Difference between revisions of "Modacrylic fiber"
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== Description == | == Description == | ||
| − | A manufactured fiber in which the fiber-forming substance is any long chain synthetic polymer composed of less than 85% but at least 35% by weight of acrylonitrile units (Federal Trade Commission definition). The first modacrylic (modified acrylic) fiber, | + | A manufactured fiber in which the fiber-forming substance is any long chain synthetic polymer composed of less than 85% but at least 35% by weight of acrylonitrile units (Federal Trade Commission definition). The first modacrylic (modified acrylic) fiber, Dynel® was introduced in 1949; many later followed but the only one still in production at the end of the twentieth century is SEF [Solutia]. The resilient modacrylic fibers have an irregular cross section and fair elastic recovery (79-99% at 2% elongation). SEF has a low moisture regain of 2.5%. It will maintain its properties to temperatures of 190C (375F). Modacrylic fibers are resistant to sunlight, bleaches and are considered non-allergenic. Because modacrylic fibers are fire resistant and self-extinguishing, they are commonly used in children's sleepwear. They are also used for wigs, stuffed toys and fake fur fabrics. |
[[File:72 Teklan 200X.jpg|thumb|Teklan]] | [[File:72 Teklan 200X.jpg|thumb|Teklan]] | ||
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| − | modacrylic fibre; polyacrylonitrile; | + | modacrylic fibre; polyacrylonitrile; Dynel® [Union Carbide]; Verel®[Tennessee Eastman]; SEF [Solutia]; Elura [Monsanto Fibers]; Teklan; Crylor; Kanecaron |
| − | [[[SliderGallery rightalign|verel1000m.jpg~SEM|verel350m.jpg~SEM]]] | + | [[[SliderGallery rightalign|Verelfiberkj1.jpg~FTIR|verel1000m.jpg~SEM|verel350m.jpg~SEM]]] |
== Other Properties == | == Other Properties == | ||
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== Additional Information == | == Additional Information == | ||
| − | Solutia: [http://www.sefmodacrylic.com/pages/techspecs.asp SEF modacrylic] technical | + | ° Solutia: [http://www.sefmodacrylic.com/pages/techspecs.asp SEF modacrylic] technical specifications° M. Joseph, ''Introductory Textile Science'', Holt Reinhold & Winston, Fort Worth, 1986. ° G.Cook, ''Handbook of Textile Fibres:II. Man-made Fibres'', 5th edition, Merrow Publishing Co., Durham, England, 1984. |
== Comparisons == | == Comparisons == | ||
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<gallery> | <gallery> | ||
File:Verel 200X BF.POL.jpg|Verel fibers | File:Verel 200X BF.POL.jpg|Verel fibers | ||
| − | |||
</gallery> | </gallery> | ||
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== Authority == | == Authority == | ||
| − | * | + | * Hoechst Celanese Corporation, ''Dictionary of Fiber & Textile Technology'' (older version called Man-made Fiber and Textile Dictionary, 1965), Hoechst Celanese Corporation, Charlotte NC, 1990 |
| − | * | + | * Marjory L. Joseph, ''Introductory Textile Science'', Holt, Rinehart and Winston, Fort Worth, TX, 1986 |
* ''Identification of Textile Materials'', The Textile Institute, Manchester, England, 1985 | * ''Identification of Textile Materials'', The Textile Institute, Manchester, England, 1985 | ||
| Line 60: | Line 59: | ||
* ''Fairchild's Dictionary of Textiles'', Phyllis G.Tortora, Robert S. Merkel (eds.), Fairchild Publications, New York City, 7th edition, 1996 | * ''Fairchild's Dictionary of Textiles'', Phyllis G.Tortora, Robert S. Merkel (eds.), Fairchild Publications, New York City, 7th edition, 1996 | ||
| − | * | + | * J.Gordon Cook, ''Handbook of Textile Fibres:II Man-made Fibres'', Merrow Publishing Co. , Durham, England |
| − | * | + | * Website address 1 Comment: www.fabrics.net |
| − | * | + | * Rosalie Rosso King, ''Textile Identification, Conservation, and Preservation'', Noyes Publications, Park Ridge, NJ, 1985 |
| − | * | + | * Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 |
* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | ||
Revision as of 06:26, 24 July 2013
Description
A manufactured fiber in which the fiber-forming substance is any long chain synthetic polymer composed of less than 85% but at least 35% by weight of acrylonitrile units (Federal Trade Commission definition). The first modacrylic (modified acrylic) fiber, Dynel® was introduced in 1949; many later followed but the only one still in production at the end of the twentieth century is SEF [Solutia]. The resilient modacrylic fibers have an irregular cross section and fair elastic recovery (79-99% at 2% elongation). SEF has a low moisture regain of 2.5%. It will maintain its properties to temperatures of 190C (375F). Modacrylic fibers are resistant to sunlight, bleaches and are considered non-allergenic. Because modacrylic fibers are fire resistant and self-extinguishing, they are commonly used in children's sleepwear. They are also used for wigs, stuffed toys and fake fur fabrics.
Synonyms and Related Terms
modacrylic fibre; polyacrylonitrile; Dynel® [Union Carbide]; Verel®[Tennessee Eastman]; SEF [Solutia]; Elura [Monsanto Fibers]; Teklan; Crylor; Kanecaron
Other Properties
Soluble in butyrolactone and warm acetone. Resistant to other organic solvents alkalis and acids. Tenacity = 1.8-2.5 g/denier (dry); 1.7-2.4 (wet); Elongation = 35-48%; Moisture regain = 0.4-4.0%.
| Melting Point | 120-125 (soften) |
|---|---|
| Density | 1.35-1.37 |
Hazards and Safety
Fire resistant and self-extinguishing. Non-allergenic.
Solutia: SEF modacrylic MSDS
Additional Information
° Solutia: SEF modacrylic technical specifications° M. Joseph, Introductory Textile Science, Holt Reinhold & Winston, Fort Worth, 1986. ° 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
Verel fibers
Authority
- Hoechst Celanese Corporation, Dictionary of Fiber & Textile Technology (older version called Man-made Fiber and Textile Dictionary, 1965), Hoechst Celanese Corporation, Charlotte NC, 1990
- Marjory L. Joseph, Introductory Textile Science, Holt, Rinehart and Winston, Fort Worth, TX, 1986
- Identification of Textile Materials, The Textile Institute, Manchester, England, 1985
- Fairchild's Dictionary of Textiles, Phyllis G.Tortora, Robert S. Merkel (eds.), Fairchild Publications, New York City, 7th edition, 1996
- J.Gordon Cook, Handbook of Textile Fibres:II Man-made Fibres, Merrow Publishing Co. , Durham, England
- Website address 1 Comment: www.fabrics.net
- Rosalie Rosso King, Textile Identification, Conservation, and Preservation, Noyes Publications, Park Ridge, NJ, 1985
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998