聚脂薄膜在制图工艺过程中,其优点较多,不少刊物在介绍中都大同小异地论述过。其缺点是在绘图中不太“亲墨”和乾后有轻度掉墨现象。大家都在摸索使其不掉墨的途径。在用法介绍中也不同程度的离不开比例不同的重铬酸氨。现将我们在配制研墨用水以及在绘图过程中碰到的一些问题和处理方法提出来跟大家 Polyester film in the drawing process, its advantages, many publications are described in much the same way. The disadvantage is that there is a slight drop of ink after the drawing is not “ink-mo” and dry. Everyone is trying to find a way to make it out of ink. Different levels of dichromate ammonia can not be separated from the usage description. Now let’s put forward some questions and processing methods that we used to formulate the ink for research and use in the drawing process.