PKG101_FS08_Paper___Paperboard_-_Outline

PKG101_FS08_Paper___Paperboard_-_Outline - Paper and...

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Paper and Paperboard
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Paper History Paper first made in 200 AD in China Used chopped up fishing nets Ts’ai Lun uses tree bark and scraps of linen and hemp (100AD) 793 AD paper making spreads to Africa and Europe Book publishing 1450’s Newspaper printing in 1609
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Papermaking Process Technique kept secret in China for several hundred years In 700’s Turkestan plant captured by Syrians Skilled papermakers (prisoners) were taken to Samarkand Syrians built papermaking facilities Normal trade spread technology to Baghdad, Egypt, Morocco, England, France, and rest of world
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Paper Supply/Demand Demand limited for many years Limited application (writing) Few people could read or write No printing presses Limited supply of raw material (rags) Situation changed 1440 when Guttenberg invented printing press Invention revolutionize the production of books e.g. Guttenberg Bible 1452
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Paper at time (up to) Guttenberg Single sheet manufacturing Process invented 1600 years previously in China Uses Formal written communications (letters) Hand lettered books Medium for painting
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Guttenberg Press Invention
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Paper after Guttenberg Multiple copies of books and documents Demand increased rapidly Supply of rags became inadequate o Forced shift to wood as fiber source o Process based on observations of wasps building nests o Still primary raw material
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Process Development Single sheet - batch process could not economically satisfy the increased demand for paper Needed continuous processes for faster production. Two new processes developed in France
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PKG101_FS08_Paper___Paperboard_-_Outline - Paper and...

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