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Topic: Wallace H Carothers


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In the News (Mon 17 Jun 19)

  
 carothers   (Site not responding. Last check: 2007-10-02)
Carothers was attracted to the opportunity to do fundamental research and was pleased with his budget for supplies and equipment.
Carothers also missed the polymerization of a single amino compound, caprolactam, which was used to produce nylon 6 by Paul Schlack at IG Farben in Germany in the late 1930s.
Carothers' career was extrordinarily productive, but mental illness was a heavy cloud hanging over his brilliant research.
www.unav.es /quimicayedafologia/physchem/carothers.htm   (1486 words)

  
 1928: Wallace Carothers
Wallace Hume Carothers (1896-1937) spearheaded DuPont's first decade of basic organic chemistry research.
Carothers was lured from Harvard to DuPont in 1927 with the promise that he could pursue basic research, specifically looking at polymers – molecules with long, repeating chain structures.
In one remarkable month, April 1930, Carothers’ team discovered neoprene synthetic rubber and synthesized the first polyester superpolymer, the forerunner of nylon.
heritage.dupont.com /touchpoints/tp_1928/overview.shtml   (128 words)

  
 Nylon and racquet strings   (Site not responding. Last check: 2007-10-02)
DuPont researchers, led by Dr. Wallace H. Carothers, first invented the nylon 66 polymer in the 1930s.
Wallace Carothers was 32 years old when he was appointed director of Du Pont Corporation's research center.
He made major contributions to the understanding of their structure and of polymerization, how these long chain molecules form.NylonNylons are one of the most common polymers used as a fiber.
www.stringsandgrips.homestead.com /AboutNylonStrings.html   (744 words)

  
 Features Item : Consultants' Corner   (Site not responding. Last check: 2007-10-02)
Carothers was called to DuPont to carry out fundamental research, and in the course of his basic research began a systematic study of the reaction of polyacids and polyols.
Carothers compared this to another way of forming polymers, such as polystyrene, in which the monomer is converted directly to polymer without the evolution of a byproduct.
As a result of his research on functionality and gel concepts, he was able to classify polymers as addition and condensation, depending on the way these polymers are formed.
www.pcimag.com /CDA/ArticleInformation/features/BNP__Features__Item/0,1846,194,00.html   (559 words)

  
 Untitled
Stine encouraged Carothers to study the chemistry of large molecules, or polymers, which were the subject of considerable scientific controversy in Europe but of very little actual research anywhere.
Instead of studying cellulose itself to determine its structure, Carothers proposed the novel idea of building synthetic polymers that would be of known composition and structure.
It was an accepted belief within the company that the Carothers phenomena could be repeated many times: exploring new areas of science would lead to "new nylons." The opportunities present in science were regarded as so great that DuPont could risk giving away some valuable information in scientific publications.
heritage.dupont.com /essay.shtml   (4270 words)

  
 Wall Preparation   (Site not responding. Last check: 2007-10-02)
Preparation H is a popular brand of medications used in the treatment of hemorrhoids.
Wyeth Consumer Healthcare, the makers of Preparation H, have also released the product in a suppository form, which is not as popular as the cream.
The Canadian formulation of Preparation H includes a yeast extract which has been removed from the formulation sold in the United States.
www.wwwtln.com /finance/198/wall-preparation.html   (886 words)

  
 Nat' Academies Press, Biographical Memoirs V.82 (2003)
DUPONT AND CAROTHERS (1934–1938) Flory was offered a position at DuPont during the height of the depression, when very few jobs were available in either industry or the academic world.
When this work was started, it was commonly supposed that the normal reactivity of a given kind of functional group would be suppressed if it were on a large molecule: Mere size per se was considered to impart a sluggishness that would bar unlimited chain growth.
Carothers had correctly concluded that this state indicated infinite molecular weight, with the chains forming a giant network; but he calculated from simple stoichiometry the number average molecular weight as the appropriate signal.
www.nap.edu /openbook/0309086981/html/114.html   (4803 words)

  
 The Sexyloops' Fly Fishing Glossary - Nylon
Invented by accident in the late 1920's by Wallace H. Carothers whilst researching pioneering work into giant molecules for the Dupont Corp., Nylon was the first totally synthetic textile fibre.
Wallace and Dupont shot to fame over night when the product was first commercialised in the late 1930's when used in ladies stockings.
Wallace also went on to invent other famous products such as Neoprene in the 1930.
www.sexyloops.com /glossary/nylon.shtml   (164 words)

  
 C&EN: Chemistry Crystallizes Into Modern Science
Carothers used well-developed methods for putting together low molecular weight organic molecules to synthesize first aliphatic polyesters and then aliphatic polyamides.
A decade later, John H. Northrop, working with crystalline pepsin, trypsin, and chymotrypsin, made the case even more solidly by showing that the protein content of these three digestive enzymes correlated directly with their catalytic activity.
H became available for investigating biochemical pathways, ushering in what medical historian Frederic L. Holmes calls "the golden age of laying down all the metabolic pathways.
pubs.acs.org /hotartcl/cenear/980112/crystal2.html   (14983 words)

  
 Paul John Flory, June 19, 1910–September 8, 1985 | By William S. Johnson, Walter H. Stockmayer, and Henry Taube | ...   (Site not responding. Last check: 2007-10-02)
SCIENTIFIC WORK (BY WALTER H. Commencing in 1934 Flory dealt with most of the major problems in the physical chemistry of polymeric substances, among them the kinetics and mechanism of polymerization, molar mass distribution, solution thermodynamics and hydrodynamics, melt viscosity, glass formation, crystallization, chain conformation, rubberlike elasticity, and liquid crystals.
He was especially fortunate in being assigned to work directly under the great Wallace H. Carothers, whose contributions to a firm grounding of the macromolecular concept rivaled those of Hermann Staudinger.
One example of this type was already a well-known commercial product, glyptal (made from glycerol and phthalic anhydride), and it was well known that such systems attain a state of zero fluidity (the gel point) at a stage well short of complete reaction.
www.nap.edu /readingroom/books/biomems/pflory.html   (6155 words)

  
 No. 666: Wallace Carothers
Carothers was born an only child in Iowa, in 1896.
He tells of Carothers's "personal warmth," his "generosity of spirit," and his "sense of humor." But he also says that Carothers suffered mounting manic-depressive mood swings.
During nine years at Du Pont, Carothers finished his 62nd technical paper and filed his 69th patent.
www.uh.edu /admin/engines/epi666.htm   (445 words)

  
 Resume, Dr. Matthew E. Hermes, Adjunct Professor, Kennesaw State University
Carothers, A Man Clinging to His Craft, Presentations to the Delaware Section, American Chemical Society, April 17, 1996, the Middle Atlantic Regional Meeting, American Chemical Society, May 23, 1996 and the Delaware Section, American Institute of Chemical Engineering, Jan. 23, 1997.
Wallace Carothers, Inventor of Nylon, Presentation to the San Francisco Psychobiography Group, Jan. 14, 1993.
Wallace Carothers, Inventor of Nylon, Presentation to the Wyoming Section of the American Chemical Society, April 27, 1993.
science.kennesaw.edu /~mhermes/mh.htm   (819 words)

  
 Carothers Info for web
The Carothers Lecture Award was established by the Delaware Section of the American Chemical Society in 1976 in memory of Wallace H. Carothers, one of the founders of modern polymer chemistry.
Domenico Mortellito, a well-known local sculptor, muralist and painter, who has pioneered the use of synthetic materials in the fine arts.
Nominations are currently being accepted for the 2004 Carothers Award, which will be presented in April 2004.
membership.acs.org /d/del/Carothersweb.htm   (265 words)

  
 Wallace Carothers
In 1929, he became the first industrial chemist to be elected to the National Academy of Sciences.
Forgiveness is the fragrance that the violet sheds on the heal that has crushed it.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
www.brainyencyclopedia.com /encyclopedia/w/wa/wallace_carothers.html   (183 words)

  
 Paul J. Flory - Autobiography
There it was my good fortune to be assigned to the small group headed by Dr. Wallace H. Carothers, inventor of nylon and neoprene, and a scientist of extraordinary breadth and originality.
A year after the untimely death of Carothers, in 1937, I joined the Basic Science Research Laboratory of the University of Cincinnati for a period of two years.
With the outbreak of World War II and the urgency of research and development on synthetic rubber, supply of which was imperiled, I returned to industry, first at the Esso (now Exxon) Laboratories of the Standard Oil Development Company (1940-43) and later at the Research Laboratory of the Goodyear Tire and Rubber Company (1943-48).
nobelprize.org /chemistry/laureates/1974/flory-autobio.html   (1152 words)

  
 Encyclopedia: Wallace H. Carothers
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Several years later, Carothers carried out the experiments that resulted in the production of nylon.
Click for other authoritative sources for this topic (summarised at Factbites.com).
www.nationmaster.com /encyclopedia/Wallace-H.-Carothers   (309 words)

  
 SPOOM Discussion Board   (Site not responding. Last check: 2007-10-02)
H H Traders is a Dealer of Used Textile Machinery and Parts.
With owning 03 warehouses, 02 for looms and 01 for spare part, H H Traders is one of the leading Trading Company in field of used weaving machinery, found at Karachi.
Nylon thread was invented in 1934 by Wallace H. Carothers and Donald D. Coffman at a DuPont laboratory about five miles from where I sit at this moment.
www.spoom.org /discus/messages/9/20.html?1117751244   (6059 words)

  
 History - Dept. of Chemistry - UIUC
Election to membership in the National Academy of Sciences, for example, has singled out many Illini who were members of the faculty at the time of election: Roger Adams (1929), Herbert E. Carter (1953), David Y. Curtin (1964), Harry G. Drickamer (1965), Reynold C. Fuson (1944), Irwin c.
Surely Wallace H. Carothers would have been a fourth had he lived.
The Priestley Medal, generally considered to be the highest honor given by the American Chemical Society, has been awarded to nine Illinois chemists or nearly a third of all the awardees to date: Roger Adams (1946), John C. Bailar, Jr.
www.scs.uiuc.edu /chem/history_fuson1.html   (1557 words)

  
 Preparation of anhydride copolymers - Patent 4789724
Julian W. Hill and Wallace H. Carothers, Studies of Polymerization and Ring Formation.
Aliphatic polyanhydrides were first prepared in 1932 by Hill and Carothers, as described in J. Am.
A number of aromatic and heterocyclic polyanhydrides, intended as substitutes for polyesters in textile applications, were further investigated over the next thirty years.
www.freepatentsonline.com /4789724.html   (3874 words)

  
 A Science Odyssey: People and Discoveries: Search Results
Nylon is invented 1935 Photo: Wallace Carothers, shown at work in Du Pont's
first man-made fiber, was developed in 1935 by Wallace H. Carothers.
Wallace Carothers develops nylon, 1934; FDR opens 1939 World's Fair; Corporate
www.pbs.org /wgbh/aso/search_results.html?q=nylon   (213 words)

  
 [No title]
A team of researchers working under Wallace H. Carothers at E.I. du Pont de Nemours and Company invents a plastic that can be drawn into strong, silk-like fibers.
J.R. Oppenheimer, Arthur H. Compton, Enrico Fermi and Léo Szilard detonate the first atomic bomb at the Los Alamos Lab near Santa Fé, NM.
John H. Gibbon performs the first successful open heart surgery in which the blood is artificially circulated and oxygenated by a heart-lung machine.
www.pbs.org /wgbh/amex/technology/techtimeline/1930.html   (632 words)

  
 AllRefer.com - Wallace Hume Carothers (Chemistry, Biography) - Encyclopedia
Wallace Hume Carothers[kuruth´urz] Pronunciation Key, 1896–1937, American chemist, b.
He received his doctorate at the Univ. of Illinois in 1924, then taught organic chemistry there and at Harvard.
More articles from AllRefer Reference on Wallace Hume Carothers
reference.allrefer.com /encyclopedia/C/Carother.html   (220 words)

  
 The 20th Century   (Site not responding. Last check: 2007-10-02)
In 1935 a team of DuPont scientists led by Dr. Wallace H. Carothers developed the first wholly synthetic fiber: polyhexamethylene adipamide.
They dubbed it "nylon," and introduced it in a pair of women's stockings at the 1939 New York World's Fair and the Golden Gate Exhibition in San Francisco.
Nylon's success initiated a new era of synthetic materials that changed the fabric of the 20th century.
www.cnn.com /SPECIALS/1999/century/episodes/03/timelines/innovations/infoboxes/nylon.html   (89 words)

  
 tinius/applications   (Site not responding. Last check: 2007-10-02)
In 1909, Leo H. Baekeland, a Belgian-American chemist, developed phenol-formaldehyde, the first plastic made entirely from synthetic materials.
Although inventors John Wesley Hyatt and Leo H. Baekeland are legendary figures in the plastics industry, later innovators, and their inventions, deserve no less credit.
An American chemist, Wallace H. Carothers of the Du Pont Company, headed the group of researchers that discovered nylon in 1935.
www.tiniusolsen.com /ap-plastics.html   (3786 words)

  
 Nylon Stockings Online - Nylons and Lingerie
Lamentably the man who was responsible for inventing nylon (and nylons) did not live to see his endeavours come to full fruition.
But the millions of women who have worn nylon stockings would like to thank Dr Wallace H Carothers for his work on polymerisation.
Dr Carothers died in 1937, a year before Du Pont announced the advent of its new wonder material.
www.nylons.co.uk /nylon-stockings.htm   (359 words)

  
 Products   (Site not responding. Last check: 2007-10-02)
May 23, 1934 - Nylon was first produced by Dr. Wallace Carothers, a chemist at Du Pont.
February 16, 1937 - Wallace H. Carothers, a research chemist for DuPont, received a patent for nylon.
Enough for One Lifetime: Wallace Carothers, Inventor of Nylon.
www.kipnotes.com /Products.htm   (2860 words)

  
 [No title]
His students have attained important positions in the chemical industry and institutions of higher education and have made significant contributions to chemistry on their own.
Among the more notable were Wallace H. Carothers, the developer of nylon, Ernest H. Volwiler, the director of research for Abbott Laboratories, and Wallace R. Brode of the National Bureau of Standards.
Adams served as a consultant for several chemical companies - E. Du Pont and Abbott Laboratories in particular - and was on the board of directors of such research foundations as the Battelle Memorial Institute, the Alfred Sloan Fund, the Sloan-Kettering Institute for Cancer Research, the Robert Welch Foundation, and the Otto Haas Trust Fund.
web.library.uiuc.edu /ahx/ead/ua/1505023/1505023b.html   (742 words)

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