TXA205 Exam 1 Material

TXA205 Exam 1 Material - Section I-1 Introduction to...

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Section I-1: Introduction to Textiles - Textile: A term generally applied to fibers, yarns, fabrics, or products made of fibers, yarns, or fabrics. - Fiber: A unit of matter that is characterized by having a length at least 100 times its diameter or width and which can be spun into yarns, or made into a fabric. Fiber is the smallest component, hair-like in nature, that can be separated from a fabric. - Yarn: An assemblage of fibers that is twisted or laid together so as to form a continuous strand that can be made into a textile fabric - Fabric: A flexible planar substance constructed from solutions, fibers, yarns, or fabrics, in any combination. - methods in the production of the fabrics: - woven interlaced yarns - knit, Interloped yarns - nonwoven, bonded Fibers - composite, combination of several structures - coloration: Providing colors to textiles - Finishing: Providing desirable functions to textiles - some functions - Water-repellent : has very low surface tension; some has Teflon (like in pots) - Antimicrobial - Threats of Infectious Diseases - Third leading cause of death in the United States and the leading cause worldwide - leading causes of death in US: 1. heart disease 2. cancer 3. infectious diseases - One in 20 hospitalized Americans —1.8 million people develop an infection, with 88,000 of them dying - Infectious diseases cost $ 120 billion per year - germ carrier environmental surfaces new victim - textile materials cause a lot of concern - germs can survive on textiles for 90 days - there are antimicrobial materials that recharge themselves after being washed in chlorine bleach - Fire-resistant - Wrinkle-resistant - Anti-UV Section I-2: Introduction to Textiles Continued - Where can we find textiles? - Apparel: Items will be worn - Interior Textiles: Used as surface covers within homes and commercial buildings (carpeting, draperies, curtains, upholstery, wall coverings) - Household and Institutional Textiles: All textiles used within the home except the interior textiles, are household textiles. Same items used in public places are referred to institutional textiles. - Industrial and technical textiles: “If you don’t wear it, sit on it, or walk on it, it is an industrial or technical textile”. - What do we expect from textiles? - Serviceability: describes the measure of a textile product’s ability to meet consumer’s needs; things we expect from textiles - Durability : the products withstand use; the length of time the product is considered suitable for the use for which it is purchased; eventually textiles will have to “retire”, but how long it lasts is durability. Durability may be bad for disposable items such as for medical use - Comfort: the way textiles affect heat, air, and moisture transfer and the way the body interacts with a textile product. Freedom from discomfort. - Why do some textiles collect static electricity?
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This note was uploaded on 06/19/2008 for the course TXA 205 taught by Professor Craig during the Spring '07 term at University of Texas.

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TXA205 Exam 1 Material - Section I-1 Introduction to...

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