Nylon 4

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Description

Nylon 4 is made from polypyrrolidine and sold as the fiber "Alrac". Nylon 4 has more frequent amide groups than other nylons. It produces a fiber that has many of the characteristics of cotton. Nylon 4 can absorb moisture and it accepts dyes well. It does not collect static charge and has good pressability.

See Nylon fiber.

Synonyms and Related Terms

Alrac [Radiation Research]; polypyrrolidine

Other Properties

Decomposes at 265 C Tenacity = 4.5 g/denier Moisture regain = 8%

Melting Point 273
Density 1.18

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 555
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Marjory L. Joseph, Introductory Textile Science, Holt, Rinehart and Winston, Fort Worth, TX, 1986
  • J.Gordon Cook, Handbook of Textile Fibres:II Man-made Fibres, Merrow Publishing Co. , Durham, England, p. 310.