Search results
Results from the WOW.Com Content Network
Because of its tolerance of extreme conditions, neoprene is used to line landfills. 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 ...
The skin notation designation is based on animal and human research that have shown chloroprene's ability to be absorbed by the skin. [19] An A2 designation by the ACGIH means that the substance is a suspected human carcinogen with support from human data that are accepted as adequate in quality but may not be enough to declare an A1 (known ...
Elmer Keiser Bolton (June 23, 1886 – July 30, 1968) was an American chemist and research director for DuPont, notable for his role in developing neoprene and directing the research that led to the discovery of nylon.
Hypalon is a chlorosulfonated polyethylene (CSPE) synthetic rubber (CSM) noted for its resistance to chemicals, temperature extremes, and ultraviolet light.It was a product of DuPont Performance Elastomers, a subsidiary of DuPont. [1]
Most conventionally used accelerators are problematic when CR rubbers are cured and the most important accelerant has been found to be ethylene thiourea (ETU), which, although being an excellent and proven accelerator for polychloroprene, has been classified as reprotoxic. From 2010 to 2013, the European rubber industry had a research project ...
Carothers was a group leader at the DuPont Experimental Station laboratory, near Wilmington, Delaware, where most polymer research was done. [2] Carothers was an organic chemist who, in addition to first developing nylon, also helped lay the groundwork for neoprene .
In DuPont’s research facility, tucked into a bend of Brandywine Creek in Delaware, researchers invented synthetic rubber. The laboratory, named Purity Hall, buzzed with scientists hired away ...
After over 10 years research, Jacques E. Brandenberger develops a method for producing cellophane and secures a patent. [9] 1926: Waldo Semon and the B.F. Goodrich Company developed a method to plasticize PVC by blending it with various additives. 1930 Neoprene produced for the first time at DuPont [6] 1930s: Polystyrene first produced by BASF ...