Kaylah B. 2012How is Paper Made
Introduction Paragraph
paper is made from trees and other materials. There are a lot of steps to making paper. When it was first invented it had less steps to the process. Then the inventor added more steps and made the paper better and more durable. The next 3 paragraphs tell the more about paper. There are three pictures and one diagram that should help make the process of how paper is made easier to comprehend. If you don't understand check the glossary at the end of the page. ENJOY!!
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The process of making paper (now a days):

First,trees get cut down. Second,trees get cut down. Third, pulping helps reduce the wood to slurry of loose fibers then put in water. The logs are sliced into chips then treated with chemicals in a digester. These dissolve the lignin, binding the wood fibers together. They then may grind the logs in water to produce pulp. The the pulp is bleached. Fourth, the pulp goes in the mixer where are added to improve the quality of the paper. The additives include white fillers such as china clay for water proofing and colored pigments. The mixer beats the fibers into a smooth pulp. Fifth, Liquid pulp is put from the flow box onto the mesh belt. Water drains through the holes in the mesh belt. The drainage is suctioned up The dandy roll presses together into a wet ribbon known as a web. Sixth, Belts move the web between the press rolls, which removes more water and compresses the paper. Seventh, the damp paper moves through the drier, where it passes between hot cylinders and felt- covered belts that absorb water. It then passes through the calendar stacks before being wound on reel or cut into sheets of paper.


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Magnified paper ( figure 2) Magnified paper ( figure 2)

magnified carbonless paper.jpg

paper making process.jpg




The process of how paper was first made

First, take lots of old rags, inner part of a mulberry tree, and pieces of bamboo. Second, leave the pieces to soak in water. Third, pound the paper all the way through so you break up all the fibers. Fourth, pour the mixture through a coarsely wove cloth and then let the water drain through it, which leaves the fibers on the cloth. Fifth, spread the fibrous mixture out in a thin layer and make sure you smooth it well. Sixth, leave it to dry in the sun. When it’s dry remove the paper and write on it (with a brush and ink)






Who invented paper

A man named Cai Lun or Jingzhong was regarded as the inventor of paper and the process of it. He was born in 50 AD and died in AD 121. He also made the paper making technique better and made it possible to use lots of different materials such as tree bark, hemp waste, old rags and fishnets. The hemp rag paper was made in 206 BC to 24 AD. The bamboo paper was produced in 608 AD-907 AD. Xaun paper was made in Jingzhong County was mainly used in Chinese paintings. The Xaun paper was soft, smooth, very white and durable. Paper making was the introduced to Vietnam and Korea during the 3rd century. Paper making was the fourth important things in China.

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Glossary

Lignin – A chemical compound from wood, plants and some Algae

Mesh Belt – A conveyor belt or a moving surface in factories.

Paper- a thin substance you can draw, write, fold with etc.

Pulp-A mixture of cellulose, wood, and rags. Mostly smooth, thick, gooey substance

Xaun paper – Type of paper Cai Lun invented.

Citations

Cai Lun". Encyclopedia Britannica. Encyclopedia Britannica Online
Encyclopedia Britannica Inc., 2012. Web. 02 Oct. 2012



Compton's by Britannica. Encyclopedia Britannica Online School Edition.

Encyclopedia Britannica, Inc., 2012. Web. 25 Sept. 2012.

Macaulay, David. "The Way Things Work [Hardcover]." The Way Things Work: David Macaulay: 9780395428573: Amazon.com: Books. N.P., n.d. Web. 27 Sept. 2012.

Slavin, Bill. "Transformed: How Everyday Things Are Made [Hardcover]." Transformed: How Everyday Things Are Made: Bill Slavin: 9781553371793: Amazon.com: Books. N.P., n.d. Web. 27 Sept. 2012.

Cai Lun". Encyclopedia Britannica. Encyclopedia Britannica Online
Encyclopedia Britannica Inc., 2012. Web. 02 Oct. 2012






diagram udhfousd2.JPG