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The study of lightfastness by using accelerated and non-accelerated aging

By Peter Timár

Abstract

Cielom tejto prace bolo zmerat a porovnat světlostálost´. ofsetovych farieb a atramentov pre inkjetovu tlač. Svetlostalost´ bola testovana pomocou urychleneho aj prirodzeneho starnutia. Pre inkjetovu tlač boli použite pigmentove atramenty pod označenim T6052 (azurova), T6053 (purpurova) a T6054 (žlta), T6651 (čierna), T6055 (svetla azurova), T6056 (svetla purpurova) a T6057 (svetla čierna) pigmentovou tlačiarňou Epson Stylus Pro 4880, farbivove atramenty pod označenim T6642 (azurova), T6643 (purpurova), T6644 (žlta) a T6641 č.ierna) farbivovou tlačiarňou Epson L110. Ako substrat bol použity mikroporezny jednostranne ovrstveny leskly fotopapier Foma FP 2110 s plošnou hmotnosťou 210 g/m2. Pre ofsetovu tlač boli použite tlačove farby firmy T&K Toka rady Bestack Process. Ako substrat bol použity ofsetovy papier s plošnou hmotnostou 80 g/m2. Skumane boli tri sady vzorkov. Prva sada všetkych sledovanych typov farieb bola sledovana v interieri počas mesiacov december.jun, druha počas mesiacov marec.jun a tretia bola ožarovana v testovacej komore pre urychlene starnutie Q-Sun Xe-1B. Pre hodnotenie zmien farebnosti bola každy tyždeň odčitavana farebna odchylka delta E.The aim of this bachelor thesis was to evaluate and compare lightfastness of offset and inkjet inks. Lightfastness was tested by using accelerated and non-accelerated aging. For inkjet printing pigment-based T6052 (cyan), T6053 (magenta), T6054 (yellow), T6651 (black), T6055 (light cyan), T6056 (light magenta) and T6057 (light black) inks were used by pigment-based printer Epson Stylus Pro 4880 and dye-based T6642 (cyan), T6643 (magenta), T6644 (yellow) and T6641 (black) inks were used by dye-based printer Epson L110. Microporous photo gloss paper Foma FP 2110 with grammage of 210 g/m2 was used as a substrate. For offset printing the inks from Bestack Process series from company T&K Toka were used. Offset paper with grammage of 80 g/m2 was used as a substrate. Several sets of samples were examined. First set of every type of ink was evaluated in interior during december-june, second during march-june and the third one was irradiated in chamber for accelerated aging Q-Sun Xe-1B. For evaluation of color changes, a color difference ÄE was measured every week.Fakulta chemicko-technologick

Topics: svetlostálosť, atrament, inkjet, ofset, lightfastness, inks, inkjet, offset
Publisher: 'Univerzita Pardubice'
Year: 2016
OAI identifier: oai:dk.upce.cz:10195/65618
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