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[Toyobo Co., Japan] A brand name for a regenerated protein copolymerized with Acrylic resin. Chinon® contains about 70% acrylonitrile units and 30% protein units. It is lightweight with a silky texture and good colorfastness. Chinon® is used for clothing, bedding and household articles. It can be machine washed in cold water, but not heat dried.

See also Azlon fiber.

Physical and Chemical Properties

  • Moisture regain = 4.5-5.5%;
  • Tenacity = 3.5-4.5 g/denier
  • Density = 1.22 g/ml


  • Degraded by chlorine bleaches.
  • Susceptible to heat damage and discoloration above 120 C.

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 64
  • Rosalie Rosso King, Textile Identification, Conservation, and Preservation, Noyes Publications, Park Ridge, NJ, 1985
  • Marjory L. Joseph, Introductory Textile Science, Holt, Rinehart and Winston, Fort Worth, TX, 1986
  • Website: