HUEC 2040-CH. 2 OUTLINE

HUEC 2040-CH. 2 OUTLINE - CHAPTER 2 Natural Fibers: taken...

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CHAPTER 2 Natural Fibers : - taken from animal, vegetable, or mineral sources - most important animal fibers are wool and silk - cotton and flax (linen) are most important vegetable fibers - Asbestos is natural mineral fiber that was formerly used for nonflammable properties; removed because now classified as carcinogen Manufactured Fibers - Created through technology - Two groups: 1) Regenerated fibers : made from natural (polymer) materials that can’t be used for textiles in original form but can be regenerated (re-formed) into usable fibers by chemical treatment and processing; Rayon (cellulose fiber regenerated from wood pulp) was first commercially successful manufactured fiber 2) Synthetic fibers : made from materials that are created synthetically in chemical process; Nylon (1 st synthetic fiber created by DuPont) was first synthetic fiber; today they are no longer replacements but CLASSIFYING AND LABELING FIBERS NATURAL FIBERS: a) Cellulose a. Seed hair i. Cotton ii. Kapok (polynesian cotton-like) iii. Milkweed b. Bast: taken from stems i. Flax ii. Ramie iii. Jute iv. Kenaf v. Hemp c. i. Coir
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ii. Agave iii. Yucca iv. Pina v. Sisal vi. Henequen vii. Sacaton b) Rubber c) Mineral a. Asbestos d) Protein a. Animal Hair i. Wool ii. Cashmere iii. Camelllama iv. Alpaca v. Huarizo vi. Misti vii. Vicuna viii.Guanaco ix. Mohair x. Qiviut xi. Cashgora MANUFACTURED FIBERS a) Regenerated a. Cellulose i. Viscose rayon ii. High-wet-modulus rayon iii. Cuprammonium rayon iv. Lyocell
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v. Acetate vi. Triacetate b. Protein i. Azlon-generic name for only protein fiber b) Inorganic a. Glass b. Ceramic c. Metallic c) Synthetic a. Nylon b. Aramid c. Polyester d. Acrylic e. Modacrylic f. Olefin g. Spandex h. Elastoester i. Novoloid j. PBI k. Sulfar l. Melamine m. Saran n. Vinal o. Vinyon p. Fluoropolymer q. Aridex r. Carbon s. Nyril - Generic Fiber Classification
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o Based on chemical repeat units in polymers that compose fibers o o Groups related in chemical structure compared w/lg,extended families w/in family are “family resemblances”; ways in which members of each are alike however, each fiber has its own talents or eccentricities Silk has high luster; wool doesn’t Vicuna and cashmere are exceptionally soft to the touch Color of camel hair cannot be removed easily o Manufactured fibers may also have brand name or trademark Dacron polyster Fortrel polyster Trevia polyster All members of generic group of polyesters but each has diff trademark Trademarked variations don’t vary significantly in chem. Or phys. Properties - Textile Fiber Products Identification Act o TFPIA o Requires fiber content labeling of all textile products o Effective March 3, 1960 o Provisions All fibers, either natural or manufactured; all yarns; fabrics; household textile articles; and wearing apparel are subject to this law
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HUEC 2040-CH. 2 OUTLINE - CHAPTER 2 Natural Fibers: taken...

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