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7 8 Papyrus is a thick, paper-like material produced from the pith of the Cyperus papyrus plant, which was used in ancient Egypt and other Mediterranean cultures for writing before the introduction of paper into the Middle East and Europe. 9 Although the word paper is etymologically derived a paper gun war from papyrus, the two are produced very differently and the development of the first is distinct from the development of the second. Papyrus is a lamination of natural plant fibres, while paper is manufactured from fibres whose properties have been changed by maceration.2 Papermaking Main article: Papermaking Chemical pulping Main articles: kraft process, sulfite process, and soda pulping To make pulp from wood, a chemical pulping process separates lignin from cellulose fibres. This is accomplished by dissolving lignin in a cooking liquor, so that it may be washed from the cellulose ; this preserves the length of the cellulose fibres. Paper made from chemical pulps are also known as wood-free papers not to be confused with tree-free paper ; this is because they do not contain lignin, which deteriorates over time.

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See also: wood pulp and deinking Before the industrialisation of the paper production the most common fibre source was recycled fibres from used textiles, called rags. The rags were from hemp, linen and cotton.6 A process for removing printing inks from recycled paper was invented by German jurist Justus Claproth in 1774. 6 Today essay writers block help this method is called deinking. It was not until the introduction of wood pulp in 1843 that paper production was not dependent on recycled materials from ragpickers. 6 Etymology Further professional resume writing services in woodbridge va information: Papyrus The word "paper" is etymologically derived from Latin papyrus, which comes from the Greek ( papuros the word for the Cyperus papyrus plant.

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The pulp papermaking process is ascribed. Cai Lun, a 2nd-century AD, han court eunuch. 2, with paper as an effective substitute for silk in many applications, China could export silk in greater quantity, contributing.Its knowledge and uses spread from China through the paper writing boy emoji Middle East to medieval Europe in the 13th century, where the first water powered paper mills were built. 3 Because of paper's introduction to the West through the city of Baghdad, it was first called bagdatikos. 4 In the 19th century, industrial manufacture greatly lowered its cost, enabling mass exchange of information and contributing to significant cultural shifts. In 1844, the Canadian inventor Charles Fenerty and the German.Keller independently developed processes for pulping wood fibres. 5 Early sources of Fibre Ancient Sanskrit on Hemp based Paper. Hemp Fibre was commonly used in the production of paper from 200 BCE to the Late 1800's.

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For other uses, see, paper (disambiguation). Paper is a thin best essays in english literature material produced by pressing together moist fibres of cellulose pulp derived from wood, rags or grasses, and drying them into flexible sheets. It is a versatile material with many uses, including writing, printing, packaging, cleaning, and a number of industrial and construction processes.The pulp papermaking process is said to have been developed. China during the early 2nd century AD, possibly as early as the year 105.D., 1 by the, han court eunuch, cai Lun, although the earliest archaeological fragments of paper derive from the 2nd century BC in China. 2, the modern pulp and paper industry is global, with China leading its production and the United States right behind.Contents, history, main article: History of paper. The oldest known archaeological fragments of the immediate precursor to modern paper, date to the 2nd century.