High Performance Polymers: Their Origin and Development: by H. Mark (auth.), Raymond B. Seymour, Gerald S. Kirshenbaum

By H. Mark (auth.), Raymond B. Seymour, Gerald S. Kirshenbaum (eds.)

According to Johann Wolfgang Von Goethe's (1740-1832) Mineralogy and Geology, "The historical past of technological know-how is science." A sesquicentennial later, one may perhaps country that the heritage of excessive functionality polymers is the technological know-how of those very important engineering polymers. the various inventors of those enhanced fabrics of development have stood at the thresholds of the hot and feature stated their studies (trials, tribulations and satisfactions) within the symposium and of their chapters during this publication. those that haven't permitted the historic procedure some time past, may still now realize the worth of the old point of view for learning new advancements, comparable to basic objective polymers and, to a better measure, the excessive functionality polymers. to place polymer technology into its right standpoint, its worthy recalling that traditionally, the a long time of civilization were named in response to the fabrics that ruled that interval. First there has been the Stone Age ultimately through the Tin, Bronze, Iron and metal a long time. this day many historians ponder us residing within the Age of Synthetics: Polymers, Fibers, Plastics, Elastomers, movies, Coatings, Adhesives, and so forth. it's also fascinating to notice that during the early 1980's, Lord Todd, then President of the Royal Society of Chemistry was once requested what has been chemistry's greatest contribution to society. He felt that regardless of the entire fantastic clinical advances, chemistry's largest contribution was once the advance of polymeri­ zation. Man's wisdom of polymer technology is so new that Professor Herman F.

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Extra resources for High Performance Polymers: Their Origin and Development: Proceedings of the Symposium on the History of High Performance Polymers at the American Chemical Society Meeting held in New York, April 15–18, 1986

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Monomer content in nylon 6 certainly increased impact strength, but it also caused plateout on chill-rolls and in molds. Because of increasing quality requirements extracted molding-grades were largely introduced about 1955. Due to their excellent wear resistance and selflubricating properties, nylons in general found wide use in bushings, bearings and gears. rocess involving solid-state condensation of the polymer [41J came on the market for extrusion of films, sheets, rods, tubes, pipes and cable sheathing.

1835 1839 1860's 1870 1894 1899 1901 1905 1909 1920 1923 1927 1928 Source: - Historical Perspective - 1928 Pelouze nitrated cellulose Goodyear vulcanized rubber Parkes, Hyatt, others - development of celluloid Hyatt, first practical process for celluloid Cross and Bevan - cellulose triacetate Kritsche and Spitteler - casein formaldehyde - Rohm studied polvacrvlates - Miles developed moldable cellulose diacetate - Baekeland made the first synthetic polymer, phenol formaldehyde resin - Staudinger supports long chain structure for polymers.

Schlack 1937/1938) Herbert Morawetz and Herman Mark, in a recent paper, arrive at the following appreciation of Schlack's achievement [16]: "Whereas Carothers' discovery of nylon 66 is an outstanding example of the vindication of a far-sighted policy of industrial research management, Schlack's achievement, arrived at as a hobby with the help of a single laboratory assistant, shows that success is possible even under adverse conditions for a determined researcher with a vision"_ PROCESS DEVELOPMENT Start-up The basic patent application was submitted on June 1 0, 1938, in Germany [17]_ The LG.

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