{"id":4352,"date":"2021-06-16T01:08:17","date_gmt":"2021-06-15T23:08:17","guid":{"rendered":"https:\/\/www.proof.de\/?post_type=encyclopedia&p=4352"},"modified":"2022-03-15T12:49:33","modified_gmt":"2022-03-15T11:49:33","slug":"uv-rohk","status":"publish","type":"encyclopedia","link":"https:\/\/www.proof.de\/et\/lexikon\/uv-druck\/","title":{"rendered":"UV-tr\u00fckk"},"content":{"rendered":"
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UV-tr\u00fckk viitab tr\u00fckiprotsessidele digitaaltr\u00fckkimises, ofset-tr\u00fckis<\/a> ja flexotr\u00fckis<\/a>, kus tr\u00fckiv\u00e4rvid k\u00f5venevad vahetult p\u00e4rast pealekandmist v\u00f5imsate UV-lampide abil. See muudab tr\u00fckised stabiilseks, kriimustuskindlaks ja takistab nende tungimist paberile v\u00f5i tr\u00fckialusele. See t\u00e4hendab, et v\u00e4ljatr\u00fckke saab kohe t\u00f6\u00f6delda.<\/p>\n

Kui varem kasutati tugeva UV-valguse tekitamiseks elavh\u00f5bedaaurulampe, siis t\u00e4nap\u00e4eval kasutatakse peamiselt LED<\/a> UV-s\u00fcsteeme, mist\u00f5ttu nimetatakse neid protsesse sageli LED-UV-tr\u00fckiks.<\/p>\n

Suurim eelis ei ole mitte ainult kiire t\u00f6\u00f6tlemine, vaid eelk\u00f5ige asjaolu, et kuivatamine toimub sekundi murdosa jooksul. See t\u00e4hendab, et tr\u00fckkimiseks on v\u00f5imalik kasutada ka mitteimavaid aluseid (nt kleebiseid v\u00f5i plekkpurgid) ning suurem v\u00e4rvilisus on v\u00f5imalik saavutada imavale loomepaberile<\/a>, kuna tint ei imendu paberisse, vaid k\u00f5veneb otse paberi pinnal.<\/p>\n

Seda tehakse fotoinitsiaatorite, st valgustundlike ainete, k\u00f5vastamisega, mis lisatakse tr\u00fckiv\u00e4rvidele pol\u00fcmerisatsiooni teel.<\/p>\n

K\u00f5ik tuntud tr\u00fckiv\u00e4rvide tootjad pakuvad UV-k\u00f5venevaid tr\u00fckiv\u00e4rve. Kuna UV-LED-tr\u00fckkimise<\/a> LEDid kiirgavad monokromaatilist valgust, peavad v\u00e4rvid olema t\u00e4pselt sobitatud LED-tehnoloogiaga, sest muidu ei k\u00f5veneks need t\u00e4ielikult.<\/p>\n

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UV-tr\u00fckk viitab tr\u00fckiprotsessidele digitaaltr\u00fckkimises, ofset-tr\u00fckis<\/a> ja flexotr\u00fckis<\/a>, kus tr\u00fckiv\u00e4rvid k\u00f5venevad vahetult p\u00e4rast pealekandmist v\u00f5imsate UV-lampide abil. See muudab tr\u00fckised stabiilseks, kriimustuskindlaks ja takistab nende tungimist paberile v\u00f5i tr\u00fckialusele. See t\u00e4hendab, et v\u00e4ljatr\u00fckke saab kohe t\u00f6\u00f6delda.<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-4352","encyclopedia","type-encyclopedia","status-publish","hentry","no-featured-image-padding"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\n\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t