Difference between revisions of "Polynosic fiber"
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== Description == | == Description == | ||
| − | A modified [ | + | A modified [[rayon%20fiber|rayon]] fiber that has a high wet modulus and a low degree of swelling. Polynosic fibers are made by a process developed by S.Tachikawa in Japan in 1951. They are a type of [[modal%20fiber|modal]] rayon that has a high degree of polymerization (55%: compared to 40% for ordinary rayon and 70-80% for [[cotton|cotton]]). Polynosic fibers are dimensionally stable and do not shrink or get pulled out of shape when wet like many rayons. They are also wear resistant and strong while maintaining a soft, silky feel. Polynosic fibers have found a wide variety of uses in clothing, outerwear, and household furnishings. They are often blended with cotton, [[wool|wool]], or [[synthetic%20fiber|synthetic fibers]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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polynosic fibre (Br.); HWM rayon; Toramomen; Tufcel | polynosic fibre (Br.); HWM rayon; Toramomen; Tufcel | ||
| − | == | + | == Physical and Chemical Properties == |
| − | Unaffected by bleaches or dry cleaning solvents | + | *Unaffected by bleaches or dry cleaning solvents |
| + | *Tenacity = 3 - 5 g/denier | ||
| + | *Elongation = 6-14% (dry), 8-20 % (wet) | ||
| + | *Cross section = circular or bean shaped, may have striations. | ||
| + | *Density = 1.52-1.54 | ||
| − | + | == Resources and Citations == | |
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* ''Identification of Textile Materials'', The Textile Institute, Manchester, England, 1985 | * ''Identification of Textile Materials'', The Textile Institute, Manchester, England, 1985 | ||
Latest revision as of 14:45, 18 October 2020
Description
A modified rayon fiber that has a high wet modulus and a low degree of swelling. Polynosic fibers are made by a process developed by S.Tachikawa in Japan in 1951. They are a type of modal rayon that has a high degree of polymerization (55%: compared to 40% for ordinary rayon and 70-80% for Cotton). Polynosic fibers are dimensionally stable and do not shrink or get pulled out of shape when wet like many rayons. They are also wear resistant and strong while maintaining a soft, silky feel. Polynosic fibers have found a wide variety of uses in clothing, outerwear, and household furnishings. They are often blended with cotton, Wool, or synthetic fibers.
Synonyms and Related Terms
polynosic fibre (Br.); HWM rayon; Toramomen; Tufcel
Physical and Chemical Properties
- Unaffected by bleaches or dry cleaning solvents
- Tenacity = 3 - 5 g/denier
- Elongation = 6-14% (dry), 8-20 % (wet)
- Cross section = circular or bean shaped, may have striations.
- Density = 1.52-1.54
Resources and Citations
- Identification of Textile Materials, The Textile Institute, Manchester, England, 1985
- J.Gordon Cook, Handbook of Textile Fibres:II Man-made Fibres, Merrow Publishing Co. , Durham, England