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等离子表面处理和电晕处理有什么不同What is the difference between plasma surface treatment and corona treatment

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等离子表面处理和电晕处理有什么不同What is the difference between plasma surface treatment and corona treatment

发布日期:2020-11-06 作者: 点击:

等离子表面处理和电晕处理有什么不同

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等离子表面处理器与电晕的效果是差不多一样的,只不过处理方式不一样,电晕只能处理很薄的东西,如塑料膜一类的东西,要求处理物体积不能大了,用于宽面积处理。


其原理是利用高频率高电压在被处理的塑料表面电晕放电(高频交流电压高达5000-15000V/m2),而产生低温等离子体,(等离子表面处理)使塑料表面产生游离基反应而使聚合物发生交联.表面变粗糙并增加其对极性溶剂的润湿性-这些离子体由电击和渗透进入被印体的表面破坏其分子结构,(等离子表面处理)进而将被处理的表面分子氧化和极化,离子电击侵蚀表面,以致增加承印物表面的附着能力。


等离子处理机用于在线式处理,配到各种生产线上处理可以处理曲面表面。(等离子表面处理)对物体大小没有局限性。两种达到的效果是一样的,只不过对被处理物来说那一种更适用。

                                            What is the difference between plasma surface treatment and corona treatment 

    The effect of plasma surface processor and corona is almost the same, but the treatment method is not the same. Corona can only deal with very thin things, such as plastic film, which requires that the volume of the treated material should not be large and used for wide area treatment.


The principle is to use high-frequency and high-voltage corona discharge (high-frequency AC voltage as high as 5000-15000v / m2) on the treated plastic surface to produce low-temperature plasma (plasma surface treatment) to produce free radical reaction on the plastic surface and make the polymer cross-linked. The surface roughens and increases its wettability to polar solvents - these ionomers enter the printed body by electric shock and penetration The surface damage its molecular structure, (plasma surface treatment) will be treated surface molecules oxidation and polarization, ion electric shock erosion surface, so as to increase the substrate surface adhesion. 


Plasma processor is used for on-line treatment. It can be applied to various production lines to treat curved surface. There is no limit to the size of the object. For the two, the effect is the same.

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