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Thiokol (thī´ōkôl), brand name for polysulfide polymer using a mercaptan bond. The basic ingredient of rubber-base impression materials. See also mercaptan.
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The book fast forwards to January 27, 1986, with the very unusual meeting between NASA SRB program managers and Morton Thiokol managers, concerning the topic of launching in cold temperatures and how the cold might have affected the performance of the O-rings in the Solid Rocket Booster field joints.
That company, Morton Thiokol, was eventually found to have made defective seals for the shuttle's booster rockets.
The subsequent investigation showed this was an accident that could have been avoided had Nasa heeded the warning from Roger Boisjoly, an engineer at one of its contracted companies, Morton Thiokol.
Other early TPU suppliers included Bayer (Texin), Uniroyal (Roylar), Upjohn (Pellethane, later acquired by Dow), and Thiokol.
Considerable debate concerning the decision took place on the eve of the launch when Morton Thiokol Inc.
NASA and Morton Thiokol, the contractor who made the O-rings, had noted problems in earlier flights.
A teleconference between Morton Thiokol engineers and NASA administrators on the preceding night failed, in part, because the engineers didn't target the audience, didn't understand the biases of the audience, and didn't create visuals that were clear and succinct in their message.
Keynote speaker Lt Col Russell Blame, commander of DCMA Thiokol, was greeted by Chapter President Christy Smittle, who thanked him for speaking to the group.
After the Challenger disaster killed seven more in January 1986, NASA engaged in a similar fracas with Morton Thiokol over the shuttle's leaky solid-rocket boosters.
But my record of not seeing Spiral Jetty, of seeing the things that surround it that aren't often mentioned in accounts of the Earthwork--the oil jetty, Golden Spike, the Thiokol propulsion plant, and the Tooele biochemical weapons depot--was not "mythology," or at least not in the limited (and decidedly un-Smithsonian) sense in which Loe intends the term.
He also has considerable experience in polymer synthesis and technology from Thiokol Chemical Corporation, Reaction Motors Division and U.
Parker supplies o-rings to the Thiokol Propulsion Division of Alliant Techsystems.