When was parchment paper invented

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Human Ear ». Rip off the baking paper and put it on the tray. For completeness our history will cover papyrus, parchement, vellum and paper and give information on the development and usage of each of these writing materials. Papyrus is similar in many ways to paper, including being made of plant material and being made into sheets. Papyrus is made from the pith of papyrus plant Cyperus papyrus , with sheets being made of a layer of flattened strips of pith laid together, each slightly overlapping, and then a second layer laid at right angles to the first.

This is then pressed and smoothed to produce the final papyrus sheet. Papyrus use spread across Europe and was in regular use until the 7th and 8th centuries. How far north Papyrus spread is unknown but it was fragile and easily damaged by the moisture often found in Northern Europe. In Europe papyrus was replaced by cheaper and more durable parchment, it's last dated use being for a papal decree in Further information on the history of Papyrus. Parchment, unlike paper and papyrus, is made from stretched and dried animal skins.

It is then cut into sheets for use as a writing material. Roy Plunkett took a job with DuPont working with synthesizing new forms of refrigerant. In , he and his assistant were experimenting with a potential gas refrigerant and Dr.

Plunkett discovered when the gas was frozen, it became a waxy white powder. The newly discovered substance was useful because it was slippery, non-corrosive, stable, and had a high melting point.

The substance had various uses until the s, when it was mainly marketed as Teflon, a coating for non-stick pans. Teflon is still used today in cookie sheets, baking dishes, and other non-stick pans. Before parchment paper was used for baking, people used regular white paper in layers, but this often came with a warning that if it was burned, your dish would have a strange odor to it.

Everyone knows that greasing pans can be a pain and can affect the way your baked goods turn out. So, parchment paper was quite the blessing.

Over the course of modern human history, mankind has strived to find ways to record written information on easy-to-use materials that can survive long periods of time.

Carving words into stone, woods or pottery was not efficient and demanded a lot of resources, so other storage mediums had to be found. History of paper and paper-like materials started more than years ago in the birthplace of modern civilization — Egypt, Sudan and ancient Mesopotamia.

Extracted from the plant Cyperus Papyrus, paper like material papyrus began its life as one of the most famous storage mediums for written word.