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印刷宣傳單頁如何預防油墨晶化的故障!
作者:admin 來源:http://fashionalized.com 發布時間:2019-7-2 16:48:24 瀏覽次數:435
油墨晶化是宣傳單頁印刷中的過程常出現的一種毛病,把我們有沒有什么辦法避免和預防呢?下面我們一起來看看濟南宣傳單頁印刷給我們總結的幾條方法!
Ink crystallization is a common problem in the process of Publicity sheet printing. Is there any way to avoid and prevent it? Next let's take a look at some methods of Jinan publicity leaflet printing to summarize for us!
1、用含有較多溶劑的快干型油墨罩印(不等它干透就印第二色,效果雖較好,但這種方法費工費時費料,成本高),使用的溶劑能浸入和軟化底下一層的油墨膜層(但有時也會無濟于事)。
1. Cover printing with fast-drying ink containing more solvents (printing the second color without drying it thoroughly, although the effect is better, but this method is time-consuming, material-consuming and cost-effective), and the solvent used can immerse and soften the ink film of the bottom layer (but sometimes it will be useless).
2、掌握套印時間,在前一色印刷后應當盡可能快地印刷第二道色。
2. Master the overprint time and print the second color as quickly as possible after the first color.
3、在油墨中加入一些延緩干燥的助聚劑(例如對苯二酚)或慢干材料(凡士林、羊毛脂、蠟助劑)。
3. Adding some retarding polymer additives (e.g. hydroquinone) or slow-drying materials (vaseline, lanolin, wax additives) to the ink.
4、在包裝印刷裝潢的圖案設計上可采用不同的易于套印的基色。
4. Different basic colours which are easy to overprint can be used in the design of packaging, printing and decoration.
5、在油墨配方里應少用鈷類干燥劑。
5. Cobalt desiccants should be used less in ink formulation.
6、可采用干燥快的合成樹脂型連結料,以降低油墨中干燥劑的用量。
6. Fast-drying synthetic resin binder can be used to reduce the amount of desiccant in ink.
7、增強第二色墨的附著力,其目的就是破壞已晶化的墨膜。如采用零號調墨油或醇酸樹脂、環氧樹脂和聚酰胺樹脂是附著力較大的材料,加入油墨中可以增強其附著力,但這些樹脂與膠印油墨的混溶性不好,不能多加,因過多的加入往往會沖淡印刷油墨的顏色,而過少其效果又不會好。

7. The purpose of enhancing the adhesion of second color ink is to destroy the crystallized ink film. For example, zero toner ink or alkyd resin, epoxy resin and polyamide resin are the materials with high adhesion, adding ink can enhance its adhesion, but these resins and offset ink miscibility is not good, can not be added, because too much addition often dilutes the color of printing ink, and too little effect will not be good.

8、在印刷油墨中加入有機溶劑以溶解已晶化的墨膜層。這是印刷操作工常用的方法之一,但晶化的墨膜層已成為主體網狀結構的光滑墨膜層不易被溶解,太多時效果不佳。
8. Adding organic solvent to printing ink to dissolve the crystallized ink film. This is one of the common methods used by printing operators, but the crystallized ink film has become the smooth ink film of the main reticular structure, which is not easy to dissolve, and the effect is not good when there are too many.
9、在印刷油墨中加堿或肥皂來增強極性,使較容易印刷上,但當時雖似印上了,而干后卻附著不牢又極容易擦掉。
9. Adding alkali or soap to printing ink to enhance polarity and make it easier to print, but at that time, although it seemed to be printed, it was hard to adhere and easy to erase after drying.
綜觀以上處理方法及預防措施,能夠保證包裝印刷圖文質量的是印刷中要掌握油墨的干燥度,以不讓油墨成膜干過頭就開始印第二道顏色為更佳。
Overview of the above treatment methods and preventive measures, to ensure the quality of packaging printing pictures and texts is to grasp the dryness of ink in printing, so that the best way is not to let the ink film dry too much and start printing the second color.
本文的精彩內容由濟南宣傳單頁印刷提供相關的知識,本網站還有很多的精彩內容,更多的內容您能夠點擊進入:http://fashionalized.com!我們有特地的客服為您解答問題!
The wonderful content of this article is provided by Jinan publicity leaflet printing. There are many wonderful contents on this website. You can click on more content to enter: http://fashionalized.com! We have special customer service to answer your questions!