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深圳印刷廠-畫冊印刷-包裝盒定做-包裝廠家-深圳步殼印刷廠

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畫冊印刷公司變色膜

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2021-04-25 | 1133 Views | Share:
以利於印刷選樣溶劑時必須考它樹脂的溶解性,安全性,擇發速度及價格等因素。

              畫冊印刷公司變色膜


樹脂選擇得當,但用量不同對變色也有一定的影響。對同一樹脂來說,用量大,變色度就高,這是由於顏料粒子在大量的連結料中被相互隔離,

降低了它們的物理或化學變化程
度;從而使變色溫度提高有劑適當加人利可以調節的需度,以利於印刷選樣溶劑時必須考它樹脂的溶解性,安全性,擇發速度及價格等因素。

溶劑揮發太快,油感很快變稠,這樣性就差,容易卡版,無法印刷反之劑揮發太慢,最膜乾燥時間延長,從而導致層內的料組分之間分層沉澱,

同樣影響顯色,所以對溶劑的選擇要引起重視。
網印,凹印和數、網距、網膜厚度以及承印物的錶面特性等問題,同時還要考慮油墨的黏度、

揮發性等
變色數果大量印刷銜接要確定相應的同目線印刷乾燥過程要小心,加熱應適度,以免變色性能被破壞而不能恢復。

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