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Preparation of structurally-colored aromatic polyamides and their physicochemical properties

  • Chemistry And Technology Of Man-Made Fibres
  • Published:
Fibre Chemistry Aims and scope

Conclusions

One-, two-, and three-stage methods of preparing structurally-dyed aromatic polyamides with chromophoric fragments in the chain have been investigated.

It has been shown that the molecular weight of the polymers obtained and the proportion of chromophores bound into their chain is determined by the reactivity of the starting diaminoanthraquinones.

It has been found that the introduction of anthraquinone units into the poly-m-phenylene isophthalamide chain has little effect on the structure or basic physicochemical properties of the polyamide, but gives the polymer a uniform and regular coloration.

Structural dyeing of poly-m-phenylene isophthalamide with fragments of 1,5-DAAQ or 4,8-DADHAQ increases the resistance of the polyamide fibres to UV irradiation.

The authors express their thanks to Yu. Ya. Shavarin and N. M. Bol'bit for performance of the fibre irradiation, and also to B. A. Tsaplin for thermomechanical testing of the fibres.

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Authors
  1. Yu. Yu. Yakovlev
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  2. N. N. Barashkov
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  3. N. I. Kuz'min
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  4. R. N. Nurmukhametov
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  5. K. G. Khabarova
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Additional information

L. Ya. Karpov NIFKhI, Moscow. VNIISV, Tver'. Translated from Khimicheskie Volokna, No. 2, pp. 24–27, March–April, 1992.

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Yakovlev, Y.Y., Barashkov, N.N., Kuz'min, N.I. et al. Preparation of structurally-colored aromatic polyamides and their physicochemical properties. Fibre Chem 24, 109–114 (1993). https://doi.org/10.1007/BF00555026

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  • DOI: https://doi.org/10.1007/BF00555026

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