The simple papermaking process is as follows:
1. Pulping: chop trees and grass, cook until rotten, and add liquid to the pulp.
2. Paper making: screening and bleaching the pulp, and washing.
3. Papermaking: After pulping, the pulp is diluted, the mesh surface is sprayed through a pipe, extruded and rolled into a large roll, and dried to become the finished paper.
Related expansion
Papermaking is one of China’s four great inventions. During the Western Han Dynasty, people already understood the basic methods of papermaking. During the Eastern Han Dynasty, the eunuch Cai Lun summarized the experience of his predecessors and improved the papermaking process. He used plant fibers such as bark, hemp heads, rags, and old fishing nets as raw materials to make paper. The quality of paper was greatly improved.
This kind of paper raw material is easy to find, cheap and easy to promote. Since then, the use of paper has become more and more common. Paper gradually replaced bamboo slips and became a widely used writing material, which also facilitated the spread of classics.
Other scholars believe that only Caihou paper is real paper. Cai Lun was not only the inventor of papermaking, but also the basic papermaking process he invented has been used to this day. More importantly, among the many types of paper in ancient times, only Caihou paper made from plant fibers had a profound impact on the development of the world's paper industry and the spread of human civilization.
Most of the papermaking techniques in various countries around the world were passed down from China. The invention of papermaking is one of China's great contributions to world civilization. At the 20th Congress of the International Association for the History of Papermaking, held in Malmedy, Belgium, from August 18 to 22, 1990, experts unanimously recognized that Cai Lun was the great inventor of papermaking, and China was the country that invented papermaking.
The impact of papermaking
Papermaking not only facilitates people's writing, but also promotes the spread of culture. Papermaking technology was introduced to Japan in the 7th century AD, and to European countries in the 8th century AD. The widespread spread of papermaking technology played a major role in the development of human cultural undertakings. The invention and promotion of papermaking had a profound impact on the spread of science and culture around the world, and played a major role in the progress and development of society.
Papermaking has accelerated the spread of words, expanded cultural exchanges, and improved production efficiency. At the same time, it is conducive to the inheritance of culture, making paper a necessity for people's cultural life and daily life, and promoting the production and development of documents. . Papermaking was introduced to Europe through the Arabs. Cheap paper soon replaced sheepskin and calfskin, the writing materials long used in Europe, and promoted the development of European culture.
Europeans learned from Chinese printing technology and built their own movable type printing press, which greatly promoted the Renaissance movement and religious reform, and promoted ideological emancipation and social progress.
As the British scientist Francis Bacon said when evaluating China's four great inventions, including papermaking: "They changed the entire appearance and state of things in the world, and thus created There have been countless changes; it seems that no empire, no religion, no prominent figure has ever exerted greater power and influence on human endeavors than these mechanical inventions.