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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 first issue of Plastics magazine, October 1925, featured Bakelite on its cover and included the article "Bakelite – What It Is" by Allan Brown. The range of colors that were available included "black, brown, red, yellow, green, gray, blue, and blends of two or more of these". [ 20 ]
LEXAN is the flagship product of SABIC Innovative Plastics (formerly GE Plastics) and is used in everything from CDs and DVDs to car bumpers. Though Dr. Fox is often credited with the invention of LEXAN resin, the patent and agreement to share the plastic between Bayer and General Electric is much more complicated than the simplistic "Father of ...
In the plastic-polluted waters of the Sargasso Sea, bacteria have been found that consume various types of plastic; however, it is unknown to what extent these bacteria effectively clean up poisons rather than simply release them into the marine microbial ecosystem. Plastic-eating microbes also have been found in landfills. [99]
The Lower Paleolithic period lasted over 3 million years, during which there many human-like species evolved including toward the end of this period, Homo sapiens.The original divergence between humans and chimpanzees occurred 13 (), however interbreeding continued until as recently as 4 Ma, with the first species clearly belonging to the human (and not chimpanzee) lineage being ...
Stephanie Louise Kwolek (/ ˈ k w oʊ l ɛ k /; July 31, 1923 – June 18, 2014) was a Polish-American chemist best known for inventing Kevlar (poly-paraphenylene terephthalamide). ). Her career at the DuPont company spanned more than 40 ye
Lloyd Groff Copeman (December 28, 1881 – July 5, 1956) [1] was an American inventor who devised the first electric stove and the flexible rubber ice cube tray, among other products.
Plunkett was born in New Carlisle, Ohio and attended Newton High School in Pleasant Hill, Ohio. [1]In 1932, he graduated from Manchester University with a B.A. in chemistry. . He received his Ph.D. in chemistry in 1936 from Ohio State University for his work on The Mechanism of Carbohydrate Oxidati