properties of the crosslinked fibers and of the abrasion and pilling performance of the associated fabrics. Crosslinking brought about significant improvements in the initial modulus, resistance to abrasion, pilling performance, and thermal stability of the fibers.

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Green and efficient diazotization and diazo coupling reactions on clays

2007

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Azides Part I ‐ Reactive Dyes Containing the Azido Group for Synthetic‐polymer Fibres*

Abstract: Dyes containing sulphonylazido, carbonylazido, arylazido and azidoacetamido groups have been synthesized. These dyes react chemically with synthetic‐polymer fibres, such as polyester, nylon and cellulose acetate. Their dyeing and fastness properties are discussed.

Cited by 4 publications

References 9 publications

Mechanical and thermal properties of poly(ethylene terephthalate) fibers crosslinked with disulfonyl azides

Mechanical and thermal properties of poly(ethylene terephthalate) fibers crosslinked with disulfonyl azides

Mechanical and thermal properties of acrylic fibers crosslinked with disulfonyl azides

Green and efficient diazotization and diazo coupling reactions on clays

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