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Topic: Roy J. Plunkett


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In the News (Sun 27 Dec 09)

  
 Roy J. Plunkett - Wikipedia, the free encyclopedia
Roy J. Plunkett (June 26, 1910 - May 12, 1994) was the chemist who accidentally invented Teflon in 1938.
Plunkett was born in New Carlisle, Ohio and attended Manchester College (BA chemistry 1932) and Ohio State University (Ph.D. chemistry 1936).
Plunkett died on May 12, 1994 at the age of 84.
en.wikipedia.org /wiki/Roy_Plunkett   (257 words)

  
 Invent Now Hall of Fame Search Inventor Profile
Chemist Roy J. Plunkett discovered tetrafluoroethylene resin while researching refrigerants at DuPont.
Plunkett joined E.I. du Pont de Nemours & Company as a research chemist at the Jackson Laboratory in Deepwater, New Jersey in 1936, and less than two years later made his discovery of Teflon.
Born in New Carlisle, Ohio, Plunkett graduated from Manchester College in 1932 with a B.A. in chemistry.
www.invent.org /hall_of_fame/121.html   (245 words)

  
 Inventor of the Week: Archive
Plunkett's first assignment, as a research chemist at DuPont's Jackson Lab in Deepwater, New Jersey, was synthesizing new forms of the DuPont refrigerant Freon®.
Plunkett and his technician assistant, Jack Rebok, were testing the chemical reactions of the refrigerant gas tetrafluoroethylene (TFE).
Plunkett was born in New Carlisle, Ohio in 1910.
web.mit.edu /invent/iow/plunkett.html   (526 words)

  
 Plunkett
Roy J. Plunkett was born in New Carlisle, Ohio on 26 June 1910.
Whilst researching fluorocarbon refrigerants, Dr Plunkett and his technician, Jack Rebok observed that a cylinder of tetrafluorethylene gas under pressure was apparently empty.
Dr Plunkett was inducted into the National Inventors' Hall of Fame in 1985, 10 years after retiring from DuPont as Director of Operations producing their Freon refrigerants.
www.plastiquarian.com /plunkett.htm   (149 words)

  
 1938: Roy Plunkett
Roy J. Plunkett (1910-1994) is best known as the inventor of Teflon®, but he also had a long career at DuPont for several decades after his famous discovery in 1938.
Rather than discard the apparent mistake, Plunkett and his assistant tested the new polymer and found that it had some very unusual properties: it was extremely slippery as well as inert to virtually all chemicals, including highly corrosive acids.
Plunkett received many honors, including election to the Plastics Hall of Fame in 1973 and the National Inventors Hall of Fame in 1985.
heritage.dupont.com /touchpoints/tp_1938/depth.shtml   (341 words)

  
 Roy J. Plunkett
Plunkett's first assignment at DuPont was researching new chlorofluorocarbon refrigerants—then seen as great advances over earlier refrigerants like sulfur dioxide and ammonia, which regularly poisoned food-industry workers and people in their homes.
Meanwhile, Plunkett was transferred to the tetraethyl lead division of DuPont, which produced the additive that for many years boosted gasoline octane levels.
Plunkett had produced one hundred pounds of tetrafluoroethylene gas (TFE) and stored it in small cylinders at dry-ice temperatures preparatory to chlorinating it.
www.chemheritage.org /EducationalServices/chemach/pop/rjp.html   (443 words)

  
 Untitled
By 1938, research chemist Roy Plunkett and his technician Jack Rebok were trying to develop a commercial route to tetrafluoroethylene, which had been first prepared in Germany in 1933.
Roy Plunkett is now retired, after working 40 years for Du Pont, and lives in Corpus Christi, Texas.
Tetrafluoroethylene is a gas, and so Plunkett and his assistant left it stored in steel cylinders.
www.physics.uoguelph.ca /summer/scor/articles/scor194.htm   (665 words)

  
 Roy J. Plunkett
Roy J. Plunkett spent his life focusing on chemistry.
Immediately after graduation, Plunkett was hired as a research chemist by DuPont at their Jackson Laboratory in Deepwater, New Jersey.
After the discovery of Teflon, Plunkett was relocated to DuPont's tetraethyl division, where he became the supervisor.
www.wfu.edu /users/mcglkj2/royjplunkett.htm   (175 words)

  
 Textile World
As a result of a serendipitous discovery by Plunkett and his assistant Jack Rebok, Teflon polymer was developed and has led to Teflon and a family of fluoropolymers used in fibers, films and plastics in a variety of high-performance applications.
Plunkett was curious about the white powder and had the presence of mind to characterize the material for properties other than its refrigeration potential.
Plunkett’s work resulted in patents for making Teflon that were assigned to DuPont, and in 1985, Plunkett was inducted into the National Inventors Hall of Fame for his discovery of Teflon.
www.textileworld.com /News.htm?CD=2637&ID=7819   (2723 words)

  
 Teflon
It was way back on April 6, 1938 that a scientist at DuPont, Dr. Roy Plunkett, made the first batch.
Plunkett was playing around with different gases in his lab.
Plunkett which offers information on his life including a Real Audio narration.
www.members.tripod.com /~earthdude1/teflon   (743 words)

  
 April 6, 1938
On the morning of April 6, 1938, Roy J. Plunkett began his experiments with TFE and HCl as usual.
Curious, Plunkett sawed open the cylinder and found a smooth, waxy, white coating on the interior wall.
Plunkett used wiring to unclog the valve, but no gas came out.
www.wfu.edu /users/mcglkj2/april6,1938.htm   (176 words)

  
 Teflon: The Accidental Superpolymer - Michael Woods
In the spring of 1938, a young chemist named Roy J. Plunkett was trying to synthesize new refrigerant gases at an E.I. du Pont de Nemours and Company laboratory in Deepwater, New Jersey.
Plunkett opened the valve completely and ran a wire into the valve opening, but no gas escaped.
"No, I don't think so," Plunkett responded, noting that the cylinder, which rested on a laboratory scale, still contained about two pounds of what had to be tetrafluoroethylene gas.
www.worldandi.com /specialreport/1988/september/Sa15043.htm   (220 words)

  
 Welcome to egullet.org
What Roy J. Plunkett had discovered, or possibly invented, was polytetrafluoroethylene (pahl-ee-teh-tra-flor-oh-eth-a-leen), or PTFE (pee-tee-eff-ee), the world's first thermoplastic, and one of the 20th century's true talking frogs.
In the Spring of 1938, at a DuPont laboratory in Deepwater, New Jersey, Roy J. Plunkett was investigating replacements for the ammonia and sulfur dioxide used in the refrigeration equipment of the day.
And while TFE, Plunkett's proto-frog and the monomer on which PTFE is built, is a known carcinogen, PTFE itself is almost completely inert.
www.egullet.com /tdg.cgi?pg=ARTICLE-daveteflon   (1674 words)

  
 Refrigerants for the 21st Century: 5. Fluorocarbon Preparations
Roy Plunkett discovered the polymer of TFE, polytetrafluoroethylene, when, in 1938, he filled a steel cylinder with TFE gas.
Later, Plunkett noticed the pressure guage on the cylinder indicated the cylinder no longer contained a gaseous material - the pressure had dropped to near zero.
Plunkett cut the cylinder in half and found a white polymer, polytetrafluoroethylene, now known as
science.kennesaw.edu /~mhermes/fluoro/fluoro5.htm   (497 words)

  
 New Scientist Premium- Plastics protect the good life: We think of plastics as cheap, throwaway products that pollute the environment - Now, hard-wearing polymers containing fluorine could change that image - Features
Roy Plunkett had been working with an unusual gas called tetrafluoroethylene.
Plunkett noticed a white solid at the bottom of the cylinder that had previously contained the gas.
FIFTY years ago, a young chemist was working one Saturday, in the laboratories of the large American chemical company, du Pont, when he spotted something curious about one of the gas cylinders he was cleaning out.
www.newscientist.com /article.ns?id=mg12216614.400   (324 words)

  
 The History of Teflon® by DuPont tetrafluoroethylene / polytetrafluoroethylene (PTFE)
PTFE fluoropolymer resin was discovered by DuPont chemist Roy J. Plunkett in 1938.
Roy Plunkett (1911-1994) has been recognized the world over by scientific, academic and civic communities.
The spirit of invention with DuPont fluoropolymers that was led by Dr. Plunkett is commemorated globally with the DuPont Plunkett Awards For Innovation With Teflon®.
www.mindfully.org /Plastic/Teflon/Teflon-HistoryDuPont.htm   (1710 words)

  
 "Teflon and Beyond" by Edward Willett
Teflon was discovered by accident by Roy J. Plunkett, 27, a DuPont scientist who was trying to develop a new chlorofluorocarbon (CFC) for use as a refrigerant by reacting a gas called tetrafluoroethylene (TFE) with hydrochloric acid.
Apparently the cold and pressure had caused the molecules of TFE to join together in long chains, or polymerize, so Plunkett dubbed the new stuff polymerized tetrafluoroethylene (PTFE), and patented it for the company in 1941.
Plunkett, frustrated, took off the valve, turned the canister upside-down, and shook it.
www.edwardwillett.com /Columns/teflon.htm   (761 words)

  
 Search Results for polytetrafluoroethylene - Encyclopædia Britannica
PTFE was discovered serendipitously in 1938 by a DuPont chemist, Roy Plunkett, who found that a tank of gaseous tetrafluoroethylene (CF2CF2) had polymerized to a white powder.
www.britannica.com /search?query=polytetrafluoroethylene&submit=Find&source=MWTEXT   (262 words)

  
 Interplast Inc, leading manufacturer of PTFE products
This highly unique material was accidentally discovered by Dupont chemist, Roy Plunkett working with Freon gasses in 1938.
The residual powder that remained in the canister came to be known as Polytetrafluoroethylene (PTFE).
www.interplastinc.com /history.htm   (93 words)

  
 Zeus - PTFE Resin Properties - Polytetrafluoroethylene
Originally discovered in 1930’s by DuPont scientist Dr. Roy Plunkett, PTFE was first used in the top secret Manhattan Project during WWII.
www.zeusinc.com /ptfe.asp?source=email1   (316 words)

  
 Teflon Coating
On April 6, 1938 a DuPont® scientist, Dr. Roy Plunkett, accidentally discovered Polytetrafluoroethylene (PTFE) while trying to produce a better coolant gas.
Since Polytetrafluoroethylene is not a very catchy name, Dr. Plunkett abbreviated it and Teflon® was born.
By the early 1950s, Marc Gregoir of Paris successfully applied Teflon® to his fishing tackle hoping to minimize tangling.
www.continentalcompanies.com /teflon4.html   (333 words)

  
 O HI' O Defined - Ohio Facts 3
Roy J. Plunkett of New Carlisle invented Teflon in 1938.
Semple of Mount Vernon patented chewing gum in 1869.
www.oplin.lib.oh.us /ohiodefined/facts-3.htm   (416 words)

  
 Teflon - TheBestLinks.com - Ethene, Friction, Gun, Manhattan Project, ...
Teflon is the brand name of a compound discovered by Roy J. Plunkett (1910-1994) of DuPont in 1938 and introduced as a commercial product in 1946.
www.thebestlinks.com /Teflon.html   (293 words)

  
 GLASS ON WEB - Glass News - DuPont Plunkett Awards Recognize Innovations with Fluoropolymers
The awards were established in 1988 in honor of the 50th anniversary of the discovery of Teflon® PTFE fluoropolymer resin by DuPont scientist Roy Plunkett.
The DuPont Plunkett Awards 2002 regional winners received USD 5,000 for first place, USD 3,000 for second place and USD 1,500 for third place.
GLASS ON WEB - Glass News - DuPont Plunkett Awards Recognize Innovations with Fluoropolymers
www.glassonweb.com /news/index/673   (404 words)

  
 CHEMISTRY
Plunkett, Roy--Tells about the life and scientific contributions of Roy J. Plunkett, the inventor of teflon.
Roy Plunkett--Brief biography of the man who invented teflon.
Sherman, Patsy--Brief biography of Patsy Sherman who along with her partner developed Scotchgard.™ Brief biography of her partner Samuel Smith.
www.tms.riverview.wednet.edu /LRC/chemistry.htm   (1523 words)

  
 Physics.org - Physics Life Item Links
Teflon was discovered by Roy Plunkett whilst working with the gases used in refrigerators and is now used for all sorts of unusual items.
Today non-stick cookware is coated in a heat resistant substance called polytetrafluoroethylene (PTFE), more commonly known as Teflon.
www.physics.org /physics_life/ViewItem.asp?id=10   (42 words)

  
 Invention & Technology
Roy Plunkett finds an unfamiliar substance inside a gas canister and turns it into Teflon; Samuel Colt sees a ship’s wheel turn and uses the principle to invent his revolver.
Alluring as such tales are, they obscure both the insight needed to take advantage of a chance observation and the hard work needed to develop it.
www.inventionandtechnology.com /xml/2005/4/it_2005_4_feat_4.xml   (5340 words)

  
 Roy J. Plunkett - Wikipedia, the free encyclopedia
Roy J. Plunkett (June 26, 1910- May 12, 1994) was the chemist who accidentally invented Teflon in 1938.
Plunkett was born in New Carlisle, Ohio and attended Manchester College (BA chemistry 1932) and Ohio State University (Ph.D. chemistry 1936).
Plunkett died on May 12, 1994 at the age of 84.
en.wikipedia.org /wiki/Roy_J._Plunkett   (272 words)

  
 Dedwarmo
Teflon was invented by Roy Plunkett who was a researcher for Du Pont.
Now there is a new kind of bakeware that looks and feels like rubber, but you can use it to bake things.
This new material is sold as Smartware and the material is called Temperflex.
dedwarmo.blogspot.com   (680 words)

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