UTICAJNI PARAMETRI NA KVALITET OTISKA DOBIJENOG TEHNIKOM SITO ŠTAMPE NA PVC FOLIJE

PVC FOILS PRINTING QUALITY IN SCREEN PRINTING

Nemanja Kašiković, Gojko Vladić, Magdolna Pal, Dragoljub Novaković, Stefan Đurđević

Sažetak

Tehniku sito štampe karakteriše sposobnost štampanja na velikom broju različitih podloga, pa se tako ovaj postupak štampanja primenjuje i pri štampi na PVC folije. U procesu štampe na ovu vrstu podloge, može se varirati sa različitim procesnim parametrima, kao što su podloge, boje i gustine tkanja sita. Upravo zbog toga u ovom istraživanju korišćene su dve vrste podloga za štampu (ORACAL 640 – Print Vinyl i LG Hausys LP2712), tri različite vrste boje (Hi-Gloss 35.000, Ondafl ut 85.000 i Texilon 58.000), kao i sita sa tri različite gustine tkanja (77, 120 i 140 n/cm). PVC folije koje se predviđene za aplikaciju na vetrobranska stakla izložene su vremenskih uslovima. Cilj ovog rada je da se utvrdi, koliko će se postojanost uzoraka na svetlost razlikovati ukoliko se promene parametri podloge, vrste boje i gustine tkanja sita.

KLJUČNE REČI: PVC FOLIJE, SITO ŠTAMPA, KVALITET OTISKA

Abstract

Screen printing technique is used to apply transfer images to a wide variety of substrates. PVC foils can be used as substrates also. In the screen printing process on PVC foils diff erent type of substrates, inks as well as diff erent mesh types can be used. In this research, we used two types of substrates (ORACAL 640 - Print Vinyl and LG Hausys LP2712), three diff erent types of ink (Hi-Gloss 35 000, 85 000 and Ondafl ut Texilon 58.000), and screens with three diff erent mesh counts (77, 120 and 140 n/cm). Th ese substrates are exposed to diff erent environmental factors including, light, etc. Th e aim of this paper is to determine diff erences between samples caused by variation of mentioned parameters on lightfasteness.

KEY WORDS: PVC FOILS, SCREEN PRINTING, PRINTING QUALITY
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