正确控制油墨的印刷适性对印刷质量很关键
正确选择和控制油墨的印刷适性,对提高包装印刷产品的质量,追求包装印刷品意义重大。济南印刷厂家认为,您应注意选择和调整油墨的印刷适性,使之适合于印刷工艺及承印材料的要求,从而提高产品的印刷质量,降低生产成本,提高经济效益。
Correct selection and control of the printability of printing ink is of great significance to improve the quality of packaging and printing products and to pursue packaging and printing products. Jinan printing factory believes that you should pay attention to selecting and adjusting the printing suitability of the ink to meet the requirements of the printing process and printing materials, so as to improve the printing quality of the product, reduce production costs and improve economic benefits.
油墨的印刷适性主要包括油墨的流变性、触变性、粘度、流动度、渗透性、转移性、颜色等。油墨具有良好的触变性时,施印过程中有利于油墨顺利、均匀地转移,同时一旦印在纸张上后,油墨由稀变稠,保证印迹的清晰度,特别是针对网点、文字、线条版印刷,可避免油墨在纸张上浸润、铺展;油墨的粘度过大时。拉丝性强。
The printability of ink mainly includes rheology, thixotropy, viscosity, fluidity, permeability, transferability, color, etc. When the ink has good thixotropy, it is conducive to the smooth and uniform transfer of the ink during the printing process. At the same time, once printed on the paper, the ink will change from thin to thick to ensure the clarity of the print. Especially for dot, text and line printing, it can avoid the ink from wetting and spreading on the paper; When the viscosity of the ink is too high. Strong drawability.
易形成印刷中的层现象,在高速印刷表现更为明显,很容易引起纸张的脱粉、拉毛或分离现象,会使油墨转移发生困难。油墨粘度过小,流动度增大,也会造成印刷品上脏,印迹面积扩大、清晰度下降;印刷品色相的准确程度和鲜艳程度是由油墨颜色所决定的,在彩色印刷中,油墨的颜色关系到印刷复制品的色相和色调层次是否符合原稿的要求,印刷品颜色不准确,将影响产品质量。
It is easy to form the layer phenomenon in printing, which is more obvious in high-speed printing. It is easy to cause the phenomenon of peeling, fuzzing or separation of paper, which will make it difficult to transfer ink. If the viscosity of the ink is too small and the fluidity is increased, the printed matter will be dirty, the printing area will be enlarged and the definition will be reduced; The accuracy and brightness of the color of the printed matter are determined by the color of the ink. In color printing, the color of the ink is related to whether the color and hue level of the printed copy meet the requirements of the original. The inaccurate color of the printed matter will affect the product quality.
另外,除选择和控制油墨的印刷活性,油墨的耐光、耐热性在包装印刷设计中也应引起足够重视。油墨的耐光耐热性,是指印刷物表面的图文墨层在光源照射下,和在一定湿度范围内,相对地保持不变色的性能,它是油墨固有的化学性质。
In addition, in addition to selecting and controlling the printing activity of the ink, the light and heat resistance of the ink should also be paid enough attention in the packaging and printing design. The light and heat resistance of the ink refers to the performance that the image and text ink layer on the surface of the printed matter remains relatively unchanged under the illumination of the light source and within a certain humidity range. It is the inherent chemical property of the ink.
油墨在混合、冲淡(加黑、白墨)后耐光性大大降低,印刷后很易褪色。这也是专色印刷中许多淡底色易于褪色的原因。
The light fastness of the ink is greatly reduced after mixing and diluting (adding black and white ink), and it is easy to fade after printing. This is also the reason why many light background colors are easy to fade in spot color printing.
目前,一些包装印刷产品的淡底色存在褪色问题,大大影响了包装印刷产品的使用效果。由此,合理运用油墨的耐光性对提高包装印刷产品的质量是十分重要的。更多相关内容就来我们网站http://www.xinfengyinshua.cn咨询!
At present, there is a fading problem in the light background of some packaging and printing products, which greatly affects the use effect of packaging and printing products. Therefore, it is very important to use the light fastness of ink reasonably to improve the quality of packaging and printing products. Come to our website for more relevant content http://www.xinfengyinshua.cn consulting service
济南印刷厂讲解的内容 更多的内容 请咨询公司官网http://www.xinfengyinshua.cn/下一条:手提袋印刷品具有几个方面的共性
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