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He invented polyether polyurethane rubber, a form of foam rubber which became widely used in sponges, mattresses, cars, insulation and building materials, flotation devices, and packaging. [5] He obtained U.S. Patent 2,866,774 for elastomeric polyether urethanes (Filing Date: 09/23/1953; Publication Date: 12/30/1958).
Foam rubber was first made in 1929, by E. A. Murphy [2] and Eric Owen, two research chemists at Dunlop Rubber, who used whipped latex. In 1937, isocyanate-based materials were first used to make foam rubber. After World War II, styrene-butadiene rubber replaced many natural types of foam. Foam rubber has been used commercially for a wide range ...
Projects. vulcanize rubber discovered in 1839, process perfected and patented in 1844. Signature. Charles Goodyear (December 29, 1800 – July 1, 1860) was an American self-taught chemist [1][2] and manufacturing engineer who developed vulcanized rubber, for which he received patent number 3633 from the United States Patent Office on June 15, 1844.
The Pennsylvania State Capitol is the seat of government for the U.S. state of Pennsylvania located in downtown Harrisburg. The building was designed by architect Joseph Miller Huston in 1902 and completed in 1906 in a Beaux-Arts style with decorative Renaissance themes throughout. The capitol houses the legislative chambers for the ...
84003512 [1] Added to NRHP. August 23, 1984. The Lee Tire and Rubber Company, now known as Lee Park, is an historic, American rubber and tire factory complex that is located in the Spring Mill section of Whitemarsh, Montgomery County, Pennsylvania. It was added to the National Register of Historic Places in 1984. [1]
The Talalay process is a method of producing molded pieces of latex foam rubber. A liquid latex rubber base is introduced to a closed mold and is then vacuumed of air. The mold is then frozen to stabilize the cell structure. Carbon dioxide gas is introduced and the mold is heated to cure the rubber. Leon, Joseph, and Anselm Talalay [ 1 ...
The Goodyear Tire & Rubber Company is an American multinational tire manufacturer headquartered in Akron, Ohio. Goodyear manufactures tires for passenger vehicles, aviation, commercial trucks, military and police vehicles, motorcycles, RVs, race cars, and heavy off-road machinery. It also licenses the Goodyear brand to bicycle tire ...
Polyurethane synthesis, wherein the urethane groups −NH−(C=O)−O− link the molecular units A kitchen sponge made of polyurethane foam . Polyurethane (/ ˌ p ɒ l i ˈ jʊər ə ˌ θ eɪ n,-j ʊəˈr ɛ θ eɪ n /; [1] often abbreviated PUR and PU) refers to a class of polymers composed of organic units joined by carbamate (urethane) links.