Delovanje sončne svetlobe na vlakna : absorpcija svetlobe, emisijski pojavi in svetlobna obstojnost = Effect of sun-sky radiation on fibres : light absorption, emission phenomena and light-fastness
Rijavec, Tatjana, 1962-
Sončna svetloba je elektromagnetno valovanje, ki sodeluje pri nastanku celuloze, gradniku mnogih naravnih in kemičnih vlaken, po drugi strani pa povzroča njihovo naravno razgradnjo, tako imenovano ...svetlobno degradacijo. V sestavku so predstavljene fizikalne osnove absorpcije svetlobe in spremljajoči emisijski pojavi s poudarkom na vplivih ultravijolične svetlobe. Opisani so modeli in mehanizmi svetlobne degradacije celuloze, keratina, fibroina, poliamidov, polietilentereftalata, poliolefinov, polivinilalkohola, klorovih polimerov in poliakrilonitrila. Poleg molekulske strukture vplivajo na svetlobno degradacijo tudi številni drugi dejavniki: prisotna barvila, pigmenti, apreture, kovinske nečistoče, nadmolekulska struktura, izpostavljena površina, temperatura, vlaga, osvetljenost idr. V zadnjem delu sestavka so predstavljeni svetlobna obstojnost vlaken, makromorfološke spremembe na polipropilenu in poliamidih in UV stabiliziranje.
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