一、图书文件资料纸张的老化状况日趋严重馆藏图书、文件、资料是重要的民族文化遗产、历史的真实纪录,是社会科学、自然科学发展的精髓,是国家和人民的宝贵财富。自从纸张问世以后,给各民族的文化事业发展,起了很大的推动作用。随着科学技术的发展,人们文化生活水平的提高,对纸的需求量越来越大,从而促进了机制纸的出现和发展。由于用纸量的急增,造纸方法的变革,纸的耐久性开始下降。现代书籍、文件、资料的纸张“寿命”也随之越来越短。过去不少人认为“书可以永存”的观点,已证实是错误的。图书馆藏书、档案部门保存的文件以及资料无不昨天在变坏、今天在变坏、明天将继续在变坏。严重老化的纸张 I. Aging of paper and paper The aging of paper is worsening. Collecting books, documents and materials is an important national cultural heritage and a true record of history. It is the essence of the development of social sciences and natural sciences, and a precious asset for the country and its people. Since the publication of the paper, it has played a very big role in promoting the development of the cultural undertakings of all ethnic groups. With the development of science and technology, the improvement of people’s cultural life and the increasing demand for paper have promoted the emergence and development of mechanism paper. Due to the sharp increase in the amount of paper used, the papermaking method of change, paper durability began to decline. The paper “lifespan” of modern books, documents and materials also gets shorter and shorter. In the past, many people think that “the book can last forever” viewpoint has proved to be wrong. The library books, the files and information kept by the archives department all went bad yesterday, worse today and tomorrow will continue to deteriorate. Seriously aged paper