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BuKe factory >> Questions >> 什麽是壓敏變色印刷油墨

什麽是壓敏變色印刷油墨

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-09-19 | 679 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
一般是不可逆顏色變化。有壓敏油墨覆蓋的區域顯示出黑灰色印跡,沒有壓敏油墨覆蓋的區域顯示紙張的顏色,從而形成一定的黑白對比色,以此來驗證防偽產品的真偽。

什麽是壓敏變色印刷油墨

在油墨中加入特殊化學試劑、壓致變色的化合物或微膠囊,採用這種油墨印刷而成的有色或隱形圖文,受硬質對象或工具的摩擦、按壓時,即發生化學的壓力色變或微膠囊破裂染料的色變,這種油墨稱為壓敏變色油墨,又稱為壓致變色油墨、刮刮顯油墨或硬幣刮顯油墨壓敏變色油墨有白色和無色之分,壓致顯色有黑、紅、綠、藍、紫、黃等多種顏色,可根據用戶的要求選擇顯示的顏色並設計。


一般是不可逆顏色變化。有壓敏油墨覆蓋的區域顯示出黑灰色印跡,沒有壓敏油墨覆蓋的區域顯示紙張的顏色,從而形成一定的黑白對比色,以此來驗證防偽產品的真偽。

什麽是壓敏變色印刷油墨
什麽是壓敏變色印刷油墨

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