The main component of absorbent paper is cellulose, which is a natural organic polymer compound. The cellulose in the paper is interlaced into a net, which has many gaps and can contain water. This is the so-called capillary effect. In the final analysis, it is because of tension that the paper usually used is absorbent paper.

Absorbent paper containing polymer is a special sanitary material, which is mainly used in sanitary napkins, diapers and beauty absorbent masks. Physically, it consists of pure wood pulp paper or wet strength toilet paper, polymer water-absorbent resin, rubber powder, fluff pulp, etc. The processing technology is heat sealing and bonding.

Extended data

Manual slurry filling technology is a brand-new method for repairing ancient books, which is completely different from the traditional method for repairing ancient books. It uses paper "rejuvenation" to make repair pulp, uses simple tools and uses the "grouting method" principle of traditional manual papermaking.

The pulp is evenly distributed on the damaged and repaired pages of ancient books. By using the fiber hydrogen bonding force, fiber interweaving force and adhesion of the composite components of wet paper, the paper is made and firmly adhered to the repaired pages of ancient books.

It has the advantages of fast repair, simple operation and easy mastery, and is suitable for the characteristics of large number and large damage of ancient books in China.

The paper we use to repair books now is handmade paper, Xuan paper is a kind of handmade paper, and absorbent paper belongs to handmade paper. Stir the handmade paper into paste with a blender, and then fill the hole with a dropper, which is equivalent to filling the hole without mounting.

The traditional repair method is mounting, repairing holes with paper, and then treating the edges of the paper. It comes in different sizes. The national standard is that the edge of paper is less than two millimeters. Comparatively speaking, the repair of pulp is much faster. After the pulp is repaired and dried, the edge of the paper is only a few tenths of a millimeter.

But what's wrong with traditional mounting? One is the increase in thickness, and the other is that after extensive use of paste, such as Nanjing and Shanghai, including the middle and lower reaches of the Yangtze River, it is rainy season for quite a while, and the restored books are prone to mildew and moth-eaten, which is a very bad thing for libraries.

Baidu encyclopedia-absorbent paper