Search results
Results from the WOW.Com Content Network
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 ...
Neoprene's burn point is around 260 °C (500 °F). [21] In its native state, neoprene is a very pliable rubber-like material with insulating properties similar to rubber or other solid plastics. Neoprene foam is used in many applications and is produced in either closed-cell or open-cell form.
From the 1870s up to the onset of World War I (1914), the organic chemical industry of Germany was a world-leading force in research, development, production, and export; most organic compounds used in America, such as textile dyes and some medicines, were imported from Germany. [1]
Although it may have been discovered earlier, chloroprene was largely developed by DuPont during the early 1930s, specifically with the formation of neoprene in mind. [4] The chemists Elmer K. Bolton , Wallace Carothers , Arnold Collins and Ira Williams are generally accredited with its development and commercialisation although the work was ...
Carothers invented neoprene, a synthetic rubber; [16] the first polyester superpolymer; and, in 1935, nylon. The invention of Teflon followed a few years later and has since been proven responsible for health problems in those exposed to the chemical through manufacturing and home use. [17] DuPont introduced phenothiazine as an insecticide in ...
Neoprene was not the only material used in early wetsuits, particularly in Europe and Australia. The Pêche-Sport "isothermic" suit [ 23 ] [ 24 ] [ 25 ] invented by Georges Beuchat in 1953 and the UK-made Siebe Gorman Swimsuit [ 26 ] were both made out of sponge rubber.
Table-Tennis – was invented on the dinner tables of Britain as an indoor version of tennis; Snooker – Invented by the British Army in India [243] Ping pong – The game has its origins in England, in the 1880s; Bowls – has been traced to 13th century England [244] Field hockey – the modern game grew from English public schools in the ...
September 8 – Scotch Tape, invented by Richard Gurley Drew, is sold by the 3M company in the United States for the first time. [21] September 14 – 1930 German federal election: National Socialists win 107 seats in the German Parliament, the Reichstag (18.3% of all the votes), making them the second largest party. [22]