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影响纸张与塑料粘合不牢的因素
作者:admin 来源:http://www.sdhzyw.com 发布时间:2017-3-3 15:16:15 浏览次数:296
影响纸张与塑料粘合不牢的因素有许多。塑料薄膜的各项性能、纸张的平滑度、匀度、纸张含水量、印品墨层的厚度、辅助材料用量、纸塑复合时的温度与压力、生产环境卫生状况以及温度、相对湿度等都会对纸塑复合产生一定影响。
There are many factors that affect the adhesion of paper and plastic. The properties of paper, plastic film smoothness, uniformity, moisture content of the paper, printing ink layer thickness, auxiliary material dosage, temperature and pressure, the sanitation of plastic composite production as well as the temperature and relative humidity will have a certain impact on the lamination.

1、起泡:主要表现覆膜的产品在分切、压痕、存放、上封面、裱糊、模切等工序,在四色套印的暗调位置、实地和墨层厚实的部位,出现砂粒状、条纹状、蠕虫状、龟纹状的纸塑局部脱离。

济南精装书制作

1, foaming laminating products: mainly in cutting, indentation, storage, cover, paper cutting, etc., in the four colour printing ink layer and the spot position, the darkened thick parts, appeared granular, stripes, wormlike, moire shaped plastic local detachment.
主要原因:粘合剂涂布不均匀,附着力差;印刷品薄膜上存在尘埃、砂粒,环境卫生条件差,纸张含水量大导致局部纸塑粘合不牢。
The main reason: adhesive coating uneven, poor adhesion; dust dirt and Idedogy printing film, poor sanitation, moisture content of the paper due to the large local plastic bonded solid.
实地版叠印次数多,覆膜时粘合剂和油墨层的亲和性差,印迹墨色太厚实,容易形成塑料薄膜与油墨层局部分离造成“起泡”现象。
Field edition overprint, affinity adhesive and ink layer of the poor film, imprinted ink is too thick, easy to form a plastic film and ink part caused by the "bubble" phenomenon.
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