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Degradation of silk by heat and light

The thermal degradation of textiles is influenced by the environment in which they exist as well as by impurities, additives, and finishing agents in the fiber. Damage to all fibers by heat and secondary influences such as ultraviolet light and biological attack occurs more rapidly in humid atmospheres. Cotton and silk can withstand higher temperatures than can wool without adverse effects on their fiber properties. [Pg.201]

COLOR DIFFERENCE. Silk discolors when exposed to heat and light. The color change is taken as one measure of the extent of degradation. The color difference of each treated sample was evaluated on a Diano Match-Scan spectrophotometer against a standard untreated silk sample. The color differences AE ab are reported in CIELAB color difference units (CDU) for Illuminant Da5, and were calculated by (21)... [Pg.421]

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By Degradation

Degradation by Light

LIGHT DEGRADATION

Silks

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