论文部分内容阅读
在起草文件时使用的纸张种类很多,有书写纸(该纸又分为1.2.3.4号书写纸)、凸版纸、有光纸、新闻纸等等。但现有的这些文件用纸耐久性较差。归档后,在保管、利用过程中由于受到环境的影响很快发生老化,一般书写纸、凸版纸保存四、五十年就发生脆化、破损;有光纸、新闻纸保存十几年就会出现老化破裂,保管条件差的地方甚至四、五年,十来年就恶化,一触就碎。它们在短时间内老化破损的最主要原因:一是酸性施胶;二是木质素含量较高。那么何种纸耐久性好、寿命长。
Paper used in the drafting of many types of paper, writing paper (the paper is divided into paper 1.2.3.4), letterpress paper, glossy paper, newsprint and so on. However, these existing documents have poor durability. After filing, in the custody, the use of the process because of the environmental impact of the aging soon, the general writing paper, letterpress preservation four or five years of embezzlement, damage; glossy paper, newsprint will be preserved more than ten years will appear Aging rupture, poor storage conditions even four or five years, ten years to deteriorate, a touch of broken. They are the main reasons for aging damage in a short time: one is acid sizing; the other is high lignin content. So what kind of paper durability, long life.