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耗材网2011-12-15报道:人们对包装纸板的质量要求越来越高,涂布白板纸做为高档包装材料,其精美的外观质量也成为人们的追求目标。但是涂布白板纸的返黄现象却严重影响了外包装材料的美观。涂布白板纸返黄是指产品经过一定时间的贮存,或经日光照射后,其白度会有一定下降的现象。研究涂布白板纸返黄现象及发生的机理,找出返黄的各种因素和稳定白度的措施与方法,已日益引起我们的重视。本文主要结合我公司的生产实践,对涂布白板纸返黄现象进行分析,就如何预防和解决返黄现象作一
Consumables Network 2011-12-15 Report: People are demanding higher and higher quality of the packaging board, coated white paper as a high-end packaging materials, the appearance of its exquisite quality has become the pursuit of people’s goals. However, the yellowing phenomenon of coated white paper has seriously affected the appearance of packaging materials. Recycled white paper coated paper refers to the product after a certain period of storage, or after sunlight, the whiteness will have a certain decline in the phenomenon. Research on the phenomenon of yellowing of coated white paper and the mechanism of its occurrence, finding out various factors of yellowing and measures and methods of stabilizing whiteness have drawn more and more attention. In this paper, the main combination of my company’s production practices, the white paper coated yellow paper to analyze the phenomenon of how to prevent and solve the yellow for a