Textile Sci Exam 1 Study Guide.docx

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Florida State University
Retail Merchandising and Product Development
CTE 1401C
Marilyn Grise

Exam 1 review 04/09/2014 Chapters 1 and 2 Textile fiber:Aunit of matter, either natural or manufactured, which forms the basic elements of fabric and other textile structures Natural fibers are ones that exist as such in the natural state; manufactures are made from a substance that at some point in the state of manufacturing was nota fiber ex. (natural) cotton, flax, hemp, jute, ramie ex. (manufactured) rayon, tencel **look up longitudinal & cross sections of fiber** TFPIArequirements: [1960] Fiber components by weight Country of origin Name and/or registered number of manufacturer Care Labeling Rule: [1972] must state reasonable care instructions about regular care or must provide warnings if cannot be cleaned w/o harm Permanent label Wool products labeling act: [1939] same requirements as TFPIA, must include common name of animal, must state if required materials were used Chapter 3 Luster: amount of light reflected by fiber Physical: luster, filament, crimp, density, size Mechanical: strength, flexibility, elongation, elastic recovery, resilience Chemical: absorbency, hydrophilic, hydrophobic, adsorption, wicking, hygroscopic, oleophilic, flammability, chemical resistance/reactivity, electrical conductivity Environmental: sensitivity to environmental, sensitivity to microorganisms/insects, abrasion resistance Absorption is the ability to take water into itself, adsorption is the ability to hold water on the surface instead Hydrophobic: fiber does not absorb water readily Hydroscopic: ability of a fiber to take in/retain moisture from the air, does not release easily by evaporation Oleophilic: has strong affinity for oil based substances Chapter 4 **Look up staple fibers** All cellulose fibers.. are produced by plants Good absorption; slow to dry Subject to mold/mildew Low electrical conductivity (no static cling) Stronger when wet May shrink when washed Does not melt. Will scorch and burn. Will continue burning when removed from flame Harmed by acids, resistant to alkalis Biodegradable Cotton is stronger when wet because the inner layers of cotton swell and push out against the primary wall providing strength. Reaction to fire/heat Does not melt. Will scorch and burn. Will continue burning when removed from flame Can recognize cotton fibers because of their low resilience Bast fiber: a fiber that
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