Azlon fiber

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Azlon fiber

Contents

Description

Azlon is the generic name for a manufactured fiber in which the fiber-forming substance is composed of any regenerated naturally occurring proteins (Federal Trade Commission definition). By the turn of the 19th century, methods for regenerated protein had been developed but they resulted in a hard, brittle material. It was not until the 1930s, that an Italian chemist, Antonio Ferretti developed a successful method to make regenerated protein fibers. Lanital was first sold in 1936. Azlon fibers were made from peanuts, corn, zein, cottonseeds, and casein. The fibers were often blended with wool, cotton, or synthetics for weaving. Fabrics made from azlon were soft, lustrous and had a good hand. They dyed well and were used as a silk substitutes by many European fashion designers. Azlon, however, has been replaced by other synthetic fibers, because it was weak when wet and was susceptible to microbiological growths.

See also casein fiber, zein fiber, and Chinon.

Vicara fibers

Synonyms and Related Terms

azlon fibre; zein fiber; casein fiber; Lanital [Snia Viscosa, Italy]; Aralac; Chinon [Toyobo Co., Japan]; Ardil [England]; Merinova [Italy]; Fibrolane [Courtaulds, England]; Vicara [Virginian-Carolina Chemical];

FTIR

Vicara fiber.jpg

FTIR

Azlonfiberkj1.jpg

SEM

Azlon500m.jpg

SEM

Azlon1000m.jpg


Other Properties

Insoluble in dilute acids, hydrogen peroxide and most organic solvents. Affected by alkalis. Filaments are smooth. Cross sections = circular, bean-shaped. Diameter=20-30 micrometers. Tenacity = 0.9-1.1 g/denier (dry); 0.3-0.6 (wet); Elongation =60-70%; Moisture regain = 14%

Density 1.25-1.3

Hazards and Safety

Combustible. Unpleasant odor when wet. Fibers very weak when wet.

Additional Information

° Joan Kiplinger 'Vintage Fabrics' at Fabrics.net° G.Cook, Handbook of Textile Fibres:II. Man-made Fibres, 5th edition, Merrow Publishing Co., Durham, England, 1984.

Comparisons

Properties of Synthetic Fibers


Additional Images


Authority

  • 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
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 640

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