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Cai Lun
- Cai Lun (Traditional Chinese: 蔡倫; Simplified Chinese: 蔡伦; Hanyu Pinyin: Cài Lún; Wade-Giles: Ts'ai Lun) (ca. 50–121 C.E.), courtesy name Jingzhong (敬仲), is conventionally regarded as the Chinese inventor of paper and the papermaking process, in forms recognizable in modern times as paper (as opposed to Egyptian papyrus).
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And at about the same time, by mid-1844, they announced their findings. They invented a machine which extracted the fibres from wood (exactly as with rags) and made paper from it. Charles Fenerty also bleached the pulp so that the paper was white. This started a new era for paper making.
Oct 19, 2023 · Papermaking is traditionally believed to have been invented by Cai Lun, a Chinese eunuch and official during the Eastern Han Dynasty, around 105 CE. Cai Lun’s contribution to papermaking involved the refinement of the process, making it more consistent and practical for widespread use.
Before the widely acknowledged invention of papermaking by Cai Lun in China around AD 105, paper-like writing materials such as papyrus and amate were produced by ancient civilizations using plant materials which were largely unprocessed.
From these crude beginnings, modern papermaking machines evolved. By 1875 paper coated by machinery was being made for use in the printing of halftones by the new photoengraving process, and in 1884 Carl F. Dahl invented sulfate (kraft) pulp in Danzig, Germany.
The basic stages of this classic process of papermaking were illustrated fifteen centuries after Cai Lun in woodcuts within the 17th-century history of technology by Song Yingxing (b. 1587). Step 1: Cutting, crushing, and moisturizing.
According to tradition, paper was first made in AD 105 by Ts'ai Lun (50?-118), a eunuch attached to the Eastern Han court of the Chinese emperor Ho Ti (r. 89-105). One Chinese record states that he " …first made paper by pulping fishing nets and rags. Later, he used the the fibres of plants; any which proved sufficiently elastic in tension ...
Matthias Koops (active 1789–1805) was a British paper-maker who invented the first practical processes for manufacturing paper from wood pulp, straw, or recycled waste paper, without the necessity of including expensive linen or cotton rags.
