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BuKePrinting >> 印刷紙張製造的第三步：打漿

印刷紙張製造的第三步：打漿

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-08-18 | 767 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
打漿是決定成紙性能和質量的重要工序。各種植物纖維雖經機械或化學方法處理後,所得的紙漿實質上還不適宜於造紙,因其中仍含有未解離的纖維束,即使已解離的纖維仍是僵硬的、錶面光滑的、完整的形態,而且纖維的粗細不勻,長短不一。

印刷紙張製造的第三步：打漿

打漿是決定成紙性能和質量的重要工序。各種植物纖維雖經機械或化學方法處理後,所得的紙漿實質上還不適宜於造紙,因其中仍含有未解離的纖維束,即使已解離的纖維仍是僵硬的、錶面光滑的、完整的形態,而且纖維的粗細不勻,長短不一。

如果未經打漿就用來造紙,則紙張稀疏鬆軟,沒有身骨,而且紙面粗糙不平,機械強度較差,所以必須經過打漿處理,把纖維處理成符合所需抄造紙的質量要求。

打漿是把混合在水中的纖維束疏散成單纖維,使纖維橫向切斷到適當的長度,縱向摩擦分裂,兩端帚化發毛,增加其錶面接觸面積,提高交織能力。

印刷紙張製造的第三部：打漿

同時通過壓潰,使其內部滲水,發生膨脹水化,變成柔軟而有可塑性的纖維,才能用於造紙。如果同種原料經過不同方式的打漿處理,可以造出各種不同性質和用途的紙張。

印畫冊做紙盒
深圳步殼印刷廠


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