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Polyethylene was first synthesized by the German chemist Hans von Pechmann, who prepared it by accident in 1898 while investigating diazomethane. [12] [a] [13] [b] When his colleagues Eugen Bamberger and Friedrich Tschirner characterized the white, waxy substance that he had created, they recognized that it contained long −CH 2 − chains and termed it polymethylene.
Parkesine, the first member of the Celluloid class of compounds and considered the first man-made plastic, is patented by Alexander Parkes. [4] 1869: John Wesley Hyatt discovers a method to simplify the production of celluloid, making industrial production possible. 1872: PVC was accidentally synthesized in 1872 by German chemist Eugen Baumann ...
The company demerged its existing United States subsidiary, Bowater Inc., in 1984. [14] However three years later, in 1987, the company acquired Rexham Corporation, a manufacturer of plastic, paper and foil, based in North Carolina. [15] In 1992, the company acquired Dickinson Robinson Group Packaging. [16]
Chinet is an American paper goods company established in the 1930s that produces disposable plates, bowls, napkins, and plastic cups. Owned by Huhtamaki of Espoo, Finland, its North American regional headquarters is in De Soto, Kansas.
A paper cup is a disposable cup made out of paper and often lined or coated with plastic [1] [2] or wax to prevent liquid from leaking out or soaking through the paper. [3] [4] It may be made of recycled paper. [5]
LDPE has SPI resin ID code 4 Schematic of LDPE branching structure. Low-density polyethylene (LDPE) is a thermoplastic made from the monomer ethylene.It was the first grade of polyethylene, produced in 1933 by John C. Swallow and M.W Perrin who were working for Imperial Chemical Industries (ICI) using a high pressure process via free radical polymerization. [1]
Japanese company Toto's toilet seats, made of plastic resin, may be scratched by toilet paper [Getty Images]
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. By the end of the 19th-century almost all printers in the western world were using wood instead of rags to make paper. [119]