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重型瓦楞紙箱廠家在上光操作中的注意點有哪些?

來源:http://www.wikeloogle.com 時間:2021-04-19

稀釋劑:上光油一般來說需使用專用稀釋劑,稀釋量控制在1:0.5至1:1左右,過多則會影響上光效果(具體視涂膜量而定)。
Diluent: glazing oil generally need to use special diluent, dilution control in 1:0.5 to 1:1, too much will affect the glazing effect (depending on the amount of film).
黏連(未干透):涂布太厚,應降黏度;燈功率不足或老化,應更換UV燈使之達到額定功率。
Adhesion (not completely dry): if the coating is too thick, the viscosity should be reduced; if the lamp power is insufficient or aging, the UV lamp should be replaced to reach the rated power.
平滑度不佳:上光機涂布輥筒損壞或上光油黏度高,應更換或重磨輥簡,降上光油黏度。
Poor smoothness: the coating roller of polishing machine is damaged or the viscosity of polishing oil is high, the roller should be replaced or reground to reduce the viscosity of polishing oil.
             重型瓦楞紙箱廠家
為了增強蠟對紙纖維的附著力,在拔水劑中往往有松香衍生物或羧化高分子乳液,它們既對紙纖維有很好的粘附力,與蠟又有較好的相溶性。這樣,它們的加入可促進蠟在紙纖維上的附著性,同時如果對蠟進行改性,如將其氧化、基化,也有類似作用,都可以使蠟對紙纖維的附著力增加。
In order to enhance the adhesion of wax to paper fibers, there are often rosin derivatives or carboxylated polymer emulsions in the water extraction agent. They have good adhesion to paper fibers and good solubility with wax. In this way, their addition can promote the adhesion of wax on paper fiber. At the same time, if wax is modified, such as oxidation and basification, it also has a similar effect, which can increase the adhesion of wax on paper fiber.
但是必須指出的是,就是增加了這些措施,拔水劑在這樣的濃度下所形成的仍不是一個防水膜層,因此在遇到摩擦,如紙箱在搬運、堆碼過程中遇摩擦,往往會使這一防水表面失去作用。這就是為什么把涂布拔水劑的這類紙箱定為暫時性防水紙箱。
However, it must be pointed out that even with the increase of these measures, the waterproof film formed by the extractant at such concentration is still not a waterproof layer. Therefore, in case of friction, such as friction in the process of carrying and stacking cartons, this waterproof surface will often lose its function. This is why the coating of such cartons as temporary waterproof cartons.
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Thank you for reading, hope the above content is helpful to you, if you want to know more wonderful content, please click our official website: heavy corrugated box manufacturers http://www.wikeloogle.com .
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