Dyeability of Nomex® Aramid Yarn

Author:

Moore R.A.F.1,Weigmann H.-D.1

Affiliation:

1. Textile Research Institute, Princeton, New Jersey 08542, U.S.A.

Abstract

Treatments in highly polar solvents, such as dimethyl formamide, dimethyl acet amide, and dimethyl sulfoxide, under suitable conditions have been found to improve the dyeability of Nomex® yam so that it can be dyed under atmospheric conditions in a reasonable length of time without the aid of a carrier. Essentially, these solvents provide chemical energy to the yam, permitting rearrangements of the polymer chains through breakage and reformation of interchain hydrogen bonding. The changes in dyeability may be attributed to orientation changes or to microvoid formation occurring in the fiber structure during treatment.

Publisher

SAGE Publications

Subject

Polymers and Plastics,Chemical Engineering (miscellaneous)

Reference6 articles.

1. Cook, F.L., and Kleissler, B.R., Effect of Auxiliary Solvents in STX® Coloration of Aramids and PBI with Cationic Dyes, in "Book of Papers, AATCC National Technical Conference," New Orleans, Louisiana, October 5-7, 1983, pp. 314-326; and private communications.

2. Interactions of Nonaqueous Solvents with Textile Fibers

3. Moore, R.A.F., Weigmann, H.D., and Morello, C.A., Dyeability of Solvent Treated Fibers, in "Book of Papers, AATCC National Technical Conference," Charlotte, North Carolina, October 21-23, 1981, pp. 109-120.

4. Interactions of Nonaqueous Solvents with Textile Fibers

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