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BuKePrinting >> knowledge >> 印刷廠告訴你什麽是玻璃紙

印刷廠告訴你什麽是玻璃紙

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2021-06-13 | 801 Views | Share:
印刷廠告訴你什麽是玻璃紙

印刷廠告訴你什麽是玻璃紙

玻璃紙，實際上即透明纖維素薄膜，也稱水化纖維素薄膜，是一種非熱塑性薄膜。玻璃紙以木漿為原料，先用鹼處理，然後與CS2反應生成纖維素硫酸鈉，將其溶解在稀鹼液中成為橙黃色濃稠液—黏膠，將黏膠從一條狹縫中噴入凝固液中，得到再生纖維素薄膜，經系列洗滌、脫硫、漂洗、塑化後得到透明度較高的玻璃紙。玻璃紙是一種廣泛應用的內襯紙和裝飾性包裝用紙。它的透明性使人對內裝商品一目瞭然；錶面塗塑後又具有防潮、不透水、不透氣、熱封等性能，與普通塑料膜比較，它具有不帶靜電、防塵、扭結性能好等優點。從顏色上看，有白色、彩色之分。

玻璃紙有普通玻璃紙和防潮玻璃紙。防潮玻璃紙又按照塗布材料的不同，分為硝基纖維（蠟克型）、氯乙烯（乙烯型）和二氯（代）乙烯（K型）等各類型玻璃紙透明度及光澤度高，印刷適性好，印刷前不需預處理；具有抗靜電性及一定的挺度，易復合，無毒無味，適合糖果食品包裝。晉通玻璃紙吸水性好，耐水性差，防潮性差在溫度和濕度變化的情況下，尺寸不穩定，但可通過塗布及復合改善這一性能。

印刷廠告訴你什麽是玻璃紙
印刷廠告訴你什麽是玻璃紙

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